CN108195446B - A kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration method - Google Patents
A kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration method Download PDFInfo
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- CN108195446B CN108195446B CN201810132509.XA CN201810132509A CN108195446B CN 108195446 B CN108195446 B CN 108195446B CN 201810132509 A CN201810132509 A CN 201810132509A CN 108195446 B CN108195446 B CN 108195446B
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- water tank
- standard
- water
- scale
- valve
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Classifications
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- 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
Abstract
The invention discloses a kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration methods, calibrating installation includes: standard water tank, handle, water tank, test pipeline, electronic scale, picking-up vehicle, shell, steady flow pipe and standard scale etc., the left and right sides of the standard water tank are equipped with reinforcing rib, handle is installed on the reinforcing rib, the water tank is fitted with electronic scale, the external hose, steady flow pipe, standard scale, straight pipe afterwards, regulating valve, main valve, triple valve, hose and preceding straight pipe pressure resistance 25MPa, the steady flow pipe is honeycomb orifice type.Measurement is compared to checklist in such a way that method of standard table is in conjunction with weight method, using method of standard table in calibration method, using weight method to carrying out periodic calibration under the conditions of standard scale at the scene high pressure muddy water.The present invention solves the problems, such as that standard scale can not be carried out at the scene periodic calibration and can not carry out accurately detecting under site environment to tested oil field water meter.
Description
Technical field
The present invention relates to oil field water meter detection field, in particular to a kind of vehicle-mounted double water tank formula oil field water meter field calibration dress
It sets and calibration method.
Background technique
Water meter is measuring instrument important in DP technology, and at the scene such as water injection well in oil fields, pump house, dosage is big, it is wide to be distributed.
Currently, there is dismounting trouble because being sent to laboratory inspection, need that backing sheet replacement is taken otherwise to influence the problems such as oil field normally produces,
Perfect not enough to the calibration of oil field water meter, many water meters are in the state that do not examine for a long time.
Although the water flow calibrating installation in current laboratory, technology maturation, its is bulky, and since Oil Field is handed over
Gating condition is severe, can not also reach Oil Field and calibrate to by water gauge.There are individual enterprise developments can be at the scene at present
To the device that water meter measures, but the standard scale on its device is still needed to be sent to metrological services at different levels and be calibrated, due to metering
The conditions such as water quality and pressure when calibrating in department laboratory to standard scale can not simulate live high pressure, the condition of muddy water, number
According to accuracy there are problem, it cannot achieve and effectively trace to the source.It is therefore desirable to develop, a kind of measurement result is reliable, meets user demand
Oil field water meter field calibration device.
Summary of the invention
In order to achieve the above object, the present invention provides a kind of vehicle-mounted double water tank formula oil field water meter field calibration device and schools
Quasi- method, periodic calibration can not be carried out at the scene to standard scale by solving, and can not carry out site environment to tested oil field water meter
The problem of lower accurate detection.
The technical solution adopted by the present invention is that:
A kind of vehicle-mounted skid-mounted oilfield water meter field calibration device of double water tank formula, comprising: liquid level tube, standard water tank are reinforced
Muscle, handle, standard water tank drainpipe, stainless steel latch seat, and stainless steel latches, water tank, test pipeline, water tank drainpipe,
Standard water tank water inlet pipe, partition, concave plate, battery, instrument panel, electronic scale, hanging ring, peep hole, standard water tank inlet valve,
Back door, standard water tank go out water valve, and water tank goes out water valve, picking-up vehicle, front door, shell, external hose, steady flow pipe, fixed ring, standard
Table, rear straight pipe, regulating valve, main valve, triple valve, hose, pipeline is fixed and preceding straight pipe, the liquid level tube are mounted on standard
The upper surface of water tank, the left and right sides of the standard water tank are equipped with reinforcing rib, are equipped with handle on the reinforcing rib,
Standard water tank drainpipe is installed, the handle two sides are equipped with stainless steel lock seat, described behind the standard water tank
Stainless steel lock seat and stainless steel lock match clamping standard water tank, the stainless steel is latched and is fixed on water tank,
The water tank is fitted with electronic scale, and the standard water tank is equipped with behind the water tank above electronic scale
Water tank drainpipe is equipped with standard water tank water inlet pipe, the standard water tank water inlet pipe and test before the standard water tank
Pipeline is connected, and the test pipeline is fixed on partition by pipeline, is equipped with concave plate below the test pipeline,
The concave plate is equipped with battery on the shell by fixed below the concave plate, the partition upper left side is pacified
Equipped with instrument panel, the upper surface of outer cover four corners are equipped with hanging ring, and the upper surface of outer cover is provided with peep hole, described
Shell behind back door is housed, go out water valve equipped with standard water tank on the back door and water tank go out water valve, the standard water
Case goes out water valve and water tank goes out water valve and connect respectively with standard water tank drainpipe and water tank drainpipe, and the shell passes through solid
Determine ring to be fixed on picking-up vehicle, front door is housed before the shell, the standard water tank inlet valve passes through hose and threeway
Valve connection, triple valve one end are connect by pipeline with water tank, and triple valve one end is connect by pipeline with main valve, and main valve passes through pipe
Road is connect with regulating valve, and the regulating valve is connect by rear straight pipe with standard scale, the standard scale left side and preceding straight tube
Section be connected, the preceding straight pipe is connected by steady flow pipe with external hose, the main valve, regulating valve, rear straight pipe,
Standard scale and preceding straight pipe constitute the test pipeline.
As a preferred technical solution of the design, the external hose, steady flow pipe, standard scale, rear straight pipe,
Regulating valve, main valve, triple valve, hose and preceding straight pipe are resistance to MPa25 high pressures.
As a preferred technical solution of the design, the steady flow pipe is honeycomb orifice type, the standard scale
Water inlet water outlet need the unstability that preceding straight pipe and rear straight pipe reduce water flow, the steady flow pipe can be used as preceding straight tube
Section uses, and right side, which is connected by DN25 flanged joint with preceding straight pipe, to be used cooperatively.
As a preferred technical solution of the design, the present apparatus uses the detection of two water tank of standard water tank and water tank
Mode, water tank are when being detected using method of standard table to checklist, for storing the high pressure muddy water of discharge, standard water tank
It is that handle can be used and lift when using weight method periodic calibration standard scale, then cooperates electronic scale turbid to the high pressure at scene
Water carries out the calibration of density, and the standard water tank upper surface is ramped shaped, convenient for the bubble generated when access muddy water in cabinet
Discharge.
A kind of vehicle-mounted double water tank formula oil field water meter field calibration method, using above-mentioned apparatus, the present apparatus using weight method with
The mode that method of standard table combines measures checklist and standard scale in Oil Field, calibrates.Using method of standard table in oil
When field scene measures standard scale: checklist is connected by external hose with test pipeline, and high pressure muddy water flows through standard
After table, water tank is finally flowed by the road, by the cumulative flow magnitude Q of standard scale at this time2With checklist cumulative flow magnitude Q2Compared
It is right, carry out the calibration to checklist；When being calibrated using weight method to standard scale: first having to the close of the high pressure muddy water at scene
Degree is measured, and after electronic scale is packed under standard water tank, reads electronic scale initial value m0, high pressure muddy water pipeline stream after tested
Enter standard water tank, adjusting regulating valve makes standard scale reach common flow, when the liquid level of standard water tank reaches liquid level tube scale, closes
The injection of high pressure muddy water is closed, liquid level tube has a volume reading V at this timed, electronic scale has a quality readings md, and then can calculate
The density p of the high pressure muddy water at scene, empties standard water tank, repeats the above process again, the integrated flow for reading standard scale is initial
Value VB0, measure the indicating value m of electronic scale in the 1min time1With the integrated flow volume final value V of standard scaleB1, pass through (m1-m0)/ρ
Normal volume V can be obtained2, by (VB1-VB0) and V2It is compared, realizes the calibration to standard scale.And the electronic scale that the present apparatus uses
It all traces to the source with standard water tank to the standard set-up of metrological service, to all tracing to the source the result of checklist, standard scale to country
Benchmark guarantees the reliability of result.
The beneficial effects are mainly reflected as follows:
1. the present apparatus can be used the vehicle-mounted whole Transporting of pick up and be tested to scene, compared to what is used in current laboratory
For device, practicability is more extensive, and the whole pipeline of the present apparatus is high pressure resistant 25MPa design, complies fully with Oil Field survey
Pressure requirements needed for pipeline is set in trial assembly.
2. due to existing vehicle-mounted water meter field calibration device, standard scale is calibrated in laboratory environments, with
The muddy water water quality and high pressure condition at scene are inconsistent, and there are problem, the present apparatus directly to be taken using weight method for data accuracy
The high pressure muddy water at scene determines water density ρ value, and precision is high, returns laboratory without manual sampling and carries out survey to density
Examination, it is time saving and energy saving, after solving under the conditions of the room temperature clear water of laboratory to standard scale data calibration, standard scale high pressure on site
The problem of result inaccuracy brought by being measured under muddy water environment.
3. the present apparatus is at work, measurement is compared under high pressure muddy water environment to checklist using standard scale, is worked
It is high-efficient, while periodic calibration is carried out to standard scale using weight method under the conditions of live high pressure muddy water, it ensure that standard scale data
It is accurate and reliable.
Detailed description of the invention
Fig. 1 is strabismus internal structure chart of the invention；
Fig. 2 is side view appearance assumption diagram of the invention；
Fig. 3 is of the invention to face appearance assumption diagram；
Fig. 4 is checklist overhaul flow chart of the invention；
Fig. 5 is standard scale calibration flow chart of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
In order to be easy to understand technological means of the invention, creation characteristic, the purpose reached and effect, below with reference to
It is specifically illustrating, the present invention is further explained.It should be noted that in the absence of conflict, embodiment and reality in the application
Applying the feature in example can be combined with each other.
As shown in Figure 1 to Figure 3, a kind of vehicle-mounted double water tank formula oil field water meter field calibration device, comprising: liquid level tube 1, standard
Water tank 2, reinforcing rib 3, handle 4, standard water tank drainpipe 5, stainless steel latch seat 6, stainless steel lock 7, water tank 8, testing tube
Road 9, water tank drainpipe 10, standard water tank water inlet pipe 11, partition 12, concave plate 13, battery 14, instrument panel 15, electronics
Scale 16, hanging ring 17, peep hole 18, standard water tank inlet valve 19, back door 20, standard water tank go out water valve 21, and water tank goes out water valve 22,
Picking-up vehicle 23, front door 24, shell 25, external hose 26, steady flow pipe 27, fixed ring 28, standard scale 29, rear straight pipe 30 are adjusted
Valve 31, main valve 32, triple valve 33, hose 34, pipeline fix 35 and preceding straight pipe 36, and the liquid level tube 1 is mounted on standard water
The upper surface of case 2, the left and right sides of the standard water tank 2 are equipped with reinforcing rib 3, are equipped with handle on the reinforcing rib 3
Hand 4, standard water tank drainpipe 5 is equipped with behind the standard water tank 2, and 4 two sides of handle are equipped with stainless steel lock
Seat 6, the stainless steel lock seat 6 is matched with stainless steel lock 7 clamps standard water tank 2, and the stainless steel lock 7 is fixed
On water tank 8, the water tank 8 is fitted with electronic scale 16, and the standard water tank 2 is above electronic scale 16, institute
Water tank drainpipe 10 is housed behind the water tank 8 stated, standard water tank water inlet pipe 11, institute are housed before the standard water tank 2
The standard water tank water inlet pipe 11 stated is connected with test pipeline 9, and the test pipeline 9 fixes 35 by pipeline and is fixed on partition
On 12, concave plate 13 being installed below the test pipeline 9, the concave plate 13 is bolted on shell 25,
Battery 14 is installed, 12 upper left side of partition is equipped with instrument panel 15, and described is outer below the concave plate 13
25 upper surface four corners of shell are equipped with hanging ring 17, and 25 upper surface of shell is provided with peep hole 18, behind the shell 25
Equipped with back door 20, goes out water valve 21 equipped with standard water tank on the back door 20 and water tank goes out water valve 22, the standard water tank
Water valve 21 and water tank go out water valve 22 and connect respectively with standard water tank drainpipe 5 and water tank drainpipe 10 out, the shell
25 are fixed on picking-up vehicle 23 by fixed ring 28, and front door 24, the standard water tank water inlet are housed before the shell 25
Valve 19 is connect by hose 34 with triple valve 33, and 33 one end of triple valve is connect by pipeline with water tank 8, and 33 one end of triple valve is logical
It crosses pipeline to connect with main valve 32, main valve 32 is connect by pipeline with regulating valve 31, and the regulating valve 31 passes through rear straight pipe 30
It is connect with standard scale 29,29 left side of standard scale is connected with preceding straight pipe 36, and the preceding straight pipe 36 passes through current stabilization
Pipe 27 is connected with external hose 26, and the connection is DN25 flanged joint.
As a preferred technical solution of the design, the external hose 26, steady flow pipe 27, standard scale 29, after
Straight pipe 30, regulating valve 31, main valve 32, triple valve 33, hose 34 and preceding straight pipe 36 are resistance to 25MPa high pressures.
As a preferred technical solution of the design, the steady flow pipe 27 is honeycomb orifice type, the standard
The water inlet water outlet of table 29 needs preceding straight pipe 36 and rear straight pipe 30 reduces the unstability of water flow, and the steady flow pipe 27 can
It is used as preceding straight pipe 36, right side, which is connected by DN25 flanged joint with preceding straight pipe 36, to be used cooperatively.
As a preferred technical solution of the design, the present apparatus uses the inspection of 8 liang of water tanks of standard water tank 2 and water tank
Survey mode, water tank 8 are used, standard water tank 2 is being used when method of standard table detects checklist as storage high pressure muddy water
Handle 4 can be used when weight method to lift, 16 pairs of electronic scale live high pressure muddy waters is then cooperated to carry out the calibration of density, it is described
2 upper surface of standard water tank be ramped shaped, the bubble discharge generated convenient for the intracorporal liquid of case.
A kind of vehicle-mounted double water tank formula oil field water meter field calibration method, using such as above-mentioned apparatus, using weight method and standard
The mode that table method combines calibrates standard scale in Oil Field.
If Fig. 4 is to carry out oil to checklist using method of standard table using the overhaul flow chart for calibrating checklist when standard law
When the in-site measurement of field: checklist is connected by external hose 26 with test pipeline 9, after high pressure muddy water flows through standard scale 29, most
Water tank 8 is flowed by pipeline, by the cumulative flow magnitude Q of standard scale 29 at this time2With checklist cumulative flow magnitude Q1It is compared,
Carry out the calibration to checklist.
It is illustrated in figure 5 the overhaul flow chart using weight method calibration standard scale, standard scale 29 is carried out using weight method
When calibration: first having to be measured the density of the high pressure muddy water at scene, after electronic scale 16 is packed under standard water tank 2, read
Take 16 initial value m of electronic scale0, pipeline 9 flows into standard water tank 2 to high pressure muddy water after tested, and adjusting regulating valve 31 reaches standard scale 29
The injection of high pressure muddy water is closed, at this time liquid level tube 1 when the liquid level of standard water tank 2 reaches 1 scale of liquid level tube to common flow
Have a volume reading Vd, electronic scale 16 has a quality readings md, and then the density p of the high pressure muddy water at scene can be calculated, it empties
Standard water tank 2, repeats the above process again, reads the integrated flow initial value V of standard scale 29B0, measure electric in the 1min time
The indicating value m of sub- scale 161With the integrated flow volume final value V of standard scale 29B1, pass through (m1-m0)/ρ can obtain normal volume V2, will
(VB1-VB0) and V2It is compared, realizes the calibration to standard scale 29.And the electronic scale 16 and standard water tank 2 that the present apparatus uses are all
It traces to the source to the standard set-up of metrological service, to all tracing to the source the result of checklist, standard scale 29 to National primary standard, guarantees knot
The reliability of fruit.
According to the principle of weight method, distribution to uncertainty between 2 volume of standard water tank and electronic scale 16,
Using partial derivative method, m and ρ partial uncertainty index is found out, to meet the uncertainty index of V.
According to analyze come ρ uncertainty, then according to scene muddy water density p be to be determined according to above-mentioned method
, i.e. ρ=md/Vd, a partial derivative method is recycled, m is soughtd、VdUncertainty.Formula arrangement can be obtainedPoint
M, m are not found outd, VdInfluence of the three to whole uncertainty, by xiIt is caused to be measuredyStandard uncertainty component be
Combined standard uncertainty calculation formula is represented by
It can obtain the relations of distribution of uncertainty between 2 volume of standard water tank and electronic scale 16 respectively by above-mentioned calculating.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiments and description only illustrates original of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of vehicle-mounted double water tank formula oil field water meter field calibration device, comprising: liquid level tube (1), standard water tank (2), reinforcing rib
(3), handle (4), standard water tank drainpipe (5), stainless steel latch seat (6), and stainless steel latches (7), water tank (8), testing tube
Road (9), water tank drainpipe (10), standard water tank water inlet pipe (11), partition (12), concave plate (13), battery (14), instrument
Panel (15), electronic scale (16), hanging ring (17), peep hole (18), standard water tank inlet valve (19), back door (20), standard water tank
Water valve (21) out, water tank go out water valve (22), picking-up vehicle (23), front door (24), shell (25), external hose (26), steady flow pipe
(27), fixed ring (28), standard scale (29), rear straight pipe (30), regulating valve (31), main valve (32), triple valve (33), hose
(34), pipeline fixes (35) and preceding straight pipe (36), it is characterised in that: the liquid level tube (1) is mounted on standard water tank (2)
Upper surface, the left and right sides of the standard water tank (2) are equipped with reinforcing rib (3), and the reinforcing rib is equipped with handle on (3)
Hand (4), the standard water tank (2) are equipped with standard water tank drainpipe (5) below, and the handle (4) two sides are equipped with not
Become rusty steel lock seat (6), and stainless steel lock seat (6) is matched with stainless steel lock (7) clamps standard water tank (2), described
Stainless steel lock (7) be fixed on water tank (8), the water tank (8) is fitted with electronic scale (16), the standard
Above mounted in electronic scale (16), the water tank (8) is equipped with water tank drainpipe (10) below to water tank (2), the standard
Standard water tank water inlet pipe (11) are housed before water tank (2), the standard water tank water inlet pipe (11) is connected with test pipeline (9)
It connects, the test pipeline (9) is fixed (35) by pipeline and is fixed on partition (12), peace below the test pipeline (9)
Equipped with concave plate (13), the concave plate (13) is by being fixed on shell (25), installation below the concave plate (13)
Have battery (14), the partition (12) upper left side is equipped with instrument panel (15), the shell (25) upper surface quadrangle
Place is equipped with hanging ring (17), and the shell (25) upper surface is provided with peep hole (18), after the shell (25) is equipped with below
Door (20) goes out water valve (21) equipped with standard water tank on the back door (20) and water tank goes out water valve (22), the standard water
Case goes out water valve (21) and water tank goes out water valve (22) and connect respectively with standard water tank drainpipe (5) and water tank drainpipe (10),
The shell (25) is fixed on picking-up vehicle (23) by fixed ring (28), and front door is housed before the shell (25)
(24), the standard water tank inlet valve (19) is connect by hose (34) with triple valve (33), and triple valve (33) one end passes through
Pipeline is connect with water tank (8), and triple valve (33) other end connect by pipeline with main valve (32), main valve (32) pass through pipeline and
Regulating valve (31) connection, the regulating valve (31) on the right side of rear straight pipe (30) and standard scale (29) by connecting, the mark
It is connected on the left of quasi- table (29) with preceding straight pipe (36), the preceding straight pipe (36) passes through steady flow pipe (27) and external hose
(26) it is connected, the main valve (32), regulating valve (31), rear straight pipe (30), standard scale (29) and preceding straight pipe (36) structure
At the test pipeline (9).
2. a kind of vehicle-mounted double water tank formula oil field water meter field calibration device according to claim 1, it is characterised in that: described
External hose (26), steady flow pipe (27), standard scale (29), rear straight pipe (30), regulating valve (31), main valve (32), triple valve
(33), hose (34) and preceding straight pipe (36) are resistance to 25MPaHigh pressure.
3. a kind of vehicle-mounted double water tank formula oil field water meter field calibration device according to claim 1, it is characterised in that: described
Steady flow pipe (27) be honeycomb orifice type, the standard scale (29) water inlet water outlet need preceding straight pipe (36) and rear straight tube
Section (30) reduces the unstability of water flow, and the steady flow pipe (27) can be used as preceding straight pipe (36) use, can pass through DN25 method
Orchid connection is connected with preceding straight pipe (36) to be used cooperatively.
4. a kind of vehicle-mounted double water tank formula oil field water meter field calibration device according to claim 1, it is characterised in that: use
The detection mode of (8) two water tank of standard water tank (2) and water tank, water tank (8) are to be carried out using method of standard table to checklist
When detection, for storing the muddy water emitted after tested, standard water tank (2) uses handle (4) when using weight method
It is lifted, then cooperates electronic scale (16) to carry out the calibration of density to the high pressure muddy water at scene, and in Oil Field height
Periodic calibration under pressure, muddy water environment to standard scale, the standard water tank (2) upper surface are ramped shaped, convenient for note in cabinet
The bubble discharge generated when entering muddy water.
5. a kind of vehicle-mounted double water tank formula oil field water meter field calibration method, using device as described in claim 1, feature exists
In: checklist and standard scale measured in Oil Field in such a way that weight method is combined with method of standard table, calibrated；
Using method of standard table when Oil Field measures checklist: checklist passes through external hose (26) and test pipeline
(9) it is connected, after high pressure muddy water flows through standard scale (29), finally flows into water tank (8) by the road, it will standard scale (29) at this time
Cumulative flow magnitudeQ 2 With checklist cumulative flow magnitudeQ 1 It is compared, carries out the calibration to checklist；
When being calibrated using weight method to standard scale (29): it first has to be measured the density of the high pressure muddy water at scene, it will
After electronic scale (16) is packed under standard water tank (2), electronic scale (16) initial value is readm 0 , high pressure muddy water pipeline (9) after tested
It flows into standard water tank (2), adjusting regulating valve (31) makes standard scale (29) reach common flow, when the liquid level of standard water tank (2) arrives
When up to liquid level tube (1) scale, the injection of high pressure muddy water is closed, liquid level tube (1) has a volume reading at this timeV d , electronic scale (16)
There are a quality readingsm d , and then the density of the high pressure muddy water at scene can be calculatedρ, standard water tank (2) are emptied, are repeated again above-mentioned
Process reads the integrated flow initial value of standard scale (29)V B0 , measure the indicating value of electronic scale (16) in the 1min timem 1And mark
The integrated flow volume final value of quasi- table (29)V B1, by (m 1-m0)/ρNormal volume can be obtainedV 2, will (V B1-V B0 ) andV 2Compared
It is right, realize the calibration to standard scale (29)；The electronic scale (16) and standard water tank (2) is all traced to the source to the standard of metrological service
On device, to all tracing to the source the result of checklist, standard scale (29) to National primary standard, guarantee the reliability of result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132509.XA CN108195446B (en) | 2018-02-09 | 2018-02-09 | A kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132509.XA CN108195446B (en) | 2018-02-09 | 2018-02-09 | A kind of vehicle-mounted double water tank formula oil field water meter field calibration device and calibration method |
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| CN108195446A CN108195446A (en) | 2018-06-22 |
| CN108195446B true CN108195446B (en) | 2019-09-06 |
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|---|---|---|---|---|
| KR20100090373A (en) * | 2009-02-06 | 2010-08-16 | 임재영 | Movable apparatus for testing a tap water meter |
| CN202092741U (en) * | 2011-06-18 | 2011-12-28 | 新乡航空工业(集团)有限公司 | Vehicle-mounted liquid flow standard device |
| CN102680058A (en) * | 2012-05-18 | 2012-09-19 | 上海市计量测试技术研究院 | Movable liquid flux standard device adopting mass method |
| CN204666231U (en) * | 2015-05-12 | 2015-09-23 | 上海恩德斯豪斯自动化设备有限公司 | For support body and the water system of flowmeter calibrating installation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10317270B2 (en) * | 2013-04-15 | 2019-06-11 | Floyd Stanley Salser | Meter stabilizer |
-
2018
- 2018-02-09 CN CN201810132509.XA patent/CN108195446B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| KR20100090373A (en) * | 2009-02-06 | 2010-08-16 | 임재영 | Movable apparatus for testing a tap water meter |
| CN202092741U (en) * | 2011-06-18 | 2011-12-28 | 新乡航空工业(集团)有限公司 | Vehicle-mounted liquid flow standard device |
| CN102680058A (en) * | 2012-05-18 | 2012-09-19 | 上海市计量测试技术研究院 | Movable liquid flux standard device adopting mass method |
| CN204666231U (en) * | 2015-05-12 | 2015-09-23 | 上海恩德斯豪斯自动化设备有限公司 | For support body and the water system of flowmeter calibrating installation |
Non-Patent Citations (1)
| Title |
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| 液体流量现场校准装置的;信彦峰 等;《工业计量》;20141231;第24卷(第3期);第43-45页 |
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