CN203083671U - Third-class metal meter calibrating device for calibrating neck scale division by volume measurement method - Google Patents
Third-class metal meter calibrating device for calibrating neck scale division by volume measurement method Download PDFInfo
- Publication number
- CN203083671U CN203083671U CN 201320107624 CN201320107624U CN203083671U CN 203083671 U CN203083671 U CN 203083671U CN 201320107624 CN201320107624 CN 201320107624 CN 201320107624 U CN201320107624 U CN 201320107624U CN 203083671 U CN203083671 U CN 203083671U
- Authority
- CN
- China
- Prior art keywords
- water
- solenoid valve
- mozzle
- calibrating
- water pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a third-class metal meter calibrating device for calibrating neck scale division by a volume measurement method. The device is characterized in that a water inlet pipe leads to a first water storage pond via a first drain pipe and leads to a water storage tank via a second drain pipe; a first solenoid valve is connected on the water inlet pipe in series; a first water pump and a second solenoid valve are connected on the first drain pipe in series; a water outlet formed in the tank wall close to the bottom of the water storage tank leads to a ponding chamber via a first flow guide pipe and a measurement neck; a third solenoid valve, a second water pump and a flowmeter are connected on the first flow guide pipe in series; a liquid level controller for controlling operations of the first solenoid valve, the second solenoid valve, the third solenoid valve, the first water pump and the second water pump is fixedly installed on the water storage tank; a levelling foot frame is arranged on a measurement scale; and the measurement scale is used for determining the quality of water for calibration filled into the ponding chamber of a volume gauge to be calibrated fixedly installed on the levelling foot frame via the first flow guide pipe. The device has high degree of automation and low labor intensity, guarantees reliability and safety of measurement and calibration, reduces the measurement and calibration costs and improves the precision quality of measurement and calibration.
Description
Technical field
The utility model relates to measurement technology, belongs to volume measurer calibration equipment, and particularly capacity is weighed the third-class metal tank calibrating installation that method neck degree calibration is demarcated.
Background technology
The capacity of third-class metal tank (claiming work measuring instrument again) is to locate with the meniscus minimum point of the water in the glass tube of its metering neck connection, correct setting method is to make this minimum point tangent with the upper limb level of Liquid level scale scale mark, when promptly observing height of water level, observer's sight line must be in same surface level with scale mark upper limb and meniscus minimum point.After the nominal capacity calibrating is finished, need demarcate the neck degree scale division value of work measuring instrument, classic methods is to measure the calibration volume that is belonged to measuring device metering neck by assay bar with the normal glass measuring device.According to capacity measuring instrument verification system table and standard capacity measure vertification regulation, third-class standard measuring device nominal volume is by the relative method calibrating by measure of second-class standard measuring device.The capacity relative method is to utilize orthobaric volume to contrast the method for a kind of direct metering of other workload volume, and its feature is simple to operate, but labor intensive, material resources.Classical metering neck calibration volume calibration method is: at first, the normal glass measuring device of selection respective volume also injects liquid calibrating medium and makes liquid calibrating medium liquid level concordant with the nominal volume groove, secondly, belonged to measuring device to a groove position with the injection of liquid calibrating medium by assay bar, water in the normal glass measuring device is injected metal tank metering neck, read by assay bar and belong to measuring device liquid level b, at last, according to the ratio of the capability value of normal glass measuring device and a, b difference, can obtain the neck degree scale division value of tested metal tank.At present, in the domestic related experiment chamber, still adopt artificial means to realize to work measuring instrument neck degree scale division value, operating process is loaded down with trivial details, difficulty, intensity are bigger, especially must inject liquid calibrating medium and make liquid calibrating medium liquid level concordant toward the normal glass measuring device repeatedly, need manual intervention, poor controllability with groove.
The utility model content
The purpose of this utility model is to provide a kind of capacity to weigh the third-class metal tank calibrating installation that method neck degree calibration is demarcated, the automaticity height, labour intensity is low, ensures reliability, the security of measurement verification, reduce the measurement verification cost, improve the precision quality of measurement verification.
The purpose of this utility model is achieved in that the third-class metal tank calibrating installation that a kind of capacity measurement method neck degree calibration is demarcated, comprise water inlet pipe, first solenoid valve, first drain tube, first water pump, second solenoid valve, be used to take in first tank of the liquid of discharging by volumometer measuring device to be checked, second drain tube, reserve tank, fluid level controller, the 3rd solenoid valve, second water pump, flowmeter, first mozzle, the leveling foot rest that is used for leveling volumometer measuring device to be checked, second mozzle, be used to take in second tank and the weigher of the liquid of discharging by volumometer measuring device to be checked, water inlet pipe passes to first tank and feeds reserve tank by second drain tube by first drain tube, on water inlet pipe, be connected in series first solenoid valve that is used to allow or stops the water that is positioned at water inlet pipe to flow along water inlet pipe, being connected in series first water pump that is used for the water current drainage is gone out first drain tube on first drain tube allows or stops the water that is positioned at first drain tube along the second mobile solenoid valve of first drain tube with being used to, the water delivering orifice that is provided with on the tank wall of reserve tank near its bottom is communicated with first mozzle, on first mozzle, be connected in series the 3rd solenoid valve that is used to allow or stops the water that is positioned at first mozzle to flow along first mozzle, the water current drainage that is used for being positioned at first mozzle is gone into second water pump in volumometer measuring device tube to be checked chamber and is used for measurement flow through the calibrating of first mozzle flowmeter with discharge, on reserve tank, installing and be used to control first solenoid valve, second solenoid valve, the 3rd solenoid valve, the fluid level controller of first water pump and second pump working, the leveling foot rest is arranged on the weigher, and weigher is used to measure the quality that pours into the indoor calibrating water of the volumometer measuring device ponding to be checked that is packed on the leveling foot rest through first mozzle.
Key components of the present utility model are the 3rd mozzle, the 3rd water pump (micro pump) and the 5th solenoid valve, on the 3rd mozzle, be equipped with the 3rd water pump and the 5th solenoid valve, the 3rd mozzle extends the bottom in the liquid level charactron, its head end that stretches in the liquid level charactron of the 3rd mozzle is fitted with cored screw by screw thread, therefore, the head end of the 3rd mozzle is scalable variation.
The utility model work measuring instrument to be checked (volumometer measuring device to be checked) directly is placed on the high precision scale (weigher), utilize levelling shoe leveling work measuring instrument to get final product, as standard, the calibrating of employing capacity measurement method is by the nominal volume value of calibrating work measuring instrument with the high precision scale.Use method of the present utility model different with the calibration method of existing third-class metal tank neck degree calibration, the accumulative total value that configures according to flowmeter, open the 3rd solenoid valve, second water pump, to examine and determine water and inject work measuring instrument to be checked through second mozzle, examine and determine medium value and first, last liquid level difference according to the liquid that is injected into that the high precision scale is reappeared, in addition enclosure temperature and density factor modified value just can directly calculate the neck degree scale division value and the nominal volume value of tested work measuring instrument.
The utility model is effective and reasonable to have solved technical matterss such as the big and human factor dependence of existing calibrating installation labour intensity is strong, can not influence the precise and high efficiency output of verification result value.Evidence, it compared with prior art, primary standard device number reduces, the magnitude tracing of primary standard device is fairly simple, but on-site proving; Inject liquid calibrating medium other twice, can once calculate by the nominal volume value and the neck scale division value of calibrating work measuring instrument, simple in structure, the calibration accuracy height, good reproducibility, easy to operate, be applicable to 100～20000 liters of calibrating standard capacity measures.Technological merit of the present utility model is: 1. employing capacity measurement method realizes the calibrating to third-class metal tank, and the primary standard device is the high precision scale, and magnitude tracing is easy; 2. actual calibrating Job Operations is simple, and the uncertainty contribution factor is less; 3. with high precision scale and the effective combination of flowmeter, when finishing tested work measuring instrument neck scale division value, also can calculate tested work measuring instrument nominal volume value, when guaranteeing accurate measurement, realize simply, working specification efficiently.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the syndeton synoptic diagram of the utility model work;
Fig. 2 is a local structure for amplifying synoptic diagram of the present utility model.
Embodiment
A kind of capacity is weighed the third-class metal tank calibrating installation that method neck degree calibration is demarcated, as Fig. 1, shown in Figure 2, comprise water inlet pipe, first solenoid valve 19, first drain tube, first water pump 16, second solenoid valve 15, be used to take in first tank 14 of the liquid of discharging by volumometer measuring device to be checked, second drain tube, reserve tank 20, fluid level controller 21, the 3rd solenoid valve 18, second water pump 17, flowmeter 2, first mozzle, the leveling foot rest 11 that is used for leveling volumometer measuring device to be checked, second mozzle, be used to take in second tank 13 and the weigher 12 of the liquid of discharging by volumometer measuring device to be checked, water inlet pipe passes to first tank 14 and feeds reserve tank 20 by second drain tube by first drain tube, on water inlet pipe, be connected in series first solenoid valve 19 that is used to allow or stops the water that is positioned at water inlet pipe to flow along water inlet pipe, being connected in series first water pump 16 that is used for the water current drainage is gone out first drain tube on first drain tube allows or stops the water that is positioned at first drain tube along the second mobile solenoid valve 15 of first drain tube with being used to, the water delivering orifice that is provided with on the tank wall of reserve tank 20 near its bottom is communicated with first mozzle, on first mozzle, be connected in series the 3rd solenoid valve 18 that is used to allow or stops the water that is positioned at first mozzle to flow along first mozzle, the water current drainage that is used for being positioned at first mozzle is gone into second water pump 17 in volumometer measuring device tube to be checked chamber and is used for measurement flow through the calibrating of first mozzle flowmeter 2 with discharge, on reserve tank 20, installing and be used to control first solenoid valve 19, second solenoid valve 15, the 3rd solenoid valve 18, the fluid level controller 21 of first water pump 16 and 17 work of second water pump, leveling foot rest 11 is arranged on the weigher 12, and weigher 12 is used to measure the quality that pours into the indoor calibrating water of the volumometer measuring device ponding to be checked that is packed on the leveling foot rest 11 through first mozzle.
Volumometer measuring device to be checked is by metering neck 1, liquid level charactron 3, level gauge scale 5, reading vernier 4, taper top shell 6, column tube 7, level 8 and taper drain pan 9, taper top shell 6 is fixedly sealed an end nozzle of column tube 7 and taper drain pan 9 is sealed the other end nozzle and the taper top shell 6 of column tube 7, taper drain pan 9 its tips that have separately all are positioned at outside the column tube 7 so that taper top shell 6, column tube 7 and the taper drain pan 9 common two ends that form all are taper and inner constant volume container with sealing ponding chamber, metering neck 1 is section shape and be packed on the taper top shell 6 and the water delivering orifice of metering neck 1 bottom is communicated with the ponding chamber through the inflow port that the tip that taper top shell 6 has is provided with linearly, on constant volume shell of tank wall, also installing liquid level charactron 3 that is communicated with the ponding chamber and level gauge scale 5 with volumetric metering scale mark, reciprocatingly slide or be fixed on reading vernier 4 on the level gauge scale 5 by the threaded fastener that carried being installed with on the level gauge scale 5 along level gauge scale 5 length directions, reading vernier 4 is used for being fixed with corresponding indication volumetric metering scale mark by threaded fastener when concordant when it rises to liquid level also finally static liquid level charactron 3 in long-pending full ponding chamber; When calibrating volumometer measuring device to be checked, the head piece that goes out of volumometer measuring device to be checked is communicated with second mozzle, on second mozzle, be connected in series and be used to allow or stop the water that is positioned at the ponding chamber to flow through the 4th solenoid valve 10 of second mozzle, volumometer measuring device to be checked is before by calibrating, be packed on the leveling foot rest 11, installing level 8, the four solenoid valves 10 on the constant volume container is worked by fluid level controller 21 controls.
As Fig. 1, shown in Figure 2, key operation step of the present utility model is: before the calibrating, first mozzle is fed the ponding chamber of volumometer measuring device to be checked through metering neck 1, open running water pipe, in reserve tank 20, pump into enough calibrating waters, open the 3rd solenoid valve 18, close the 4th solenoid valve 10, open second water pump 17, inject the calibrating water and make calibrating water liquid level finally rise to the A1-A2 plane to waiting the ponding chamber of examining and determine the work metal tank, close second water pump 17, with the level gauge scale 5 record A1-A2 pairing volumetric metering scale marks in plane (volumetric values), set flowmeter 2 integrated flow values, open second water pump 17 once more, to waiting that examining and determine the work metal tank injects the calibrating water and make calibrating water liquid level finally rise to the B1-B2 plane, close second water pump 17 once more, close the 3rd solenoid valve 18, with the level gauge scale 5 record pairing volumetric metering scale marks of B1-B2 (volumetric values), the preparation values of flowmeter accumulative total 2 accumulative totals that reappeared according to weigher 12 and with the difference of twice volumetric metering scale reading, calculate the neck degree scale division value and the nominal volume value of volumometer measuring device to be checked, record data, the output verification result is finished the calibration operation of a nominal volume value.
Claims (1)
1. a capacity is weighed the third-class metal tank calibrating installation that method neck degree calibration is demarcated,
It is characterized in that:Comprise water inlet pipe, first solenoid valve (19), first drain tube, first water pump (16), second solenoid valve (15), be used to take in first tank (14) of the liquid of discharging by volumometer measuring device to be checked, second drain tube, reserve tank (20), fluid level controller (21), the 3rd solenoid valve (18), second water pump (17), flowmeter (2), first mozzle, the leveling foot rest (11) that is used for leveling volumometer measuring device to be checked, second mozzle, be used to take in second tank (13) and the weigher (12) of the liquid of discharging by volumometer measuring device to be checked, water inlet pipe passes to first tank (14) and feeds reserve tank (20) by second drain tube by first drain tube, on water inlet pipe, be connected in series first solenoid valve (19) that is used to allow or stops the water that is positioned at water inlet pipe to flow along water inlet pipe, on first drain tube, be connected in series second solenoid valve (15) that is used for that the water current drainage gone out first water pump (16) of first drain tube and is used to allow or stops the water that is positioned at first drain tube to flow along first drain tube, the water delivering orifice that is provided with on the tank wall of reserve tank (20) near its bottom is communicated with first mozzle, on first mozzle, be connected in series the 3rd solenoid valve (18) that is used to allow or stops the water that is positioned at first mozzle to flow along first mozzle, the water current drainage that is used for being positioned at first mozzle is gone into second water pump (17) in volumometer measuring device tube to be checked chamber and is used for measurement flow through the calibrating of first mozzle flowmeter (2) with discharge, on reserve tank (20), installing and be used to control first solenoid valve (19), second solenoid valve (15), the 3rd solenoid valve (18), the fluid level controller (21) of first water pump (16) and second water pump (17) work, leveling foot rest (11) is arranged on the weigher (12), and weigher (12) is used for measuring the quality that pours into the indoor calibrating water of the volumometer measuring device ponding to be checked that is packed on the leveling foot rest (11) through first mozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107624 CN203083671U (en) | 2013-03-08 | 2013-03-08 | Third-class metal meter calibrating device for calibrating neck scale division by volume measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107624 CN203083671U (en) | 2013-03-08 | 2013-03-08 | Third-class metal meter calibrating device for calibrating neck scale division by volume measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083671U true CN203083671U (en) | 2013-07-24 |
Family
ID=48829496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320107624 Expired - Fee Related CN203083671U (en) | 2013-03-08 | 2013-03-08 | Third-class metal meter calibrating device for calibrating neck scale division by volume measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083671U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702784A (en) * | 2017-11-01 | 2018-02-16 | 平顶山市质量技术监督检验测试中心 | A kind of portable quality stabilising arrangement |
| CN111879377A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Standard metal measuring device capacity calibration result compensation method considering bubble discharge capacity |
| CN111879378A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Method for calculating amount of media injected into standard metal measuring device at different heights |
| CN113514120A (en) * | 2021-05-28 | 2021-10-19 | 新疆维吾尔自治区计量测试研究院 | Flexible detection system and detection method for capacity measurement method of metal measuring device |
| CN113514122A (en) * | 2021-05-28 | 2021-10-19 | 新疆维吾尔自治区计量测试研究院 | Metal measuring device capacity comparison method and measuring method verification system |
| RU213522U1 (en) * | 2021-12-28 | 2022-09-14 | Общество с ограниченной ответственностью "Газпром трансгаз Сургут" | Stand for calibration of level gauges |
-
2013
- 2013-03-08 CN CN 201320107624 patent/CN203083671U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702784A (en) * | 2017-11-01 | 2018-02-16 | 平顶山市质量技术监督检验测试中心 | A kind of portable quality stabilising arrangement |
| CN111879377A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Standard metal measuring device capacity calibration result compensation method considering bubble discharge capacity |
| CN111879378A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Method for calculating amount of media injected into standard metal measuring device at different heights |
| CN111879378B (en) * | 2020-07-24 | 2022-03-25 | 广州能源检测研究院 | Method for calculating amount of media injected into standard metal measuring device at different heights |
| CN113514120A (en) * | 2021-05-28 | 2021-10-19 | 新疆维吾尔自治区计量测试研究院 | Flexible detection system and detection method for capacity measurement method of metal measuring device |
| CN113514122A (en) * | 2021-05-28 | 2021-10-19 | 新疆维吾尔自治区计量测试研究院 | Metal measuring device capacity comparison method and measuring method verification system |
| CN113514122B (en) * | 2021-05-28 | 2024-04-26 | 新疆维吾尔自治区计量测试研究院 | Capacity comparison method and measuring method verification system for metal gauge |
| RU213522U1 (en) * | 2021-12-28 | 2022-09-14 | Общество с ограниченной ответственностью "Газпром трансгаз Сургут" | Stand for calibration of level gauges |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203083670U (en) | System for calibrating scale division volume of measurement neck of third-class metal meter by mass density method | |
| CN203083671U (en) | Third-class metal meter calibrating device for calibrating neck scale division by volume measurement method | |
| CN105651351B (en) | A kind of burette type gas flow surveying instrument and method based on weighing principle | |
| RU170327U1 (en) | Installation for calibration, verification and control of metrological characteristics of flow densitometers of oil and oil products | |
| CN109060631B (en) | A kind of varying head permeability coefficient measuring system and measurement method | |
| CN102183284A (en) | Liquid flow standard calibration device | |
| CN203083673U (en) | Third-order metal measuring instrument calibrating device capable of finely adjusting and locating liquid level by using communicating vessel method | |
| CN201983839U (en) | Combined-type standard weighing container used for liquid flow standard calibrating device | |
| CN202057396U (en) | Standard liquid flow calibration device | |
| CN102252736B (en) | Constant-pressure liquid source device containing overflow groove in pressure container | |
| CN206618662U (en) | Novel experimental simulating test device | |
| CN203231778U (en) | Liquid mass flow measurement device | |
| CN210689730U (en) | Flow testing device | |
| CN211060976U (en) | Discontinuous type medicament flow measuring device | |
| CN108507648A (en) | Continuous weighing metering device | |
| CN208383646U (en) | A kind of solution density on-line measuring device | |
| CN203083672U (en) | Diversion type third-order metal measuring instrument calibrating device capable of automatically locating liquid level | |
| CN104501893A (en) | Wide-range high-precision automatic runoff yield measurement system | |
| CN204730917U (en) | Dual flow calibration weighing system | |
| RU2393439C1 (en) | Method of calibrating reservoirs | |
| CN104215540A (en) | Tipping bucket type crude oil water content online monitoring device and online measuring method | |
| RU59715U1 (en) | OIL, GAS AND WATER WELL PRODUCT METER | |
| CN210269549U (en) | Building material steady state water permeability coefficient tester | |
| CN220084140U (en) | Flowmeter calibrating device | |
| CN2581956Y (en) | Weighing meter for continuously reducing liquid material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20150308 |
|
| EXPY | Termination of patent right or utility model |