CN206593728U - High precision in control fluid flowmeter on-line calibration device - Google Patents
High precision in control fluid flowmeter on-line calibration device Download PDFInfo
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- CN206593728U CN206593728U CN201621035606.XU CN201621035606U CN206593728U CN 206593728 U CN206593728 U CN 206593728U CN 201621035606 U CN201621035606 U CN 201621035606U CN 206593728 U CN206593728 U CN 206593728U
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Abstract
High precision in control fluid flowmeter on-line calibration device is related to a kind of calibration of fluid flowmeter, more particularly to the small micro-flowmeter instrument calibration of liquid a kind of device.Provided with for the High-precision standard measuring device as measurement standard；Three-way solenoid valve for controlling controlling flow direction；For the high-definition camera for recording tested flowmeter starting, terminating time point data on flows；Liquid level sensor for obtaining liquid level height；For realizing the LCD controller and signal data line that automatically control；For intaking, water outlet, the composition such as the connecting line of draining.
Description
Technical field
The present invention relates to a kind of dress of a kind of calibration of fluid flowmeter, more particularly to the small micro-flowmeter instrument calibration of liquid
Put.
Background technology
Fluid flowmeter, flow integrator（Hereinafter referred to as flowmeter）Belong to metrical instrument, be widely used in chemical industry, stone
The metering of the industry in terms of fluid flow such as oily, medical, food and bathroom, hot-water heating, fire-fighting equipment, the country is on liquid at present
The calibration of flowmeter mainly divides two ways：One is to disassemble the tested flowmeter for intending calibration to be sent to flowmeter calibrating and measuring
Calibrated in laboratory；Two be to be counted as, for calibration standard, being carried to scene to tested with high-precision ultrasonic liquid flow
Flowmeter carries out on-line checking calibration.The shortcoming of first way is exactly：1, return dress very after the dismounting and calibration of flowmeter are good
Trouble, is especially mounted to the small micro-flowmeter inside testing machine platform；2, more than one week is at least also wanted from dismounting censorship to fetching,
User will be unable to normally be produced in the meantime, test；3, because the calibrating and measuring laboratory equipment investment of flowmeter is high, field
Ground takes greatly, and the laboratory that can carry out flowmeter calibrating and measuring at present is seldom, and normally only metering institute above the provincial level just possesses, therefore
Censorship is very inconvenient.The shortcoming of the second way is：1, it is adapted to take the high-precision ultrasound as standard that calibration is gone at scene to
Low is 0.5 grade (one side of higher precision grade is expensive, is on the other hand also not suitable for operating at the scene), it is impossible to
0.5 grade of flowmeter that scene is widely used is calibrated；2, as standard ultrasonic flowmeter for mounting condition
And parameter sets etc. and to require very high, it is desirable to there is certain straight length and installing space, where must also accurately grasping tested flowmeter
The parameter such as the pipe diameter size of pipeline, wall thickness dimension, pipeline material, the material of back boxing and overcoat, otherwise all by measurement
The error of indication produces influence；3, in calibration process, calibration personnel need to read tested flowmeter simultaneously in the starting point of value and do
For the indicating value on the ultrasonic flowmeter of standard, operationally in the presence of certain difficulty, acquired data exist very big
Uncertainty error.
The content of the invention
Dismantle, send outside in order to overcome the existing mode of flow meter calibrating to need, waiting, installing or to environmental requirement is high, error is big,
Inconvenient the shortcomings of, the invention provides it is a kind of can automatically control, exempt from dismounting, can on-line checking high precision flow calibration cartridge
Put.
The present invention is provided with High-precision standard measuring device, three-way solenoid valve, high-definition camera, liquid level sensor, liquid crystal display control
Device processed, it is characterized in that：Provided with High-precision standard measuring device as measurement and calibration Main Regulator, high-definition camera is precisely recorded and tested
Begin and end time point related data, electromagnetic cross valve control liquid flow direction, liquid level sensor control testing time, liquid crystal display
Controller realizes time record and the programme-control of test process.
The present invention, which is provided with, is used for the High-precision standard measuring device as measurement standard（Exemplified by second-class, its maximum tolerance is not
More than 0.25ml）；Three-way solenoid valve for controlling controlling flow direction；For recording tested flowmeter starting, terminating at the time of point
The high-definition camera of data on flows；Liquid level sensor for obtaining liquid level height；For realizing the liquid crystal automatically controlled
Display controller and signal data line；For the composition such as liquid influent, water outlet, pipeline of draining.
The present invention solves the concrete technical scheme that is used of its technical problem：The water side of tested flowmeter liquid line
Be connected by the water inlet pipe of the present apparatus with the water inlet of three-way solenoid valve, High-precision standard measuring device by the outlet pipe of the present apparatus with
The delivery port of three-way magnetic valve is connected, and connecting a drainpipe from the discharge outlet of three-way solenoid valve leads to tested flowmeter in-situ
Back pool；The inductive head of liquid level sensor is installed in High-precision standard measuring device, is connected by signal wire and LCD controller
Connect；The data display screen of the tested flowmeter of high-definition camera alignment is simultaneously brought into focus, by data wire directly with liquid crystal display control
Device connection processed.So, the liquid that tested flowmeter is flowed through under non-detection status is all flowed by the drainpipe of three-way solenoid valve
Enter back pool.When detecting that work starts, start the start button of LCD controller, high-definition camera takes the moment quilt
The display data during test starting of flowmeter is examined, while three-way solenoid valve closes discharge outlet, delivery port is opened, passes through liquid
Outlet pipe is all flowed into High-precision standard measuring device, and at this moment the liquid level in High-precision standard measuring device is gradually increasing, when high-precision scale
When liquid level in quasi- measuring device rises to the inductive head for touching liquid level sensor, LCD controller starts conclusion button, high definition
Video camera takes the moment and is detected shown data at the end of the test of flowmeter, while three-way solenoid valve closes delivery port,
Discharge outlet is opened, liquid is all flowed into back pool by drainpipe.Liquid shown on High-precision standard measuring device is read afterwards
Body volume reads data on flows when the tested flowmeter on two photos is terminated and originated, with reference to liquid crystal as standard indicating value
The beginning and ending time interval recorded on display controller carries out data processing and can be obtained by the calibration number for being accurately detected flowmeter
According to.
The beneficial effects of the invention are as follows the high precision in control on-line calibration for realizing fluid flowmeter.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram when embodiment of the present invention is introduced into detection working condition.
Fig. 2 is the schematic diagram when embodiment of the present invention enters detection working condition.
Embodiment
In Fig. 1, the liquid of tested flowmeter 3 is flowed through from water inlet pipe 4 after three-way solenoid valve 5, from the whole stream of drainpipe 7
Enter the back pool at scene.Press this calibrating installation after the start button on LCD controller 1 and start detection start program, it is high
Clear video camera 2 takes the test initial flow data of its display of this moment, now, electromagnetic three-way against tested flowmeter 3
The discharge outlet of valve 5 is closed, delivery port is opened, and liquid is all flowed into High-precision standard measuring device 9 by outlet pipe 6, such as Fig. 2 institutes
Show.When the liquid level in High-precision standard measuring device 9 rises to the inductive head for touching liquid level sensor 8, LCD controller 1 is opened
Dynamic detection end program, the test that high-definition camera 2 takes its display of this moment against tested flowmeter 3 terminates flow number
According to now, the delivery port closing of three-way solenoid valve 5, discharge outlet are opened, and liquid passes through drainpipe 7 and all flowed into back pools.It
Liquid capacity shown on High-precision standard measuring device 9 is read afterwards as standard indicating value, reads the tested flow on two photos
Meter terminate and originate when data on flows, with reference to shown on LCD controller 1 beginning and ending time interval after data processing
It is used as the indicating value of tested flowmeter, it is possible to be accurately detected the calibration data of flowmeter.
Claims (6)
1. high precision in control fluid flowmeter on-line calibration device, provided with High-precision standard measuring device, three-way solenoid valve, high definition
Video camera, liquid level sensor, LCD controller, it is characterized in that：Measurement and calibration principal mark is used as provided with High-precision standard measuring device
Quasi- device, is connected to the delivery port of magnetic valve, and high-definition camera is connected by data wire with LCD controller, and precisely record is surveyed
Examination starting is detected the related data of flowmeter with end time point, is connected to before tested flowmeter rear end, High-precision standard measuring device
The electromagnetic cross valve control liquid flow direction at end, is installed on the liquid level sensor inside High-precision standard measuring device and passes through signal wire and liquid
Brilliant display controller is connected, and realizes the control to the testing time, and LCD controller realizes the time record of test process
With the programme-control to high-definition camera, three-way solenoid valve.
2. high precision in control fluid flowmeter on-line calibration device according to claim 1, it is characterized in that：Using height
Accuracy standard measuring device is used as the Main Regulator of measurement and calibration, flexibly configurable phase different according to the model specification of tested flowmeter
The model specification standard measuring device of adaptation.
3. high precision in control fluid flowmeter on-line calibration device according to claim 1, it is characterized in that：High definition is taken the photograph
The control line of camera is connected with LCD controller, can precisely shoot tested flowmeter and be originated in test with the end of on panel
The photo of shown data, realizes the accurate recording of test data.
4. high precision in control fluid flowmeter on-line calibration device according to claim 1, it is characterized in that：Electromagnetism three
Port valve can complete the control flowed in test process to liquid under the programme-control of LCD controller.
5. high precision in control fluid flowmeter on-line calibration device according to claim 1, it is characterized in that：Pass through liquid
Level sensor obtains signal and feeds back to LCD controller, realizes the control to the testing time.
6. high precision in control fluid flowmeter on-line calibration device according to claim 1, it is characterized in that：Liquid crystal
Show that controller internal memory contains the flowmeter calibration test program woven, the automatic of flowmeter calibration process is realized by program
Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035606.XU CN206593728U (en) | 2016-08-26 | 2016-08-26 | High precision in control fluid flowmeter on-line calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035606.XU CN206593728U (en) | 2016-08-26 | 2016-08-26 | High precision in control fluid flowmeter on-line calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206593728U true CN206593728U (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621035606.XU Expired - Fee Related CN206593728U (en) | 2016-08-26 | 2016-08-26 | High precision in control fluid flowmeter on-line calibration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782417A (en) * | 2016-08-26 | 2018-03-09 | 厦门精量校准检测技术有限公司 | High precision in control fluid flowmeter (instrument) on-line calibration device |
| CN110346019A (en) * | 2019-08-01 | 2019-10-18 | 郑州拽亘电子科技有限公司 | A kind of water ga(u)ge calibration method of building element testing machine |
-
2016
- 2016-08-26 CN CN201621035606.XU patent/CN206593728U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782417A (en) * | 2016-08-26 | 2018-03-09 | 厦门精量校准检测技术有限公司 | High precision in control fluid flowmeter (instrument) on-line calibration device |
| CN110346019A (en) * | 2019-08-01 | 2019-10-18 | 郑州拽亘电子科技有限公司 | A kind of water ga(u)ge calibration method of building element testing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180826 |