CN114061708A - High-precision automatic control liquid flowmeter (instrument) on-line calibration device - Google Patents
High-precision automatic control liquid flowmeter (instrument) on-line calibration device Download PDFInfo
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- CN114061708A CN114061708A CN202111283573.6A CN202111283573A CN114061708A CN 114061708 A CN114061708 A CN 114061708A CN 202111283573 A CN202111283573 A CN 202111283573A CN 114061708 A CN114061708 A CN 114061708A
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- automatic control
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- flowmeter
- control liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
Abstract
The invention belongs to the technical field of liquid flowmeter calibration, and discloses a high-precision automatic control liquid flowmeter (instrument) online calibration device.A control box is installed on a support frame, and a display screen and control keys are embedded on the upper side of the control box; a water storage tank is arranged on the support frame, and a second electromagnetic valve is arranged at the lower end of the water storage tank; the upper end of the water storage tank is provided with a storage tank opening, the upper end of the storage tank opening is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe is provided with a first electromagnetic valve; the outlet pipe is provided with a calibrated flowmeter and a calibrated flowmeter; the inside liquid velocity of flow collection module that is provided with of calibrated flow meter, liquid velocity of flow collection module are connected with the inside central processing module of control box, and central processing module passes through communication module and is connected with the cloud ware.
Description
Technical Field
The invention belongs to the technical field of liquid flowmeter calibration, and particularly relates to a high-precision automatic control liquid flowmeter (instrument) online calibration device.
Background
At present, with the continuous development of the technology, the measuring instrument is also continuously updated and repeated, the liquid flowmeter appears in the public visual field in recent years, and the optical flooding is applied to the mechanical manufacturing aspect due to the accurate measuring level. However, since the calibration technology of the liquid flowmeter is backward, the domestic calibration of the liquid flowmeter is mainly divided into two ways: firstly, a flowmeter needing to be calibrated is disassembled and sent to a flowmeter calibration laboratory for calibration; and secondly, the ultrasonic wave is used for carrying out on-line detection and calibration on the flowmeter on site. However, in the prior art, calibration is performed manually, which reduces the accuracy of detection and calibration.
Through the above analysis, the problems and defects of the prior art are as follows: in the prior art, calibration is carried out manually, so that the accuracy of detection and calibration is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a high-precision automatic control liquid flowmeter (instrument) online calibration device.
The invention is realized in this way, a high-precision automatic control liquid flowmeter (instrument) online calibration device, which is provided with a support frame; a control box is arranged on the supporting frame, and a display screen and control keys are embedded on the upper side of the control box;
a water storage tank is arranged on the support frame, and a second electromagnetic valve is arranged at the lower end of the water storage tank;
the upper end of the water storage tank is provided with a storage tank opening, the upper end of the storage tank opening is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe is provided with a first electromagnetic valve;
the outlet pipe is provided with a calibrated flowmeter and a calibrated flowmeter;
the inside liquid velocity of flow collection module that is provided with of calibrated flow meter, liquid velocity of flow collection module are connected with the inside central processing module of control box, and central processing module passes through communication module and is connected with the cloud ware.
Further, the support frame is provided with the base, and the removal fixed knot constructs is installed to the base bottom side, and the base upside is installed and is rotated the seat, rotates the seat upside and installs horizontal backup pad.
Further, a tank body mounting seat is installed on the upper side of the transverse supporting plate, a vertical supporting rod is installed at the left end of the transverse supporting plate, and a mounting plate is installed on the upper side of the vertical supporting rod.
Furthermore, the vertical support rod is connected with the inclined support rod, the end part of the inclined support rod is provided with a lighting plate, and the upper side of the lighting plate is embedded with a lighting lamp.
Further, jar body mount pad is inside to be provided with the mounting groove, and inside the pasting of mounting groove has the rubber pad, is provided with anti-skidding line on the rubber pad.
Further, remove fixed knot to construct and be provided with the casing, the inside mounting groove that is provided with of casing, mounting groove internally mounted has electric telescopic handle, and the gyro wheel is installed to electric telescopic handle tip, installs the brake block on the gyro wheel, and the casing bottom side is provided with the rubber concave-convex point.
Further, the rotating seat is provided with a bearing seat, an inner side installation cavity is arranged in the bearing seat, a rotating shaft is arranged in the inner side installation cavity, a connecting flange is arranged at the end part of the rotating shaft, and a threaded hole is formed in the upper side of the connecting flange;
the side of the upper end of the bearing seat is provided with a positioning arc block, the upper side of the positioning arc block is provided with an arc groove, the arc groove is connected with the arc block in a sliding mode, and the arc block is arranged on the transverse supporting plate.
Further, the process of processing the electric signal by the liquid flow velocity acquisition module is as follows:
converting the analog signal into a digital signal through an A/D analog-to-digital conversion module, and discretizing an independent variable and an amplitude value simultaneously;
and after the signal discretization is finished, carrying out signal processing on the digital signals, and restoring the processed digital signals into analog signals.
Further, the digitally processing the signal includes: signal transform domain analysis, signal digital filtering, signal identification and signal synthesis.
Further, the specific process of signal digital filtering is as follows:
selecting a wavelet basis function according to the collected flow rate electric signals, and determining a denoising threshold;
and processing the wavelet coefficient, and performing signal reconstruction on the flow rate signal.
By combining all the technical schemes, the invention has the advantages and positive effects that: according to the invention, the liquid flow rate acquisition module is connected with the central processing module in the control box, the central processing module is connected with the cloud server through the communication module, remote online detection is realized through a remote communication technology and a big data processing technology, data is calculated in real time, and the problem of inaccurate detection and calibration in the prior art is solved. According to the invention, through the structural design of the support frame, the integral structure can be simplified, the integral weight is reduced, and the integral device is convenient to move. The rotating seat is installed on the upper side of the base, so that the direction of the water storage tank can be adjusted conveniently. The vertical support rod is connected with the inclined support rod, the end part of the inclined support rod is provided with the lighting plate, and the upper side of the lighting plate is embedded with the lighting lamp, so that lighting operation is realized, and operation is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an on-line calibration device for a high-precision automatic control liquid flowmeter (instrument) provided by an embodiment of the invention.
Fig. 2 is a flowchart of a method for processing an electrical signal by a liquid flow rate acquisition module according to an embodiment of the present invention.
Fig. 3 is a schematic view of a supporting frame according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a mobile fixing structure according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a rotating seat according to an embodiment of the present invention.
In the figure: 1. a display screen; 2. a control key; 3. a first solenoid valve; 4. a water inlet pipe; 5. a water outlet pipe; 6. a storage tank opening; 7. a water storage tank; 8. a second solenoid valve; 9. a calibrated flow meter; 10. calibrating the flow meter; 11. moving the fixed structure; 12. a base; 13. a rotating seat; 14. a transverse support plate; 15. a tank body mounting base; 16. a vertical support bar; 17. mounting a plate; 18. an oblique supporting rod; 19. a lighting panel; 20. a housing; 21. an electric telescopic rod; 22. a roller; 22. a bearing seat; 23. a cavity is arranged on the inner side; 24. a rotating shaft; 25. positioning the arc block; 26. a connecting flange; 27. an arc-shaped groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides an on-line calibrating device for a high-precision automatic control liquid flowmeter (instrument), which is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the online calibrating device for a high-precision automatic control liquid flowmeter (instrument) provided by the embodiment of the invention is provided with a support frame, a control box is installed on the support frame, and a display screen 1 and a control key 2 are embedded on the upper side of the control box.
Install water storage tank 7 on the support frame, second solenoid valve 8 is installed to 7 lower extremes of water storage tank, and 7 upper ends of water storage tank are provided with storage tank mouth 6, and inlet tube 4 and outlet pipe 5 are installed to storage tank mouth 6 upper end, install first solenoid valve 3 on the inlet tube 4. The outlet pipe 5 is provided with a calibrated flowmeter 9 and a calibrated flowmeter 10.
The calibrated flowmeter 10 is internally provided with a liquid flow rate acquisition module, the liquid flow rate acquisition module is connected with a central processing module in the control box, and the central processing module is connected with a cloud server through a communication module.
As shown in fig. 2, the process of processing the electrical signal by the liquid flow rate acquisition module provided by the embodiment of the present invention is as follows:
s101: converting the analog signal into a digital signal through an A/D analog-to-digital conversion module, and discretizing an independent variable and an amplitude value simultaneously;
s102: and after the signal discretization is finished, carrying out signal processing on the digital signals, and restoring the processed digital signals into analog signals.
The digital signal processing method provided by the embodiment of the invention comprises the following steps: signal transform domain analysis, signal digital filtering, signal identification and signal synthesis.
The specific process of signal digital filtering provided by the embodiment of the invention is as follows:
selecting a wavelet basis function according to the collected flow rate electric signals, and determining a denoising threshold;
and processing the wavelet coefficient, and performing signal reconstruction on the flow rate signal.
As shown in fig. 3, the supporting frame provided in the embodiment of the present invention is provided with a base 12, a movable fixing structure 11 is installed on the bottom side of the base 12, a rotating seat 13 is installed on the upper side of the base 12, a horizontal supporting plate 14 is installed on the upper side of the rotating seat 13, a tank body installing seat 15 is installed on the upper side of the horizontal supporting plate 14, a vertical supporting rod 16 is installed at the left end of the horizontal supporting plate 14, an installing plate 17 is installed on the upper side of the vertical supporting rod 16, the vertical supporting rod 16 is connected with an oblique supporting rod 18, an illuminating plate 19 is installed at the end of the oblique supporting rod 18, and an illuminating lamp is embedded on the upper side of the illuminating plate 19. Wherein, jar body mount pad 15 is inside to be provided with the mounting groove, and the inside rubber pad that pastes of mounting groove has, is provided with anti-skidding line on the rubber pad.
As shown in fig. 4, the movable fixing structure 11 is provided with a housing 20, a mounting groove is provided inside the housing 20, an electric telescopic rod 21 is mounted inside the mounting groove, a roller 22 is mounted at an end of the electric telescopic rod 21, and a brake pad is mounted on the roller 22. Wherein, the bottom side of the shell 20 is provided with rubber concave-convex points.
As shown in fig. 5, the rotating base 13 according to the embodiment of the present invention is provided with a bearing seat 22, an inner mounting cavity 23 is provided inside the bearing seat 22, a rotating shaft 24 is installed inside the inner mounting cavity 23, a connecting flange 26 is installed at an end of the rotating shaft 24, and a threaded hole is provided at an upper side of the connecting flange 26.
The side of the upper end of the bearing seat 22 is provided with a positioning arc block 25, the upper side of the positioning arc block 25 is provided with an arc groove 27, the arc groove 27 is connected with an arc block in a sliding way, and the arc block is arranged on the transverse supporting plate 14.
The working principle of the invention is as follows: and a calibrated flowmeter 9 and a calibrated flowmeter 10 are installed on the water outlet pipe 5, the flow rate of the liquid is detected by the calibrated flowmeter 9 and the calibrated flowmeter 10, and the flow rate of the liquid is transmitted to the central processing module and the data is processed. After the data processing is finished, transmitting the data to a cloud server, processing the data by utilizing a big data processing technology, and transmitting the data to a central processing module; the central processing module transmits the difference value to a display screen to display the corresponding difference value; based on the difference, the sensed value of the calibrated flow meter 9 is adjusted.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a high accuracy automatic control liquid flowmeter (appearance) online calibrating device which characterized in that, high accuracy automatic control liquid flowmeter (appearance) online calibrating device is provided with:
a support frame;
a control box is arranged on the supporting frame, and a display screen and control keys are embedded on the upper side of the control box;
a water storage tank is arranged on the support frame, and a second electromagnetic valve is arranged at the lower end of the water storage tank;
the upper end of the water storage tank is provided with a storage tank opening, the upper end of the storage tank opening is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe is provided with a first electromagnetic valve;
the outlet pipe is provided with a calibrated flowmeter and a calibrated flowmeter;
the inside liquid velocity of flow collection module that is provided with of calibrated flow meter, liquid velocity of flow collection module are connected with the inside central processing module of control box, and central processing module passes through communication module and is connected with the cloud ware.
2. The on-line calibrating device for the high-precision automatic control liquid flowmeter (instrument) of claim 1, wherein the supporting frame is provided with a base, a movable fixing structure is arranged at the bottom side of the base, a rotating seat is arranged at the upper side of the base, and a transverse supporting plate is arranged at the upper side of the rotating seat.
3. The on-line calibrating device for the high-precision automatic control liquid flowmeter (instrument) of claim 2, wherein the tank body mounting seat is installed on the upper side of the transverse supporting plate, the vertical supporting rod is installed at the left end of the transverse supporting plate, and the mounting plate is installed on the upper side of the vertical supporting rod.
4. The on-line calibrating device for the high-precision automatic control liquid flowmeter (instrument) of claim 3, wherein the vertical support rod is connected with an oblique support rod, the end part of the oblique support rod is provided with an illuminating plate, and the upper side of the illuminating plate is embedded with an illuminating lamp.
5. The on-line calibrating device for the high-precision automatic control liquid flowmeter (instrument) of claim 3, wherein the tank body mounting seat is internally provided with a mounting groove, a rubber pad is pasted in the mounting groove, and the rubber pad is provided with anti-skid lines.
6. The on-line calibrating device for the high-precision automatic control liquid flowmeter (instrument) of claim 2, wherein the movable fixing structure is provided with a shell, a mounting groove is formed in the shell, an electric telescopic rod is mounted in the mounting groove, a roller is mounted at the end of the electric telescopic rod, a brake pad is mounted on the roller, and a rubber concave-convex point is arranged on the bottom side of the shell.
7. The high-precision automatic control liquid flowmeter (instrument) online calibration device as claimed in claim 6, wherein the rotating base is provided with a bearing seat, an inner side installation cavity is arranged inside the bearing seat, a rotating shaft is arranged inside the inner side installation cavity, a connecting flange is arranged at the end part of the rotating shaft, and a threaded hole is arranged at the upper side of the connecting flange;
the side of the upper end of the bearing seat is provided with a positioning arc block, the upper side of the positioning arc block is provided with an arc groove, the arc groove is connected with the arc block in a sliding mode, and the arc block is arranged on the transverse supporting plate.
8. The high-precision automatic control liquid flowmeter (instrument) online calibration device as claimed in claim 1, wherein the liquid flow rate acquisition module processes the electric signal by the process of:
converting the analog signal into a digital signal through an A/D analog-to-digital conversion module, and discretizing an independent variable and an amplitude value simultaneously;
and after the signal discretization is finished, carrying out signal processing on the digital signals, and restoring the processed digital signals into analog signals.
9. The high accuracy automatic control liquid flowmeter (instrument) online calibration device of claim 8, wherein said digitally performing signal processing comprises: signal transform domain analysis, signal digital filtering, signal identification and signal synthesis.
10. The high-precision automatic control liquid flowmeter (instrument) online calibration device as claimed in claim 8, wherein the signal digital filtering comprises the specific processes of:
selecting a wavelet basis function according to the collected flow rate electric signals, and determining a denoising threshold;
and processing the wavelet coefficient, and performing signal reconstruction on the flow rate signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111283573.6A CN114061708A (en) | 2021-11-01 | 2021-11-01 | High-precision automatic control liquid flowmeter (instrument) on-line calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111283573.6A CN114061708A (en) | 2021-11-01 | 2021-11-01 | High-precision automatic control liquid flowmeter (instrument) on-line calibration device |
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| CN114061708A true CN114061708A (en) | 2022-02-18 |
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| CN202111283573.6A Pending CN114061708A (en) | 2021-11-01 | 2021-11-01 | High-precision automatic control liquid flowmeter (instrument) on-line calibration device |
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|---|---|---|---|---|
| WO2011113211A1 (en) * | 2010-03-19 | 2011-09-22 | Wu Maoting | Vehicle setting and calibration device |
| CN103712669A (en) * | 2014-01-16 | 2014-04-09 | 中国人民解放军海军航空工程学院 | Flow gauge online calibration device |
| CN104677471A (en) * | 2015-02-03 | 2015-06-03 | 浙江工业大学 | Network online calibration system of gas turbine flowmeter |
| CN205593619U (en) * | 2016-04-07 | 2016-09-21 | 北京星达科技发展有限公司 | Flowmeter calibrating device |
| 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 |
| WO2020209806A1 (en) * | 2019-04-10 | 2020-10-15 | Pvte Company Limited | Calibration method for liquid flowmeter |
| CN213481486U (en) * | 2020-12-10 | 2021-06-18 | 日照旭东环境检测科技有限公司 | Flow controller for calibrating detection instrument |
-
2021
- 2021-11-01 CN CN202111283573.6A patent/CN114061708A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113211A1 (en) * | 2010-03-19 | 2011-09-22 | Wu Maoting | Vehicle setting and calibration device |
| CN103712669A (en) * | 2014-01-16 | 2014-04-09 | 中国人民解放军海军航空工程学院 | Flow gauge online calibration device |
| CN104677471A (en) * | 2015-02-03 | 2015-06-03 | 浙江工业大学 | Network online calibration system of gas turbine flowmeter |
| CN205593619U (en) * | 2016-04-07 | 2016-09-21 | 北京星达科技发展有限公司 | Flowmeter calibrating device |
| 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 |
| WO2020209806A1 (en) * | 2019-04-10 | 2020-10-15 | Pvte Company Limited | Calibration method for liquid flowmeter |
| CN213481486U (en) * | 2020-12-10 | 2021-06-18 | 日照旭东环境检测科技有限公司 | Flow controller for calibrating detection instrument |
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