CN113340384A - Non-contact flow measurement method inspection device for open scene - Google Patents
Non-contact flow measurement method inspection device for open scene Download PDFInfo
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- CN113340384A CN113340384A CN202110591513.4A CN202110591513A CN113340384A CN 113340384 A CN113340384 A CN 113340384A CN 202110591513 A CN202110591513 A CN 202110591513A CN 113340384 A CN113340384 A CN 113340384A
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- 238000000691 measurement method Methods 0.000 title claims abstract description 19
- 238000007689 inspection Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 238000005259 measurement Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000012795 verification Methods 0.000 claims 5
- 238000005516 engineering process Methods 0.000 description 18
- 238000012544 monitoring process Methods 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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Abstract
The invention relates to a non-contact flow measurement method inspection device for an open scene. The invention comprises a controller, an electromagnetic valve, an electromagnetic flowmeter, a water tank, a water pump, a telescopic control water tank bracket, a fixed water tank bracket, a non-contact flow measurement technical device and a sliding guide rail; the delivery port of hose connection water pump is passed through to solenoid valve one end, other end connection electromagnetic flowmeter, the electromagnetic flowmeter other end passes through the water inlet of hose connection basin, the basin passes through scalable control basin support and fixed basin support and supports, the water tank is placed to basin delivery port department, the hose of water pump water inlet is placed in the water tank, sliding guide and fixed basin support all are connected with the basin, the upper end setting of scalable control basin support is in sliding guide, non-contact flow measurement technical device, electromagnetic flowmeter equallys divide and do not is connected with the controller. The invention can realize the measurement of real flow and also can test the accuracy of the non-contact flow measurement technical method.
Description
Technical Field
The invention relates to a non-contact flow measurement method inspection device for an open scene, and belongs to the technical field of hydrologic monitoring.
Background
In the hydrological field, flow monitoring is particularly important, wherein the flow measurement technology of closed scenes (such as scenes of pipelines and the like) is mature, and the measurement result is very accurate, such as "a pipeline flow measurement device (application No. 202020481209.5)", but for open scenes (such as scenes of natural river channels, open channel water flows and the like), although the measurement technology has various forms, there are contact measurement technology and non-contact measurement technology, the contact measurement technology includes fish speed measurement such as "cable channel flow measurement fish monitoring system (application No. 201922048187.3)", rotor flow velocity meter and the like, the non-contact measurement technology includes radar flow measurement such as "doppler flow measurement device (application No. 202010649091.7)", video flow measurement such as "texture recognition method of space-time image flow measurement based on frequency domain filtering technology (application No. 201911180489.4)" and the like.
Although the flow measurement technologies in the open scene are various, the accuracy of the measurement result generated by the measurement method needs to be checked, at present, no means for effectively checking the accuracy of the non-contact flow measurement method is found in the hydrological monitoring field, and all the means are compared through various measurement technologies, but whether the non-contact flow measurement technologies are accurate or not cannot be judged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the non-contact type flow measurement method inspection device facing the open scene, which is used for inspecting the accuracy of the non-contact type flow measurement method.
The technical scheme of the invention is as follows: a non-contact flow measurement method inspection device facing an open scene comprises a controller 1, an electromagnetic valve 2, an electromagnetic flow meter 3, a water tank 4, a water tank 5, a water pump 6, a hose 7, a telescopic control water tank support 8, a fixed water tank support 9, a non-contact flow measurement technical device 10 and a sliding guide rail 11; 2 one end of solenoid valve is passed through the delivery port of hose 7 connection water pump 6, other end connection electromagnetic flowmeter 3, the water inlet of hose 7 connection basin 4 is passed through to electromagnetic flowmeter 3 other end, basin 4 supports through scalable control basin support 8 and fixed basin support 9, basin 4 delivery port department places water tank 5, hose 7 of water pump 6 water inlet is placed in water tank 5, sliding guide 11 and fixed basin support 9 all are connected with basin 4, the upper end setting of scalable control basin support 8 is in sliding guide 11, non-contact flow measurement technical device 10 installs on basin 4, non-contact flow measurement technical device 10, electromagnetic flowmeter 3 equally divide and do not be connected with controller 1.
As a further scheme of the invention, a baffle plate 12 is arranged at the water inlet of the water tank 4, and the baffle plate 12 is connected to the water tank 4 by glue and used for buffering water flow.
As a further scheme of the invention, the controller 1 and the electromagnetic flowmeter 3 form a detection unit, and the controller 1 is connected with the electromagnetic flowmeter 3 and used for automatically reading the flow value of the electromagnetic flowmeter 3 in real time.
As a further scheme of the invention, the controller 1 and the water pump 6 form a water circulation control unit, the controller 1 is connected with a control signal line of the water pump 6, the controller 1 controls the on and off of a power supply for starting and stopping the water pump 6, and the water circulation operation of the whole platform is controlled, so that the energy-saving effect is achieved.
As a further scheme of the invention, the controller 1, the telescopic control water tank support 8, the sliding guide rail 11 and the water tank 4 form a gradient control unit, the controller 1 is connected to a control signal line of the telescopic control water tank support 8, the controller 1 adjusts circuit electric shock conversion of a motor in the telescopic control water tank support 8, further adjusts forward and reverse rotation of the motor, realizes lifting and descending of the telescopic control water tank support 8, further controls specific descending of the water tank 4, simulates a real river slope, finally realizes control of water flow speed, is used for simulating different flow rates, and the upper end slides in the sliding guide rail 11 in the lifting and descending process of the telescopic control water tank support 8.
As a further scheme of the present invention, the controller 1 and the electromagnetic valve 2 form a flow control unit, the controller 1 is connected to a control signal line of the electromagnetic valve 2, the controller 1 switches control signals, the electromagnetic valve 2 adjusts the opening of the valve after receiving the signals, and the flow is adjusted by controlling the opening of the electromagnetic valve 2.
The invention has the beneficial effects that: the invention provides an open-scene-oriented non-contact flow measurement method inspection device, which is used for inspecting the flow detection accuracy of a non-contact flow measurement technology under different flow velocity conditions.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a control flow diagram of the present invention;
FIG. 4 is a schematic view of a control panel of the present invention;
FIG. 5 is a schematic block diagram of the control system of the present invention.
Reference numbers in FIGS. 1-2: 1-controller, 2-electromagnetic valve, 3-electromagnetic flowmeter, 4-water tank, 5-water tank, 6-water pump, 7-hose, 8-telescopic control water tank bracket, 9-fixed water tank bracket, 10-non-contact flow measurement technology device, 11-sliding guide rail and 12-baffle.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Example 1: as shown in fig. 1 to 5, a non-contact flow measurement method inspection device facing an open scene includes a controller 1, an electromagnetic valve 2, an electromagnetic flow meter 3, a water tank 4, a water tank 5, a water pump 6, a hose 7, a telescopic control water tank bracket 8, a fixed water tank bracket 9, a non-contact flow measurement technical device 10, and a sliding guide rail 11; 2 one end of solenoid valve is passed through the delivery port of hose 7 connection water pump 6, other end connection electromagnetic flowmeter 3, the water inlet of hose 7 connection basin 4 is passed through to electromagnetic flowmeter 3 other end, basin 4 supports through scalable control basin support 8 and fixed basin support 9, basin 4 delivery port department places water tank 5, hose 7 of water pump 6 water inlet is placed in water tank 5, sliding guide 11 and fixed basin support 9 all are connected with basin 4, the upper end setting of scalable control basin support 8 is in sliding guide 11, non-contact flow measurement technical device 10 installs on basin 4, non-contact flow measurement technical device 10, electromagnetic flowmeter 3 equally divide and do not be connected with controller 1.
As a further scheme of the invention, a baffle plate 12 is arranged at the water inlet of the water tank 4, and the baffle plate 12 is connected to the water tank 4 by glue and used for buffering water flow.
As a further scheme of the invention, the controller 1 and the electromagnetic flowmeter 3 form a detection unit, and the controller 1 is connected with the electromagnetic flowmeter 3 and used for automatically reading the flow value of the electromagnetic flowmeter 3 in real time.
As a further scheme of the invention, the controller 1 and the water pump 6 form a water circulation control unit, the controller 1 is connected with a control signal line of the water pump 6, the controller 1 controls the on and off of a power supply for starting and stopping the water pump 6, and the water circulation operation of the whole platform is controlled, so that the energy-saving effect is achieved.
As a further scheme of the invention, the controller 1, the telescopic control water tank support 8, the sliding guide rail 11 and the water tank 4 form a gradient control unit, the controller 1 is connected to a control signal line of the telescopic control water tank support 8, the controller 1 adjusts circuit electric shock conversion of a motor in the telescopic control water tank support 8, further adjusts forward and reverse rotation of the motor, realizes lifting and descending of the telescopic control water tank support 8, further controls specific descending of the water tank 4, simulates a real river slope, finally realizes control of water flow speed, is used for simulating different flow rates, and the upper end slides in the sliding guide rail 11 in the lifting and descending process of the telescopic control water tank support 8.
As a further scheme of the present invention, the controller 1 and the electromagnetic valve 2 form a flow control unit, the controller 1 is connected to a control signal line of the electromagnetic valve 2, the controller 1 switches control signals, controls the opening and closing of different oil discharge holes by controlling the switching of electric shock of a magnet coil of the electromagnetic valve 2, realizes the control of the valve opening of the electromagnetic valve 2, and regulates flow by controlling the valve opening of the electromagnetic valve 2.
The working principle of the invention is as follows:
the detection principle of the invention is to compare the real flow obtained by the electromagnetic flowmeter with the measurement results of non-contact flow measurement technologies such as radar flow measurement, ultrasonic flow measurement, video flow measurement and the like, and judge whether the non-contact flow measurement technology is accurate.
The working process of the invention is as follows: the water tank 5 is filled with water, the controller 1 opens the electromagnetic valve 2, the water pump 6 is opened, the telescopic control water tank support 8 is controlled to adjust the height, the adjusting ratio is reduced, the controller 1 controls the opening of the electromagnetic valve 2 to adjust the flow, and the whole experiment platform operates normally. The flow measured by the non-contact type flow measurement technology device 10 is compared with the actual flow to check the performance of the non-contact type flow measurement technology device 10, wherein the actual flow is the flow measured by the electromagnetic flowmeter 3. Wherein, when lifting and the decline of scalable control basin support 8, the upper end of scalable control basin support 8 slides in sliding guide 11, and fixed basin support 9 can be hinged joint at basin 4, because there is fixed basin support 9 that supports at basin 4, if the motor of scalable control basin support 8 was out of work, scalable control basin support 8 upper end on that sliding guide 11 also can not slide.
As shown in fig. 3, the operation states of the non-contact flow measurement method inspection device facing the open type scene can be divided into automatic and manual states, the manual state is usually used during debugging and maintenance, and the detection unit, the water circulation control unit, the gradient control unit and the flow control unit are independently debugged. The automatic state is the state when the device normally operates, the water pump is opened during the automatic state, water automatic cycle, the open size of solenoid valve can be adjusted when the device operates and the flow is controlled, the telescopic control basin support is adjusted to control the gradient of the basin, the flow is obtained through the reading of the electromagnetic flowmeter, and the flow is measured by the non-contact flow measurement technology device and can be displayed on the control panel.
As shown in fig. 4, a non-contact flow measurement method inspection device for an open scene, a controller panel is divided into three parts, and the upper part is a real value read by an electromagnetic flowmeter and a measured value measured by a non-contact flow measurement technology device; the middle part is a state display lamp which is green at ordinary times and yellow at work; the lower part of the operation panel provides device input command buttons/knobs.
The specification of the water tank used in the experiment of the invention is a glass plate cuboid water tank with the size of 2m 0.8 m; the water pump specification is 800W power, 50 meters lift small-size centrifugal pump, the water tank is 600L water tank; the controller is an ohm dragon PLC controller.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes and modifications can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (6)
1. A non-contact flow measurement method inspection device for an open scene is characterized in that: the device comprises a controller (1), an electromagnetic valve (2), an electromagnetic flowmeter (3), a water tank (4), a water tank (5), a water pump (6), a hose (7), a telescopic control water tank bracket (8), a fixed water tank bracket (9), a non-contact flow measurement technical device (10) and a sliding guide rail (11); one end of the electromagnetic valve (2) is connected with a water outlet of the water pump (6) through a hose (7), the other end of the electromagnetic valve (3) is connected with an electromagnetic flowmeter (3), the other end of the electromagnetic flowmeter (3) is connected with a water inlet of the water tank (4) through the hose (7), the water tank (4) is supported by a telescopic control water tank support (8) and a fixed water tank support (9), the water tank (5) is placed at the water outlet of the water tank (4), the hose (7) of the water inlet of the water pump (6) is placed in the water tank (5), the sliding guide rail (11) and the fixed water tank bracket (9) are both connected with the water tank (4), the upper end of the telescopic control water tank support (8) is arranged in the sliding guide rail (11), the non-contact type flow measurement technical device (10) is arranged on the water tank (4), and the non-contact type flow measurement technical device (10) and the electromagnetic flowmeter (3) are respectively connected with the controller (1).
2. The open-scene-oriented non-contact flow measurement method verification device according to claim 1, wherein: a baffle (12) is placed at the water inlet of the water tank (4), and the baffle (12) is connected to the water tank (4) through glue and used for buffering water flow.
3. The open-scene-oriented non-contact flow measurement method verification device according to claim 1, wherein: the controller (1) and the electromagnetic flowmeter (3) form a detection unit, and the controller (1) is connected with the electromagnetic flowmeter (3) and used for automatically reading the flow value of the electromagnetic flowmeter (3) in real time.
4. The open-scene-oriented non-contact flow measurement method verification device according to claim 1, wherein: the controller (1) and the water pump (6) form a water circulation control unit, the controller (1) is connected to a control signal line of the water pump (6), the controller (1) controls the on-off of a power supply of the water pump (6) to be started and stopped, the water circulation operation of the whole platform is controlled, and the energy-saving effect is achieved.
5. The open-scene-oriented non-contact flow measurement method verification device according to claim 1, wherein: controller (1), scalable control basin support (8), slope control unit is constituteed in sliding guide (11) and basin (4), the control signal line of scalable control basin support (8) is inserted in controller (1), the circuit of motor electrocutes conversion in controller (1) adjustment scalable control basin support (8), and then the adjustment motor is just reversing, realize the lifting and the decline of scalable control basin support (8), and then the specific drop of control basin (4), simulate real river course slope, finally realize the control of water velocity, be used for simulating different velocity of flow, the lifting and the in-process that descends of scalable control basin support (8), the upper end slides in sliding guide (11).
6. The open-scene-oriented non-contact flow measurement method verification device according to claim 1, wherein: the controller (1) and the electromagnetic valve (2) form a flow control unit, the controller (1) is connected to a control signal line of the electromagnetic valve (2), the controller (1) switches control signals, the electromagnetic valve (2) adjusts the opening of the valve after receiving the signals, and the flow is adjusted by controlling the opening of the electromagnetic valve (2).
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| CN202110591513.4A CN113340384A (en) | 2021-05-28 | 2021-05-28 | Non-contact flow measurement method inspection device for open scene |
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| CN202110591513.4A CN113340384A (en) | 2021-05-28 | 2021-05-28 | Non-contact flow measurement method inspection device for open scene |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397476A (en) * | 2021-11-15 | 2022-04-26 | 河海大学 | Flow velocity effectiveness identification and correction method for frequency domain space-time image velocity measurement |
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| CN101294841A (en) * | 2008-04-10 | 2008-10-29 | 上海大学 | Automatic detecting device and method for measuring tank |
| CN201532239U (en) * | 2009-11-24 | 2010-07-21 | 山东省计量科学研究院 | Real flow testing device for electromagnetic susceptibility of water meter |
| CN108287055A (en) * | 2018-01-30 | 2018-07-17 | 大连理工大学 | A kind of adjustable tidal wave experimental trough device |
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| CN109029646A (en) * | 2018-08-17 | 2018-12-18 | 浙江清环智慧科技有限公司 | Open-channel meter accuracy detecting device |
| CN110542752A (en) * | 2019-10-09 | 2019-12-06 | 中国科学院地理科学与资源研究所 | Slope runoff simulation device and using method thereof |
| CN210571288U (en) * | 2019-10-21 | 2020-05-19 | 华北水利水电大学 | Gutter inlet flow coefficient test measurement system |
-
2021
- 2021-05-28 CN CN202110591513.4A patent/CN113340384A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003177041A (en) * | 2001-12-12 | 2003-06-27 | Toshiba Corp | Electromagnetic flowmeter for open channel |
| CN101294841A (en) * | 2008-04-10 | 2008-10-29 | 上海大学 | Automatic detecting device and method for measuring tank |
| CN201532239U (en) * | 2009-11-24 | 2010-07-21 | 山东省计量科学研究院 | Real flow testing device for electromagnetic susceptibility of water meter |
| CN108287055A (en) * | 2018-01-30 | 2018-07-17 | 大连理工大学 | A kind of adjustable tidal wave experimental trough device |
| CN108680237A (en) * | 2018-03-30 | 2018-10-19 | 无锡航征科技有限公司 | A kind of multifunction test platform and its test method |
| CN109029646A (en) * | 2018-08-17 | 2018-12-18 | 浙江清环智慧科技有限公司 | Open-channel meter accuracy detecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397476A (en) * | 2021-11-15 | 2022-04-26 | 河海大学 | Flow velocity effectiveness identification and correction method for frequency domain space-time image velocity measurement |
| CN114397476B (en) * | 2021-11-15 | 2022-10-14 | 河海大学 | Flow velocity effectiveness identification and correction method for frequency domain space-time image velocity measurement |
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Application publication date: 20210903 |