CN105841752A - Multifunction measuring device and method accurately measuring cross-section flow - Google Patents
Multifunction measuring device and method accurately measuring cross-section flow Download PDFInfo
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- CN105841752A CN105841752A CN201610172353.9A CN201610172353A CN105841752A CN 105841752 A CN105841752 A CN 105841752A CN 201610172353 A CN201610172353 A CN 201610172353A CN 105841752 A CN105841752 A CN 105841752A
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- flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
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Abstract
The invention relates to a multifunction measuring device and method accurately measuring cross-section flow; a pedestal is fixedly connected with the bottom of a support rod; the support rod is provided with a lifting device; the lifting device is provided with a telescopic device having a flow sensor; the lifting device, the telescopic device and the flow sensor are respectively connected with a control system; the control system controls the lifting device to vertically move along the support rod, and controls the telescopic device to drive the flow sensor to horizontally move; the flow sensors can transfer the flow signals of each measuring point to the control system; the control system can use the finite element principle to obtain the measured cross-section flow.
Description
Technical field
The present invention relates to a kind of multifunction measuring set and the method thereof of accurate measurement cross-section of river flow.
Background technology
In the flow velocity, flow detection of the cross-section of river, a large amount of main test instruments used are traditional rotating element current meters,
During reality is measured, due to the impact of artificial subjective factor, stream can only be measured at a certain cross-section of river depth qualitatively
Speed, section width and the degree of depth, and the flow velocity of cross-section of river various location is different, therefore, simply simply by upper
State one-shot measurement to calculate the flow of the cross-section of river, can only be rough estimate, lack accuracy, it is difficult to meet and measurement is had relatively
The experimental work of high-precision requirement, for solving the problems referred to above, needs to invent a kind of device improving measurement precision.
Chinese patent CN 103245385 A discloses flow velocity self-correcting open channel flow rate measurement apparatus, and device includes: base, its
On be provided with the vertical tub driving motor, flow velocity transmitter and lower end to pass base, vertical tub is provided with by driving electricity
The elevating mechanism that machine drives；Liquid level sensor I, is arranged on base；Connecting rod, is enclosed within vertical tub, its upper end and liter
Descending mechanism connects, and vertical tub is extended in lower end；Flow sensor, is connected to the lower end of connecting rod, and electric with flow velocity transmitter
Connect；Liquid level sensor II, is arranged on flow sensor, is used for detecting flow sensor in the subsurface degree of depth；And
TT&C system.
Chinese patent CN 104535123 A discloses a kind of online canal capacity method for automatic measurement, and measuring method is upper
Arranging measurement parameter on the machine of position, section is subdivided into several subregions automatic selected characteristic measuring point by microcontroller automatically, records
After the flow velocity of section point and section water level, by the velocity distribution in section vertical line direction, point position, point velocity and
Water depth value calculates the mean flow rate of flow velocity point place vertical line, and the cross direction profiles rule further according to mean flow rate obtains each subregion
Perpendicular bisector mean flow rate, the mean flow rate of each subregion is represented by subregion perpendicular bisector mean flow rate, after trying to achieve the flow of each subregion
Summation, can obtain the total flow of section.
Above two patents disadvantageously, although the flow velocity at cross-section of river different depth can be measured, but for same deeply
For degree, this degree of depth flow velocity at a certain measuring point can only be measured.Due to cross-section of river boundary and center flow rate of water flow
Differing greatly, the water flow velocity of a certain depth measured by the most this measurement apparatus or method is the most accurate, it is impossible to essence
Really measure the flow of the cross-section of river.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of simple in construction, it is easy to operation, be conducive to
Improve multifunction measuring set and the method thereof of a kind of accurate measurement cross-section of river flow of certainty of measurement.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that
The multifunction measuring set of a kind of accurate measurement cross-section of river flow, including the bottom of base, described base and support bar
Fixing connection, described support bar is provided with lowering or hoisting gear, and described lowering or hoisting gear is provided with retractor device, on described retractor device
It is provided with flow sensor；Described lowering or hoisting gear, retractor device and flow sensor are all connected with control system, and described control is
System control described lowering or hoisting gear along described support bar vertical motion, control described retractor device drive described flow sensor level
Motion, the flow velocity signal of each measuring point is transferred to described control system by described flow sensor, and described control system is according to limited
The principle of unit draws the flow of the surveyed cross-section of river.This device is utilized can accurately to measure the flow at cross-section of river each point,
Utilize the flow value obtained by the thought of finite element more accurate.
The outside of described lowering or hoisting gear and described retractor device is constituted by waterproof material.
Described retractor device includes two telescopic arms being symmetrically arranged in described lowering or hoisting gear both sides.Retractor device can be with lifting
Device is welded to connect.
Described flow sensor all it is fixed with in the outer end of two described telescopic arms.
Described control system includes that system host, described system host are provided with display screen, keyboard, USB interface, SD card are deposited
Card storage.
Described system host is connected with measurement apparatus main part by the way of wired or wireless.
Described control system is by the vertical travel distance of lowering or hoisting gear described in described Keyboard Control and the level of described retractor device
Displacement.
The multifunctional measuring method of a kind of accurate measurement cross-section of river flow, comprises the following steps:
Step 1: be placed at the cross-section of river by measurement agent set, system host arranges that in the range of the whole cross-section of river flow velocity passes
Each of sensor measures point, and calculates the measured area that each measurement point is distributed；
Step 2: described flow sensor records flow speed data at each described point of measuring, and by data signal transmission to described system
Main frame；
Step 3: described system host is according to each described measured area measuring point, and the described flow speed data of correspondence, and utilization has
Limit unit principle, is calculated the flow of the whole cross-section of river.
Described system host, by controlling lowering or hoisting gear and the position of retractor device, determines that described flow sensor is in each institute
State the relevant position measuring point.
The length that described system host controls the height that every time lifts of described lowering or hoisting gear and described retractor device stretches every time,
Obtain described measured area, and realize the determination of particular location to described flow sensor.
The invention has the beneficial effects as follows:
Simple in construction, easy to operate, corresponding adjustable height (Δ Y) and horizontal extension can be set according to certainty of measurement requirement
Distance (Δ X), Δ Y and Δ X is the least, and certainty of measurement is the highest.
Collection is measured cross-section of river height, width, flow velocity, flow and data and is transmitted in one, improves certainty of measurement, gram
Triviality and inaccuracy that equipment such as using tradition current meter measures are taken.
Accompanying drawing explanation
Fig. 1 is vertical lifting device of the present invention and horizontal telescopic device schematic diagram；
Fig. 2 is flow-velocity sensing device schematic diagram of the present invention；
Fig. 3 is present system main frame schematic diagram；
Fig. 4 is actual instrumentation plan of the present invention；
Fig. 5 is horizontal telescopic device schematic diagram.
Wherein 1, pedestal, 2, metallic rod, 3, vertical lifting device, 4, horizontal telescopic device, 5, flow sensor, 6,
Sensing line, 7, system host, 8, display screen, 9, numeral keys, 10, function key, 11, USB interface, 12,
SD card storage mouth.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment:
The present invention is further described with example below in conjunction with the accompanying drawings.
The multifunction measuring set of a kind of accurate measurement cross-section of river flow, including pedestal 1, metallic rod 2, vertical lifting device
3, horizontal telescopic device 4, flow sensor 5, sensing line 6, system host 7.
A kind of multifunction measuring set of accurate measurement cross-section of river flow, it is characterised in that: metallic rod 2 surface is screw-like,
And be connected with vertical lifting device 3, vertical lifting device 3 is water-tight device, internal equipped with automatic lifting system, can be along
Metallic rod 2 is moved freely by predetermined distance (Δ Y), can record each lifting by host computer system 7 high in moving process
Degree.
Metallic rod 2 surface is screw-like, has same helicitic texture inside vertical lifting device 3, can pass through metallic rod 2
On screw thread move up and down, every time the distance of movement can be determined according to surveying requirement.
Horizontal telescopic device 4 and vertical lifting device 3 are by being welded to connect, and in Fig. 5, horizontal telescopic device is made up of 5 joints,
In actual application, its joint number, often joint length and scale precision can be determined according to actual measurement requirement.
Vertical lifting device is constituted by waterproof material with the outside of horizontal telescopic device, and places anti-at material members seam
Water cushion circle (can make of nitrile rubber), so certain waterproof action can be played.
A kind of multifunction measuring set of accurate measurement cross-section of river flow, it is characterised in that: vertical lifting device about 3 is held
Connecting two horizontal telescopic devices 4, horizontal telescopic device 4 is water-tight device, internal equipped with automatic telescopic system, can be along gold
It is mobile that genus bar 2 both sides level presses predetermined distance (Δ X) to cross-section of river two ends, can pass through host computer system 7 in moving process
Record and each move horizontally distance；
A kind of multifunction measuring set of accurate measurement cross-section of river flow, it is characterised in that: horizontal telescopic device 4 end fills
There is flow sensor 5, the flow velocity signal of various location can be sensed, and pass it to flow-velocity sensing system in main frame, flow velocity
Sensor-based system can calculate the flow velocity of corresponding position by plug-in.
A kind of multifunction measuring set of accurate measurement cross-section of river flow, it is characterised in that: system host 7 by display screen 8,
Numeral keys 9, function key 10, usb 11, SD card storage mouth 12 and built-in integrated system composition, pass through numeral keys
9 and function key 10 can arrange each vertical lifting height (Δ Y) and move horizontally distance (Δ X), built-in integrated system lead to
Cross plug-in and can calculate the flow velocity (V of different cross-section of river horizontal positioni), thus calculate different section depth bounds
Interior flow (Qj=Δ Y* Δ X* (Va+Vb+Vc+ ...)), it is then based on Finite Element Method, by cumulative summation and then can
Obtain the flow (Q=Q of the whole cross-section of river1+Q2+Q3+……)。
A kind of multifunction measuring set of accurate measurement cross-section of river flow, it is characterised in that: system host 7 is internal equipped with USB
Interface 11 and SD card storage mouth 12, measures and calculates data and can be automatically saved in storage card and can pass through usb 11
Carry out data transmission.
The using method of the multifunction measuring set of a kind of accurate measurement cross-section of river flow, it is characterised in that include following step
Rapid:
Step A, is placed on, by measuring overall apparatus, the cross-section of river centre position needing to measure, and is fixed, turn on the power
Switch, drops to (cross-section of river bottom) at metallic rod 2 bottom base vertical lifting device 3；
Step B, according to measurement requirement, in system host 7, binding number keyboard 9 and function key 10 arrange vertical lifting device
3 and each wicking height (Δ Y) of horizontal telescopic device 4 and move horizontally distance (Δ X)；
Step C, starts vertical lifting device 3 and horizontal telescopic device 4, and first vertical lifting device 3 raises height at first
Degree (Δ Y) place stops, and now presses predetermined distance (Δ X) while of two horizontal telescopic devices 4 to cross-section of river both sides mobile,
Moving process can be recorded by host computer system 7 and each move horizontally distance, measure phase by flow sensor 5 simultaneously
Answer the flow velocity (V of positioni), system host 7 can calculate the flow in the range of this wicking height (Δ Y) by built-in system
(Q1)；
Step D, after having measured the flow at a section depth, vertical lifting device 3 can rise Δ Y the most again, rests on
Another cross-section of river depth, thus carry out the measurement at this section depth, vertical lifting device 3 rises thus real successively
Now the continuous measurement to the cross-section of river, measures and calculates data and will be sequentially displayed in display screen 8, and be automatically saved to storage
In card；
Step E, after measurement, closes vertical lifting device 3 and horizontal telescopic device 4, and system host 7 can calculate whole
The flow (Q) of the individual cross-section of river, measuring and calculate data can be transmitted by usb 11, finally closes power supply and opens
Close.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.To enforcement
The multiple amendment of example will be apparent from for those skilled in the art, and generic principles defined herein is permissible
Without departing from the spirit or scope of the present invention, realize in other embodiments, the part not being described in detail, for
Prior art, does not repeats at this.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is intended to
Meet the widest scope consistent with principles disclosed herein and feature.
Claims (10)
1. the multifunction measuring set of an accurate measurement cross-section of river flow, it is characterised in that: include base, described base
Fixing with the bottom of support bar and be connected, described support bar is provided with lowering or hoisting gear, and described lowering or hoisting gear is provided with retractor device,
Described retractor device is provided with flow sensor；Described lowering or hoisting gear, retractor device and flow sensor are all with control system even
Connect, described control system control described lowering or hoisting gear along described support bar vertical motion, control described retractor device and drive described
Flow sensor horizontal movement, the flow velocity signal of each measuring point is transferred to described control system, described control by described flow sensor
System processed draws the flow of the surveyed cross-section of river according to the principle of finite element.
The multifunction measuring set of a kind of accurate measurement cross-section of river flow the most according to claim 1, it is characterised in that:
The outside of described lowering or hoisting gear and described retractor device is constituted by waterproof material.
The multifunction measuring set of a kind of accurate measurement cross-section of river flow the most according to claim 1, it is characterised in that:
Described retractor device includes two telescopic arms being symmetrically arranged in described lowering or hoisting gear both sides.
The multifunction measuring set of a kind of accurate measurement cross-section of river flow the most according to claim 3, it is characterised in that:
Described flow sensor all it is fixed with in the outer end of two described telescopic arms.
The multifunction measuring set of a kind of accurate measurement cross-section of river flow the most according to claim 1, it is characterised in that:
Described control system includes that system host, described system host are provided with display screen, keyboard, USB interface, SD card storage card.
The multifunction measuring set of a kind of accurate measurement cross-section of river flow the most according to claim 5, it is characterised in that:
Described system host is connected with measurement apparatus main part by the way of wired or wireless.
The multifunction measuring set of a kind of accurate measurement cross-section of river flow the most according to claim 5, it is characterised in that:
Described control system is by the vertical travel distance of lowering or hoisting gear described in described Keyboard Control and moving horizontally of described retractor device
Distance.
8. the multifunctional measuring method of an accurate measurement cross-section of river flow, it is characterised in that comprise the following steps:
Step 1: be placed at the cross-section of river by measurement agent set, system host arranges that in the range of the whole cross-section of river flow velocity passes
Each of sensor measures point, and calculates the measured area that each measurement point is distributed；
Step 2: described flow sensor records flow speed data at each described point of measuring, and by data signal transmission to described system
Main frame；
Step 3: described system host is according to each described measured area measuring point, and the described flow speed data of correspondence, and utilization has
Limit unit principle, is calculated the flow of the whole cross-section of river.
The multifunctional measuring method of a kind of accurate measurement cross-section of river flow the most according to claim 8, it is characterised in that:
Described system host, by controlling lowering or hoisting gear and the position of retractor device, determines that described flow sensor is in survey each described
The relevant position of amount point.
The multifunctional measuring method of a kind of accurate measurement cross-section of river flow the most according to claim 8, its feature exists
Height that described lowering or hoisting gear lifts every time and the length that described retractor device stretches every time is controlled in: described system host,
Obtain described measured area, and realize the determination of particular location to described flow sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172353.9A CN105841752A (en) | 2016-03-24 | 2016-03-24 | Multifunction measuring device and method accurately measuring cross-section flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172353.9A CN105841752A (en) | 2016-03-24 | 2016-03-24 | Multifunction measuring device and method accurately measuring cross-section flow |
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| Publication Number | Publication Date |
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| CN105841752A true CN105841752A (en) | 2016-08-10 |
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ID=56583113
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| CN201610172353.9A Pending CN105841752A (en) | 2016-03-24 | 2016-03-24 | Multifunction measuring device and method accurately measuring cross-section flow |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544983A (en) * | 2017-01-10 | 2017-03-29 | 山东大学 | A kind of hydraulic model test water surface curve and flow rate measuring device and method |
| CN109883478A (en) * | 2019-03-06 | 2019-06-14 | 楼彩飞 | A kind of artificial open channel flow rate measuring device and its flow-measuring method |
| CN109975578A (en) * | 2019-04-09 | 2019-07-05 | 武汉新烽光电股份有限公司 | Runoff velocity method for real-time measurement, system and control device |
| CN110297104A (en) * | 2019-06-04 | 2019-10-01 | 长江水利委员会水文局 | A kind of river represents vertical velocity profile real-time online measuring method |
| CN111307205A (en) * | 2020-02-10 | 2020-06-19 | 自然资源部第三海洋研究所 | Measuring device and measuring method for beach surface sediment movement |
| CN112050864A (en) * | 2020-09-08 | 2020-12-08 | 河北工程大学 | Surface water flow observation device of coal mine surface water observation station |
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| CN104535123A (en) * | 2014-12-29 | 2015-04-22 | 太原理工大学 | Online automatic channel flow measuring method |
| CN104535119A (en) * | 2014-12-29 | 2015-04-22 | 太原理工大学 | Automatic open channel flow measuring method |
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| US20070084297A1 (en) * | 2005-08-11 | 2007-04-19 | Powell Arthur G | Oscillating vane actuator apparatus and method for active flow control |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544983A (en) * | 2017-01-10 | 2017-03-29 | 山东大学 | A kind of hydraulic model test water surface curve and flow rate measuring device and method |
| CN106544983B (en) * | 2017-01-10 | 2018-09-25 | 山东大学 | A kind of hydraulic model test water surface curve and flow rate measuring device and method |
| CN109883478A (en) * | 2019-03-06 | 2019-06-14 | 楼彩飞 | A kind of artificial open channel flow rate measuring device and its flow-measuring method |
| CN109975578A (en) * | 2019-04-09 | 2019-07-05 | 武汉新烽光电股份有限公司 | Runoff velocity method for real-time measurement, system and control device |
| CN109975578B (en) * | 2019-04-09 | 2021-12-31 | 武汉新烽光电股份有限公司 | Runoff flow velocity real-time measuring method, system and control device |
| CN110297104A (en) * | 2019-06-04 | 2019-10-01 | 长江水利委员会水文局 | A kind of river represents vertical velocity profile real-time online measuring method |
| CN111307205A (en) * | 2020-02-10 | 2020-06-19 | 自然资源部第三海洋研究所 | Measuring device and measuring method for beach surface sediment movement |
| CN112050864A (en) * | 2020-09-08 | 2020-12-08 | 河北工程大学 | Surface water flow observation device of coal mine surface water observation station |
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Application publication date: 20160810 |
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