CN208223565U - A kind of big flow open channel measuring automatically flow system - Google Patents
A kind of big flow open channel measuring automatically flow system Download PDFInfo
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- CN208223565U CN208223565U CN201820801584.6U CN201820801584U CN208223565U CN 208223565 U CN208223565 U CN 208223565U CN 201820801584 U CN201820801584 U CN 201820801584U CN 208223565 U CN208223565 U CN 208223565U
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- pressure
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- flow
- open channel
- baffle
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Abstract
The utility model provides a kind of big flow open channel measuring automatically flow system, and measuring automatically flow system is arranged on canal cross section;The system is by being set to the cylinders of canal cross section two sides, it is installed on the lifting device of cylinder, the survey pressure baffle for being disposed with pressure capsule system and acquisition and controller is constituted, lifting motor is arranged on the cylinder of canal bottom two sides, the elevating lever of lifting motor is fixed with pressure baffle both ends are surveyed;Acquisition and controller are used to control lifting motor work, for calculating canal capacity according to the parameter for collecting pressure capsule system data and setting and the data being transmitted to data terminal.The utility model the utility model has the advantages that measuring automatically flow, it is easy to operate, measurement precisely, wireless transmission, it is adaptable.
Description
Technical field
The utility model belongs to irrigated area measuring technology field, more specifically a kind of big flow open channel measuring automatically flow system
System, the flow precise measurement suitable for various channels especially big flow open channel.
Background technique
The measurement of canal capacity is extremely important for controlling channel, is the requisite measure for guaranteeing channel and working normally.Channel
Flow precise measurement is the premise and global problem of irrigated area automation control and management.Existing canal capacity modernization
Measuring technique mainly has the packet of radar wave flowmeter, ultrasonic open channel flowmeter, acoustic doppler open channel measuring instrument and classics
Weir (slot) equivalent amount of water technology is included, these flow measurement method some are unsuitable for big flow open channel, the big, flow velocity especially for section
Small canal capacity low measurement accuracy;The biggish channel of silt content also, using above method flow measurement, since canal bottom is deposited
Canal cross section area change is caused, canal capacity measurement accuracy is influenced.
Utility model content
The utility model is in order to solve the above technical problems, provide a kind of big flow open channel measuring automatically flow method and system.
A kind of big flow open channel measuring automatically flow system, it is characterised in that: include:
Pressure baffle is surveyed, is arranged across free flow channel, length is matched with canal bottom width degree;
Lifting device connect including lifting motor and with lifting motor and does vertical spiral lifting by lifting motor control
Elevating lever;
Pressure capsule system surveys multiple pressure-measuring-point A of the upstream face of pressure baffle including being uniformly distributed in the horizontal direction,
With the pressure-measuring-point B for the side for being parallel to water (flow) direction for being arranged in survey pressure baffle;
Acquisition and controller, connect with lifting motor signal, for controlling the lifting motor of lifting device and then realization pair
Survey the control of pressure baffle flow measurement height;Acquisition and controller are also connect with pressure capsule system signal simultaneously, for collecting pressure
The data and utilization data calculating open channel flow rate that sensor-based system measures;
In above-mentioned big flow open channel measuring automatically flow system, pressure sensor is laid on the pressure-measuring-point A, and the pressure passes
Sensor pressure tap face water (flow) direction;
Pressure sensor is laid on the pressure-measuring-point B, and pressure sensor pressure tap direction is vertical with water (flow) direction.
In above-mentioned big flow open channel measuring automatically flow system, the pressure-measuring-point B, which is arranged in, to be surveyed pressure baffle and is parallel to water flow
The middle part of the side in direction, and pressure-measuring-point B height is equal with pressure-measuring-point A height.
In above-mentioned big flow open channel measuring automatically flow system, survey pressure baffle be I-steel, including front and rear sides wing plate with
And the web between wing plates on two sides, survey pressure baffle be vertically oriented to by wing plates on two sides, web horizontally toward in a manner of across bright
The setting of canal channel;The pressure-measuring-point A is laid in the upstream face of wing plate, and pressure-measuring-point B is laid in the middle part of web, and pressure is surveyed
Point B and pressure-measuring-point A are contour.
In above-mentioned big flow open channel measuring automatically flow system, the pressure sensor is Weighing type pressure sensor, is suitable for
Various flows, particularly the requirement of big flow open channel flow measurement.
In above-mentioned big flow open channel measuring automatically flow system, described Open Channel bottom for surveying pressure baffle place canal cross section or so two
Side is equipped with cylinder;The lifting device includes lifting motor and connect with lifting motor and do vertical spiral shell by lifting motor control
Revolve the elevating lever of lifting;Lifting device is respectively mounted on each cylinder;The elevating lever of each lifting device respectively with survey pressure baffle it is left,
Right part is fixed;Two cylinders have the vertical groove being oppositely arranged, and the both ends for surveying pressure baffle are embedded in vertical groove respectively, survey
Pressure baffle moves up and down under the drive of elevating lever along vertical groove;At left and right sides of the Open Channel bottom cylinder respectively with it is ipsilateral
The baffle that blocks water is set between channel side slopes, and cylinder and the baffle that blocks water are located on the same section of channel.
In above-mentioned big flow open channel measuring automatically flow system, the height of the cylinder is higher than the open channel water surface, the lifting device
It is fixed at the top of cylinder;The acquisition and controller are disposed therein the top of a cylinder.
In above-mentioned big flow open channel measuring automatically flow system, the cylinder is concrete column.
In above-mentioned big flow open channel measuring automatically flow system, the system is set on the typical section of channel.
The utility model the utility model has the advantages that
The utility model provides a kind of by measuring the dynamic and static water pressure difference on the cross-section of river to indirect Measure section mistake
The scheme of water flow, mechanism, structure are simple, and high degree of automation, implementation process is simple, are suitable for the especially big stream of various channels
Measure open channel (flow 30-150m3/ s) flow precise measurement.
Detailed description of the invention
Fig. 1 is the utility model embodiment flow measuring system rough package drawing;
Fig. 2 is flow measuring system local overlooking schematic diagram in Fig. 1;
Fig. 3 is the utility model embodiment flow measuring system cylinder and survey pressure baffle plane arrangement schematic diagram;
Fig. 4 is the utility model embodiment flow measuring system control structure figure.
In figure: 1- surveys pressure baffle;2- lifting device;201- lifting motor;202- elevating lever;203- goes up and down rod controller;
204- lifting device pedestal mounting plate;3- acquisition and controller;301- control unit;302- data reception portion;303- parameter setting
Portion;304- calculation part;305- data transfer part;4- cylinder;401- vertical groove;5- pressure-measuring-point A;6- pressure-measuring-point B;7- resistance
Water baffle;8- open channel;9- canal bottom;10- channel side slopes;The 11- channel water surface;12- canal top.
Specific embodiment
The utility model is understood and implemented for the ease of those of ordinary skill in the art, it is right with reference to the accompanying drawings and embodiments
The utility model is described in further detail, it should be appreciated that embodiment described herein is only used for describing and explaining
The utility model is not used to limit the utility model.
A kind of big flow open channel measuring automatically flow system, comprising: survey pressure baffle 1, lifting device 2, pressure capsule system, acquisition
And controller 3.
Pressure baffle 1 is surveyed, is arranged across free flow channel, length is matched with canal bottom width degree.It is set preferably, surveying pressure baffle 1
It is placed on the typical section of channel.Preferably, the survey pressure baffle 1 is I-steel, it is vertically oriented to wing plates on two sides, web water
The mode of flat direction is arranged across free flow channel.
Lifting device 2 carries out m times for control survey pressure baffle 1 and vertically moves in the range of from Open Channel bottom to the open channel water surface
It is dynamic.Preferably, lifting device 2 is spiral lift.
Pressure capsule system surveys n pressure-measuring-point of the upstream face of pressure baffle 1 including being uniformly distributed in the horizontal direction
A5, and it is arranged in 1 pressure-measuring-point B6 for surveying the side for being parallel to water (flow) direction of pressure baffle 1, wherein the pressure-measuring-point A5
Upper laying pressure sensor, and the pressure sensor pressure tap face water (flow) direction;Pressure is laid on the pressure-measuring-point B6 to pass
Sensor, and pressure sensor pressure tap direction is vertical with water (flow) direction.Preferably, the pressure-measuring-point B6 is arranged in survey pressure
The middle part of the side for being parallel to water (flow) direction of baffle 1, and pressure-measuring-point B6 height is equal with pressure-measuring-point A5 height.As one
Kind embodiment, when the survey pressure baffle 1 is I-steel, the pressure-measuring-point A5 is laid in the upstream face of I-steel wing plate, pressure
Power measuring point B6 is laid on I-steel web.Preferably, the pressure sensor is Weighing type pressure sensor, it is suitable for each
Kind flow, particularly big flow open channel flow measurement.
Lifting device 2 carries out m times for control survey pressure baffle 1 and vertically moves in the range of from Open Channel bottom to the open channel water surface
It is dynamic;Wherein, pressure baffle 1 the 1st time is surveyed vertically movable to rise to away from canal bottom height h1=0.5* Δ, Δ=H/m, H are the open channel depth of water,
2nd time to the m times each vertically movable displacement is Δ, that is, survey pressure baffle 1 surveyed after jth time is vertically movable pressure baffle 1 away from
Height h from canal bottomj=(j-0.5) * Δ, j=1,2,3,4 ... m;
The pressure-measuring-point A5 arranged on pressure capsule system, for measuring the dynamic hydraulic pressure at pressure-measuring-point A5 by force and hydrostatic pressing
The sum of strong pi,j, pi,jIndicate to survey pressure baffle 1 in j-th of height (hj=(j-0.5) * Δ) at i-th of pressure-measuring-point A5 measure
Pressure values (i=1,2,3,4 ..., n, j=1,2,3,4 ... m, Δ=H/m);
The pressure-measuring-point B6 arranged on pressure capsule system, the hydrostatic for water body at height where measuring pressure baffle 1
Pressure p0,j, p0,jIndicate to survey pressure baffle 1 in j-th of height (hj=(j-0.5) * Δ) at the pressure values (j that measures of pressure-measuring-point B6
=1,2,3,4 ... m, Δ=H/m).
It is carried out m times in the range of from Open Channel bottom to the open channel water surface it should be noted that pressure baffle 1 is surveyed in the control of lifting device 2
It is vertically movable, that is, Open Channel bottom to open channel water-surface areas is divided into m equal part, i.e., the height of each equal part from bottom to up
Δ=H/m is surveyed pressure baffle 1 survey pressure baffle 1 after completing jth time vertical displacement and is located at away from canal bottom height hj=(j-0.5) * Δ
Place.
Acquisition and controller 3, connect with 201 signal of lifting motor, for control the lifting motor 201 of lifting device 2 into
And realize the control to pressure baffle 1 flow measurement height and height is surveyed;Acquisition simultaneously and controller 3 also connect with pressure capsule system signal
It connects, the pressure data p measured for collecting data pressure sensor-based systemi,jAnd p0,j, and open channel is calculated according to collected data
Flow Q;
Wherein, acquisition and controller 3 include:
Control unit 301, for controlling the ramp rate of lifting device 2;And for control acquisition and controller it is each
The work of component receives and stores the pressure values p that pressure capsule system measures including control data reception portion 302i,jAnd p0,j, control
Parameter setting portion 303 processed, which is stored, presses the vertically movable total secondary of baffle 1 including open channel depth of water H, canal bottom width degree b, the density p of water, survey
Count the parameter including the total number n of m, pressure-measuring-point A5;Control data reception portion 302, parameter setting portion 303 are sent data to
Calculation part 304, control calculation part carry out open channel flow rate calculating and the data are transmitted to data end by data transfer part 305
End.
Data reception portion 302, the pressure values p measured for receiving and storing pressure capsule systemi,jAnd p0,j;
Parameter setting portion 303, for inputting and storing including open channel depth of water H, canal bottom width degree b, the density p of water, survey pressure gear
Parameter including the vertically movable total degree m of plate 1, the total number n of pressure-measuring-point A5;
Calculation part 304, the pressure values p for will measurei,jAnd p0,jAnd the parameter of input substitutes into(i=1,2,3,4 ..., n, j=1,2,3,4 ..., m) calculates vi,j, vi,jTo survey pressure baffle 1 away from canal
Bottom height hjFlow velocity at i-th of pressure-measuring-point A5 of=(j-0.5) * Δ;And the v that will be calculatedi,jAnd parameter H, b, m, n
It substitutes into Calculate open channel flow rate Q;
Data transfer part 305, the open channel flow rate data for will be calculated are transmitted to data terminal, the data terminal
For user terminal or client.
Cylinder 4 is equipped at left and right sides of the Open Channel bottom for surveying pressure 1 place canal cross section of baffle, the cylinder 4 is water
The height of mud column, the cylinder 4 is higher than the open channel water surface;The lifting device 2 include lifting motor 201 and with lifting motor 201
It connects and controls the elevating lever 202 for doing vertical spiral lifting by lifting motor 201;It is respectively mounted lifting device 2 on each cylinder 4,
The lifting motor 201 and lifting rod controller 203 of the lifting device 2 are fixed on 4 top of cylinder;The acquisition and controller 3
It is disposed therein the top of a cylinder 4;The elevating lever 202 of each lifting device 2 is solid with the survey pressure left and right end of baffle 1 respectively
It is fixed;Two cylinders 4 have the vertical groove 401 being oppositely arranged, and the both ends for surveying pressure baffle 1 are embedded in respectively in vertical groove 401, survey
Pressure baffle 1 moves up and down under the drive of elevating lever 202 along vertical groove;Cylinder 4 is distinguished at left and right sides of the Open Channel bottom
The baffle 7 that blocks water is set between ipsilateral channel side slopes, and cylinder 4 and the baffle 7 that blocks water are located on the same section of channel.Preferably,
The baffle 7 that blocks water is tempered glass baffle.Preferably, the height of the cylinder 4 and canal top are contour.
The utility model flow measuring system further includes power supply, and being includes lifting device 2, acquisition and controller 3, pressure sensing
Device power supply including system.The power supply is power supply.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of utility model patent protection scope, those skilled in the art are not departing under the enlightenment of the utility model
Under ambit protected by the claims of this utility model, replacement or deformation can be also made, each falls within the guarantor of the utility model
Within the scope of shield, the utility model is claimed range and should be determined by the appended claims.
Claims (9)
1. a kind of big flow open channel measuring automatically flow system, it is characterised in that: include:
Pressure baffle is surveyed, is arranged across free flow channel, length is matched with canal bottom width degree;
Lifting device connect including lifting motor and with lifting motor and is done by lifting motor control the lifting of vertical spiral lifting
Bar;
Pressure capsule system surveys the multiple pressure-measuring-point A and cloth of the upstream face of pressure baffle including being uniformly distributed in the horizontal direction
It is placed in the pressure-measuring-point B for surveying the side for being parallel to water (flow) direction of pressure baffle;
Acquisition and controller, connect with lifting motor signal, press for controlling the lifting motor of lifting device and then realizing survey
The control of baffle flow measurement height;Acquisition and controller are also connect with pressure capsule system signal simultaneously, for collecting pressure sensing
The data and utilization data calculating open channel flow rate that system measures.
2. big flow open channel measuring automatically flow system according to claim 1, it is characterised in that:
Pressure sensor, and the pressure sensor pressure tap face water (flow) direction are laid on the pressure-measuring-point A;
Pressure sensor is laid on the pressure-measuring-point B, and pressure sensor pressure tap direction is vertical with water (flow) direction.
3. big flow open channel measuring automatically flow system according to claim 2, it is characterised in that:
The pressure-measuring-point B be arranged in survey pressure baffle the side for being parallel to water (flow) direction middle part, and pressure-measuring-point B height with
Pressure-measuring-point A height is equal.
4. big flow open channel measuring automatically flow system according to claim 2, it is characterised in that:
The survey pressure baffle is I-steel, and the web including front and rear sides wing plate and between wing plates on two sides surveys pressure baffle
Be vertically oriented to by wing plates on two sides, web horizontally toward in a manner of across free flow channel be arranged;The pressure-measuring-point A is laid in wing plate
Upstream face, pressure-measuring-point B is laid in the middle part of web, and pressure-measuring-point B and pressure-measuring-point A are contour.
5. the big flow open channel measuring automatically flow system according to any one of claim 2-4, it is characterised in that:
The pressure sensor is Weighing type pressure sensor.
6. big flow open channel measuring automatically flow system according to claim 1, it is characterised in that:
Cylinder is equipped at left and right sides of the Open Channel bottom for surveying pressure baffle place canal cross section;The lifting device includes lifting
Motor and the elevating lever that vertical spiral lifting is connect and done by lifting motor control with lifting motor;Liter is respectively mounted on each cylinder
Falling unit;The elevating lever of each lifting device is fixed with the survey pressure left and right end of baffle respectively;Two cylinders, which have, to be oppositely arranged
Vertical groove, the both ends for surveying pressure baffle are embedded in vertical groove respectively, survey pressure baffle under the drive of elevating lever along vertical recessed
Slot moves up and down;The setting between ipsilateral channel side slopes blocks water baffle cylinder respectively at left and right sides of the Open Channel bottom, cylinder with
The baffle that blocks water is located on the same section of channel.
7. big flow open channel measuring automatically flow system according to claim 6, it is characterised in that:
The height of the cylinder is higher than the open channel water surface, and the lifting device is fixed at the top of cylinder;The acquisition and controller are set
Be placed in one the top of a cylinder.
8. big flow open channel measuring automatically flow system according to claim 6 or 7, it is characterised in that:
The cylinder is concrete column.
9. big flow open channel measuring automatically flow system according to claim 1, it is characterised in that:
The system is set on the typical section of channel.
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CN201820801584.6U CN208223565U (en) | 2018-05-28 | 2018-05-28 | A kind of big flow open channel measuring automatically flow system |
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CN201820801584.6U CN208223565U (en) | 2018-05-28 | 2018-05-28 | A kind of big flow open channel measuring automatically flow system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112052425A (en) * | 2020-08-31 | 2020-12-08 | 河南黄河河务局信息中心 | Automatic and accurate manual multi-sediment open channel flow metering method |
CN114250741A (en) * | 2022-01-20 | 2022-03-29 | 山东欧标信息科技有限公司 | Open channel type detection device for simulating different application scenes |
-
2018
- 2018-05-28 CN CN201820801584.6U patent/CN208223565U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112052425A (en) * | 2020-08-31 | 2020-12-08 | 河南黄河河务局信息中心 | Automatic and accurate manual multi-sediment open channel flow metering method |
CN112052425B (en) * | 2020-08-31 | 2022-01-14 | 河南黄河河务局信息中心 | Automatic and accurate manual multi-sediment open channel flow metering method |
CN114250741A (en) * | 2022-01-20 | 2022-03-29 | 山东欧标信息科技有限公司 | Open channel type detection device for simulating different application scenes |
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Legal Events
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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: 20181211 Termination date: 20200528 |