CN210513254U - River course flow on-line monitoring device - Google Patents
River course flow on-line monitoring device Download PDFInfo
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- CN210513254U CN210513254U CN201921388126.5U CN201921388126U CN210513254U CN 210513254 U CN210513254 U CN 210513254U CN 201921388126 U CN201921388126 U CN 201921388126U CN 210513254 U CN210513254 U CN 210513254U
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Abstract
The utility model provides a river course flow on-line monitoring device, include: the system comprises at least two current meters, at least one radar water level gauge, a data acquisition and processing unit and a power supply unit; the data acquisition and processing unit and the power supply unit are fixed at the bank position of the river channel, and the at least two flow velocity meters are arranged at any positions of two sides of the body in the river section; the radar water level gauge is fixed above the river channel. The utility model discloses a river course flow on-line monitoring device can choose different installation scheme for use according to different on-the-spot condition, and all installation schemes are originally installing, maintain convenient intention design.
Description
Technical Field
The utility model belongs to the technical field of river course flow measurement, especially, relate to a river course flow on-line monitoring device.
Background
The two-line energy slope flow measurement method is a flow meter method which is a fifth type flow measurement method combining a flow meter method and a hydraulic formula method in four types of flow measurement methods of a flow meter method, a hydraulic formula method, a solution dilution method and a volume method, and is combined with advanced Doppler/flow meter flow measurement equipment, a communication technology and a computer technical means to form an automatic flow measurement system. The method is widely applied to flow measurement of natural riverways and the like.
A large number of measured data prove that the flow velocity of the vertical line is distributed along the width of the cross section and is similar to the inverted water cross section. The analysis demonstration, the experiment in a hydraulics laboratory and the actual measurement data of standard rectangular and triangular sections prove that: the flow velocity formula of any vertical line in the rectangular cross section is the average value of the average flow velocities of the left and right cross sections of the vertical line, and is multiplied by a coefficient related to the width-depth ratio of the cross section; the flow velocity formula of any vertical line in the triangular section is the average value of the average flow velocities of the left and right sections of the vertical line, and is multiplied by a coefficient related to the slope coefficient of the triangle; and (3) obtaining the flow velocity of any vertical line in the irregular cross section by taking the non-water-passing area between the two water passing cross sections as a weight through the difference between the flow velocity of the vertical line in the rectangular cross section with the same water depth and water surface width and the flow velocity of the vertical line in the triangular cross section through an interpolation method, namely obtaining a vertical line flow velocity model. The energy slope is an important parameter when the flow velocity of each vertical line is calculated by using the Manning formula, and the flow velocity of each vertical line can be calculated by using the energy slope. And (3) reversely solving the water surface gradient by taking the actually measured vertical line flow velocity as a known condition according to the vertical line flow velocity model, namely solving the energy slope.
At present, no special device is used for measuring the two-line energy slope flow measuring method.
SUMMERY OF THE UTILITY MODEL
The utility model provides a river course flow on-line monitoring system, it includes velocity of flow sensor, level sensor, data acquisition and processing unit, power supply unit and equipment fixing support at least. The flow velocity sensor and the water level sensor complete the work of on-site river channel section data acquisition, including water level and flow velocity acquisition; the data acquisition and processing unit calculates the average flow velocity, the instantaneous flow and the accumulated flow of the river channel in real time according to the returned flow velocity and water level data, and can transmit the real-time flow data of the river channel to the data center server through a GPRS/3G/4G/Nb-Iot/optical fiber network, thereby providing reliable and accurate river channel flow data for users. The utility model adopts the technical proposal that: the utility model relates to an equipment installation scheme based on a two-line energy slope flow measurement algorithm, which comprises a current meter 1, a current meter installation support 2, a radar water level meter 3, a radar water level meter installation support 4, a data acquisition processing unit 5 and a power supply unit 6; the current meter support is divided into surface mounting and river bottom mounting, and surface mounting is pole setting posture, can conveniently dismantle, and river bottom mounting adopts folding frame installation or slide formula installation, makes things convenient for the maintenance of the bottom of a canal equipment. The radar water level gauge adopts a vertical rod support mounting mode or a beam hoop type mounting mode is adopted in a river channel of a hydraulic building.
The utility model provides a river course flow on-line monitoring device, include: the system comprises at least two current meters, at least one radar water level gauge, a data acquisition and processing unit and a power supply unit; the data acquisition and processing unit and the power supply unit are fixed at the bank position of the river channel, and the at least two flow velocity meters are arranged at any positions of two sides of the body in the river section; the radar water level gauge is fixed above the river channel.
The flow meter is used for measuring the flow velocity of the cross section vertical line in real time; the radar water level gauge measures the section water level in real time; the data acquisition and processing unit calculates the average flow velocity, the instantaneous flow and the accumulated flow of the river according to the flow velocity and water level data transmitted back in real time.
Wherein, the at least two flow velocity meters are arranged on the slideway or the folding frame or the buoy.
Wherein, two at least current meters are installed on the pole-standing support frame.
Wherein the flow meter is a Doppler flow meter.
The utility model discloses a river course flow on-line monitoring device can choose different installation scheme for use according to different on-the-spot condition, and all installation schemes are originally installing, maintain convenient intention design.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of an online flow monitoring device according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of the vertical rod type support bracket of the present invention;
fig. 3 is a schematic structural diagram of an online flow monitoring device according to a second embodiment of the present invention;
FIG. 4 is a schematic structural view of a floating mounting bracket according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an online flow monitoring device according to a third embodiment of the present invention;
fig. 6 is a schematic structural view of a slideway type mounting bracket according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of an online flow monitoring device according to a fourth embodiment of the present invention;
fig. 8 is a schematic structural view of a folding frame type mounting bracket according to a fourth embodiment of the present invention.
Detailed Description
To facilitate understanding of the present invention, embodiments of the present invention will be described below with reference to the accompanying drawings, and it should be understood by those skilled in the art that the following description is only for convenience of explanation of the present invention and is not intended to specifically limit the scope thereof.
Fig. 1 is the utility model discloses a river course flow on-line monitoring device schematic diagram of first embodiment. As shown in fig. 1, the utility model discloses a data such as non-contact electric wave velocity of flow appearance and radar fluviograph are measured rivers velocity of flow and water level, non-contact electric wave velocity of flow appearance and radar fluviograph set up on pole setting formula support frame, non-contact electric wave velocity of flow appearance mainly used measures rivers velocity of flow, the water level in river course is measured to the radar fluviograph. The pole setting formula support frame sets up the river bank limit in the river course, and the foundation that the pole setting formula supported adopts concrete placement to guarantee that the installation is reliable. In addition, can set up data acquisition processing unit and power supply unit respectively in the river bank both sides, power supply unit includes power supply. And the radar water level gauge and the current meter transmit data signals to the data acquisition and processing unit through a signal cable or a wireless signal transmission module. When the current meter is disposed above the river, it is preferable to use a non-contact type electric wave current meter, and when the current meter is disposed in the river, it is preferable that the current meter be a contact type doppler current meter.
Fig. 2 is a schematic view of a vertical rod type support frame structure arranged on two sides of a river channel. The upright rod type support frame is installed on two sides of a river channel and comprises a first vertical rod 1-1 and a first cross rod 1-5 vertically arranged with the first vertical rod, a connecting part is arranged between the first vertical rod 1-1 and the first cross rod 1-5, a first inclined support rod 1-3 is further arranged between the first vertical rod 1-1 and the first cross rod 1-5, a first cross rod sliding hoop 1-2 is arranged between the first inclined support rod 1-3 and the first vertical rod 1-1, in order to further improve the supporting effect of the first cross rod 1-5 and avoid the damage caused by bending or uneven stress, a second cross rod sliding hoop is arranged between the end part of the first cross rod 1-5 far away from the first vertical rod 1-1 and the connecting position of the first cross rod 1-5 and the first inclined support rod 1-3 Clamp 1-4, second horizontal pole slip clamp 1-4 cover is established on first horizontal pole 1-5, be provided with the restriction on first horizontal pole 1-5 the restriction the removal of second horizontal pole slip clamp 1-4's restriction part makes the activity of second horizontal pole slip clamp 1-4 is restricted within certain distance 1-4 is further provided with solid fixed ring on the second horizontal pole slip clamp fixedly connected with stay cord 1-6 on the solid fixed ring, stay cord 1-6 passes the supporting component who is located first montant top, later is fixed in the preset position of bottom surface.
A radar water level gauge is arranged at the end part of the first cross rod, which is far away from the first vertical rod; two current meters are installed in river course section both sides plumb line position, and are preferred the current meter is non-contact electric wave current meter, the optional position in hong both sides in both sides is selected to both sides plumb line position, and the radar fluviograph is installed on the pole setting formula support frame of river bank one side, or all sets up pole setting formula support frame in both sides, and all installs the radar fluviograph on every pole setting formula support frame. The mounting position of the radar water level gauge is adjustable, and the length of a cross arm of the upright rod support frame can be set according to the lowest water level of a river channel. The foundation that pole setting formula was supported adopts concrete placement to guarantee the installation reliable.
Fig. 3 is a schematic structural diagram of an online flow monitoring device according to a second embodiment of the present invention. Compared with the first embodiment, in the second embodiment, the data acquisition and processing unit 5 and the power supply unit 6 are still arranged on the river bank, and a beam is further arranged, and the beam can be supported by a vertical rod and also can be erected on supporting parts on two sides of a river channel; the cross beam is sleeved with a cross beam support frame, the cross beam support frame is connected to a buoy through a pull rod, and a flow velocity meter is installed on the buoy and is preferably a contact acoustic Doppler flow velocity meter. The radar water level gauge is installed below the cross beam in a hoop bracket mode by means of the cross beam. In order to ensure that the current meter is not covered by floating objects, it is preferable to install the doppler current meter along the direction of water flow.
Fig. 4 is a schematic structural view of a floating mounting bracket according to a second embodiment of the present invention. The floating type mounting bracket comprises at least one cross beam support frame 2-1, a pull rod 2-2, a float 2-3 and an adjustable clamp 2-4 of a flow meter.
The cross beam support frame 2-1 comprises a first transverse extension frame plate, a first vertical support and a second vertical support, the first transverse extension frame plate is located on the upper surface of the cross beam, the two ends of the first transverse extension frame plate extend out of the cross beam respectively, the first vertical support and the second vertical support are connected to the two ends of the first transverse extension frame plate through connecting parts respectively, the first vertical support and the first transverse extension frame plate are provided with four mounting fixing points in order to guarantee the connection firmness of the first vertical support and the second vertical support with the first transverse extension frame plate, and the top end of the first vertical support is of a branched structure, so that the contact position of the first transverse extension frame plate is doubled, and further, the connection firmness is improved. The second vertical support and the first transversely extending frame plate are provided with four mounting fixing points, the top end of the second vertical support is of a branched structure, so that the contact position of the second vertical support and the contact position of the first transversely extending frame plate are doubled, the connection firmness is improved, and water impact is avoided, and the cross beam support structure is damaged. The first vertical support and the second vertical support are provided with openings at the ends adjacent to the transversely extending frame plate, and are provided with closed structures at the ends far away from the transversely extending frame plate.
The connecting rod 2-2 comprises a first connecting rod and a second connecting rod, the upper end of the first connecting rod is connected to the first vertical support, the upper end of the second connecting rod is connected to the second vertical support, the lower end of the first connecting rod and the lower end of the second connecting rod are connected to the buoy 2-3, the buoy 2-3 is connected between the first connecting rod and the second connecting rod, a current meter is arranged on the buoy 2-3, and the current meter is fixed on the buoy through a hoop 2-4. The installation of current meter is not restricted to the clamp, also adopts adjustable support, can adjust the specific installation angle of current meter through adjustable support. The installation mode can be installed by means of a hydraulic building.
Fig. 5 is a schematic structural diagram of an online flow monitoring device according to a third embodiment of the present invention. Compared with the first embodiment, in this third embodiment, the data acquisition and processing unit 5 and the power supply unit 6 are still disposed on the river bank, and the vertical rod type support frame is installed on any one of two sides of the river channel, and the vertical rod type support frame may have a structure as shown in fig. 2, or may be changed and adjusted based on fig. 2. And a radar water level gauge is arranged at the end part of the first cross rod, which is far away from the first vertical rod. The current meter of this embodiment is contact acoustics Doppler current meter, and for guaranteeing that the velocity of flow measures the accuracy, the current meter adopts the installation at the bottom of the canal, for making the current meter normally install under the condition that has water, the current meter adopts the slide formula installation. The current meter is arranged on the sliding block, so that the current meter can be conveniently checked and installed. As shown in fig. 5, the slideway type mounting bracket structures are symmetrically arranged on two sides of the river channel, at least one current meter is arranged on each slideway type mounting bracket, and the current meter positioned on one side of the mounting bracket in the river channel and the at least one current meter positioned on the other side of the mounting bracket in the river channel detect the flow velocity of water flow in the river channel.
Fig. 6 is a schematic structural view of a slide type mounting bracket according to a third embodiment of the present invention. The slide way type mounting bracket comprises a slide rail 3-1, a pull rod 3-2, a rotating shaft 3-3, a sliding support plate 3-4 and a current meter hoop 3-5. The slide rail 3-1 comprises a first portion arranged along the side face of a river channel and a second portion arranged along the bottom of the river channel, a third portion with excessive arc is arranged between the first portion and the second portion, the slide rail 3-1 comprises a first rail and a second rail, clamping structures matched with the side edges of the sliding support plates 3-4 are arranged on the first rail and the second rail, and the sliding support plates 3-4 can slide on the slide rail 3-1 without being separated from the rails through the clamping structures and can bear the impact force of water flow. The sliding support plate 3-4 slides normally along the sliding rail 3-1, so that the maintenance is convenient. The sliding support plate 3-4 is provided with a rotating shaft, the pull rod 3-2 is connected to the sliding support plate 3-4 through the rotating shaft, the pull rod 3-2 can extend to the bank of a river to facilitate pulling of the sliding support plate 3-4, and the sliding support plate 3-4 can move along the sliding rail 3-1 by pulling the sliding support plate 3-4.
The flow meter clamping device is characterized in that a flow meter support plate is arranged on the sliding support plate 3-4, the flow meter support plate preferably adopts a porous structure, a flow meter hoop is arranged on the flow meter support plate, the flow meter is fixed on the sliding support plate 3-4 through the flow meter hoop 3-5, in addition, other adjustable components can be adopted to replace the flow meter hoop, and the adjustable components can be adjusted and changed, the alignment position of the flow meter and the installation angle of the flow meter can be adjusted.
Fig. 7 is a schematic structural diagram of an online flow monitoring device according to a fourth embodiment of the present invention. Compared with the first embodiment, in the fourth embodiment, the data acquisition and processing unit 5 and the power supply unit 6 are still disposed on the river bank, and the vertical rod type support frame is installed on any one of two sides of the river channel, and the vertical rod type support frame may have a structure as shown in fig. 2, or may be changed and adjusted based on fig. 2. And a radar water level gauge is arranged at the end part of the first cross rod, which is far away from the first vertical rod. The utility model discloses a current meter of fourth embodiment is contact acoustics Doppler current meter, and it is accurate to measure for guaranteeing the velocity of flow, and the current meter adopts the installation at the bottom of the canal, and for making the current meter normally install under having the water condition, the current meter adopts and rolls over a formula installation. The current meter is installed at the lower carriage, and the lower carriage can conveniently be followed and mentioned under water through the pivot, conveniently maintains the maintenance. As shown in fig. 7, folding frame type mounting bracket structures are symmetrically arranged on two sides of the river channel, at least one current meter is arranged on each folding frame type mounting bracket, and the current meter positioned on one side of the mounting bracket in the river channel and the at least one current meter positioned on the other side of the mounting bracket in the river channel detect the flow velocity of water flow in the river channel.
Fig. 8 is a schematic structural view of a folding frame type mounting bracket according to a fourth embodiment of the present invention. The folding frame type mounting bracket comprises an upper bracket 4-1, a rotating shaft 4-2, a lower bracket 4-3 and a current meter hoop 4-4. The upper support 4-1 is fixed on a revetment of a river channel, the lower support 4-3 is connected with the upper support through a rotating shaft 4-2, the lower support 4-3 can pivot around the rotating shaft, the rotating shaft further comprises an angle clamping component, a preset angle is formed between the lower support 4-3 and the upper support 4-1 through the angle clamping component, the end part, far away from the upper support 4-1, of the lower support 4-3 is provided with a triangular structure, and a flow velocity meter is fixed on the end part of the lower support 4-3 through a hoop. As a further option, a plurality of hoops can be arranged on the lower bracket 4-3, the hoops are distributed at intervals, and a flow meter is arranged at each hoop position. A fixed part is arranged at the middle part of the lower bracket 4-3, a pull rope can be arranged at the fixed part, and the angle of the lower bracket 4-3 relative to the upper bracket 4-1 is controlled by the pull rope. The measuring position of the current meter can be adjusted through the up-and-down rotation of the lower bracket 4-3, and the maintenance is convenient. Furthermore, the flow velocity meter support plate on the lower support 4-3 adopts a porous structure, and the installation angle of the flow velocity meter can be adjusted.
As a further improved embodiment, a slideway type and a folding frame type mounting bracket can be combined in the river channel, the slideway type mounting bracket is arranged on one side of the river channel, and the folding frame type mounting bracket is arranged on the other side of the river channel; the floating installation structure can also be combined with a slideway type, a folding frame type installation support or a vertical rod type support. As for the first to fourth embodiments described above, arbitrary combinations may be made with each other as necessary; when the current meter is disposed above the river, a non-contact type electric wave current meter is preferably used, and when the current meter is disposed in the river, the current meter is preferably a contact type doppler current meter. Velocity of flow appearance and radar fluviograph can cooperate the setting with the support as required, and above-mentioned all changes and combination all belong to the utility model discloses a protection scope. The utility model discloses a river course flow on-line monitoring device can choose different installation scheme for use according to different on-the-spot condition, and all installation schemes are originally installing, maintain convenient intention design.
It is to be understood that while the present invention has been disclosed in terms of the preferred embodiment, it is not intended to limit the invention to the disclosed embodiment. To anyone skilled in the art, without departing from the scope of the present invention, the technical solution disclosed above can be used to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (6)
1. The utility model provides a river course flow on-line monitoring device, includes: the system comprises at least two current meters, at least one radar water level gauge, a data acquisition and processing unit and a power supply unit; the method is characterized in that: the data acquisition and processing unit and the power supply unit are fixed at the bank position of the river channel, and the at least two flow velocity meters are arranged at any positions of two sides of the body in the river section; the radar water level gauge is fixed above the river channel.
2. The river course flow online monitoring device of claim 1, wherein: the current meter measures the flow velocity of the cross section vertical line in real time; the radar water level gauge measures the section water level in real time; the data acquisition and processing unit calculates the average flow velocity, the instantaneous flow and the accumulated flow of the river according to the flow velocity and water level data transmitted back in real time.
3. The river course flow online monitoring device of claim 1, wherein: the at least two flow velocity meters are arranged on the slide way or the folding frame or the buoy.
4. The river course flow online monitoring device of claim 1, wherein: the at least two flow velocity meters are arranged on the vertical rod type supporting frame.
5. The river course flow online monitoring device of claim 1, wherein: the current meter is a Doppler current meter or a radio wave current meter.
6. The river course flow online monitoring device of claim 5, wherein: the electric wave current meter is positioned above the river channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388126.5U CN210513254U (en) | 2019-08-23 | 2019-08-23 | River course flow on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388126.5U CN210513254U (en) | 2019-08-23 | 2019-08-23 | River course flow on-line monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN210513254U true CN210513254U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921388126.5U Expired - Fee Related CN210513254U (en) | 2019-08-23 | 2019-08-23 | River course flow on-line monitoring device |
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| Country | Link |
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| CN (1) | CN210513254U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396023A (en) * | 2022-01-20 | 2022-04-26 | 唐山现代工控技术有限公司 | Section array scanning flow measurement gate and method |
| CN114719139A (en) * | 2022-04-11 | 2022-07-08 | 李霞 | River course velocity of flow monitoring devices convenient to withdraw |
-
2019
- 2019-08-23 CN CN201921388126.5U patent/CN210513254U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396023A (en) * | 2022-01-20 | 2022-04-26 | 唐山现代工控技术有限公司 | Section array scanning flow measurement gate and method |
| CN114719139A (en) * | 2022-04-11 | 2022-07-08 | 李霞 | River course velocity of flow monitoring devices convenient to withdraw |
| CN114719139B (en) * | 2022-04-11 | 2023-09-12 | 四川省水利科学研究院 | River channel flow velocity monitoring device convenient to withdraw |
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Granted publication date: 20200512 |