CN213657957U

CN213657957U - Channel measuring flowmeter with correction function

Info

Publication number: CN213657957U
Application number: CN202022782151.0U
Authority: CN
Inventors: 孙启玉; 许林周; 周建平; 刘玉峰; 谢丽娟
Original assignee: Shandong Fengshi Information Technology Co ltd
Current assignee: Shandong Fengshi Information Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-09
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a flowmeter is used in channel measurement from area correction function, including velocity of flow measuring instrument and liquid level gauge, velocity of flow measuring instrument and liquid level gauge pass through the central point of installing support fixed mounting directly over the channel and put, and fixed establishment fixedly connected with silt interface appearance is passed through to the bottom of channel, and silt interface appearance electric connection has intelligent flow integrating instrument, intelligent flow integrating instrument and velocity of flow measuring instrument electric connection, the utility model relates to a technical field is measured to the channel. This flowmeter is used in channel measurement from area correction function, through velocity of flow, the real-time velocity of flow and the liquid level of liquid level measurement appearance measurement, combine the real-time change value of silt thickness that silt interface appearance was measured, intelligent flow totalizer combines the section geometry parameter according to measured liquid level and mud level, calculates out real-time sectional area automatically, rectifies the section coefficient, and then according to the velocity of flow area method formula, seeks real-time accurate flow to the measurement accuracy of channel flow has been guaranteed.

Description

Channel measuring flowmeter with correction function

Technical Field

The utility model relates to a technical field is measured to the channel, specifically is a flowmeter is used in channel measurement from area correction function.

Background

The channel measuring flowmeter adopts a measuring and calculating mode with a channel section correcting function, has the characteristics of high measuring precision and low later maintenance cost, and ensures the real-time measuring precision of channel flow measurement. At present, the problems of severe installation environment, low measurement precision, high later maintenance cost and the like exist in the flow measurement of open channels in an irrigation area.

Particularly, the water quality of the yellow river diversion irrigation area has high sand content, the section of the channel is continuously changed along with the continuous deposition of the sand in the channel, the conventional flowmeter inputs related parameters into an acquisition control terminal of the flowmeter in the initial installation stage through flow rate determination, section coefficient correction and the like, the initial measurement precision can be ensured, but the section is changed along with the continuous increase of the deposition thickness in the channel, the conventional flowmeter needs to artificially measure the change condition of the section and inputs the change condition into the control terminal of the flowmeter for coefficient correction, the labor cost is increased, and the accuracy of the real-time measurement precision of the flow channel cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a from channel measuring flowmeter of taking correction function has solved current channel flowmeter and can't carry out the coefficient correction according to the situation of change of channel, can not guarantee channel flow real-time measurement precision's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a from channel of taking calibration function flowmeter for measurement, includes velocity of flow measuring instrument and liquid level gauge, velocity of flow measuring instrument and liquid level gauge pass through the central point of installing support fixed mounting directly over the channel and put, the bottom of channel is through fixed establishment fixedly connected with silt interface appearance, silt interface appearance has intelligent flow totalizer through wire electric connection, intelligent flow totalizer passes through wire and velocity of flow measuring instrument electric connection, intelligent flow totalizer passes through wire and liquid level gauge electric connection.

Preferably, the fixing mechanism comprises an installation box, the bottom of the inner wall of the installation box is fixedly connected with the bottom of the sludge interface instrument, the bottom of the installation box is fixedly connected with a cleaning mechanism, a detection hole is formed in the bottom of the installation box in a penetrating mode, and the detection hole is sealed by a transparent material.

Preferably, the cleaning mechanism comprises two guide rails, the two guide rails are fixed at the bottom of the installation box and located on two sides of the detection hole, and a cleaning brush is connected between the two guide rails in a sliding mode.

Preferably, the left side fixedly connected with mounting panel of mounting box bottom, the bottom on mounting panel right side is rotated through the pivot and is connected with the telescopic link, the output of telescopic link is rotated through the bottom of pivot and sweeper brush and is connected.

Preferably, the top fixedly connected with reset spring on mounting panel right side, the one end that reset spring kept away from the mounting panel is connected with the fixed surface of telescopic link.

Preferably, the four corners of the bottom of the installation box are fixedly connected with supporting legs, and the bottom ends of the supporting legs are conical.

Advantageous effects

The utility model provides a from channel measuring flowmeter of taking correction function. Compared with the prior art, the method has the following beneficial effects:

(1) the flowmeter with the correction function for channel measurement comprises a flow rate measuring instrument and a liquid level measuring instrument, wherein the flow rate measuring instrument and the liquid level measuring instrument are fixedly arranged at the central position right above a channel through a mounting bracket, the bottom of the channel is fixedly connected with a silt interface instrument through a fixing mechanism, the silt interface instrument is electrically connected with an intelligent flow integrating instrument through a lead, the intelligent flow integrating instrument is electrically connected with the flow rate measuring instrument through a lead, the intelligent flow integrating instrument is electrically connected with the liquid level measuring instrument through a lead, the real-time flow rate and the liquid level measured by the flow rate and liquid level measuring instrument are combined with the real-time change value of the silt thickness measured by the silt interface instrument, the intelligent flow integrating instrument automatically calculates the real-time section area according to the measured liquid level and the measured mud level and combines with section geometric parameters, corrects the section coefficient, and further calculates the real-time accurate flow, thereby ensuring the metering precision of the channel flow.

(2) The flowmeter with the correction function for channel measurement comprises an installation box through a fixing mechanism, the bottom of the inner wall of the installation box is fixedly connected with a sludge interface instrument, the bottom of the installation box is fixedly connected with a cleaning mechanism, the cleaning mechanism comprises two guide rails, the two guide rails are both fixed at the bottom of the installation box and positioned at two sides of a detection hole, a cleaning brush is slidably connected between the two guide rails, the left side of the bottom of the installation box is fixedly connected with an installation plate, the bottom of the right side of the installation plate is rotatably connected with a telescopic rod through a rotating shaft, the output end of the telescopic rod is rotatably connected with the bottom of the cleaning brush through the rotating shaft, the bottom of the installation box is provided with the detection hole in a penetrating way, the detection hole is sealed by a transparent material, the cleaning brush moves back and forth along the guide rails under the driving of the telescopic rod, the detection hole is, further improving the metering precision of the channel flow.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

fig. 2 is a sectional view of the installation box of the present invention;

fig. 3 is a bottom view of the installation box of the present invention.

In the figure: the device comprises a flow velocity measuring instrument 1, a liquid level measuring instrument 2, a fixing mechanism 3, a mounting box 31, a cleaning mechanism 32, a guide rail 321, a cleaning brush 322, a detection hole 33, a mounting plate 34, a telescopic rod 35, a return spring 36, a supporting leg 37, a sludge interface instrument 4, an intelligent flow integrating instrument 5 and a mounting bracket 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a flow meter with a correction function for channel measurement comprises a flow velocity measuring instrument 1 and a liquid level measuring instrument 2, wherein the flow velocity measuring instrument 1 can measure the real-time flow velocity of a channel, the liquid level measuring instrument 2 can measure the real-time liquid level of the channel, the flow velocity measuring instrument 1 and the liquid level measuring instrument 2 are fixedly arranged at the central position right above the channel through an installing support 6, the bottom of the channel is fixedly connected with a sludge interface instrument 4 through a fixing mechanism 3, the sludge interface instrument 4 can measure the real-time sludge thickness at the bottom of the channel, the fixing mechanism 3 comprises an installing box 31, supporting legs 37 are fixedly connected to four corners at the bottom of the installing box 31, the supporting legs 37 are elastic telescopic rods, the height of the installing box 31 can be adjusted according to the actual use condition, the bottom ends of the supporting legs 37 are conical, the installing box 31 is conveniently fixed at the bottom of the, the bottom of the installation box 31 is fixedly connected with a cleaning mechanism 32, the cleaning mechanism 32 comprises two guide rails 321, the two guide rails 321 are fixed at the bottom of the installation box 31 and positioned at two sides of the detection hole 33, a cleaning brush 322 is slidably connected between the two guide rails 321, the left side of the bottom of the installation box 31 is fixedly connected with an installation plate 34, the bottom of the right side of the installation plate 34 is rotatably connected with an expansion link 35 through a rotating shaft, the expansion link 35 is an electric expansion link and is connected with a control system and an external power supply through wires, the output end of the expansion link 35 is rotatably connected with the bottom of the cleaning brush 322 through a rotating shaft, the top of the right side of the installation plate 34 is fixedly connected with a return spring 36, one end of the return spring 36, which is far away from the installation plate 34, is fixedly connected with the surface of the expansion link 35, the detecting hole 33 is sealed by transparent material, the sealing material can be effectively sealed, and the detecting precision of the sludge interface instrument 4 is not influenced, the sludge interface instrument 4 is electrically connected with an intelligent flow integrating instrument 5 through a lead, the intelligent flow integrating instrument 5 combines the geometric parameters of the section according to the measured liquid level and the measured sludge level, the real-time section area is automatically calculated, the section coefficient is corrected, and then the real-time accurate flow is obtained according to the formula of the flow velocity area method, so that the measuring precision of the channel flow is ensured, the intelligent flow integrating instrument 5 is electrically connected with the flow velocity measuring instrument 1 through a lead, and the intelligent flow integrating instrument 5 is electrically connected with the liquid level measuring instrument 2 through a lead.

During the use, open flow velocity measurement appearance 1 through control panel, level gauge 2, silt interface appearance 5 and intelligent flow totalizer 5, flow velocity measurement appearance 1 work measures the surface velocity of water in the channel, and convert measured velocity of flow into the signal of telecommunication and convey to intelligent flow totalizer 5, level gauge 2 work, measure the height of water level in the channel, and convert measured water level height into the signal of telecommunication and convey to intelligent flow totalizer 5, silt interface appearance 4 works, measure the thickness of channel bottom silt, and convert measured silt thickness into the signal of telecommunication and convey to intelligent flow totalizer 5, intelligent flow totalizer 5 is through constantly checking up, constantly carry out finite element analysis and correction to the computational model, finally acquire the mathematical model of the surface velocity of flow of different sections and section average velocity of flow. According to the built-in water conservancy model of flowmeter, will record the surface velocity of flow and turn into the average velocity of flow of section, according to measuring liquid level and mud level, combine section geometric parameters, real-time section area is worked out automatically, and then according to velocity of flow area method formula, try to obtain the real-time accurate flow of channel, when needing clean inspection hole 33, open telescopic link 35 through seeing control panel, telescopic link 35 is flexible to be driven cleaning brush 322 and is followed guided way 321 reciprocating motion, make cleaning brush 322 make a round trip to clean inspection hole 33, prevent that inspection hole 33 from piling up silt, influence the detection precision of silt interface appearance 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from flowmeter for channel measurement of taking calibration function, includes velocity of flow measuring apparatu (1) and liquid level measurement appearance (2), its characterized in that: flow velocity measurement appearance (1) and liquid level measurement appearance (2) are put through the central point directly over the channel through installing support (6) fixed mounting, fixed establishment (3) fixedly connected with silt interface appearance (4) are passed through to the bottom of channel, silt interface appearance (4) have intelligent flow integrating instrument (5) through wire electric connection, intelligent flow integrating instrument (5) are through wire and flow velocity measurement appearance (1) electric connection, intelligent flow integrating instrument (5) are through wire and liquid level measurement appearance (2) electric connection.

2. The flowmeter for measuring a channel with a correction function as claimed in claim 1, wherein: fixed establishment (3) are including install bin (31), the bottom of install bin (31) inner wall and the bottom fixed connection of silt interface appearance (4), the bottom fixed connection of install bin (31) cleans mechanism (32), the bottom of install bin (31) is run through and has been seted up inspection hole (33), inspection hole (33) are sealed by transparent material.

3. The flowmeter for measuring a channel with a correction function as claimed in claim 2, wherein: cleaning mechanism (32) include two guided way (321), two guided way (321) are all fixed in the bottom of install bin (31) and are located the both sides of inspection hole (33), two sliding connection has cleaning brush (322) between guided way (321).

4. The flowmeter for measuring a channel with a correction function as claimed in claim 3, wherein: the left side fixedly connected with mounting panel (34) of install bin (31) bottom, the bottom on mounting panel (34) right side is rotated through the pivot and is connected with telescopic link (35), the output of telescopic link (35) is rotated through the bottom of pivot and sweeper brush (322) and is connected.

5. The flowmeter for measuring a channel with a correction function as claimed in claim 4, wherein: the top fixedly connected with reset spring (36) on mounting panel (34) right side, reset spring (36) keep away from the one end of mounting panel (34) and the fixed surface of telescopic link (35) is connected.

6. The flowmeter for measuring a channel with a correction function as claimed in claim 2, wherein: the equal fixedly connected with supporting leg (37) in four corners of install bin (31) bottom, the bottom of supporting leg (37) is the toper.