CN211504261U - Integrated flow measuring device for unsatisfied pipe - Google Patents

Abstract

The utility model relates to an open channel current surveying technical field, in particular to not full pipe integration current surveying device, the device include flow measurement module, liquid level measurement module, device box and controller, flow measurement module set up in device box both sides are used for measuring the velocity of flow value signal of rivers in the device box, liquid level measurement module sets up device box water outlet department for the liquid level value signal of rivers in the measuring device box, the controller is connected with flow measurement module, liquid level measurement module respectively for calculate the rivers flow through the box according to velocity of flow value signal, the liquid level value signal that acquire. An object of the utility model is to provide an integrated current surveying device of not full pipe to solve current open channel current surveying equipment and can only full pipe current surveying or not full pipe current measure inaccurate, the problem that function singleness, integrated level are low.

Description

Integrated flow measuring device for unsatisfied pipe

Technical Field

The utility model relates to an open channel current surveying technical field, in particular to not full pipe integration current surveying device.

Background

The open channel flow monitoring data is an important parameter in actual production and life, in the prior art, the equipment function applied to open channel automatic monitoring control is too single, the integration level is low, the measurement precision is low, the completion of one project can be simply measured by matching multiple devices, thus not only the project cost is increased, but also the installation and debugging are very complicated, the deployment needs to occupy a large amount of space, the number of accessories is large, the maintenance is very inconvenient, and in addition, the reliability problems of complex system wiring and use can be brought by the excessive devices.

Therefore, in order to solve the above problems, it is necessary to provide an integrated flow measurement device and method for an open channel, which can not only measure the flow velocity of the open channel, but also accurately measure the liquid level of the open channel, thereby improving the measurement accuracy of small flow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a not full pipe integration current surveying device to solve current open channel current surveying equipment can only full pipe current surveying, the problem that the function is single, the integrated level is low.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides an unsatisfied tub of integration flow measuring device, includes flow measurement module, level measurement module, device box and controller, flow measurement module set up in device box both sides are used for measuring the velocity of flow value signal of rivers in the device box, level measurement module sets up device box water outlet department for the liquid level value signal of rivers in the measuring device box, the controller is connected with flow measurement module, level measurement module respectively for gather and control data.

Preferably, the flow measurement module comprises a transducer mounting plate and a transducer, the transducer mounting plate is arranged at one end of two side plates of the device box body, and the transducer is embedded in the transducer mounting plate.

Preferably, the transducers are close to the bottom end of the transducer mounting plate in a dense arrangement mode, and the transducers are close to the top end of the transducer mounting plate in a sparse arrangement mode.

Preferably, the transducers are eight, with the spacing near the bottom being less than the spacing near the top.

Preferably, the liquid level measuring module comprises an ultrasonic distance measuring sensor module and a capacitance liquid level sensor module

A block, the controller and the flow measurement sensor module, the ultrasonic ranging sensor module and the

The capacitance liquid level sensor module is connected through a 485 bus.

Preferably, the device box is a square box, the front and the back of the device box are provided with a water inlet water pouring sheet and a water outlet water pouring sheet, and the water pouring sheet is provided with a water outlet for pouring fish bones.

Preferably, the top end of the square box body is provided with a square hole groove, and the controller is installed through a buckle.

Preferably, the controller is externally provided with a transparent protective cover.

Preferably, the method further comprises the following steps:

the controller is in an awakening mode under the condition of water flow, collects flow data in real time, stores the flow data in time, reports the data once within T1 time, and reports the data once within T2 time under the condition of no water flow;

the controller is characterized in that the fitting relation Q of liquid level, flow rate and flow rate, which is arranged inside the controller, is H, W, V, H is the liquid level height, W is the width, V is the average flow rate of a cross section, and the average flow rate is used when the controller reads the liquid level and the flow rate value, and the real-time flow rate is calculated through the fitting relation.

Preferably, the calculating the real-time flow rate by fitting the relationship further includes: making a fitted curve as 3 linear tests, wherein X represents the measured linear velocity, Y is the fitted cross-sectional velocity, and A, B is a coefficient;

under different speeds of V1, V2 and V3, corresponding to A1\ B1, A2\ B2 and A3\ B3, different fitting formulas are selected in different speed areas ([0, V1], [ V1, V2], [ V2 and V3]), so that speed correction is achieved;

preferably, the correction of the liquid level further comprises zero calibration and full-scale calibration of the two liquid levels, obtaining a liquid level region [ Hmin, Hmax ] through the signal condition of the flow measuring sensor, simultaneously measuring a non-contact liquid level H1 and a contact liquid level H2, judging whether the liquid levels are normal or not and determining a final liquid level H value.

Compared with the prior art, the utility model have following advantage:

1. the utility model adopts the measurement and control method, the controller is switched between the low power consumption mode and the wake-up mode, and simultaneously, the solar power supply scheme is adopted, so that the energy is saved; the utility model discloses an intelligence method of reporting accelerates the collection frequency and reduces the reporting interval time under the rivers condition, reduces the collection frequency or does not gather and increase the reporting interval time under the no rivers condition.

2. The utility model discloses establish the transducer mounting panel device box both sides, the transducer is installed on the transducer mounting panel, adopt the low close high mode of arranging of dredging, improve the accuracy of flow measurement under low liquid level, the trickle.

3. The utility model discloses with level measurement and velocity of flow measurement integration, form the current surveying device of integration, have and occupy small, install, dismantle convenient, characteristics such as long service life.

4. The utility model transmits the collected flow velocity value and level value signals to the controller; the controller is inside to be equipped with the fitting relation Q ═ H W V of liquid level, velocity of flow and flow, and H is the liquid level height, and W is the width, and V is the average velocity of flow in cross section, works as when the controller reads liquid level and velocity of flow value, calculates real-time flow through the fitting relation, forms the mode that the pipe is not filled and surveys the flow, and is accurate reliable.

5. The utility model discloses install the level measurement module in square box delivery port water-pouring piece intracavity, be equipped with the fishbone mouth of a river of crossing on the water-pouring piece, improve anti jam ability.

Drawings

Fig. 1 is a structural diagram of an integrated flow measurement device for an underfilled pipe of the present invention;

FIG. 2 is a transducer layout of the underfill-tube integrated flow device of FIG. 1;

FIG. 3 is an electrical connection diagram of a blind pipe integrated flow measurement device shown in FIG. 1;

description of reference numerals:

1-a water inlet backflow sheet, 2-a square box body, 3-a flow measurement module, 4-an energy converter, 5-a liquid level measurement module, 6-a water outlet backflow sheet cavity, 7-a water outlet backflow sheet, 8-a controller and 9-a transparent protective cover.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiment is a module embodiment of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope protected by the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the embodiment provides an integrated flow measurement device for an unfilled pipe, which includes a water inlet backflow sheet 1, a square box body 2, a flow measurement module 3, a transducer 4, a liquid level measurement module 5, a water outlet backflow sheet cavity 6, a water outlet backflow sheet 7, a controller 8 and a transparent protective cover 9, wherein the water inlet backflow sheet 1 is fastened and connected with the front end of the square box body 2 through a screw, so that water flows into the square box body 2 stably; the water outlet water pouring sheet 7 is fixed at the rear end of the square box body 2 through screws, a water outlet for pouring fishbone is arranged on the water outlet water pouring sheet 7 and used for preventing silt from depositing, the liquid level measuring module 5 is installed in the water outlet water pouring sheet cavity 6, the liquid level measuring module 5 adopts a redundant design of a contact capacitance liquid level measuring method and a non-contact ultrasonic measuring method, and the precision and the stability are improved through combined measurement; the transducer mounting plates are embedded on two sides of a notch on the inner side of the square box body 2 through screws, the transducers 4 are mounted on the mounting plates through screws, a square hole groove is formed in the top end of the square box body 2, the controller 8 is mounted through a buckle, and the controller 8 is electrically connected with the flow measurement module 3 and the liquid level measurement module 5 respectively and used for collecting and controlling data; the controller 8 is externally provided with the transparent protective cover 9 for preventing the controller 8 from being damaged.

As shown in fig. 2, in the embodiment of the integrated flow measuring device for the discontented pipe, a plurality of layers of transducers 4 are arranged on the transducer mounting plate, and the arrangement pitches of the transducers 4 are different, wherein the pitch L0 is not less than L1 is not less than L2 is not less than L3 is not less than L4 is not less than L5 is not less than L6, the pitch near the bottom is smaller than the pitch near the top, and the transducers are arranged in a low-density and high-density manner, so that the measurement accuracy of the small flow can be improved.

As shown in fig. 3, further, in the embodiment of the disclosed integrated flow measurement device for the discontent pipe, the controller is connected with the solar panel, the lithium battery, the controller, the flow measurement sensor module, the ultrasonic distance measurement sensor module, the capacitive liquid level sensor module, the wireless communication module and the GPRS module, the controller is connected with the flow measurement sensor module, the ultrasonic distance measurement sensor module and the capacitive liquid level sensor module through 485 buses, and a controllable power supply is used for supplying power to each module, so as to reduce power consumption; the solar panel and the lithium battery are connected with the controller to supply power to the controller; the controller is integrated with a wireless module and a GPRS module, the wireless module adopts a Lora wireless scheme, and equipment data can be transmitted through Lora or through GPRS so as to realize a remote wireless monitoring function.

The utility model discloses a less than pipe integration current surveying method as follows:

fixing the square box body at a certain position of the open channel, installing all components including a controller, judging the flow and the sedimentation condition by the bottom transducer, and comprehensively processing signals of the transducer so as to monitor the flowing speed value of the liquid in the square box body in real time; the liquid level measuring module monitors the liquid level value of the liquid in the square box body in real time and transmits the collected flow rate value and liquid level value signals to the controller; calculating real-time flow in the controller through a formula; the controller can judge whether the acquisition is needed or not by judging whether the flow rate or the water state exists or not, so that the controller can be switched between a low power consumption mode and an awakening mode to save power consumption; the controller is in an awakening mode under the condition of water flow, collects flow data in real time, stores the flow data in time, reports the data for one time, such as 1h-3h, in a T1 time, and reports the data for one time in a T2 time under the condition of no water flow, wherein the T2 time is longer than the T1 time, such as 6-10h, so that power consumption is saved.

Further, in the embodiment, an integrated flow measuring method for a pipe with less than one pipe is disclosed, and a method for acquiring liquid level and a method for acquiring flow are provided. For example, the following steps are carried out: according to the scheme, 3-segment linear verification is carried out according to an actual situation, Y is A (X-B), wherein X represents a measured linear speed, Y is a fitted section surface speed, A1\ B1, A2\ B2 and A3\ B3 are correspondingly arranged under different speeds of V1, V2 and V3, and different fitting formulas are selected in different speed areas ([0, V1], [ V1, V2], [ V2 and V3]), so that speed correction is achieved; the correction of the liquid level firstly carries out zero calibration and full-scale calibration on the two liquid levels, so that the accuracy and precision of the single measurement are ensured; however, due to the fact that water flow fluctuation is unstable in an application site, measurement data can deviate too much, and measurement is inaccurate, so that two modes and a flow measurement sensor are adopted for data integration and mutual inspection; the liquid level greatly-caused region [ Hmin, Hmax ] can be obtained by measuring the signal condition of a flow sensor, meanwhile, a non-contact liquid level H1 and a contact liquid level H2 are measured, whether the liquid levels are normal or not can be judged and a final liquid level H value (possibly (H1+ H2)/2, H1, H2, [ Hmin, Hmax ] intermediate value and the like) can be determined by analyzing a software analysis book, and after the liquid level data and the cross-sectional flow rate are known, the flow can be obtained by Q ═ H ═ W.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or modules or all technical features thereof may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides an unsatisfied tub of integration flow measuring device, a serial communication port, including flow measurement module, liquid level measurement module, device box and controller, flow measurement module set up in device box both sides for measure the velocity of flow value signal of rivers in the device box, liquid level measurement module sets up device box delivery port department for the liquid level value signal of rivers in the measuring device box, the controller is connected with flow measurement module, liquid level measurement module respectively, is used for gathering and control data, flow measurement module includes transducer mounting panel and transducer, the transducer mounting panel set up in the one end of device box both sides board, the transducer embedding on the transducer mounting panel, liquid level measurement module includes ultrasonic ranging sensor module and electric capacity level sensor module, the controller with flow measurement module, device box, the controller is connected with, The ultrasonic distance measurement sensor module and the capacitance liquid level sensor module are connected through a 485 bus.

2. The integrated flow measuring device for the unsaturated pipe according to claim 1, wherein: the transducers are close to the bottom end of the transducer mounting plate in a dense arrangement mode, and the transducers are close to the top end of the transducer mounting plate in a sparse arrangement mode.

3. The integrated flow measuring device for the unsaturated pipe according to claim 2, wherein: the transducers are eight, with the spacing near the bottom being less than the spacing near the top.

4. An integral flow measuring device for an unsaturated pipe according to any one of claims 1 to 3, wherein: the device box is square, and the front and back are provided with a water inlet water pouring sheet and a water outlet water pouring sheet, and the water pouring sheet is provided with a water outlet for pouring fishbone.

5. The integrated flow measuring device for the unsaturated pipe according to claim 4, wherein: the top end of the square box body is provided with a square hole groove, and the controller is installed through a buckle.

6. An integral flow measuring device for an unsaturated pipe according to any one of claims 1 to 3, wherein: and a transparent protective cover is arranged outside the controller.

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