CN212007362U

CN212007362U - Ultrasonic open channel flowmeter capable of adjusting water passing area

Info

Publication number: CN212007362U
Application number: CN202021141949.0U
Authority: CN
Inventors: 侯汉同; 李庆铁; 熊迎军; 李靖
Original assignee: Lannisir Shanghai Trading Co ltd
Current assignee: Lanisher (Shanghai) Engineering Equipment Co.,Ltd.
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-11-24
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses an ultrasonic wave open channel flowmeter of adjustable water passing area, including crossing the water weir groove, it has first division board to cross water weir inslot wall fixed mounting, the activity of first division board upper end is provided with the second division board, it has first bracing piece and second bracing piece to cross water weir groove upper end fixed mounting, first bracing piece upper end fixed mounting has the head rod, second bracing piece upper end fixed mounting has the second connecting rod, head rod and second connecting rod outer wall movable mounting have first slider and second slider, second slider upper end fixed mounting has the ultrasonic wave open channel flowmeter host computer of adjustable water passing area. This ultrasonic wave open channel flowmeter of adjustable water area through setting up first slider and second slider, has realized crossing the effect that water weir groove, first division board and second division board formed different water cross sections, does benefit to the first ultrasonic transducer of multiunit repetitious usage and calculates, has improved and has calculated the precision, convenient to use has certain spreading value.

Description

Ultrasonic open channel flowmeter capable of adjusting water passing area

Technical Field

The utility model relates to an instrument and meter equipment technical field specifically is an ultrasonic wave open channel flowmeter of adjustable water area.

Background

The sewage discharge mode of industrial and mining enterprises in China is mostly natural flow, the flow of sewage in a pipeline or a channel is in a non-full pipe state, a waterway which flows in the non-full pipe state, namely, the waterway with a free surface is called an open channel, when the flow measurement is carried out on the open channel, a conventional pressure full pipe flowmeter cannot be used, the measured sewage contains various impurities, therefore, when the flow measurement is carried out on the open channel, an ultrasonic open channel flowmeter capable of adjusting the water passing area is often used, and the composition method of an intelligent open channel flowmeter measurement system generally comprises a flow display instrument, a flow rate meter and a liquid level meter; the open channel flow system for multipoint flow velocity measurement can also be composed of a flow display instrument, at most four flow velocity meters and a liquid level meter, and the two types of the common open channel flow meters are weir type open channel flow meters and trough type open channel flow meters. The ultrasonic open channel flowmeter capable of adjusting the water passing area has various shapes such as U-shaped, trapezoid, rectangle and the like besides the circular shape.

The open channel flow measurement is mostly influenced and limited by boundary conditions and environments, the existing measurement methods are various, for weir type measurement, the existing weir type measurement groove is mostly in a fixed arrangement and does not have an adjustable function, the data accuracy obtained by the weir groove with a single size is general, and therefore the ultrasonic open channel flow meter capable of adjusting the water passing area is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic wave open channel flowmeter of adjustable water area to the current weir formula measuring tank that proposes in solving above-mentioned background art is mostly fixed setting, does not possess adjustable function, the general problem of data accuracy that single size's weir groove reachd.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultrasonic wave open channel flowmeter of adjustable water passing area, includes the water passing weir groove, water passing weir inslot wall fixed mounting has first division board, the activity of first division board upper end is provided with the second division board, water passing weir groove upper end fixed mounting has first bracing piece and second bracing piece, first bracing piece upper end fixed mounting has the head rod, second bracing piece upper end fixed mounting has the second connecting rod, head rod and second connecting rod outer wall movable mounting have first sliding body and second sliding body, second sliding body upper end fixed mounting has the ultrasonic wave open channel flowmeter host computer of adjustable water passing area, first sliding body upper end fixed mounting has solar panel.

Preferably, the first partition plate and the second partition plate are perpendicular to each other, a first liquid level meter is fixedly mounted at the front end of the second partition plate, the lower end face of the first liquid level meter is attached to the upper end face of the first partition plate, a second liquid level meter is fixedly mounted at the right end of the first partition plate and the right end face of the second partition plate, and the lower end face of the second liquid level meter and the lower end face of the water passing weir groove are in the same plane.

Preferably, a first ultrasonic transducer is fixedly installed in the center of the lower end of the second sliding body, a second ultrasonic transducer and a third ultrasonic transducer are fixed on the inner wall of the overflow weir groove, and the second ultrasonic transducer and the third ultrasonic transducer are located on the same plane.

Preferably, a first storage battery and a second storage battery are fixedly mounted inside the second sliding body, the first storage battery and the second storage battery are identical in specification, and sliding grooves are formed in the front end and the rear end of the first sliding body and the rear end of the second sliding body in a penetrating mode.

Preferably, the first supporting rod and the second supporting rod have the same structure, the first connecting rod and the second connecting rod have the same structure, and the first connecting rod and the second connecting rod are matched with the sliding groove.

Preferably, the first sliding body and the second sliding body are both hollow structures, the sliding protection bodies are fixedly mounted on the inner walls of the first sliding body and the second sliding body, and the outer walls of the first connecting rod and the second connecting rod are attached to the inner walls of the sliding protection bodies.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the ultrasonic open channel flowmeter with the adjustable water passing area, the first sliding body and the second sliding body are arranged, so that the effect that different water passing sections are formed by the water passing weir trough, the first partition plate and the second partition plate is achieved, a plurality of groups of first ultrasonic transducers which are used for multiple times are facilitated to measure, the measuring and calculating precision is improved, the use is convenient, and certain popularization value is achieved;

2. according to the ultrasonic open channel flowmeter with the adjustable water passing area, the second ultrasonic transducer and the third ultrasonic transducer are used in a matched mode, ultrasonic flow measurement and calculation in the horizontal direction are achieved, the accuracy of measured and calculated data is improved, the effect of rapidly reading liquid level is achieved by arranging the first liquid level meter and the second liquid level meter, and measurement and calculation work is facilitated;

3. this ultrasonic wave open channel flowmeter of adjustable water area through setting up solar panel and two batteries, has realized the effect that this flowmeter charges open-air, has avoided the not enough phenomenon that influences the measurement and calculation of battery electric power during field work, is suitable for extensively, through the mutually perpendicular setting of first division board and second division board to and the setting of the non-obstacle in first ultrasonic transducer below, does benefit to going on of ultrasonic wave measurement and calculation work.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the internal structure of the first sliding body and the second sliding body according to the present invention.

In the figure: 1. a water-passing weir trough; 2. a first partition plate; 3. a second partition plate; 4. a first support bar; 5. a first connecting rod; 6. a second support bar; 7. a second connecting rod; 8. a first slider; 9. a second sliding body; 10. the ultrasonic open channel flowmeter main machine can adjust the water passing area; 11. a solar panel; 12. a first liquid level meter; 13. a second level gauge; 14. a first ultrasonic transducer; 15. a second ultrasonic transducer; 16. a third ultrasonic transducer; 17. a first storage battery; 18. a second storage battery; 19. a chute; 20. a sliding protection body.

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: the utility model provides an ultrasonic open channel flowmeter of adjustable water passing area, including crossing water weir groove 1, it has first division board 2 to cross 1 inner wall fixed mounting of water weir groove, the activity of 2 upper ends of first division board is provided with second division board 3, it has first bracing piece 4 and second bracing piece 6 to cross 1 upper end fixed mounting of water weir groove, first bracing piece 4 upper end fixed mounting has

head rod

5, 6 upper ends fixed mounting of second bracing piece have second connecting rod 7,

head rod

5 and 7 outer wall movable mounting of second connecting rod have first slider 8 and

second slider

9, 9 upper ends fixed mounting of second slider has ultrasonic open channel flowmeter host computer 10 of adjustable water passing area, 8 upper ends fixed mounting of first slider have solar panel 11.

Further, 3 mutually perpendicular of first division board 2 and second division board, 3 front end fixed mounting of second division board has first level gauge 12, and terminal surface and 2 up end of first division board are laminated each other under the

first level gauge

12, and 3 right-hand members fixed mounting of first division board 2 and second division board have second level gauge 13, and terminal surface is in the coplanar with the terminal surface under the water weir groove 1 under the second level gauge 13, do benefit to and read the liquid level height fast, convenient to use.

Furthermore, a first ultrasonic transducer 14 is fixedly installed in the center of the lower end of the second sliding body 9, a second ultrasonic transducer 15 and a third ultrasonic transducer 16 are fixed on the inner wall of the overflow weir trough 1, the second ultrasonic transducer 15 and the third ultrasonic transducer 16 are located on the same plane, and the arrangement of the plurality of ultrasonic transducers realizes various flow measurement and calculation and improves measurement and calculation precision.

Further, inside fixed mounting of second slider 9 has first battery 17 and second battery 18, and first battery 17 is the same with the 18 specifications of second battery, and both ends run through around first slider 8 and the second slider 9 and have seted up spout 19, and the setting of two batteries has improved electric power deposit, has realized long-time power supply.

Furthermore, the first supporting rod 4 and the second supporting rod 6 have the same structure, the first connecting rod 5 and the second connecting rod 7 are matched with the sliding groove 19, and the first supporting rod 4 and the second supporting rod 6 are arranged at the upper end of the water passing weir groove 1, so that the resistance phenomenon of the supporting rods to water flow is avoided, the arrangement of no obstacles at the lower end of the first ultrasonic transducer 14 is realized, and the measuring and calculating accuracy is improved.

Further, first slider 8 and second slider 9 all are hollow structure, and first slider 8 and the inner wall fixed mounting of second slider 9 have the slip protection body 20, and head rod 5 and the outer wall of second connecting rod 7 are laminated with the inner wall of the slip protection body 20 each other, and the setting of the slip protection body 20 has improved the slip effect of first slider 8 and second slider 9.

The working principle is as follows: firstly, placing an overflow weir groove 1 at a reasonable position in an open channel to be measured, starting an ultrasonic open channel flowmeter host 10 capable of adjusting the water passing area, inputting the installation height, forming different overflow cross sections on the inner walls of a second partition plate 3, a first partition plate 2 and the overflow weir groove 1 by moving a structure formed by a first sliding body 8 and a second sliding body 9 left and right, setting geometric parameters, starting a first ultrasonic transducer 14, detecting the distance from the lower end surface of the first ultrasonic transducer 14 to the liquid surface, subtracting the distance from the liquid surface to the lower end surface of the first ultrasonic transducer 14 according to the installation height of the first ultrasonic transducer 14 to be equal to the depth of the water level flowing through the overflow weir groove 1, bringing the depth of the water level into a flow conversion formula to obtain the flow, closing the first ultrasonic transducer 14 after multiple times of measurement and calculation, starting a second ultrasonic transducer 15 and a third ultrasonic transducer 16, the second ultrasonic transducer 15 and the third ultrasonic transducer 16 are simultaneously subjected to ultrasonic waves, the propagation time difference between the ultrasonic waves is measured, and the data of the first ultrasonic transducer 14 are compared, so that the measurement and calculation can be completed.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides an ultrasonic wave open channel flowmeter of adjustable water passing area, includes the water-passing weir groove, its characterized in that: the water passing weir groove is characterized in that a first partition plate is fixedly mounted on the inner wall of the water passing weir groove, a second partition plate is movably arranged on the upper end of the first partition plate, a first supporting rod and a second supporting rod are fixedly mounted on the upper end of the water passing weir groove, a first connecting rod is fixedly mounted on the upper end of the first supporting rod, a second connecting rod is fixedly mounted on the upper end of the second supporting rod, a first sliding body and a second sliding body are movably mounted on the outer wall of the first connecting rod and the outer wall of the second connecting rod, an ultrasonic open channel flowmeter host machine with an adjustable water passing area is fixedly mounted on the upper end of the second sliding body, and a solar panel is.

2. An adjustable flow area ultrasonic open channel meter as claimed in claim 1 wherein: the first separating plate and the second separating plate are perpendicular to each other, a first liquid level meter is fixedly mounted at the front end of the second separating plate, the lower end face of the first liquid level meter is attached to the upper end face of the first separating plate, a second liquid level meter is fixedly mounted at the right end of the first separating plate and the right end of the second separating plate, and the lower end face of the second liquid level meter and the lower end face of the water passing weir groove are in the same plane.

3. An adjustable flow area ultrasonic open channel meter as claimed in claim 1 wherein: the center of the lower end of the second sliding body is fixedly provided with a first ultrasonic transducer, the inner wall of the overflow weir groove is fixedly provided with a second ultrasonic transducer and a third ultrasonic transducer, and the second ultrasonic transducer and the third ultrasonic transducer are located on the same plane.

4. An adjustable flow area ultrasonic open channel meter as claimed in claim 1 wherein: the inside fixed mounting of second sliding body has first battery and second battery, first battery and second battery specification are the same, both ends run through and have seted up the spout around first sliding body and the second sliding body.

5. An adjustable flow area ultrasonic open channel meter as claimed in claim 4 wherein: the first supporting rod and the second supporting rod are of the same structure, the first connecting rod and the second connecting rod are of the same structure, and the first connecting rod and the second connecting rod are matched with the sliding groove.

6. An adjustable flow area ultrasonic open channel meter as claimed in claim 1 wherein: the first sliding body and the second sliding body are both of a hollow structure, sliding protection bodies are fixedly mounted on the inner walls of the first sliding body and the second sliding body, and the outer walls of the first connecting rod and the second connecting rod are attached to the inner walls of the sliding protection bodies.