CN215178020U - Automatic change triangle weir measuring apparatu - Google Patents

Abstract

The utility model belongs to the technical field of flow measurement, concretely relates to automatic change triangle weir measuring apparatu, include triangle weir case, measuring device, store the display element, with store the mainframe box that the display element is connected. The triangular weir box comprises a bottom plate, the top surface of the bottom plate is fixedly connected with three side plates, a baffle is inserted between the two oppositely arranged side plates, a liquid storage tank is formed between the baffle and the side plates in a surrounding manner, weir plates are arranged at the end parts of the two oppositely arranged side plates, and one of the weir plates is provided with a measuring device. The measuring device is connected with the triangular weir box measuring tank through a communicating pipe, the monitoring probe acquires water level data in real time, the water level data is converted into flow through the mainframe box, and the flow is displayed and stored in the storage display unit. The utility model discloses an increase reservoir and real-time measuring device, avoid the measuring error that the fluctuation of water level brought, carry out real-time supervision, reach the purpose of high frequency, long-term accurate record flow, improve measurement operating mass with rated load.

Description

Automatic change triangle weir measuring apparatu

Technical Field

The utility model belongs to the technical field of the flow measurement, concretely relates to change triangle weir measuring apparatu.

Background

In the field geological survey, the flow is measured by a weir, which is a regular-shaped barrier, and water overflows from the weir mouth and is converted into flow by measuring the water level in the weir. The three types of commonly used weirs are mainly rectangular weirs, triangular weirs and trapezoidal weirs, and the triangular weir is a simple and common measurement mode for measuring flow, and is widely applied to flow measurement in engineering survey, hydrogeological survey, pumping tests and the like.

In the existing field work water quantity measuring process, the flow of a water body to be measured is often measured manually, the measurement error is large, monitoring in a special time period or high-frequency long-time monitoring cannot be performed, and personnel cannot watch the site for a long time if night measurement or long-term monitoring for months or years is performed.

Therefore, there is a need for an improved automated weir measurement device to solve the above-mentioned problems of field measurement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic change triangle weir measuring apparatu to solve artifical measurement increase measuring result error, can't carry out the problem of long-term monitoring.

In order to realize the above-mentioned purpose, the utility model provides a pair of automatic change triangle weir measuring apparatu, including storing the display element, mainframe box and measuring device with storing the display element and being connected, measuring device includes the bottom plate, and the three curb plate of top surface fixedly connected with of bottom plate is pegged graft between the curb plate of two relative settings and is had a baffle, and the baffle is disconnected with the bottom plate, centers on forming the reservoir between baffle and the curb plate, and the curb plate tip of two relative settings is equipped with the weir plate, and measuring device sets up on one of them curb plate, and measuring device is connected with the mainframe box.

Preferably, measuring device is including surveying buret, surveys the outer fixed surface of buret and is connected with communicating pipe, and communicating pipe extends to the inside of reservoir, and communicating pipe front end parcel has the screen cloth, avoids impurity such as silt to get into communicating pipe. The inside of surveying buret is equipped with the probe, links to each other with the mainframe box through the signal line, and the outer wall is equipped with the level bar, and the one end that the signal line is located the survey buret is connected with the probe, and the top of surveying buret is equipped with the stopcock to reserve the air vent.

Preferably, the side plates are provided with clips at positions corresponding to the measuring tubes, the clips being dimensioned to match the diameter of the measuring tubes.

Preferably, a standard ruler is arranged beside the measuring tube, and the standard ruler is fixedly connected with the measuring tube.

Preferably, the measurement tube is a transparent tube.

The utility model has the advantages that: the liquid storage tank and the measuring tank are separated by a partition plate with the bottom not connected with the bottom plate to form a communicating tank, so that the purposes of energy dissipation and water level stabilization are achieved, and the water blocking of the liquid storage tank is avoided. The survey buret links to each other with communicating pipe and measurement groove, and the water level is the same with water level in the weir box, and the water level truns into the signal of telecommunication through high accuracy monitor, forms the observation data sequence that lasts, truns into flow time series data according to predetermineeing calculation program, reaches the purpose of accurate, long-term monitoring flow. The data can be displayed in real time through the storage display unit. The device supplies power by various modes such as commercial power, batteries, solar energy and the like.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the measuring device of the present invention;

FIG. 3 is a schematic structural diagram of the utility model at the standard ruler;

fig. 4 is a partial enlarged view of the standard screen of the present invention.

In the figure: 1. a storage display unit; 2. a main chassis; 3. a signal line; 4. a base plate; 5. a side plate; 6. a baffle plate; 7. a liquid storage tank; 8. a weir plate; 9. a measurement tube; 10. a communicating pipe; 11. a level bar; 12. a probe; 13. a pipe plug; 14. clamping a hoop; 15. a standard ruler; 16. a measuring device; 17. a measuring tank; 18. power line

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 utility model provides an automatic triangular weir measuring instrument, which comprises a storage display unit 1, the storage display unit 1 is used for receiving the flow data calculated by a main case 2 and visually giving the measuring result by figures and curves, a storage display unit 1 and a measuring device 16 are connected with the main case 2, the measuring device 16 comprises a measuring tube 9 and a communicating tube 10 which are communicated with the triangular weir box, the triangular weir box comprises a bottom plate 4, the top surface of the bottom plate 4 is fixedly connected with three side plates 5, a baffle 6 is inserted between the two oppositely arranged side plates 5, the baffle 6 is not connected with the bottom plate 4, the baffle 6 is lower than the side plates 5, the baffle 6 is arranged to divide the whole weir box into two tanks, namely a liquid storage tank 7 and a measuring tank 17, the baffle 6 and the side plates 5 form a liquid storage tank 7 at the rear part of the triangular weir box, the liquid storage tank 7 is used for collecting the water body entering the weir box, the weir plates 8 are arranged at the end parts of the two oppositely arranged side plates 5, a notch in a right-angled triangle shape is formed in the upper part of each weir plate 8, the height of each notch is higher than that of each baffle 6 and is used for water to flow out, each baffle 6 and each weir plate 8 form a measuring groove, the water level of each measuring groove is gentle and is communicated with the measuring device to measure the water level, the measuring device 16 is arranged on one side of each side plate 5 of each measuring groove, water quantitatively enters the measuring groove through a gap between each baffle 6 and the corresponding bottom plate 4, the water flows into the measuring device 16 to be measured after the measuring groove reaches a certain water level, the measuring device 16 is connected with the main case 2, a screen is wrapped at the front end of each communicating pipe 10 to prevent silt from flowing into the measuring device 16, and the main case 2 mainly receives water level data sent by the measuring device 16 and converts the data into flow according to a set program.

The measuring device 16 comprises a measuring pipe 9, a communicating pipe 10 is fixedly connected to the outer surface of the measuring pipe 9, the communicating pipe 10 extends to the inside of the measuring tank, a water body to be measured conveniently enters the measuring pipe 9 through the communicating pipe 10, a signal line 3 is arranged inside the measuring pipe 9, one end, located inside the measuring pipe 9, of the signal line 3 is connected with a probe 12, the other end of the signal line 3 is connected with the main case 2, the main case 2 feeds data back to the storage display unit 1, a level ruler 11 is installed on the outer wall of the measuring pipe 9, the level ruler 11 is fixedly installed by being attached to a hoop and glued together through the hoop, and the utility model discloses a mode of the hoop is adopted in figure 2; the top end of the measuring tube 9 is provided with a plug 13, and the plug 13 is provided with a vent to connect the measuring tube 9 with the atmosphere.

The position that corresponds to surveying buret 9 on the curb plate 5 is equipped with clamp 14, the size of clamp 14 and the diameter looks adaptation of surveying buret 9, and the setting of clamp 14 is convenient for fix surveying buret 9 on curb plate 5, and the quantity of clamp 14 can be according to highly reasonable setting of surveying buret 9. The level 11 is intended to be relatively flat when the measuring tube 9 is mounted.

A standard ruler 15 is arranged beside the measuring pipe 9, the standard ruler 15 is installed on the outer wall of the weir box and beside the measuring pipe 9, comparison between direct reading data and measuring data of the standard ruler 15 is facilitated, correction of measuring equipment is carried out, and measuring accuracy is improved. The starting zero point of the standard ruler 11 is on the same horizontal line with the bottom of the monitoring probe 12.

Survey buret 9 and be the transparent pipe, be convenient for observe the inside condition of surveying buret 9, observe whether the liquid level is horizontal, whether the installation of monitoring probe is accurate, the artifical direct reading data of accessible standard ruler 15 conveniently carries out the check of data.

The utility model discloses a theory of operation and use flow: when the device uses, make the water that awaits measuring at first flow into reservoir 7 from the water inlet and store and the energy dissipation, then flow to measuring tank through baffle 6 and bottom plate 4's passageway, and through the below of communicating pipe 10, reach certain degree when the water level rises, the water that awaits measuring flows into in surveying buret 9 through communicating pipe 10, the liquid level of the water that awaits measuring in surveying buret 9 constantly changes, through probe 12 and signal line 3 with data signal through host computer case 2 calculation conversion flow feedback to storing display element 1, and simultaneously, this device can measure discharge and with the test result with time as the abscissa on line in real time, the flow is the ordinate, show on storing display element 1's screen, and can carry out data storage and derive. After the triangular weir box forms continuous water flow and flows out through the notch, the measured data is effective. The power supply of the main case 2 and the storage display unit 1 of the device can be supplied by commercial power, or can be supplied by solar energy and batteries, and can be directly used, and the power line 18 is directly connected with the power supply.

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 (5)

1. The utility model provides an automatic change triangle weir measuring apparatu, includes triangle weir box, stores display element (1), with host computer case (2) and measuring device (16) that storage display element (1) is connected, its characterized in that: the triangular weir box comprises a bottom plate (4), wherein three side plates (5) are fixedly connected to the top surface of the bottom plate (4), the two side plates are oppositely arranged, a baffle (6) is inserted between the side plates (5), the baffle (6) is not connected with the bottom plate (4), the baffle (6) is arranged between the side plates (5) around a liquid storage tank (7), the two side plates are oppositely arranged, a weir plate (8) is arranged at the end part of the side plate (5), a measuring tank is formed by the baffle (6) and the weir plate (8), the measuring device (16) is arranged on one side of the side plate (5) and is connected with the measuring tank through a communicating pipe (10), and a signal line of the measuring device (16) is connected with the main box (2).

2. The automated triple weir measurement instrument of claim 1, wherein: measuring device (16) is including surveying buret (9), the outer fixed surface of surveying buret (9) is connected with communicating pipe (10), communicating pipe (10) extend to the inside of reservoir (7), just communicating pipe (10) front end parcel has the screen cloth, the inside of surveying buret (9) is equipped with signal line (3), signal line (3) are located one end in surveying buret (9) is connected with probe (12), survey buret (9) outer wall and be equipped with level ruler (11), the top of surveying buret (9) is equipped with stopcock (13).

3. The automated triple weir measurement instrument of claim 2, wherein: correspond to on curb plate (5) survey the position of buret (9) and be equipped with clamp (14), the size of clamp (14) with the diameter looks adaptation of buret (9).

4. The automated triple weir measurement instrument of claim 2, wherein: a standard ruler (15) is arranged beside the measuring pipe (9), and the standard ruler (15) is fixedly connected with the measuring pipe (9).

5. The automated triple weir measurement instrument of claim 2, wherein: the measuring tube (9) is a transparent tube.

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