Flow observation weir

Abstract

The utility model discloses a flow observation weir and relates to the technical field of flow observation weirs. The flow observation weir comprises a weir plate, a battery box is arranged on the side face of the weir plate, a switch and an indicator lamp are arranged on the side face of the bottom of the battery box, a pointer fixing box is arranged on the outer side of a ruler and a sliding rail, and a water level pointer is fixedly connected to the side face of the pointer fixing box. According to the utility model, the water head height measured on the scale is transmitted to the temperature probe and the mainboard through the lead. The switch and the indicating lamp are located on the side face of the bottom of the battery box. The water level pointer is used in cooperation with the scale and the sliding rail and used for measuring the water level. The pointer fixing box fixes the water level pointer, a distance measuring device is arranged in the pointer fixing box, and the measured height is output to the temperature probe and the main board.

Description

Technical Field

[0001] This utility model relates to the field of flow observation weir technology, and in particular to a flow observation weir. Background Technology

[0002] Triangular weirs and rectangular weirs are commonly used open channel flow meters, widely applied in various water conservancy projects, geological surveys, and geological disaster investigations. They are characterized by high accuracy, easy maintenance, and good anti-clogging performance.

[0003] Triangular and rectangular weirs are commonly used open channel flow meters and are widely used in various water conservancy projects, geological and geological disaster surveys. They have the characteristics of high accuracy, easy maintenance and good anti-clogging performance. However, when used in soil rivers, streams and other scenarios, the weir plate is difficult to fix and the bottom leakage is serious, which can easily affect the measurement accuracy. Existing weir plates can only measure the water head height and cannot reflect the flow rate in a timely and rapid manner. Utility Model Content

[0004] The purpose of this invention is to provide a flow observation weir, aiming to solve the problems encountered by existing triangular and rectangular weirs as flow meters in open channel engineering, geological and geological disaster investigations. Although they have advantages such as high accuracy, simple maintenance, and good anti-clogging performance, in scenarios such as soil rivers and streams, the weir plates are difficult to fix, and the bottom leakage problem is serious, which affects the measurement accuracy. In addition, existing weir plates have a single function, which can only measure the water head height and cannot quickly reflect changes in flow rate.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a flow observation weir, including a weir plate, a battery box on the side of the weir plate, a switch and an indicator light on the bottom side of the battery box, a scale and a slide rail on the side of the weir plate, and a pointer fixing box on the outside of the scale and slide rail, with a water level pointer firmly connected to the side of the box.

[0006] As a preferred technical solution of this utility model, the weir plate is fixedly connected to the detection station by fixing rivets, and the number of fixing rivets is three; fixing rivets are added to the bottom of the weir plate, and the number of fixing rivets is determined according to the specifications of the weir plate. In this design, the bottom distance of the triangular weir is 20cm, and 3 fixing rivets are set for the 30cm rectangular weir. The wire and fixing box transmit the water head height obtained from the scale to the temperature probe and the main board through the wire. The switch, indicator light, and battery box can be rechargeable batteries or dry batteries. The water level pointer is used in conjunction with the scale and slide rail to measure the water level height.

[0007] In a preferred embodiment of this invention, the switch is connected to the scale and slide rail via a wire and a fixing box.

[0008] As a preferred embodiment of this utility model, the inner side of the scale and slide rail is inlaid with three balls.

[0009] As a preferred technical solution of this utility model, the weir plate is available in two shapes: triangular weir and rectangular weir. A pointer fixing box is used to fix the water level pointer. A built-in ranging device outputs the measured height to the temperature probe and mainboard. The measured water head height is calculated using the flow rate calculation formula for a triangular weir (rectangular weir), and the converted flow rate is transmitted to a mobile phone via Bluetooth. Through the corresponding receiving software on the mobile phone, real-time flow rate and water temperature can be obtained. The weir plate is installed at the measurement position, the switch is turned on, Bluetooth is connected, and after the water flow stabilizes, the water level pointer is moved, allowing the mobile phone to obtain the flow rate and water temperature. The water level pointer installed on the weir plate allows for manual reading and verification of the water level.

[0010] As a preferred technical solution of this utility model, a temperature probe and a main board are provided on the top outer side of the weir plate, and the temperature probe and the main board are electrically connected to the switch.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention adds fixing rivets to the bottom of the weir plate. The number of fixing rivets is determined according to the weir plate specifications. In this design, three fixing rivets are set for a triangular weir with a bottom distance of 20cm, and three fixing rivets are set for a rectangular weir with a bottom distance of 30cm. A wire and a fixing box are included. The wire transmits the water head height obtained from the scale to the temperature probe and the main board. A switch, indicator light, and battery box (which can be rechargeable or dry cell batteries) are also included. The water level pointer works with the scale and slide rail to measure the water level height. The pointer fixing box fixes the water level pointer to the water level fixing box. A built-in distance measuring device outputs the measured height to the temperature probe and the main board. The obtained water head height is converted into flow rate using the flow rate calculation formula for triangular (rectangular) weirs, and transmitted to a mobile phone via Bluetooth. The corresponding receiving software on the mobile phone enables real-time acquisition of flow rate and water temperature. The weir plate is installed at the measurement position, the switch is turned on, Bluetooth is connected, and after the water flow stabilizes, the water level pointer is moved, and the mobile phone can obtain the flow rate and water temperature. The water level pointer installed on the weir plate allows for manual reading and verification of the water level. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the triangular weir structure of this utility model.

[0014] Figure 2 This is a side view of the triangular dam structure of this utility model.

[0015] Figure 3 This is a back view of the structure of the Sanjia Weir of this utility model.

[0016] Figure 4 This is a schematic diagram of the rectangular weir structure of this utility model.

[0017] Figure 5 This is a side view of the rectangular weir structure of this utility model.

[0018] Figure 6 This is a back view of the rectangular weir structure of this utility model.

[0019] In the diagram: 1. Fixing rivet; 2. Wire and fixing box; 3. Switch; 4. Indicator light; 5. Battery box; 6. Scale and slide rail; 7. Water level pointer; 8. Pointer fixing box; 9. Weir plate; 10. Temperature probe; Main board. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-6 This utility model provides a flow observation weir, including a weir plate 9, a battery box 5 on the side of the weir plate 9, a switch 3 and an indicator light 4 on the bottom side of the battery box 5, a scale and a slide rail 6 on the side of the weir plate 9, a pointer fixing box 8 on the outside of the scale and slide rail 6, and a water level pointer 7 fixedly connected to the side of the pointer fixing box 8.

[0022] In summary, by adding fixing rivets 1 to the bottom of the weir plate 9, the number of fixing rivets 1 is determined according to the specifications of the weir plate 9. In this design, the bottom distance of the triangular weir is set to 20cm, and 3 fixing rivets are configured; the 30cm high rectangular weir is equipped with 3 fixing rivets. At the same time, the wire and fixing box 2 are responsible for transmitting the water head height measured on the scale to the temperature probe and the main board 10. The switch 3, indicator light 4, and battery box 5 can be rechargeable batteries or dry batteries. The water level pointer 7 is used in conjunction with the scale and slide rail 6 to measure the water level height. The pointer fixing box 8 fixes the water level pointer 7 to the water level fixing box. The built-in distance measuring device outputs the measured height to the temperature probe and the main board 10. The obtained water head height is converted into flow rate through the triangular weir (rectangular weir) flow calculation formula and transmitted to the mobile phone via Bluetooth. Through the corresponding receiving software on the mobile phone, the flow rate and water temperature can be obtained in real time. The weir plate 9 is installed at the measured position, the switch 3 is turned on, and Bluetooth is connected. Once the water flow stabilizes, move the water level pointer 7. The flow rate and water temperature can be obtained on the mobile phone. The water level pointer 7 is installed on the weir plate 9, which can be read manually for manual verification. This solves the problem that existing triangular weirs and rectangular weirs are commonly used open channel flow meters and are widely used in various water conservancy projects, geological and geological disaster investigations. They have the characteristics of high accuracy, simple maintenance and good anti-clogging performance. However, when used in soil rivers, streams and other scenarios, the weir plate 9 is difficult to fix and the bottom leakage is serious, which can easily affect the measurement accuracy. The existing weir plate 9 can only measure the head height and cannot reflect the flow rate in a timely and rapid manner.

[0023] The weir plate 9 is fixedly connected to the detection station by three fixing rivets 1. Additional fixing rivets 1 are added to the bottom of the weir plate 9, with the number of rivets 1 determined according to the specifications of the weir plate 9. In this design, the bottom distance of the triangular weir is 20cm, so three fixing rivets 1 are used; the rectangular weir with a distance of 30cm is also equipped with three fixing rivets 1. A wire and a fixing box 2 are used to transmit the water head height obtained from the scale to the temperature probe and the main board 10. A switch 3, an indicator light 4, and a battery box 5 are included; these can be rechargeable or dry cell batteries. The water level pointer 7 works in conjunction with the scale and slide rail 6 to measure the water level height. The switch 3 is connected to the scale and slide rail 6 via the wire and fixing box 2.

[0024] The inner side of the scale and slide rail 6 is inlaid with three ball bearings. The weir plate 9 is available in two shapes: triangular and rectangular. The pointer fixing box 8 fixes the water level pointer 7 to the water level fixing box. It has a built-in ranging device that outputs the measured height to the temperature probe and main board 10. The measured water head height is converted into the flow rate using the flow rate calculation formula of the triangular weir (rectangular weir) and transmitted to the mobile phone via Bluetooth. The corresponding receiving software on the mobile phone can realize the real-time acquisition of flow rate and water temperature. The weir plate 9 is installed at the measured position, the switch 3 is turned on, Bluetooth is connected, and after the water flow stabilizes, the water level pointer 7 is moved. The mobile phone can then obtain the flow rate and water temperature. The water level pointer 7 is installed on the weir plate 9, which can be manually read and verified. The outer top of the weir plate 9 is equipped with a temperature probe and main board 10, which are electrically connected to the switch 3.

[0025] In practical use, firstly, to solve the problem of the difficulty in fixing the weir plate 9 in soil, sandy river channels, natural streams and other scenarios for flow measurement and to achieve rapid acquisition of flow and water temperature, the design is as follows: A fixing rivet 1 is added to the bottom of the weir plate 9. The number of fixing rivets 1 is determined according to the specifications of the weir plate 9. In this design, the bottom distance of the triangular weir is 20cm, so 3 fixing rivets 1 are set; the 30cm rectangular weir is also equipped with 3 fixing rivets 1. A wire and fixing box 2 are provided. The wire transmits the water head height obtained from the scale to the temperature probe and main board 10. A switch 3, indicator light 4, and battery box 5 (which can be for rechargeable or dry cell batteries) are also provided. The water level pointer 7 is connected to the scale and slide rail 6. Used in conjunction with a pointer fixing box 8, this device measures water level height. The pointer 7 is fixed to the water level fixing box and has a built-in ranging device. The measured height is output to the temperature probe and the main board 10. The measured water head height is converted into flow rate using the flow rate calculation formula of the triangular weir (rectangular weir) and transmitted to the mobile phone via Bluetooth. The corresponding receiving software on the mobile phone enables real-time acquisition of flow rate and water temperature. The weir plate 9 is installed at the measurement position, the switch 3 is turned on, Bluetooth is connected, and after the water flow stabilizes, the water level pointer 7 is moved. The mobile phone can then acquire the flow rate and water temperature. The water level pointer 7 is installed on the weir plate 9, which can be manually read and verified.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flow observation weir comprising a weir plate (9), characterised in that: The side of the weir plate (9) is provided with a battery box (5), the bottom side of the battery box (5) is respectively provided with a switch (3) and an indicator light (4), the side of the weir plate (9) is provided with a scale and a slide rail (6), the outer side of the scale and the slide rail (6) is provided with a pointer fixing box (8), the side of the pointer fixing box (8) is fixedly connected with a water level pointer (7).

2. A flow observation weir according to claim 1, characterised in that: The weir plate (9) is fixedly connected on the detection station through fixing rivets (1), the number of the fixing rivets (1) is three.

3. A flow observation weir according to claim 1, wherein: The switch (3) is connected with the scale and the slide rail (6) through wires and a fixing box (2).

4. A flow observation weir according to claim 1, wherein: The inner side of the scale and the slide rail (6) is inlaid with three balls.

5. A flow observation weir according to claim 1, wherein: The shape of the weir plate (9) is two kinds of triangular weir and rectangular weir.

6. A flow observation weir according to claim 1, wherein: The outer top of the weir plate (9) is provided with a temperature probe and a mainboard (10), the temperature probe and the mainboard (10) are electrically connected with the switch (3).

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