CN221124906U

CN221124906U - Rain gauge for hydrologic monitoring

Info

Publication number: CN221124906U
Application number: CN202321920432.5U
Authority: CN
Inventors: 王冕; 郭乐; 舒卫民; 王祥; 张光君; 李娜; 李博
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-06-11
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses a rain gauge for hydrologic monitoring, which comprises a barrel, wherein the upper surface of the barrel is rotationally connected with a rain bucket, the rain bucket is of a funnel-shaped structure, and two ends of the rain bucket are rotationally connected with the inner wall of the barrel through a rotating shaft; one side of the cylinder body is connected with an equipment box, and a motor is arranged in the equipment box and connected with a rotating shaft on one side of the rain bucket. The device has solved the problem that the rain funnel of prior art's rain gauge easily flows in impurity and leads to blockking up, has can carry out impurity filtration, avoids the characteristics of jam.

Description

Rain gauge for hydrologic monitoring

Technical Field

The utility model belongs to the technical field of hydrologic monitoring, and particularly relates to a rain gauge for hydrologic monitoring.

Background

A rain gauge is an instrument used by astronomists and hydrology to measure precipitation in a certain area over a period of time. The common rain gauge mainly comprises a siphon rain gauge and a tipping bucket rain gauge; in the prior art, as the opening of the rain bucket is always in an open state, a large amount of sundries fall into the rain bucket, particularly in the open air, a large amount of dry leaves, branches and the like fall into the rain bucket, and the drain hole of the rain bucket is easily blocked for a long time, so that rainwater cannot be injected into a measuring device, and a measuring result is inaccurate; therefore, there is a need to design a rain gauge for hydrologic monitoring to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a rain gauge for hydrologic monitoring, which solves the problem that the rain funnel of the rain gauge in the prior art is easy to flow in impurities to cause blockage, and has the characteristics of being capable of filtering impurities and avoiding blockage.

In order to realize the design, the utility model adopts the following technical scheme: the rain gauge for hydrologic monitoring comprises a barrel, wherein the upper surface of the barrel is rotationally connected with a rain bucket which is of a funnel-shaped structure, and two ends of the rain bucket are rotationally connected with the inner wall of the barrel through a rotating shaft; one side of the cylinder body is connected with an equipment box, and a motor is arranged in the equipment box and connected with a rotating shaft on one side of the rain bucket.

Preferably, the bottom of the rain funnel is provided with a through hole, and a filter box is inserted in the through hole; the inner wall of the through hole is connected with an annular rubber ring which is in interference fit with the filter box.

Preferably, the filter box is of a hollow cylinder structure, and a plurality of filter holes are formed in the outer surface of the filter box.

Preferably, the top of the filter box is hinged with a split cover plate, the split cover plate is composed of two semicircular cover plates, and one end of each semicircular cover plate is hinged with the inner wall of the filter box through a torsion spring.

Preferably, the top of the equipment box is connected with a humidity sensor and is electrically connected with a PLC controller in the equipment box.

Further, the PLC controller selects an 80C51 singlechip, and the humidity sensor is selected from a humidity sensor with the model of DL-THS9-SHT 30.

Preferably, the equipment box is internally provided with a storage battery and a motor which are electrically connected.

The beneficial effects of the utility model are as follows:

The device has solved the problem that the rain funnel of prior art's rain gauge easily flows in impurity and leads to blockking up, has can carry out impurity filtration, avoids the characteristics of jam.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a filter cartridge of the present utility model;

FIG. 3 is a schematic view of the interior of the equipment cabinet of the present utility model;

The reference numerals in the drawings are: barrel 1, rain bucket 2, equipment box 3, motor 4, filter box 5, filtration pore 6, split type apron 7, humidity transducer 8, PLC controller 9.

Detailed Description

As shown in fig. 1-3, a rain gauge for hydrologic monitoring comprises a barrel 1, wherein a rain bucket 2 is rotatably connected to the upper surface of the barrel 1, the rain bucket 2 is of a funnel-shaped structure, and two ends of the rain bucket 2 are rotatably connected with the inner wall of the barrel 1 through rotating shafts; one side of the cylinder body 1 is connected with an equipment box 3, and a motor 4 is arranged in the equipment box 3 and connected with a rotating shaft on one side of the rain bucket 2.

Preferably, the bottom of the rain bucket 2 is provided with a through hole, and a filter box 5 is inserted in the through hole; the inner wall of the through hole is connected with an annular rubber ring which is in interference fit with the filter box 5.

Preferably, the filter box 5 is of a hollow cylinder structure, and a plurality of filter holes 6 are formed in the outer surface of the filter box 5.

Preferably, the top of the filter box 5 is hinged with a split cover plate 7, the split cover plate 7 consists of two semicircular cover plates, and one end of each semicircular cover plate is hinged with the inner wall of the filter box 5 through a torsion spring.

Preferably, the top of the equipment box 3 is connected with a humidity sensor 8 and is electrically connected with a PLC controller 9 inside the equipment box 3.

Further, the PLC 9 selects an 80C51 singlechip, and the humidity sensor 8 is selected from a humidity sensor 8 with the model of DL-THS9-SHT 30.

Preferably, a storage battery is arranged inside the equipment box 3 and is electrically connected with the motor 4, and the motor 4 is electrically connected with the PLC 9.

The working principle of the utility model is as follows:

When the rain measuring device is used, whether rain falls is detected by the humidity sensor 8, and then the motor 4 is controlled by the PLC 9 to drive the rain bucket 2 to turn over to a funnel structure, so that rainfall measurement is carried out; when the rainy day is not rainy, the rain bucket 2 is turned over by 180 degrees through the motor 4 so as to serve as a top cover, and impurities are prevented from falling into the top cover; the filter cartridge 5 can prevent impurities from falling into the cylinder 1 and being difficult to clean, and can ensure that the impurities do not fall out when turning over.

The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims

1. Rain gauge for hydrologic monitoring, comprising a barrel (1), characterized in that: the upper surface of the cylinder body (1) is rotationally connected with a rain bucket (2), the rain bucket (2) is of a funnel-shaped structure, and two ends of the rain bucket (2) are rotationally connected with the inner wall of the cylinder body (1) through a rotating shaft; one side of the cylinder body (1) is connected with an equipment box (3), and a motor (4) is arranged in the equipment box (3) and connected with a rotating shaft at one side of the rain bucket (2); the bottom of the rain bucket (2) is provided with a through hole, and a filter box (5) is inserted in the through hole; the inner wall of the through hole is connected with an annular rubber ring in interference fit with the filter box (5), the top of the filter box (5) is hinged with a split cover plate (7), the split cover plate (7) consists of two semicircular cover plates, and one end of each semicircular cover plate is hinged with the inner wall of the filter box (5) through a torsion spring.

2. The raingauge for hydrologic monitoring of claim 1, wherein: the filter box (5) is of a hollow cylinder structure, and a plurality of filter holes (6) are formed in the outer surface of the filter box (5).

3. The raingauge for hydrologic monitoring of claim 1, wherein: the top of the equipment box (3) is connected with a humidity sensor (8) which is electrically connected with a PLC (9) inside the equipment box (3).

4. A raingauge for hydrologic monitoring according to claim 3, wherein: the equipment box (3) is internally provided with a storage battery and a motor (4) which are electrically connected, and the motor (4) is electrically connected with a PLC (programmable logic controller) 9.