CN219065775U

CN219065775U - Photoelectric rain gauge

Info

Publication number: CN219065775U
Application number: CN202222384810.4U
Authority: CN
Inventors: 张照宇; 袁嘉宇; 裘枫玲; 胡建永; 李东风; 章凯悦; 杨意莹; 董海龙; 吴城良; 陈展博; 强巴次仁; 杨凯; 林依欣; 龚平
Original assignee: Zhejiang University of Water Resources and Electric Power
Current assignee: Zhejiang University of Water Resources and Electric Power
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-05-23
Anticipated expiration: 2032-09-08

Abstract

The utility model belongs to the technical field of meteorological observation equipment, especially a photoelectric type rain gauge measures the rainfall to current reciprocal upset that needs the tipping bucket, and the tipping bucket turns the difficulty when the rainfall is less, turns too frequently again when the rainfall is great, and inside mechanical mechanism is accurate, needs the problem of frequent maintenance, and it includes the shell to put forward the following scheme now, the bottom fixedly connected with bottom plate of shell, the delivery port has been seted up to the bottom of bottom plate, collection rain funnel sets up at the top of shell, collection rain funnel's bottom is provided with the needle tubing. In this application, the setting of black case can avoid extra light to interfere, and the edge of collection rain funnel becomes the blade form, can eliminate random error value, and the material of device shell is stainless steel material, adaptation field application environment that can be better to make the device can improve measuring sensitivity and degree of accuracy, can reduce maintenance frequency simultaneously.

Description

Photoelectric rain gauge

Technical Field

The application relates to the technical field of meteorological observation equipment, in particular to a photoelectric rain gauge.

Background

Rainfall is one of six elements of meteorological observation, and is a data representation of regional rainfall intensity. Rain gauges are important instruments for measuring the precipitation in an area over a period of time. Among the most widely used types of conventional rain gauges are skip type rain gauges, weighing type rain gauges, wheel disc bucket type rain gauges, siphon type rain gauges and the like.

However, the existing skip type rain gauge has the following defects in the working process:

1. the rainfall is measured by the reciprocating overturning of the tipping bucket, the tipping bucket is difficult to overturn when the rainfall is small, and the tipping bucket is too frequent to overturn when the rainfall is large;

2. the internal mechanical mechanisms are precise and require frequent maintenance.

In view of the above, the present application proposes a photoelectric rain gauge.

Disclosure of Invention

The application provides a photoelectric rain gauge, has solved among the prior art and has had the reciprocal upset that needs the tipping bucket to measure the rainfall, and the tipping bucket turns the difficulty when the rainfall is less, turns too frequently again when the rainfall is great, and inside mechanical mechanism is accurate, needs the shortcoming of frequent maintenance.

The application provides the following technical scheme:

a photoelectric rain gauge, comprising:

the bottom of the shell is fixedly connected with a bottom plate, and the bottom of the bottom plate is provided with a water outlet;

the rain collecting funnel is arranged at the top of the shell, and a needle tube is arranged at the bottom of the rain collecting funnel;

the black box is fixedly connected to the inner wall of one side of the shell, a round hole is formed in the top of the black box, a through hole is formed in the bottom of the black box, the through hole is matched with the rain collecting funnel, a drain pipe is arranged at the bottom of the black box, and the drain pipe is matched with the through hole and the water outlet;

the photoelectric doors are arranged on two sides of the black box and penetrate through the black box.

In one possible design, the inner wall of the rain collection funnel is provided with a first filter screen.

In one possible design, the inner wall of the water outlet is fixedly connected with a second filter screen.

In one possible design, the outer wall fixedly connected with of shell becomes a plurality of fixed plates that annular set up, one side fixedly connected with diaphragm of fixed plate, the aperture has been seted up at the top of diaphragm, the inner wall sliding connection of aperture has the pin.

In one possible design, the rain collection funnel is sized to one of a standard rain collection area of 200 square centimeters and 400 square centimeters.

In one possible design, the housing is made of stainless steel.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

In the application, the manufacturing cost is low, the data acquisition is a photoelectric switch, the manufacturing cost is low, the production is easy, and the needle tube can be formed by reforming medical or agricultural tools;

in the application, the structure is simple, and the maintenance is easy;

in the application, the rain gauge can be matched with the existing automatic weather station for use, and can be manufactured to have the same size as the existing rain gauge;

in the application, the data processing is convenient, the resistance information can be directly output, and the resistance information can also be processed into pulse signals for output;

in this application, the setting of black case can avoid extra light to interfere, and the edge of collection rain funnel becomes the blade form, can eliminate random error value, and the material of device shell is stainless steel material, adaptation field application environment that can be better to make the device can improve measuring sensitivity and degree of accuracy, can reduce maintenance frequency simultaneously.

Drawings

Fig. 1 is a schematic three-dimensional structure of a photoelectric rain gauge according to an embodiment of the present application;

fig. 2 is a schematic bottom view of a photoelectric rain gauge according to an embodiment of the present disclosure;

fig. 3 is a schematic cross-sectional structure of a photoelectric rain gauge according to an embodiment of the present application.

Reference numerals:

1. a housing; 2. a rain collecting funnel; 3. a first filter screen; 4. a black box; 401. a round hole; 402. a through hole; 5. a photoelectric gate; 6. a drain pipe; 7. a bottom plate; 701. a water outlet; 8. a second filter screen; 9. a fixing plate; 10. a cross plate; 11. and (5) a pin.

Detailed Description

Embodiments of the present application are described below with reference to the accompanying drawings in the embodiments of the present application.

In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "mounted" are to be construed broadly, and for example, "connected" may be either detachably connected or non-detachably connected; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to directional terms in the embodiments of the present application, such as "inner", "outer", "top", "bottom", etc., are merely with reference to the directions of the drawings, and thus, the directional terms used are used for better, more clear description and understanding of the embodiments of the present application, rather than indicating or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the embodiments of the present application.

In the present embodiments, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present application, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-3, an electro-optic rain gauge, comprising:

the shell 1, the bottom of the shell 1 is fixedly connected with a bottom plate 7, and a water outlet 701 is formed in the bottom of the bottom plate 7;

the rain collecting funnel 2 is arranged at the top of the shell 1, and a needle tube is arranged at the bottom of the rain collecting funnel 2;

the black box 4 is fixedly connected to the inner wall of one side of the shell 1, a round hole 401 is formed in the top of the black box 4, a through hole 402 is formed in the bottom of the black box 4, the through hole 402 is matched with the rain collecting funnel 2, a drain pipe 6 is arranged at the bottom of the black box 4, and the drain pipe 6 is matched with the through hole 402 and the water outlet 701;

the photoelectric gates 5, two photoelectric gates 5 are disposed on both sides of the black box 4 and penetrate the black box 4.

According to the technical scheme, the black box 4 can be arranged to avoid extra light interference data, the data is more accurate, the edge of the rain collecting funnel 2 is in the shape of a cutting edge, random error values can be eliminated, the device shell 1 is made of stainless steel, and the device can be better adapted to the field application environment, so that the device can improve the sensitivity and accuracy of measurement, and meanwhile, the technical effect of maintenance frequency can be reduced.

Example 2

Referring to fig. 1-3, an electro-optic rain gauge, comprising:

Referring to fig. 1, the inner wall of the rain collecting funnel 2 is provided with a first screen 3.

The technical scheme can achieve the technical effects that the first filter screen 3 is arranged at the lower part of the rain collecting funnel 2, and foreign matters falling along with rainwater can be prevented from entering the device to cause blockage.

Referring to fig. 2, a second filter screen 8 is fixedly connected to the inner wall of the water outlet 701.

The technical scheme can achieve the technical effect that the second filter screen 8 can prevent objects such as insects from entering the device.

Referring to fig. 1-3, the outer wall of the housing 1 is fixedly connected with a plurality of fixing plates 9 which are annularly arranged, one side of each fixing plate 9 is fixedly connected with a transverse plate 10, the top of each transverse plate 10 is provided with a small hole, and the inner wall of each small hole is slidably connected with a pin 11.

When the technical scheme is used, the device is placed at a proper position, and the pin 11 is inserted into the transverse plate 10, so that the device is fixed in position.

Referring to fig. 3, the size of the rain funnel 2 is one of 200 square centimeters and 400 square centimeters according to a standard rain area.

The technical scheme can achieve the technical effect that the proper rain collecting funnel 2 can be selected according to the actual rainfall and the required rain collecting area.

Referring to fig. 1, a housing 1 is made of stainless steel.

The technical scheme can better adapt to the field application environment, and can reduce the maintenance frequency.

However, as well known to those skilled in the art, the type of the photoelectric gate 5 is an EE-SX672 groove type sensor, the working principle and the wiring method thereof are common, and all belong to conventional means or common knowledge, and are not described herein, and any optional matching can be performed by those skilled in the art according to the needs or convenience.

The working principle and the using flow of the technical scheme are as follows: when the device is used, the device is placed at a proper position, the pin 11 is inserted into the transverse plate 10, so that the position of the device is fixed, after rainfall, rainwater enters the device through the rainwater collecting funnel 2, the rainwater collecting funnel 2 is provided with two types of 200 square centimeters and 400 square centimeters according to the standard, and the first filter screen 3 is arranged at the lower part of the rainwater collecting funnel 2, so that the phenomenon that foreign matters falling along with the rainwater enter the device to cause blockage can be prevented;

rainwater enters a needle tube positioned at the bottom of the rain collecting funnel 2 through the rain collecting funnel 2, water drops are formed after the rainwater passes through the needle tube, the photoelectric door 5 is divided into an infrared light lamp and a photoresistor through the photoelectric door 5, when the water drops pass through the photoelectric door 5, the water drops obstruct part infrared light to cause resistance change, a pulse signal is formed, the ESP32 singlechip is used for receiving the pulse signal of the photoelectric door 5 or the resistance value of the photoresistor, and then data measured in the earlier stage are converted into rainfall;

after passing through the black box 4, water drops enter the drain pipe 6 from the through hole 402 at the bottom of the black box 4, then flow out of the device from the water outlet 701 through the drain pipe 6 and the second filter screen 8, the second filter screen 8 can prevent objects such as insects from entering the device, and the black box 4 can avoid extra light interference;

the edge of the rain collecting funnel 2 is in a cutting edge shape, the acute angle of the cutting edge is 40-50 degrees, random error values can be eliminated, the shell 1 of the device is made of stainless steel, and the device can be well adapted to field application environments.

The foregoing is merely specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and should be covered in the protection scope of the present application; embodiments of the present application and features of embodiments may be combined with each other without conflict. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An optoelectronic rain gauge, comprising:

the water-saving device comprises a shell (1), wherein the bottom of the shell (1) is fixedly connected with a bottom plate (7), and a water outlet (701) is formed in the bottom of the bottom plate (7);

the rain collecting funnel (2) is arranged at the top of the shell (1), and a needle tube is arranged at the bottom of the rain collecting funnel (2);

the black box (4), black box (4) fixed connection is in one side inner wall of shell (1), round hole (401) have been seted up at the top of black box (4), through-hole (402) have been seted up to the bottom of black box (4), through-hole (402) cooperate with collection rain funnel (2), the bottom of black box (4) is provided with drain pipe (6), drain pipe (6) cooperate with through-hole (402) and delivery port (701);

and the two photoelectric doors (5) are arranged on two sides of the black box (4) and penetrate through the black box (4).

2. A photoelectric rain gauge according to claim 1, characterized in that the inner wall of the rain collection funnel (2) is provided with a first screen (3).

3. The photoelectric rain gauge according to claim 1, wherein the inner wall of the water outlet (701) is fixedly connected with a second filter screen (8).

4. The photoelectric rain gauge according to claim 1, wherein the outer wall of the housing (1) is fixedly connected with a plurality of fixing plates (9) which are annularly arranged, one side of each fixing plate (9) is fixedly connected with a transverse plate (10), the top of each transverse plate (10) is provided with a small hole, and the inner wall of each small hole is slidably connected with a pin (11).

5. A photoelectric rain gauge according to any of claims 1-3, wherein the rain collection funnel (2) is sized to one of a standard rain collection area of 200 square cm and 400 square cm.

6. A photoelectric rain gauge according to claim 1, characterized in that the material of the housing (1) is stainless steel.