CN218412948U

CN218412948U - Rain gauge

Info

Publication number: CN218412948U
Application number: CN202222882824.9U
Authority: CN
Inventors: 张小波; 徐晨辉; 孙五一; 龚振如; 胡琛; 王宇鹏; 薛凌凌
Original assignee: Henan Luoning Pumped Storage Co ltd; State Grid Xinyuan Co Ltd
Current assignee: Henan Luoning Pumped Storage Co ltd; State Grid Xinyuan Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a rain gauge, including the urceolus, it fights to intake, support and water gauge, it has the observation door to articulate on the lateral wall of urceolus, the internal perisporium of fighting of intaking is connected with the filter screen, the lower extreme that fights of intaking extends there is the pipe, the water gauge includes a measuring section of thick bamboo and branch pipe, the vertical branch pipe that is provided with in the outside of a measuring section of thick bamboo, be equipped with the scale mark on the branch pipe periphery wall, the lower extreme of branch pipe is buckled and is the lateral wall lower extreme that the horizontality runs through a measuring section of thick bamboo, and with the inside intercommunication of a measuring section of thick bamboo, the scale mark of highest position department on the branch pipe periphery wall and the upper end parallel and level of a measuring section of thick bamboo or be higher than a measuring section of thick bamboo, the upper end of branch pipe is buckled semicircular downwards, the lower part of pipe is stretched into in the upper portion of a measuring section of thick bamboo downwards, the top surface at the support is installed to the urceolus, the purpose is solved among the prior art the rain gauge and is leaded to measure the numerical value and is when rainfall length or rainfall intensity is big, the rainfall, lead to the measured value error problem of rainfall big easily.

Description

Rain gauge

Technical Field

The utility model relates to a technical field, concretely relates to rain gauge are measured to precipitation.

Background

The rainfall gauge is a special appliance for collecting rainfall and is used for measuring the rainfall in millimeters through a rainfall measuring cylinder matched with the rainfall gauge. The device is suitable for measuring precipitation in weather stations, hydrological stations, environmental protection, flood prevention and drainage, agriculture, forestry and other relevant departments.

When the existing rainfall gauge is used for measuring the rainfall, collected rainwater needs to be poured into a special rainfall cup to read the millimeter number of the rainfall, when the rainwater is poured, the rainwater in a water storage bottle is not easy to pour out, part of the rainwater is stored in the water storage bottle, the measured rainfall is reduced, and therefore the accuracy of the measured value is influenced.

Disclosure of Invention

To among the prior art rain gauge result in measuring numerical value easily and deviate, when measuring the rainfall when rainfall time is long or rainfall intensity is big, lead to the measurement value error problem on the large side of the rainfall easily, the utility model provides a rain gauge, measurement value error is little, and the measurement value is accurate.

In order to realize the purpose, the technical scheme of the utility model is that:

a rain gauge comprises an outer barrel, a water inlet hopper, a bracket and a water gauge;

an observation door made of transparent materials is hinged to the side wall of the outer barrel;

the water inlet hopper is arranged at the upper part of the outer barrel, the inner peripheral wall of the water inlet hopper is connected with a filter screen, and the lower end of the water inlet hopper extends to form a conduit communicated with the water inlet hopper;

the water meter is placed in the outer barrel below the water inlet hopper and comprises a water measuring barrel and a branch pipe, the branch pipe located in the outer barrel is vertically arranged on the outer side of the water measuring barrel and corresponds to the direction of the observation door, scale marks are arranged on the peripheral wall of the branch pipe, the branch pipe is a pipe body made of transparent materials, the lower end of the branch pipe is bent to be in a horizontal state, penetrates through the lower end of the side wall of the water measuring barrel and is communicated with the inside of the water measuring barrel, the scale marks at the highest position on the peripheral wall of the branch pipe are flush with or higher than the upper end of the water measuring barrel, the upper end of the branch pipe is bent downwards to be in a semicircular shape, and the inner diameter of the branch pipe is smaller than the inner diameter of the water measuring barrel;

the lower part of the conduit extends downwards into the upper part of the water measuring cylinder;

the outer cylinder is installed on the top surface of the support.

Furthermore, the water inlet hopper is an integrated structure formed by a step part, a vertical cylinder and a funnel part which are communicated with each other from top to bottom, a guide pipe extends from the lower end of the funnel part, the outer side of the lower end surface of the step part is clamped on the upper end surface of the outer cylinder, and the vertical cylinder and the funnel part both extend into the outer cylinder.

Furthermore, the step part is a hollow circular truncated cone body with a small upper end and a large lower end, the upper end of the hollow circular truncated cone body is communicated with the upper end of the step part up and down, the inner peripheral wall of the upper end of the step part is intersected with the outer peripheral wall, the vertical cylinder is a cylinder body with an outer diameter smaller than the outer diameter of the lower end of the step part and communicated up and down, the upper end of the vertical cylinder is connected with the inner side of the lower end face of the step part, the inner diameter of the step part is equal to the inner diameter of the vertical cylinder, the funnel part is a circular truncated cone body with a large upper end and a small lower end, the upper end of the funnel part is connected with the lower end of the vertical cylinder, and the inner diameter of the upper end of the funnel part is equal to the inner diameter of the vertical cylinder.

Further, a valve is arranged on the conduit above the water measuring cylinder.

Furthermore, the branch pipe is a circular pipe body, and the inner diameter of the water measuring cylinder is 5-6 times of the inner diameter of the branch pipe.

Further, the proportion of the sum of the internal cross-sectional areas of the vertical section of the branch pipe and the water measuring cylinder to the internal cross-sectional area of the upper end of the water inlet hopper is 1.

Through the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a water gaging cylinder and branch pipe communicate each other, even strong rainfall can not lead to the upper surface of rainwater in the branch pipe to produce and to splash the line to can real-time measurement, and guaranteed the utility model discloses the measured value is more accurate, and measuring error is on the small side.

2. The utility model discloses do not need purpose-made rain gauge cup, can directly observe the numerical value of precipitation, reduce the operating procedure, easy operation, save material simultaneously.

3. The utility model discloses owing to reduced the operating procedure, the numerical value of direct observation precipitation to reduce the error, improved the degree of accuracy of measured value.

Drawings

Fig. 1 is a front (cross-sectional) view of the present invention;

FIG. 2 is a front view (enlarged) of the water meter of the present invention;

fig. 3 is a right side view of the present invention;

FIG. 4 is a right side view of the present invention (with the viewing door open);

fig. 5 is a schematic diagram of the present invention.

The reference numbers in the figures are: 1 is the urceolus, 2a is the pipe, 2b is the step portion, 2c is the vertical cylinder, 2d is the funnel portion, 2e is the valve, 2 is the fill of intaking, 3a is the backup pad, 3b is the stabilizer blade, 3c is the mounting hole, 3 is the support, 4 is the graduated flask, 5a is the through-hole, 5b is the hinge, 5c is the handle, 5 is the observation door, 6 is the tongue lock, 7 is the filter screen, 8 is the branch pipe, 9 is the scale mark, 10 is ground, 11 is the screw.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

as shown in fig. 1 to 5, a rain gauge comprises an outer barrel 1, a water inlet hopper 2, a bracket 3 and a water gauge;

the outer barrel 1 is a vertical cylinder with an opening at the upper end, an observation door 5 made of transparent materials is hinged to the side wall of the outer barrel 1, a handle 5c is arranged on the observation door 5, and the observation door 5 is convenient to operate by the handle 5 c;

the rainwater collecting device is characterized in that the water inlet hopper 2 is a cylinder with openings at the upper end and the lower end, the water inlet hopper 2 is arranged at the upper part of the outer cylinder 1, the inner peripheral wall of the water inlet hopper 2 is connected with a horizontal filter screen 7, a guide pipe 2a communicated with the water inlet hopper 2 extends from the lower end of the water inlet hopper 2, and when rainwater is collected, the filter screen 7 can filter impurities in rainwater, so that the collected rainwater is ensured to be purer, and the measured value is more accurate;

the water meter is placed in the outer barrel 1 below the water inlet hopper 2 and comprises a water measuring barrel 4 and a branch pipe 8, the water measuring barrel 4 is a cylinder with an opening at the upper end, the outer bottom surface of the water measuring barrel 4 is in contact with the inner bottom surface of the outer barrel 1, the branch pipe 8 positioned in the outer barrel 1 is vertically arranged on the outer side of the water measuring barrel 4, the branch pipe 8 corresponds to the direction of the observation door 5, a scale mark 9 is arranged on the outer peripheral wall of the branch pipe 8, the branch pipe 8 is a pipe body made of transparent materials, the lower end of the branch pipe 8 is bent to be in a horizontal state, penetrates through the lower end of the side wall of the water measuring barrel 4 and is communicated with the inside of the water measuring barrel 4, the scale mark 9 at the highest position on the outer peripheral wall of the branch pipe 8 is flush with the upper end of the water measuring barrel 4 or is higher than the upper end of the water measuring barrel 4, the upper end of the branch pipe 8 is bent downwards to be in a semicircular shape, the inner diameter of the branch pipe 8 is smaller than that of the water measuring barrel 4, the upper portion and the lower portion of the branch pipe 8 are bent in opposite directions, and the lower end of the branch pipe 8 is higher than the inner bottom surface of the outer barrel 1;

the lower part of the conduit 2a extends downwards into the upper part of the measuring water cylinder 4;

the outer cylinder 1 is mounted on the top surface of the bracket 3.

The support 3 comprises a support plate 3a and support legs 3b, the support plate 3a is a horizontal plate body, the top surface of the support plate 3a is connected to the outer bottom surface of the outer barrel 1, and the bottom surface of the support plate 3a is connected with the plurality of support legs 3b.

The water inlet hopper 2 is an integrated structure formed by a step part 2b, a vertical cylinder 2c and a funnel part 2d which are communicated with each other from top to bottom, a guide pipe 2a extends from the lower end of the funnel part 2d, the outer side of the lower end surface of the step part 2b is clamped on the upper end surface of the outer cylinder 1, and the vertical cylinder 2c and the funnel part 2d both extend into the outer cylinder 1.

The step part 2b is a hollow circular truncated cone body with a small upper end and a large lower end, the upper end of the hollow circular truncated cone body is communicated up and down, the inner peripheral wall of the upper end of the step part 2b is intersected with the outer peripheral wall, the vertical cylinder 2c is a cylindrical body with an outer diameter smaller than the outer diameter of the lower end of the step part 2b and communicated up and down, the upper end of the vertical cylinder 2c is connected with the inner side of the lower end face of the step part 2b, the inner diameter of the step part 2b is equal to the inner diameter of the vertical cylinder 2c, the funnel part 2d is a circular truncated cone body with a large upper end, a small lower end and communicated up and down, the upper end of the funnel part 2d is connected with the lower end of the vertical cylinder 2c, the inner diameter of the upper end of the funnel part 2d is equal to the inner diameter of the vertical cylinder 2c, and the step part 2b is designed to prevent rainwater outside the opening end of the step part 2b from splashing into the water inlet hopper 2.

A valve 2e is arranged on the conduit 2a above the water measuring cylinder 4.

The branch pipe 8 is a circular pipe body, and the inner diameter of the water measuring cylinder 4 is 5-6 times of the inner diameter of the branch pipe 8.

The proportion of the sum of the vertical section of the branch pipe 8 and the internal section area of the water measuring cylinder 4 to the internal section area of the upper end of the water inlet hopper 2 is 1, and the vertical distance between two adjacent scale marks on the branch pipe 8 is 2 times of the difference of the scale mark numerical values corresponding to the two adjacent scale marks on the branch pipe 8.

Open on the lateral wall of urceolus 1 has the through-hole 5a that the installation observation door 5 was used, one side of through-hole 5a is articulated through hinge 5b and observation door 5, another side is connected with observation door 5 through cam lock 6, the up end of through-hole 5a is located valve 2e and branch pipe 8 the top, terminal surface and urceolus 1's interior bottom surface looks parallel and level down, and the width of through-hole 5a is greater than the external diameter of a measuring water section of thick bamboo 4.

The scale mark at the lowermost end of the scale mark 9 is '0', and the outer peripheral wall of the branch pipe 8 where the scale mark 9 is located is vertical.

The stabilizer blade 3b is the plate body of "L" shape, and the long slab of stabilizer blade 3b is vertical form and upper end joint support board 3a, and the short slab of stabilizer blade 3b is the level form and is equipped with the mounting hole 3c that runs through the short slab upper and lower surface on the short slab.

The outer diameter of the lower end of the step part 2b is larger than that of the outer cylinder 1, and the inner diameter of the outer cylinder 1 is larger than that of the vertical cylinder 2 c.

The utility model discloses place on open-air horizontally subaerial 10, all pack into screw 11 in every mounting hole 3c, then screw 11, make support 3 fix on subaerial 10, filling liquid clear water etc. in the water gauge, scale mark "0" parallel and level on the upper surface of liquid and scale mark 9, then unscrew valve 2e, during the rainfall, the rainwater is through intaking fill 2, pipe 2a enters into the water gauge, this moment with the rainwater on the scale mark 9 of upper surface parallel and level be measured numerical value promptly, the utility model discloses can directly measure the numerical value of precipitation.

Because the water measuring cylinder 4 is communicated with the branch pipe 8, rainwater does not directly fall into the branch pipe 8 when the rainfall is strong, so that the strong rainfall can not cause the upper surface of the rainwater in the branch pipe 8 to generate splash lines and still keep horizontal, the scale marks of the scale marks 9 corresponding to the upper surface of the rainwater can be easily read, the measured value of the rainfall is more accurate, and the measurement error is smaller.

Because the utility model discloses need not use the rain gauge cup, can directly read out measuring result on the scale mark 9 on the graduated flask, so reduced operating procedure, reduced measuring error, all fall into the rainwater that falls into in this application and all can be surveyed, can not lead to the measuring numerical value to be on the small side.

When the rainwater in the equivalent hydrophone is amassed, need change another new calorimetric meter, open observation door 5, make into water and fill 2 and shift up, the valve 2e of screwing, make the rainwater fall into water and fill 2 in, tak away the calorimetric meter that collects full rainwater, put new calorimetric meter in the original position, then make into water and fill 2 and move down, loosen valve 2e soon, make the rainwater fall into in the calorimetric meter again, at this in-process, can not have the rainwater to fall into the calorimetric meter outside, all rainwater that fall into in this application are all surveyed, can not lead to the measured numerical value to be on the small side, measuring error has been reduced.

Because the observation door 5 is made by transparent material, see through the height that the rainwater in the observation door 5 conveniently surveyd branch pipe 8, open observation door 5 simultaneously, conveniently replace the calorimetric device, operate valve 2e.

The above detailed description of the present invention is provided with reference to the accompanying drawings, but the above description is not intended to limit the present invention, and all modifications or replacements equivalent to or equivalent to the technical solution of the present invention are within the protection scope of the present invention.

Claims

1. A rain gauge is characterized by comprising an outer barrel (1), a water inlet hopper (2), a bracket (3) and a water gauge;

an observation door (5) made of transparent materials is hinged to the side wall of the outer barrel (1);

the water inlet hopper (2) is arranged at the upper part of the outer barrel (1), the inner peripheral wall of the water inlet hopper (2) is connected with a filter screen (7), and the lower end of the water inlet hopper (2) extends to form a conduit (2 a) communicated with the water inlet hopper (2);

the water meter is placed in an outer barrel (1) below a water inlet hopper (2), and comprises a water measuring barrel (4) and branch pipes (8), wherein the branch pipes (8) positioned in the outer barrel (1) are vertically arranged on the outer side of the water measuring barrel (4), the branch pipes (8) correspond to the direction of an observation door (5), scale marks (9) are arranged on the peripheral wall of each branch pipe (8), each branch pipe (8) is a pipe body made of transparent material, the lower end of each branch pipe (8) is bent to be in a horizontal state, penetrates through the lower end of the side wall of the water measuring barrel (4), and is communicated with the inside of the water measuring barrel (4), the scale marks (9) at the highest position on the peripheral wall of each branch pipe (8) are flush with the upper end of the water measuring barrel (4) or are higher than the upper end of the water measuring barrel (4), the upper end of each branch pipe (8) is bent downwards to be in a semicircular shape, and the inner diameter of each branch pipe (8) is smaller than that of the water measuring barrel (4);

the lower part of the conduit (2 a) extends downwards into the upper part of the water measuring cylinder (4);

the outer cylinder (1) is arranged on the top surface of the support (3).

2. A rain gauge according to claim 1, wherein the water inlet funnel (2) is an integral structure formed by a step part (2 b), a vertical tube (2 c) and a funnel part (2 d) which are communicated with each other from top to bottom, the lower end of the funnel part (2 d) extends to form a conduit (2 a), the outer side of the lower end surface of the step part (2 b) is clamped on the upper end surface of the outer tube (1), and the vertical tube (2 c) and the funnel part (2 d) both extend into the outer tube (1).

3. A rain gauge according to claim 2, wherein the step portion (2 b) is a hollow circular truncated cone having a small upper end and a large lower end and penetrating vertically, the inner peripheral wall and the outer peripheral wall of the upper end of the step portion (2 b) intersect each other, the vertical tube (2 c) is a cylindrical body having an outer diameter smaller than the outer diameter of the lower end of the step portion (2 b) and communicating vertically, the upper end of the vertical tube (2 c) and the inner side of the lower end face of the step portion (2 b) meet each other, the inner diameter of the step portion (2 b) is equal to the inner diameter of the vertical tube (2 c), the funnel portion (2 d) is a circular truncated cone having a large upper end and a small lower end and penetrating vertically, the upper end of the funnel portion (2 d) meets the lower end of the vertical tube (2 c), and the inner diameter of the upper end of the funnel portion (2 d) is equal to the inner diameter of the vertical tube (2 c).

4. A rain gauge according to claim 3, characterised in that a valve (2 e) is provided in the conduit (2 a) above the water dosing barrel (4).

5. A rain gauge according to claim 4, characterised in that the branch pipe (8) is a circular pipe and the inner diameter of the water measuring cylinder (4) is 5-6 times the inner diameter of the branch pipe (8).

6. A rain gauge according to claim 5, characterized in that the ratio of the sum of the vertical section of the branch pipe (8) and the internal cross-sectional area of the water gaging barrel (4) to the internal cross-sectional area of the upper end of the water intake hopper (2) is 1.