CN214252628U

CN214252628U - Hopper for tipping bucket type rain gauge and rain gauge

Info

Publication number: CN214252628U
Application number: CN202120410434.4U
Authority: CN
Inventors: 孙学帅; 司光海
Original assignee: Shandong Saien Electronic Technology Co ltd
Current assignee: Shandong Saien Electronic Technology Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-09-21
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a precipitation measuring instrument field, the funnel bottom pipe of having solved among the prior art tipping bucket formula rain gauge is thicker, leads to the big problem of measuring error. The hopper for the tipping bucket type rain gauge comprises a hopper body, wherein a conical water outlet body is arranged at the bottom of the hopper body, at least two channels communicated with the hopper body are arranged on the water outlet body, a flow guide column is arranged at the bottom of the water outlet body, and the flow guide column is coaxial with the water outlet body. The water in the funnel flows out through the passageway on the play water body, because play water body is the toper, will collect the most advanced at play water body under the effect of surface tension during rivers play passageway, the guide post that is located play water body most advanced will lead to rivers, make rivers keep the surface at the guide post under the effect of surface tension, it is thinner to have guaranteed to flow by the funnel, the tipping bucket only need turn over less angle and can make rivers fall in the one side that begins to rise, avoided too much water to fall in one side that the tipping bucket descends and caused measuring error, measuring accuracy has been improved.

Description

Hopper for tipping bucket type rain gauge and rain gauge

Technical Field

The utility model relates to a precipitation measuring instrument field especially relates to a hopper and rain gauge for tipping bucket formula rain gauge.

Background

The tipping bucket type rain gauge is a hydrological and meteorological instrument for measuring the rainfall in nature and converting the rainfall into digital information quantity expressed in the form of switching value to be output so as to meet the requirements of information transmission, processing, recording and display. The working principle of the tipping bucket type rain gauge is as follows: rainwater collected by the rainwater collector falls onto the tipping bucket through the funnel, the tipping bucket can rotate around a horizontal shaft, the shaft is located in the middle of the tipping bucket, the middle of the tipping bucket is divided into two parts which are not communicated through a partition plate, when the rainwater on one side of the partition plate reaches a preset weight, the tipping bucket starts to turn over, one side containing the rainwater descends, and the other side ascends. The permanent magnet steel is arranged on the tipping bucket, the reed pipe on the base can measure the overturning times of the tipping bucket, the rainfall required for one overturning of the tipping bucket is fixed, the specific numerical value of the tipping bucket can be determined through presetting, the rain collecting area of the rain collector is known, the overturning times of the tipping bucket in a certain time are recorded, and the rainfall can be obtained through calculation.

The traditional hopper rain gauge adopts a traditional hopper, a bottom circular tube is thick, so that water in the hopper can fall into the other side of the hopper only after the hopper rotates by a large angle, and before the water falls into the descending side of the hopper, measurement errors are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tipping bucket formula is funnel and hyetometer for hyetometer has solved among the prior art funnel bottom pipe of tipping bucket formula hyetometer and is thicker, leads to the big problem of measuring error.

A hopper for a tipping bucket type rain gauge comprises a hopper body, wherein a conical (conical or pyramidal) water outlet body is arranged at the bottom of the hopper body, at least two channels communicated with the hopper body are arranged on the water outlet body, a flow guide column is arranged at the bottom of the water outlet body (namely the tip of the water outlet body), and the flow guide column is coaxial with the water outlet body. The utility model discloses during the use, tipping bucket formula is funnel setting in tipping bucket formula rain gauge for rain gauge, be located the tipping bucket top, the water in the funnel flows out through the passageway on the play water body, because the play water body is the toper, will collect the most advanced at the play water body under the effect of surface tension during rivers play passageway, the guide post that is located the most advanced of play water body will lead to rivers, make rivers keep on the surface of guide post under the effect of surface tension, it is thinner to have guaranteed to flow by the funnel, the tipping bucket only needs to turn less angle and can make rivers fall in the one side that begins to rise, avoided too much water to fall in one side that the tipping bucket descends and caused measuring error, measuring accuracy has been improved.

Furthermore, the cross section of the channel is circular, the channel forms an opening on the outer side wall of the water outlet body, and one part of the inner wall of the channel is positioned on the flow guide column. Along with the reduction of height, the inner wall area of passageway will reduce gradually, is favorable to rivers to the passageway inner wall to collect under the effect of surface tension, has avoided the sudden change of passageway inner wall area to lead to rivers to break through surface tension's restriction because inertia, breaks away from the passageway inner wall, leads to water to flow through thick, reduces the measuring accuracy.

Further, the axis of the channel is parallel to the axis of the water outlet body. When the funnel is used, the axis of the funnel body is vertical, and the area of the inner wall of the channel is gradually reduced along with the reduction of the height. The flow collection to the inner wall of the channel under the action of the surface tension is facilitated, and the phenomenon that the water flows coarsely due to the fact that the water flow breaks through the limitation of the surface tension due to inertia and breaks away from the inner wall of the channel due to the sudden change of the area of the inner wall of the channel is avoided, and the measurement accuracy is reduced.

Furthermore, the axis of the channel is intersected with the axis of the water outlet body, the axis of the funnel body is vertical when the funnel is used, the channel gradually approaches to the axis of the water outlet body along with the reduction of the height, and the channels are uniformly distributed on the circumference of the axis of the water outlet body. The area of the inner wall of the channel is more gradually reduced as the height is reduced. The flow collection to the inner wall of the channel under the action of the surface tension is facilitated, and the phenomenon that the water flows coarsely due to the fact that the water flow breaks through the limitation of the surface tension due to inertia and breaks away from the inner wall of the channel due to the sudden change of the area of the inner wall of the channel is avoided, and the measurement accuracy is reduced.

Further, the water outlet body is coaxial with the funnel body. The channel is communicated with the lowest point of the funnel body, so that the water in the funnel can be completely discharged through the channel.

Furthermore, the water outlet body is provided with at least three channels which are uniformly distributed on the circumference of the water outlet body. The flow of water in each channel can be reduced by increasing the number of the channels, namely, the mass of the water flowing through the channels in unit time is reduced, so that the inertia of the water is reduced, the water is prevented from breaking through the limitation of surface tension due to the inertia, the water is prevented from flowing through the inner wall of the channels, the water flowing thickness is reduced, and the measuring accuracy is reduced.

Further, the bottom of the funnel body is provided with a connecting part in a round platform shape, a cavity is arranged in the connecting part, and the cavity is communicated with the funnel body and the channel.

The rain gauge comprises a base, an outer barrel is connected to the base, a tipping bucket is sequentially arranged on the base from bottom to top, the tipping bucket type rain gauge funnel, a rain collector, two limiting supporting mechanisms and two reed pipe mechanisms, the tipping bucket type rain gauge funnel, the rain collector, the two limiting supporting mechanisms and the two reed pipe mechanisms are located inside the outer barrel, two vertical plates are arranged on the base, a rotating shaft is arranged between the two vertical plates, two ends of the rotating shaft are respectively connected with the vertical plates through jewel bearings, the tipping bucket is fixed on the rotating shaft, the two limiting supporting mechanisms are symmetrically arranged on two sides of the rotating shaft, the two reed pipe mechanisms are symmetrically arranged on two sides of the rotating shaft, a positioning column is arranged at the top of each vertical plate, a positioning sleeve is arranged on the tipping bucket type rain gauge funnel, the positioning sleeve is sleeved on the positioning column, and the tipping bucket type rain gauge funnel is fixed on the base.

Furthermore, the limiting support mechanism comprises a nut seat arranged on the base, a limiting bolt in threaded connection with the nut seat and a limiting block arranged on the tipping bucket, and the limiting bolt is located below the limiting block and can support the limiting block. The height of the two sides of the tipping bucket is ensured to be the same when the two sides of the tipping bucket are positioned at the lowest point by adjusting the height of the limiting bolt.

Further, the reed pipe mechanism comprises a supporting platform arranged on the base, a reed pipe arranged on the top of the supporting platform and permanent magnet steel arranged on the tipping bucket. The reed pipe is matched with the permanent magnet steel to measure the overturning times of the tipping bucket.

Furthermore, a water tank is arranged on the base, the bottom of the water tank is a cylindrical surface, and a water outlet is formed in the lowest position of the bottom of the water tank. The water tank can collect rainwater and discharge the rainwater through the water outlet.

According to the technical scheme, the utility model has the advantages of it is following:

because the play water body is the toper, will collect the most advanced at the play water body under the effect of surface tension during rivers play passageway, the water conservancy diversion post that is located a water body most advanced will lead to rivers, make rivers keep on the surface of water conservancy diversion post under the effect of surface tension, guaranteed that the rivers that flow by the funnel are thinner, the tipping bucket only need to turn over less angle and can make rivers fall in the one side that begins to rise, avoided too much water to fall in the one side that the tipping bucket descends and caused measuring error, the measuring accuracy has been improved.

Drawings

In order to illustrate the technical solution of the present invention more clearly, the drawings that are needed in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a schematic view of the structure of the hopper for the tipping bucket rain gauge of the present invention.

Fig. 2 is a top view of the hopper for the tipping bucket rain gauge of the present invention.

Fig. 3 is an enlarged view of a region a in fig. 1 according to the present invention.

Fig. 4 is an external structure schematic diagram of the rain gauge of the present invention.

Fig. 5 is a schematic view of the internal structure of the present invention.

Fig. 6 is a schematic view of the structure of the tipping bucket of the present invention.

1. The funnel body, 2, play water body, 3, passageway, 4, water conservancy diversion post, 5, connecting portion, 6, base, 7, tipping bucket, 8, rain collector, 9, riser, 10, axis of rotation, 11, nut seat, 12, spacing bolt, 13, stopper, 14, urceolus.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the embodiments described below are only some embodiments, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given in the present patent without making any creative effort, shall fall within the scope of protection of the present patent.

Example 1

As shown in fig. 1-3, a hopper 7 type rain gauge funnel includes a funnel body 1, a conical (conical or pyramidal) outlet body 2 is disposed at the bottom of the funnel body 1, at least two channels 3 communicated with the funnel body 1 are disposed on the outlet body 2, a flow guiding column 4 is disposed at the bottom of the outlet body 2 (i.e., at the tip of the outlet body 2), and the flow guiding column 4 is coaxial with the outlet body 2. Hopper 7 formula rain gauge is with funnel setting in hopper 7 formula rain gauge, be located hopper 7 top, the water in the funnel flows out through passageway 3 on the play water body 2, because play water body 2 is the toper, will collect the most advanced at play water body 2 under the effect of surface tension during rivers play passageway 3, the guide post 4 that is located play water body 2 most advanced will lead to rivers, make rivers keep on the surface of guide post 4 under the effect of surface tension, it is thinner to have guaranteed by the rivers that the funnel flows out, hopper 7 only need rotate less angle and can make rivers fall in the one side that begins to rise, avoided too much water to fall in one side that hopper 7 descends and caused measuring error, measuring accuracy has been improved. Three channels 3 are arranged on the water outlet body 2, and the channels 3 are uniformly distributed on the circumference of the water outlet body 2. Increasing 3 quantity of passageway can reduce the flow of water in every passageway 3, reduce the quality of the water that flows through passageway 3 in unit time promptly to reduce the inertia of water, avoid water because inertia breaks through surface tension's restriction, break away from 3 inner walls of passageway, lead to water to flow through thick, reduce the accuracy of measuring. The bottom of the funnel body 1 is provided with a connecting part 5 in the shape of a circular truncated cone, a cavity is arranged in the connecting part 5, and the cavity is communicated with the funnel body 1 and the channel 3. The cross section of the channel 3 is circular, the channel 3 forms an opening on the outer side wall of the water outlet body 2, and a part of the inner wall of the channel 3 is positioned on the flow guide column 4. Along with the reduction of height, the inner wall area of passageway 3 will reduce gradually, is favorable to rivers to be converged to passageway 3 inner wall under the effect of surface tension, has avoided the sudden change of passageway 3 inner wall area to lead to rivers to break through surface tension's restriction because inertia, breaks away from passageway 3 inner wall, leads to water to flow through thick, reduces the measuring accuracy. The axis of the channel 3 is parallel to the axis of the outlet body 2. When in use, the axis of the funnel body 1 is vertical, and the area of the inner wall of the channel 3 is gradually reduced along with the reduction of the height. The device is favorable for the water flow to converge towards the inner wall of the channel 3 under the action of surface tension, and avoids the phenomenon that the water flow is rough due to the fact that the water flow breaks through the limitation of the surface tension due to inertia and breaks away from the inner wall of the channel 3 caused by the sudden change of the area of the inner wall of the channel 3, and the measurement accuracy is reduced. The water outlet body 2 is coaxial with the funnel body 1. The channel 3 is communicated with the lowest point of the funnel body 1, so that the water in the funnel can be completely discharged through the channel 3.

Example 2

The difference between the present embodiment and embodiment 1 is that the axis of the channel 3 intersects with the axis of the water outlet body 2, the axis of the funnel body 1 is vertical in use, the channel 3 gradually approaches to the axis of the water outlet body 2 along with the reduction of the height, and the channels 3 are evenly distributed on the circumference of the axis of the water outlet body 2. The area of the inner wall of the channel 3 is more gradually reduced as the height is reduced. The device is favorable for the water flow to converge towards the inner wall of the channel 3 under the action of surface tension, and avoids the phenomenon that the water flow is rough due to the fact that the water flow breaks through the limitation of the surface tension due to inertia and breaks away from the inner wall of the channel 3 caused by the sudden change of the area of the inner wall of the channel 3, and the measurement accuracy is reduced.

Example 3

As shown in fig. 4-6, the rain gauge comprises a base 6, an outer barrel 14 is connected to the base 6, a tipping bucket 7, a hopper for the tipping bucket 7 type rain gauge, a rain collector 8, two limit support mechanisms and two reed pipe mechanisms are sequentially arranged on the base 6 from bottom to top, the tipping bucket 7, the hopper for the tipping bucket 7 type rain gauge, the rain collector 8, the two limit support mechanisms and the two reed pipe mechanisms are all positioned inside the outer barrel 14, two vertical plates 9 are arranged on the base 6, a rotating shaft 10 is arranged between the two vertical plates 9, two ends of the rotating shaft 10 are respectively connected with the vertical plates 9 through jewel bearings, the tipping bucket 7 is fixed on the rotating shaft 10, the two limit support mechanisms are symmetrically arranged on two sides of the rotating shaft 10, the two reed pipe mechanisms are symmetrically arranged on two sides of the rotating shaft 10, positioning columns are arranged on the tops of the vertical plates 9, positioning sleeves are arranged on the hopper for the tipping bucket 7 type rain gauge and are sleeved on the positioning columns, a hopper 7 type rain gauge is fixed to a base 6 by a funnel. The base 6 is provided with a water tank, the bottom of the water tank is a cylindrical surface, and the lowest part of the bottom of the water tank is provided with a water outlet. The water tank can collect rainwater and discharge the rainwater through the water outlet. The limiting support mechanism comprises a nut seat 11 arranged on the base 6, a limiting bolt 12 in threaded connection with the nut seat 11 and a limiting block 13 arranged on the tipping bucket 7, wherein the limiting bolt 12 is positioned below the limiting block 13 and can support the limiting block 13. The height of the dump bucket 7 at the lowest point is ensured to be the same by adjusting the height of the limit bolt 12. The reed pipe mechanism comprises a supporting platform arranged on the base 6, a reed pipe arranged on the top of the supporting platform and permanent magnet steel arranged on the tipping bucket 7. The reed switch is matched with the permanent magnet steel to measure the overturning times of the tipping bucket 7.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a hopper-type is funnel for rain gauge, a serial communication port, including funnel body (1), the bottom of funnel body (1) is equipped with conical play water body (2), be equipped with at least two passageway (3) that communicate with funnel body (1) on going out water body (2), the bottom of going out water body (2) is equipped with water conservancy diversion post (4), water conservancy diversion post (4) are coaxial with play water body (2), passageway (3) form the opening on the lateral wall of going out water body (2), and a part of passageway (3) inner wall is located water conservancy diversion post (4).

2. A skip bucket rain gauge hopper as claimed in claim 1 wherein the axis of the channel (3) is parallel to the axis of the body of water (2).

3. A skip hopper rain gauge hopper as claimed in claim 1 wherein the axis of the channel (3) intersects the axis of the body of water (2) and the channels (3) are circumferentially evenly distributed about the axis of the body of water (2).

4. A skip bucket rain gauge funnel according to claim 2 or 3, wherein the water outlet body (2) is coaxial with the funnel body (1).

5. A hopper-type rain gauge hopper according to claim 4, wherein said outlet body (2) is provided with at least three channels (3), said channels (3) being circumferentially and uniformly distributed on said outlet body (2).

6. A hopper for a dump bucket rain gauge according to claim 4, wherein the bottom of the hopper body (1) is provided with a truncated cone-shaped connecting part (5), and a cavity is arranged in the connecting part (5), and is communicated with the hopper body (1) and the channel (3).

7. Rain gauge, characterized by, including base (6), tipping bucket (7), the tipping bucket formula rain gauge of any one of claims 1-6 uses funnel, rain collector (8), two spacing supporting mechanism and two tongue tube mechanisms on base (6) from bottom to top in proper order, be equipped with two risers (9) on base (6), be equipped with axis of rotation (10) between two risers (9), axis of rotation (10) both ends are connected with riser (9) through the jewel bearing respectively, tipping bucket (7) are fixed on axis of rotation (10), two spacing supporting mechanism set up the both sides at axis of rotation (10) symmetrically, two tongue tube mechanisms set up the both sides at axis of rotation (10) symmetrically, riser (9) top is equipped with the reference column, be equipped with the location sleeve on the tipping bucket formula rain gauge uses the funnel, the location sleeve cup joints on the reference column.

8. The rain gauge according to claim 7, wherein the limit support mechanism comprises a nut seat (11) provided on the base (6), a limit bolt (12) screwed on the nut seat (11), and a limit block (13) provided on the dump box (7), wherein the limit bolt (12) is located below the limit block (13) and can provide support for the limit block (13).

9. A rain gauge according to claim 8, wherein the reed switch mechanism comprises a support base arranged on the base (6), a reed switch arranged on top of the support base and permanent magnet steel arranged on the dump box (7).

10. A rain gauge according to claim 7, 8 or 9, wherein the base (6) is provided with a water tank, the bottom of the water tank is a cylindrical surface, and the lowest part of the bottom of the water tank is provided with a water outlet.