CN212301945U

CN212301945U - Tipping bucket type rain gauge

Info

Publication number: CN212301945U
Application number: CN202021982204.7U
Authority: CN
Inventors: 孙纯虎; 胡庆钢
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-01-05
Anticipated expiration: 2030-09-11

Abstract

A tipping bucket type rain gauge comprises a base, an integrally formed gantry support fixedly arranged on the base, a support fixedly arranged at the top of the gantry support, a rain bearing hopper with the bottom penetrating through the support and fixedly arranged on the support, and a plurality of tipping buckets arranged on the gantry support in a turnover manner, the rainfall sensing mechanism is positioned between the measuring tipping bucket and the tipping bucket above the measuring tipping bucket, and the rainfall sensing mechanism performs rainfall measurement and counting and conveys results to the output terminal for final output of rainfall numerical values. The design has the advantages of small rainfall metering error, high precision and simple structure.

Description

Tipping bucket type rain gauge

Technical Field

The utility model relates to a rainfall monitoring field, especially a tipping bucket formula rain gauge.

Background

The structure of the existing tipping bucket rain gauge generally adopts a support, a tipping bucket, an additional metering tipping bucket and a counting tipping bucket, the assembly is relatively complex, meanwhile, because the parts additionally arranged on the support are generally more, the structure of the support is also more complex, when the metering of large rainfall is carried out, because the existing rain gauge adopts the design of a single tipping bucket, a large amount of rainwater enters the tipping bucket in a short time, the tipping bucket can not be correctly and timely turned over, the rainwater entering the tipping bucket runs off, and therefore the rain gauge can not measure the rainwater entering the tipping bucket currently, and finally the problems of inaccurate rainfall metering and poor precision are caused, in the aspect of precision adjustment, most of the existing tipping bucket rain gauges adopt a left thimble screw and a right thimble screw to carry out error adjustment, and because two sides need to be adjusted simultaneously, therefore, the adjustment is inconvenient, on the other hand, the prior reed switch is fixedly arranged in a narrow space between the counting tipping bucket and the metering tipping bucket, and the problem of damage of the reed switch can be avoided in the long-time rainfall metering process, and the reed switch in the design can not be replaced conveniently in time.

Disclosure of Invention

An object of the utility model is to provide a tipping bucket formula rain gauge that rainfall metering error is little high, the structure is retrencied.

In order to solve the technical problem, the utility model discloses a following technical scheme: a tipping bucket type rain gauge comprises a base, an integrally formed gantry support fixedly arranged on the base, a support fixedly arranged at the top of the gantry support, a rain bearing funnel, a plurality of tipping buckets, a measuring tipping bucket, a rainfall sensing mechanism, an output terminal and a point positioning mechanism, wherein the bottom of the rain bearing funnel penetrates through the support and is fixedly arranged on the support, the plurality of tipping buckets are arranged on the gantry support in a turnable manner, the measuring tipping bucket is arranged at the bottom of the gantry support in a turnable manner, the rainfall sensing mechanism is fixedly arranged on the gantry support, the output terminal is connected and matched with the rainfall sensing mechanism, the gantry support comprises an integrally formed gantry left support and a gantry right support, a plurality of pairs of tipping bucket supporting points for installing the plurality of tipping buckets are arranged on the gantry left support and the gantry right support, the plurality of tipping buckets are arranged on the gantry support in a turnable manner from top to bottom below an outlet at the bottom of the rain bearing funnel through the plurality of pairs of tipping bucket supporting points, a longitudinal, the point positioning mechanism comprises a rotating part with an external thread and a positioning head with an internal thread matched with the external thread, the positioning head comprises a positioning part which can be attached to the inner side of the gantry support and a matching part which is integrally formed with the positioning part, a positioning column for positioning the metering tipping bucket is further fixedly arranged on the positioning part, the internal thread is arranged in the matching part, one-point positioning of the metering tipping bucket is realized through up-and-down sliding adjustment of the matching part in the longitudinal positioning groove and fastening between the rotating part, the rainfall sensing mechanism is positioned between the metering tipping bucket and the tipping bucket above the metering tipping bucket, and the rainfall sensing mechanism carries out measurement counting of rainfall and conveys results to an output terminal for final output of rainfall numerical values.

Further, a plurality of tipping buckets include one-level tipping bucket and second grade tipping bucket that top-down set gradually, the measurement tipping bucket is tertiary tipping bucket, still be equipped with a plurality of longitudinal positioning groove and correspond on the mounted position of one-level tipping bucket, second grade tipping bucket and tertiary tipping bucket and install a point positioning mechanism, still fixed being equipped with on a plurality of location portions is used for fixing a position a plurality of reference columns of one-level tipping bucket, second grade tipping bucket and tertiary tipping bucket, through a plurality of cooperation portions in a plurality of longitudinal positioning groove up-down slide adjust and with screw the fastening between the piece realize one-level tipping bucket, second grade tipping bucket and tertiary tipping bucket one point location.

Furthermore, the rainfall induction mechanism comprises a reed pipe, a magnetic induction reading unit electrically connected with the flowmeter and a pulse output control unit electrically connected with the magnetic induction reading unit, the magnetic induction reading unit comprises an inductance sensor array formed by a plurality of inductance sensors, a switch circuit and a single chip microcomputer circuit, the switch circuit is connected with the single chip microcomputer circuit, the reed pipe collects the overturning action of the metering tipping bucket, the tipping bucket is closed once every overturning, the rainfall represents 0.1mm, and pulse signals converted by the reed pipe are transmitted to the single chip microcomputer circuit through the pulse output control unit to measure the rainwater.

Furthermore, the rainfall sensing mechanism is movably connected with the gantry support through a drawer type mounting shell.

Furthermore, the upper surface of the base is also provided with a level gauge for detecting the position of the base.

The utility model has the advantages that: the utility model carries out the installation of all parts of the rain gauge through the arched portal frame with the support, the portal frame integrally designed and processed is not used in the prior rain gauge frame, more metal cross bar vertical beams are used, the frame structure is simplified, simultaneously, the use of fasteners such as screws and nuts is reduced, the application cost is reduced, the assembly of parts such as tipping buckets with larger body shapes in the rain gauge is simple and firm and is not easy to make mistakes, and the design of directly carrying out tipping bucket pivot on the portal frame is convenient for the adjustment of the balance degree of the integral rain gauge, secondly, the utility model carries out the multi-stage grading measurement of the rain through a plurality of tipping buckets, and avoids the problem that the tipping buckets can not be overturned in time because the rain enters into and is collected too fast when most single-stage tipping bucket rain gauges carry out the measurement, the rain loss and the rain metering is inaccurate, compare in current above-mentioned rain gauge, the utility model discloses a rain gauge measurement is more accurate, and the error is little, and the degree of accuracy precision is promoted by a wide margin, and the third is compared in that two location knobs carry out the error adjustment of rain gauge in the dispatch from the factory or use scene about current most of rain gauges adopt, thereby the design of a point positioning mechanism has avoided the loaded down with trivial details problem that is difficult to the correction error again of two location, and the error when dispatching from the factory or use scene application is littleer, has further promoted the measurement degree of accuracy of whole rain gauge to more adapt to the measurement of bigger rain gauge, satisfy the accurate measurement demand of big rain gauge.

Drawings

Fig. 1 is a schematic view of the overall structure of a dump-bucket rain gauge.

Fig. 2 is a schematic structural view of a gantry support.

Fig. 3 is a side structural schematic view of the gantry support.

Fig. 4 is a schematic view of the installation and matching structure of the gantry support and the one-point positioning mechanism.

FIG. 5 is a schematic view of the engagement of the positioning head and the tightening member.

The part names numbered in the drawings are as follows: 1. a base; 2. a gantry support; 2.1, gantry left support; 2.2, a gantry right support; 2.3, a tipping bucket fulcrum; 3. a support; 4. a rain bearing funnel; 5. three-stage tipping; 6. a rainfall sensing mechanism; 7. a tightening member; 8. positioning the head; 8.1, a positioning part; 8.2, a matching part; 8.3, a positioning column; 10. a first-stage tipping bucket; 11. a second-stage tipping bucket; 12. a level gauge.

Detailed Description

In order to make the utility model realize the technical means, innovative features and functions are easy to understand, and the utility model is further explained below.

As shown in figures 1-5, the tipping bucket type rain gauge of the utility model comprises a base 1, an integrally formed gantry support 2 fixedly arranged on the base 1, a support 3 fixedly arranged on the top of the gantry support 2, a rain-bearing funnel 4 with the bottom passing through the support 3 and fixedly arranged on the support 3, a plurality of tipping buckets arranged on the gantry support 2 in a turnable manner, a measuring tipping bucket arranged at the bottom of the gantry support 2 in a turnable manner, a rain sensing mechanism 6 fixedly arranged on the gantry support 2, an output terminal connected and matched with the rain sensing mechanism 6, and a point positioning mechanism, wherein the gantry support 2 comprises an integrally formed gantry left support 2.1 and a gantry right support 2.2, a plurality of pairs of tipping bucket fulcrums 2.3 for a plurality of tipping buckets to be arranged in a turnable manner are arranged on the gantry left support 2.1 and the gantry right support 2.2, the plurality of tipping buckets are arranged on the gantry support 2 from the bottom of the rain-bearing funnel 4 from top to bottom through the plurality of tipping bucket fulcrums 2.3, the mounting position of the gantry support 2 measuring tipping bucket is also provided with a longitudinal positioning groove and a point positioning mechanism, the point positioning mechanism comprises a screwing piece 7 with external threads and a positioning head 8 with internal threads matched with the external threads, the positioning head 8 comprises a positioning part 8.1 which can be jointed with the inner side of the gantry support 2 and a matching part 8.2 which is integrally formed with the positioning part 8.1, the positioning part 8.1 is also fixedly provided with a positioning column 8.3 for positioning the measuring tipping bucket, the internal thread is arranged in the matching part 8.2, one-point positioning of the metering tipping bucket is realized through the up-and-down sliding adjustment of the matching part 8.2 in the longitudinal positioning groove and the fastening between the matching part and the screwing piece 7, the rainfall sensing mechanism 6 is positioned between the metering tipping bucket and the tipping bucket above the metering tipping bucket, and the rainfall sensing mechanism 6 measures and counts rainfall and transmits the result to an output terminal for final output of a rainfall numerical value. Compare in current hyetometer, the utility model discloses a detection range has broken through current hyetometer and has detected the precision, and its precision is 0.1mm, also guarantees simultaneously that the error of hyetometer is less than or equal to 4% when the hyetometer scope is 0.1-4 mm/min.

In the practical application process, on the one hand, in order to satisfy the multi-stage grading measurement requirement of the rain gauge when carrying out the rainfall measurement, and reduce the large error that the present single-stage tipping bucket produced in the rainfall measurement process, on the other hand, also in order to satisfy the requirement that the rain gauge structure is simplified, reduces the application cost, in a preferred embodiment of the utility model, a plurality of tipping buckets include one-level tipping bucket 10 and second grade tipping bucket 11 that top-down set gradually, the measurement tipping bucket is tertiary tipping bucket 5, still be equipped with a plurality of longitudinal positioning grooves and correspondingly install a positioning mechanism on the mounted position of one-level tipping bucket 10, second grade tipping bucket 11 and tertiary tipping bucket 5, still be equipped with a plurality of reference columns 8.3 that are used for fixing one-level tipping bucket 10, second grade tipping bucket 11 and tertiary tipping bucket 5 on a plurality of positioning portions 8.1 and be adjusted through the upper and lower sliding of a plurality of cooperation portions 8.2 in a plurality of longitudinal positioning grooves and with fasten between the realization one-level tipping bucket 10, second grade tipping bucket 11, In the structure, the three-level tipping bucket 5 is used as the metering tipping bucket, so that the metering precision of the whole rain gauge in the rain metering process is further improved, and the metering error in the heavy rain metering process, particularly the heavy rain metering process, is reduced.

The utility model discloses in, rainfall induction mechanism 6 can adopt more flow induction system or subassembly to carry out the rainfall measurement, and the utility model discloses an in the embodiment, rainfall induction mechanism 6 includes tongue tube, the magnetic induction reading unit of being connected with the flowmeter electricity, reads the pulse output control unit of being connected with the magnetic induction reading unit electricity, the magnetic induction reading unit includes inductance sensor array, switch circuit, the single chip microcomputer circuit that a plurality of inductance sensor constitute, switch circuit and single chip microcomputer circuit are connected, the upset action of measurement tipping bucket is gathered to the tongue tube, and every upset is once closed, represents 0.1mm rainfall to pulse signal that pulse output control unit converted the tongue tube carries out the measurement of rainwater for the single chip microcomputer circuit.

Because the structure of the rainfall sensing device of the existing rainfall gauge is complex, the design of the inner space of the whole rainfall gauge is complex, too much space is not provided for installing the rainfall sensing device, particularly, a reed switch is always installed at the narrow space position of the rainfall gauge, and the rainfall sensing device is difficult to be quickly and timely detached during installation, maintenance and repair, so that the rainfall sensing device 6 can be conveniently replaced, the rainfall sensing device 6 is movably connected with the gantry support 2 through a drawer type installation shell, and the installation shell and the gantry support 2 are movably installed and matched through a plurality of fixing screws. In the practical application process, the plane where the rain gauge is located is not a horizontal plane in controllable environments such as a laboratory, in order to avoid a natural error of rain measurement caused by the fact that the position where the rain gauge is located is a non-planar position, the measurement accuracy of the rain gauge is further improved, the upper surface of the base 1 is further provided with a level 12 for detecting the position of the base, the level 12 can detect the plane where the rain gauge is located before the rain gauge is used for measuring the rain gauge, and then a measurer adjusts the position of the rain gauge, so that the rain gauge is guaranteed to be located at the horizontal position as much as possible for measuring the rain gauge, the measurement error caused by the inclination of the rain gauge is reduced, even if the rain gauge cannot be guaranteed to be always located at the horizontal position for measuring the rain gauge, the error adjustment of the current working state of the rain gauge can be carried out through a point positioning mechanism and an auxiliary error adjusting mechanism according to the level, the metering accuracy of the whole rain gauge is improved.

Although the present invention has been described with reference to the specific embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A tipping bucket formula rain gauge which characterized in that: the rain-proof and rain-proof gantry crane comprises a base (1), an integrally formed gantry support (2) fixedly arranged on the base (1), a support (3) fixedly arranged at the top of the gantry support (2), a rain-bearing funnel (4) with the bottom penetrating through the support (3) and fixedly arranged on the support (3), a plurality of tipping buckets arranged on the gantry support (2) in a turnover manner, a measuring tipping bucket arranged at the bottom of the gantry support (2) in a turnover manner, a rain sensing mechanism (6) fixedly arranged on the gantry support (2), an output terminal connected and matched with the rain sensing mechanism (6), and a point positioning mechanism, wherein the gantry support (2) comprises an integrally formed gantry left support (2.1) and a gantry right support (2.2), a plurality of pairs of tipping bucket fulcrums (2.3) for installing a plurality of tipping buckets are arranged on the gantry left support (2.1) and the gantry right support (2.2), and the plurality of tipping buckets are arranged from the bottom outlet of the rain-bearing funnel (4) from top to bottom through the plurality of tipping bucket fulcrums (2.3 The device is arranged on a gantry support (2), a longitudinal positioning groove is further arranged at the mounting position of the metering tipping bucket of the gantry support (2), a point positioning mechanism is further arranged on the mounting position of the metering tipping bucket of the gantry support (2), the point positioning mechanism comprises a rotating part (7) with an external thread and a positioning head (8) provided with an internal thread matched with the external thread, the positioning head (8) comprises a positioning part (8.1) capable of being attached to the inner side of the gantry support (2) and a matching part (8.2) integrally formed with the positioning part (8.1), a positioning column (8.3) for positioning the metering tipping bucket is further fixedly arranged on the positioning part (8.1), the internal thread is arranged in the matching part (8.2), one-point positioning of the metering tipping bucket is realized through vertical sliding adjustment of the matching part (8.2) in the longitudinal positioning groove and fastening between the rotating part (7), and the rainfall sensing mechanism (6) is positioned between the metering tipping bucket and the tipping bucket above the metering tipping bucket, the rainfall sensing mechanism (6) measures and counts the rainfall and transmits the result to the output terminal for final output of the rainfall numerical value.

2. A dump box rain gauge as set forth in claim 1, wherein: a plurality of tipping buckets include one-level tipping bucket (10) and second grade tipping bucket (11) that top-down set gradually, the measurement tipping bucket is tertiary tipping bucket (5), still be equipped with a plurality of longitudinal positioning groove and correspond on the mounted position of one-level tipping bucket (10), second grade tipping bucket (11) and tertiary tipping bucket (5) and install a point positioning mechanism, still fixedly be equipped with a plurality of reference columns (8.3) that are used for fixing a position one-level tipping bucket (10), second grade tipping bucket (11) and tertiary tipping bucket (5) on a plurality of location portion (8.1), through a plurality of cooperation portion (8.2) in a plurality of longitudinal positioning groove upper and lower slide adjusting and with fasten between piece (7) realize one-level tipping bucket (10), second grade tipping bucket (11) and a little location of tertiary tipping bucket (5).

3. A dump box rain gauge as claimed in claim 1 or 2, wherein: the rainfall sensing mechanism comprises a reed switch, a magnetic induction reading unit electrically connected with a flowmeter and a pulse output control unit electrically connected with the magnetic induction reading unit, wherein the magnetic induction reading unit comprises an inductance sensor array consisting of a plurality of inductance sensors, a switch circuit and a single chip microcomputer circuit, the switch circuit is connected with the single chip microcomputer circuit, the reed switch collects the overturning action of the metering tipping bucket, the tipping bucket is closed once every time of overturning, the rainfall represents 0.1mm, and pulse signals converted by the reed switch are transmitted to the single chip microcomputer circuit through the pulse output control unit to measure the rainwater.

4. A dump box rain gauge as claimed in claim 1 or 2, wherein: the rainfall sensing mechanism (6) is movably connected with the gantry support (2) through a drawer type mounting shell.

5. A dump box rain gauge as set forth in claim 3, wherein: the rainfall sensing mechanism (6) is movably connected with the gantry support (2) through a drawer type mounting shell.

6. A dump box rain gauge as claimed in claim 1, 2 or 5, wherein: the upper surface of the base (1) is also provided with a level gauge (12) for detecting the position of the base.

7. A dump box rain gauge as set forth in claim 3, wherein: the upper surface of the base (1) is also provided with a level gauge (12) for detecting the position of the base.

8. A dump box rain gauge according to claim 4, wherein: the upper surface of the base (1) is also provided with a level gauge (12) for detecting the position of the base.