WO2021029481A1

WO2021029481A1 - Hybrid precipitation meter capable of adjusting amount of water collection

Info

Publication number: WO2021029481A1
Application number: PCT/KR2019/012343
Authority: WO
Inventors: 남지현
Original assignee: 남지현
Priority date: 2019-08-14
Filing date: 2019-09-23
Publication date: 2021-02-18
Also published as: KR102106563B1

Abstract

The present invention relates to a hybrid precipitation meter capable of adjusting the amount of water collection. The technical problem to be solved is to reduce measurement errors occurring in a tipping cup due to local heavy rain or a rapid increase in the amount of rainwater to be measured by adjusting the amount of rainwater collected in the tipping cup when the amount of rainwater collected in the tipping cup reaches a certain capacity. Disclosed is a hybrid precipitation meter capable of adjusting the amount of water collection, comprising: for example, a water-collecting cup which collects rainwater and discharges same downward through a discharge path; a tipping bucket which collects the rainwater discharged from the water-collecting cup and performs a seesaw motion according to the weight of the collected rainwater; a first load cell which measures the weight of the rainwater collected in the tipping bucket; a sensor which detects a left and right rotation according to the seesaw motion of the tipping bucket; a control part which measures the amount of precipitation by counting the rotations of the tipping bucket through the sensor, outputs a first control signal when the rotations of the tipping bucket is detected through the sensor, and outputs a second control signal when a second weight is measured, the second weight being less than a first weight measured through the first load cell when the tipping bucket is rotated; and an automatic valve which operates to reduce the opening rate of the discharge path by a certain value when the second control signal is output and to increase the opening rate of the discharge path to the maximum when the first control signal is output.

Description

Hybrid precipitation meter with controllable collection amount

An embodiment of the present invention relates to a hybrid precipitation meter capable of controlling the amount of water collected.

The precipitation meter is a device for measuring precipitation, and the tipping bucket type precipitation meter is most commonly used. Conventional tipping bucket type precipitation meter has a base fixedly installed horizontally on the ground or in a predetermined place, and a collecting cup that is fixedly installed on the top of the base to collect water and stably discharge it downward, and is installed on the upper bracket. At the bottom of the, a tipping cup that operates from the left and right according to the amount (quantity) of rainwater dropped is connected to the lower bracket.

In addition, on the lower bases of both sides of the tipping cup, when the water contained in the tipping cup is discharged through a seesaw motion, left and right drainage bins are formed to guide the water to the ground. The inner bottom of the drain can be opened so that rainwater flowing from the tipping cup is discharged to the bottom of the base.

In addition, as rainwater dropped from the collecting cup alternately flows into the left and right compartments of the tipping cup, the tipping cup operates left and right seesaw.At this time, a sensor connected to the rear of the lower bracket through the rotation axis detects the left and right movement of the tipping cup. , Such a sensor senses the left and right rotation of the tipping cup by a magnetic body installed on the internal rotation shaft and a reed switch installed close to the magnetic body, and generates a pulse signal as a detection signal. In this way, the amount of precipitation is measured by counting the left and right rotation of the tipping cup (pulse signal). In the case of the conventional tipping bucket type precipitation meter configured as described above, there is a problem that an error occurs in the tipping cup due to the rapid increase in the amount of rainwater during a localized heavy rain. There is a need to develop a precipitation system that can reduce errors.

In the embodiment of the present invention, when the amount of rainwater collected in the tipping cup reaches a certain capacity, the amount of rainwater collected in the tipping cup is adjusted to cause localized heavy rain or the amount of rainwater to be measured to increase rapidly. It provides a hybrid precipitation meter that can reduce measurement errors.

A hybrid precipitation meter capable of controlling a collection amount according to an embodiment of the present invention includes: a collection cup collecting rainwater and discharging it downward through a discharge path; A tipping bucket for collecting rainwater discharged from the collecting cup and operating a seesaw according to the weight of the collected rainwater; A first load cell measuring the weight of rainwater collected in the tipping bucket; A sensor for detecting a left and right rotation according to a seesaw motion of the tipping bucket; The amount of precipitation is measured by counting the rotation of the tipping bucket through the sensor, outputting a first control signal when the rotation of the tipping bucket is detected through the sensor, and measured through the first load cell when the tipping bucket is rotated. A controller configured to output a second control signal when measured with a second weight less than the first weight; And an automatic valve operating to reduce an opening rate of the discharge path by a certain value when the second control signal is output, and to maximize an opening rate of the discharge path when the first control signal is output.

In addition, when the first weight, which is a first collecting capacity for rotation of the tipping bucket, is measured through the first load cell, the control unit outputs the first control signal to the automatic valve, and the first collecting capacity is When the second weight of 70% to 90% is measured, the second control signal may be output to the automatic valve.

In addition, the tipping bucket, a tipping cup divided into left and right; A rotating shaft for rotating through a seesaw operation of the tipping cup; And a motor connected to the rotation shaft to operate the seesaw of the tipping cup, wherein the control unit includes the tipping bucket through the first load cell when the weight of rainwater collected in the tipping bucket does not increase for a preset time. After measuring a third weight, which is the weight of rainwater collected in the tipping bucket, a third control signal is output to the motor so that the rainwater collected in the tipping bucket is forcibly discharged, and the weight of the next rainwater is measured through the first load cell. When a fourth weight obtained by subtracting the third weight from the first weight is measured, the third control signal is output to the automatic valve, and the rotation of the tipping bucket is counted once to measure the amount of precipitation.

In addition, the automatic valve controls such that the opening rate of the discharge path is 100% when receiving the first control signal, and the opening rate of the discharge path is 10% to 50% when the second control signal is received. It can be controlled as much as possible.

In addition, it further comprises a second load cell for measuring the weight of the rainwater collected in the collecting cup, the control unit, when the weight of the rainwater measured through the second load cell exceeds a preset second collecting capacity, the discharge A third control signal for increasing the furnace opening rate may be output to the automatic valve.

In addition, a heater installed in the tipping bucket and operated to prevent freezing of rainwater collected in the tipping bucket below a preset temperature may be further included.

According to the present invention, when the amount of rainwater collected in the tipping cup reaches a certain capacity, the amount of rainwater collected in the tipping cup is adjusted to measure localized heavy rain or the amount of rainwater to be measured, which occurs in the tipping cup. A hybrid precipitation meter that can reduce errors can be provided.

1 is a perspective view of a hybrid precipitation meter capable of controlling a collection amount according to an embodiment of the present invention.

2 is a front view of a hybrid precipitation meter capable of controlling a collection amount according to an embodiment of the present invention.

3 is a side view of a hybrid precipitation meter capable of controlling a collection amount according to an embodiment of the present invention.

4 is a rear view of a hybrid precipitation meter capable of controlling a collection amount according to an embodiment of the present invention.

5 to 7 are enlarged perspective views of a central portion of a hybrid precipitation meter capable of adjusting a collection amount according to an embodiment of the present invention.

1 is a perspective view of a hybrid precipitation meter capable of adjusting the amount of water collection according to an embodiment of the present invention, FIG. 2 is a front view of a hybrid precipitation meter capable of adjusting the amount of water collection according to an embodiment of the present invention, and FIG. A side view of a hybrid precipitation meter capable of adjusting the amount of water collection according to an embodiment, Figure 4 is a rear view of a hybrid precipitation meter capable of adjusting the amount of water collection according to an embodiment of the present invention, and FIGS. 5 to 7 are examples of the present invention. It is an enlarged perspective view of the central part of a hybrid precipitation meter capable of adjusting the amount of water collected according to the following.

1 to 7, a hybrid precipitation meter 100 capable of adjusting a collection amount according to an embodiment of the present invention includes a collection cup 110, a tipping bucket 120, a first load cell 130, and a sensor 140. ), a control unit 150, an automatic valve 160, a second load cell 170, a heater 180, and a knob 190. In addition, the hybrid precipitation meter 100 of this embodiment may basically include a base 10 and a bracket 20.

The base 10 is a means for supporting the main body of the hybrid precipitation meter 100 and is made of a substantially circular plate, and under the plate may include a support for supporting the plate horizontally with the ground. . Various components constituting the hybrid precipitation meter 100 may be installed on the base 10.

Meanwhile, the hybrid precipitation meter 100 may further include a case for covering and protecting the main body of the hybrid precipitation meter 100, and the case is formed in a cylindrical shape and may be detached from the outer periphery of the base 110.

The bracket 20 is vertically installed on the base 10, and various parts of the hybrid precipitation meter 100 may be installed. For example, the housing bracket 120 includes a collecting cup 110, a tipping bucket 120, a first load cell 130, a sensor 140, a control unit 150, an automatic valve 160, and a second load cell 170. ), various parts such as the knob 190 may be fixed.

The collecting cup 110 may be disposed at the top of the hybrid precipitation meter 100, and may be formed in a substantially funnel shape to collect rainwater and discharge the collected rainwater downward through the discharge path 111.

The tipping bucket 120 may be coupled to the housing bracket 120 so as to be disposed under the collecting cup 110. The tipping bucket 120 collects rainwater discharged from the collecting cup 110 and may perform a seesaw operation according to the weight of the collected rainwater. To this end, the tipping bucket 120 is divided into left/right sides, and the tipping cup 141 through a seesaw operation of the tipping cup 121 and the tipping cup 121 for collecting rainwater discharged from the collecting cup 110 respectively. It may include a rotation shaft 122 for rotating the rotation shaft 122, a motor 123 connected to the rotation shaft 122 to rotate the rotation shaft 122 according to an external control signal to force the tipping cup 121 to operate the seesaw. .

The first load cell 130 is installed under the tipping bucket 120 and may measure the weight of rainwater collected in the tipping cup 121.

The sensor 140 may detect the left and right rotation according to the seesaw operation of the tipping bucket 120. More specifically, the sensor 140 is connected to the rotation shaft 122 to detect the rotation of the rotation shaft 122 according to the left and right seesaw motion of the tipping cup 121, and the magnetic body installed on the rotation shaft 122 and the magnetic body are close to the magnetic body. It is possible to detect the left and right rotation of the tipping cup 121 by the installed reed switch, and generate a pulse signal as a detection signal.

The controller 150 may measure precipitation by counting the rotation of the tipping bucket 120 through the sensor 140. More specifically, the amount of precipitation may be measured by counting the pulse signal generated by the sensor 140.

In addition, the control unit 150 outputs a first control signal when the rotation of the tipping bucket 120 through the sensor 140 is detected, and the first control signal measured through the first load cell 130 when the tipping bucket 120 is rotated. When measured with a second weight less than the weight, a second control signal may be output. Here, the first weight is a first collection capacity for rotation of the tipping bucket 120, and more specifically, may be the weight of rainwater set so that the tipping cup 121 automatically rotates to perform a seesaw operation.

More specifically, when the first weight, which is the first collection capacity for rotation of the tipping bucket 120, is measured through the first load cell 130, the control unit 150 transmits a first control signal to the automatic valve 160. When the second weight, which is 70% to 90% of the first collecting capacity, is measured through the first load cell 130, a second control signal may be output to the automatic valve 160. A detailed description of the operation of the automatic valve 160 according to the first control signal and the second control signal will be described later.

On the other hand, the control unit 150 measures a third weight, which is the weight of rainwater collected in the tipping bucket through the first load cell 160, when the weight of rainwater collected in the tipping bucket 120 has not increased for a preset time. After the rainwater collected in the tipping bucket 120 is forcibly discharged, a third control signal is output to the motor 123, and the third weight is subtracted from the first weight when measuring the weight of the next rainwater through the first load cell 160. When the fourth weight is measured, a third control signal is output to the motor 123 and then the rotation of the tipping bucket 120 is counted once to measure the amount of precipitation.

For example, rainwater is collected in the tipping cup 121, but as a result of measuring the weight of rainwater through the first load cell 130, it is determined that the amount of rainwater has not increased to 20g to the target value of 31.4g for a certain period of time. Then, a third control signal is output to the motor 123 to forcibly discharge 20g of rainwater contained in the tipping cup 121 to the drainage container 11, and at this time, the measured amount of rainwater, 20g, is stored. Thereafter, when the tipping cup 121 starts to be filled with rainwater, when 11.4g is measured by subtracting the stored 20g from the target value of 31.4g, the third control signal is output to the motor 123, and 11.4g of rainwater is transferred to the drainage canister 11. After controlling to be emptied, the amount of precipitation may be measured by counting the rotation of the tipping cup 121 once. Here, measuring the amount of precipitation means measuring the amount of precipitation as it is recognized that the tipping cup 121 has rotated once, and at this time, the amount of precipitation may be measured without receiving a pulse signal from the sensor 140.

The automatic valve 160 reduces the opening rate of the discharge path 111 by a certain value when receiving the second control signal from the control unit 150, and reduces the opening rate of the discharge path 111 when receiving the first control signal. You can perform an action to maximize it.

For example, when the first control signal is received from the control unit 150 (when the tipping bucket 120 is rotated), the automatic valve 160 controls the opening rate of the discharge path 111 to be 100%, When the second control signal is received from the control unit 150, the opening rate of the discharge path 111 may be adjusted so that the opening rate of the discharge path 111 is 10% to 50%. That is, when the amount of rainwater discharged through the automatic valve 160 reaches 70-90% of the desired rainwater capacity in the tipping cup 121, the amount of water collected in the tipping cup 121 is reduced by about 50-90%. When the desired amount of rainwater is collected in the tipping cup 121 and the tipping cup 121 rotates, the discharge path 111 can be completely opened again (100% open rate).

The automatic valve 160 may be a ball valve composed of a motor, a solenoid valve, etc., but in this embodiment, a specific configuration of the automatic valve 160 is not limited, and rainwater discharged through the discharge port 111 Any valve configured to adjust the amount is applicable.

The second load cell 170 may measure the weight of rainwater collected in the collecting cup 110. At this time, the control unit 150 automatically valves a third control signal for increasing the opening rate of the discharge path 111 when the weight of rainwater measured through the second load cell 170 exceeds a preset second collection capacity. It can be output as (160). That is, when rainwater enough to measure precipitation is collected in the collecting cup 110 by using the second load cell 170 and the automatic valve 160, the control unit 150 completely opens the discharge path 111 to measure precipitation. Thus, the precipitation measurement operation is started.

The heater 180 is installed in the tipping bucket 120 and may operate to prevent freezing of rainwater collected in the tipping bucket 120 below a preset temperature. More specifically, the heater 180 is installed on the tipping cup 121 and operates when the temperature decreases to 4 degrees Celsius or less during winter to prevent the rainwater collected in the tipping cup 121 from freezing. Such a heater-like configuration may be installed in the collecting cup 110, the discharge port 111, and the like.

The knobs 190 are respectively installed at the left and right lower portions of the tipping cup 121 to limit the rotation angle during the seesaw movement of the tipping cup 121, and accordingly, the amount of rainwater discharged from the tipping cup 121 or It can play a role in controlling the weight.

In a situation where the amount of rainwater collected rapidly increases, such as a localized heavy rain, an error occurs in the amount of rainwater contained in the tipping cup and the measured value. If so, it is possible to minimize the error generated in the tipping cup by controlling the amount of rainwater collected by the tipping cup to be reduced from the detection point to the target value.

Claims

A collecting cup for collecting rainwater and discharging it downward through a discharge path;

A tipping bucket for collecting rainwater discharged from the collecting cup and operating a seesaw according to the weight of the collected rainwater;

A first load cell measuring the weight of rainwater collected in the tipping bucket;

A sensor for detecting a left and right rotation according to a seesaw motion of the tipping bucket;

The amount of precipitation is measured by counting the rotation of the tipping bucket through the sensor, outputting a first control signal when the rotation of the tipping bucket is detected through the sensor, and measured through the first load cell when the tipping bucket is rotated. A controller configured to output a second control signal when measured with a second weight less than the first weight; And

And an automatic valve operating to reduce the opening rate of the discharge path by a certain value when the second control signal is output, and to maximize the opening rate of the discharge path when the first control signal is output. Hybrid precipitation meter that can control the amount of water collected.
The method of claim 1,

The control unit,

When the first weight, which is a first collection capacity for rotation of the tipping bucket, is measured through the first load cell, the first control signal is output to the automatic valve,

When the second weight, which is 70% to 90% of the first collection capacity, is measured, the second control signal is output to the automatic valve.
The method of claim 2,

The tipping bucket,

Tipping cup divided into left and right;

A rotating shaft for rotating through a seesaw operation of the tipping cup; And

It is connected to the rotation shaft and includes a motor for operating the tipping cup seesaw,

The control unit,

When the weight of rainwater collected in the tipping bucket does not increase for a preset time, a third weight, which is the weight of rainwater collected in the tipping bucket, is measured through the first load cell, and then the rainwater collected in the tipping bucket is forced. Outputting a third control signal to the motor to be discharged,

When measuring the weight of the next rainwater through the first load cell, when the fourth weight is measured by subtracting the third weight from the first weight, the third control signal is output to the automatic valve, and then the tipping bucket is rotated once. Hybrid precipitation meter capable of controlling the amount of water collected by counting and measuring precipitation.
The method of claim 2,

The automatic valve,

When the first control signal is received, the opening rate of the discharge path is controlled to be 100%,

A hybrid precipitation meter capable of controlling a collection amount, characterized in that when the second control signal is received, the opening rate of the discharge path is controlled to be 10% to 50%.
The method of claim 1,

Further comprising a second load cell for measuring the weight of rainwater collected in the collecting cup,

The control unit,

When the weight of rainwater measured through the second load cell exceeds a preset second collection capacity, a third control signal for increasing the opening rate of the discharge path is output to the automatic valve. Hybrid precipitation meter available.
The method of claim 1,

And a heater installed in the tipping bucket and operating to prevent freezing of rainwater collected in the tipping bucket below a preset temperature.