Collector of the precipitation gauge
Patent Information
- Application Number
- KR1020250171178
- Authority / Receiving Office
- KR · KR
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2025-11-13
- Publication Date
- 2026-09-23
- Estimated Expiration
- 2045-11-13
Smart Images

Figure 112025126830472-PAT00006_ABST
Abstract
Description
Technology Field
[0001] The present invention relates to a water collection port for a rain gauge, and more specifically, to a water collection port for a rain gauge configured to prevent water overflow when a large amount of rainwater flows in by increasing the water storage capacity of the collection port and to ensure that a cushioning action is naturally performed even when discharged through the discharge port, thereby preventing errors in the tipping cup operation due to the pressure of the discharged water, while reducing costs through a simple structure. Background Technology
[0002] A rain gauge is a device that measures all forms of water falling from the sky, and it can be referred to as a device that includes both rain gauges for measuring rain and snow gauges for measuring rain and snow.
[0003] The general configuration of such a precipitation meter will be explained with reference to FIGS. 1 to 3.
[0004] The above-described precipitation meter includes a base part (10) having a support (11) that is fixedly supported on a floor surface, and a cylindrical cover part (20) that is detachably fixed to the upper part of the base part (10).
[0005] A water inlet (21) into which water (rainwater or snow) flows is formed at the top of the above cover part (20), a water tank (22) for collecting the flowing water is formed inside the water inlet (21), and a filter net (23) is installed at the top of the water tank (22).
[0006] In addition, a collection port (30) is installed at the bottom of the water tank (22) to collect water discharged through the discharge port (24) of the water tank (22) and stably discharge it to the tipping cup (40) below. At the bottom of the collection port (30), a tipping cup (40) is installed to receive a certain amount of water dropped through the collection port (30) and to move left and right in a seesaw motion according to the amount. At the bottom of the tipping cup (40), a support part (50) is installed to adjust the radius of the seesaw motion of the tipping cup (40). A sensor part (60) is configured to be connected to the rotation axis (43) of the tipping cup (40). The collection port (30), tipping cup (40), support part (50), and sensor part (60) are configured to be mounted on a vertical bracket (12) formed on the base part (10).
[0007] In addition, on the base portions (10) at the lower sides of the tipping cup (40), a first drain pipe (71) and a second drain pipe (72) are formed to receive and guide the water contained in the first cup portion (41) and the second cup portion (42) of the tipping cup (40) to be drained to the ground when discharged by a seesaw motion.
[0008] If we examine the operation of the precipitation gauge configured in this way,
[0009] Water (rainwater, etc.) flowing into the water tank (22) through the water outlet (21) is discharged to the receiving portion (33) of the water collection port (30) through the discharge hole (24) of the water tank (22), and the water flowing into the receiving portion (33) of the water collection port (30) is dropped into the tipping cup (40) through the discharge portion (32) at the bottom.
[0010] Water discharged from the tipping cup (40) flows alternately into the first cup section (41) and the second cup section (42), and the tipping cup (40) moves left and right on the upper part of the support section (50). At this time, a sensor section (60) connected to the rotation axis (43) of the tipping cup (40) detects this left and right rotation, and the amount of precipitation is measured through a control section not shown.
[0011] The sensor unit (60) detects the left and right rotation of the rotation axis (60) by using a magnetic body installed at the rear end of the rotation axis (43) of the tipping cup (40) and a reed switch installed in close proximity to the magnetic body.
[0012] In this operation, if we examine the structure of the above-mentioned water collection port (30) in detail,
[0013] It can be seen that the above-mentioned water collection port (30) is composed of an inclined portion (31) that forms an inner receiving portion (33) in the shape of a funnel, and a nozzle portion (32) formed at the lower center of the inclined portion (31).
[0014] The above-described water collection port (30) configured in this manner is structured so that water discharged through the discharge hole (24) of the water tank (22) flows into the receiving section (33), slides through the inclined section (31), and is discharged directly downward through the lower nozzle section (32). Therefore, when a large amount of water flows in through the water tank (22), the pressure of the water discharged through the discharge section (32) becomes high, and phenomena such as vortex generation occur.
[0015] In this case, water flowing into the first cup portion (41) and the second cup portion (42) of the tipping cup (40) is not supplied stably, so a measurement error (malfunction) often occurs.
[0016] Therefore, in order to solve such problems, the applicant’s registered patent publication 10-1198533 (hereinafter referred to as ‘prior art’) discloses a rainfall and snow gauge that enables accurate measurement by improving the structure of the catch basin and tipping cup.
[0017] The above prior art provides the advantage of improving measurement efficiency by supplying a constant (small amount) and stable stream of water to a tipping cup installed at the bottom, by additionally installing a nozzle part at the bottom of a funnel-shaped collection port (cup) and buffering the falling speed of rainwater through the internal space formed by the funnel part and the nozzle part so that it is discharged in the form of continuous water droplets through the nozzle.
[0018] However, the above prior art had the problem of increased production costs and additional assembly processes by adding a separate nozzle section at the bottom while improving the structure of the water collection port, and the upper structure of the water collection port was in the shape of an inverted triangle with a funnel shape, so the volume of the receiving section (33) was relatively small, and when a large amount of rainwater flowed in due to weather anomalies, the water capacity of the water collection port (30) was exceeded and overflowed.
[0019] In this case, water overflowing from the receiving portion (33) of the above-mentioned water collection port (30) fell into the tipping cup (40), causing a malfunction in the tipping cup operation that is tilted by the precise weight operation, and also, the water overflowing from the water collection port (30) caused corrosion and rust on surrounding equipment parts, which also caused problems affecting product performance. Prior art literature
[0020] Registered Patent Publication 10-1198533 (Registration Date: October 31, 2012) Registered Patent Publication 10-1034954 (Registration Date: May 6, 2011) Registered Patent Publication 10-2106563 (Registration Date: April 24, 2020) Registered Patent Publication 10-1180312 (Registration Date: August 31, 2012) The problem to be solved
[0021] The present invention aims to solve the aforementioned problems. The objective of the present invention is to provide a water collection port for a rain gauge that prevents water overflow when a large amount of rainwater flows in by increasing the water storage capacity of the collection port, and ensures that a buffering action is naturally performed even when discharged through the discharge port, thereby preventing errors in the tipping cup operation due to the pressure of the discharged water, while reducing costs through a simple structure. means of solving the problem
[0022] The present invention for achieving such an objective is characterized by comprising: a vertical side portion forming a cylindrical receiving portion having a square cross-section; a circular bottom portion integrally formed at the lower part of the vertical side portion; and a circular discharge portion protruding downward through a discharge hole formed in the center of the bottom portion.
[0023] In addition, according to the present invention, the bottom portion is characterized by being configured to further form a bottom slope portion that slopes downward at a certain angle toward the central discharge hole.
[0024] In addition, according to the present invention, the angle of the bottom slope is characterized as being 148 to 152 degrees.
[0025] In addition, according to the present invention, the contact surface portion of the vertical side portion and the bottom portion is characterized by being configured to further form a curved portion having a certain curvature.
[0026] In addition, according to the present invention, the upper portion of the vertical side portion is further characterized by having an expanded portion formed therein that expands the entrance portion at a certain angle.
[0027] In addition, according to the present invention, the lower portion of the discharge part is further characterized by having a sloped portion formed therein. Effects of the invention
[0028] Thus, the present invention provides the effect of minimizing the loss of rainfall and increasing measurement accuracy by forming a receiving portion with a square cross-section to enable a relatively large amount of fresh water, thereby preventing overflow as much as possible when a large amount of rainwater flows in due to extreme weather conditions.
[0029] Furthermore, the present invention provides the advantage of improving measurement precision by preventing unnecessary pressure from being applied to the tipping cup, as the incoming water is buffered and discharged through the discharge port rather than being immediately discharged downward through the discharge port even when a large volume of rainwater with high pressure flows in due to the square-shaped large-capacity receiving structure, while also improving production costs and assembly ease through a simple structure.
[0030] In addition, the present invention provides the effect of preventing clogging of the discharge hole by configuring the bottom portion to be inclined downward at a certain angle toward the central discharge portion so that foreign substances contained in the incoming water are discharged without being deposited.
[0031] In addition, the present invention provides the effect of preventing sediment from accumulating by treating the contact surface between the vertical side and the bottom portion into a curved surface with a certain curvature (circular processing), thereby allowing water flowing into the receiving portion to be smoothly discharged through the curved portion. Brief explanation of the drawing
[0032] FIG. 1 is a diagram of the configuration of a conventional precipitation gauge, FIG. 2 is a schematic side cross-sectional view of FIG. 1. FIG. 3 is a schematic internal configuration diagram of FIG. 1 above, FIG. 4 is a side cross-sectional view of a rain gauge to which a collection port of the rain gauge according to the present invention is applied. FIG. 5 is a perspective view of the water collection port of a precipitation meter according to the present invention. FIG. 6 is a side cross-sectional view of the water collection port of a precipitation meter according to the present invention. Specific details for implementing the invention
[0033] Preferred embodiments of the present invention will be described in more detail below with reference to the attached drawings.
[0034] First, it should be noted that when assigning reference numerals to the components of each drawing, identical components are assigned the same reference numeral whenever possible, even if they are shown in different drawings. Furthermore, in describing the present invention, detailed descriptions of related known functions or configurations are omitted if it is determined that such detailed descriptions could unnecessarily obscure the essence of the invention.
[0035] FIG. 4 is a side cross-sectional view of a rain gauge to which the collection port of the rain gauge according to the present invention is applied.
[0036] As described above, the precipitation meter to which the collection port of the precipitation meter according to the present invention is applied is,
[0037] A base part (10), a cover part (20) fixedly installed on the upper part of the base part (10) with a receiving port (21) formed at the top for water inflow and a water tank (22) formed inside the receiving port (21) for collecting the inflowed water, a collecting port (100) installed at the bottom of the water tank (22) for collecting water discharged through the discharge hole (24) of the water tank (22) and discharging it to a tipping cup (40) below, a tipping cup (40) installed at the bottom of the collecting port (100) for receiving a certain amount of water discharged through the collecting port (100) and performing a seesaw motion left and right according to the amount, a support part (50) for adjusting the radius of the seesaw motion of the tipping cup (40), a sensor part (60) connected to the rotation axis (43) of the tipping cup (40), and on both lower sides of the tipping cup (40). It includes a first drain pipe (71) and a second drain pipe (72) that are installed on the base part (10) and receive water contained in the first cup part (41) and the second cup part (42) of the tipping cup (40) when it is discharged by a seesaw motion, and guide it to be drained to the ground.
[0038] In such a precipitation meter, the characteristic configuration of the present invention is the configuration of the water collection port (100).
[0039] As shown in FIGS. 5 and 6, the above-mentioned water collection port (100) includes a vertical side portion (110) forming a cylindrical receiving portion (111) with a square cross-section, a circular bottom portion (120) formed integrally at the bottom of the vertical side portion (110), and a circular discharge portion (130) formed protruding downward through a discharge hole (131) formed in the center of the bottom portion (120).
[0040] The above-mentioned water collection port (100) having such a structure first provides the characteristic that the volume of the receiving portion (111) is relatively increased and the water storage capacity is increased due to the structure having a square cross-section compared to the conventional funnel-shaped water collection port structure.
[0041] In this way, as the water storage capacity of the water collection port (100) increases, when a large amount of rainwater flows into the receiving portion (111) of the water collection port (100) through the water tank (22) and the discharge port (24) due to weather changes and simultaneously discharges water through the discharge port (131) of the discharge portion (130), the large water storage capacity of the receiving portion (111) prevents the water from overflowing out of the receiving portion (111) as much as possible.
[0042] For reference, conventional funnel-shaped water collection ports have a small water storage capacity, so the water in the receiving section overflows before the water can be discharged to the discharge section, and the overflowing water falls and applies a certain weight to the tipping cup (40), causing problems such as measurement errors or hindering precise measurement.
[0043] In addition, the above-mentioned water collection port (100) has a large water storage capacity in the receiving portion (111), thereby preventing water overflow and preventing the problem of corrosion and rust on surrounding components.
[0044] In addition, the above-mentioned water collection port (100) is provided with the feature that, unlike conventional water collection ports (22), by eliminating the funnel-shaped inclined surface, water flowing in through the discharge port (24) of the water tank (22) is not immediately discharged through the discharge port (131) of the discharge section (130) even if it has strong pressure, but is buffered by the square-shaped receiving section (111) and discharged through the discharge port (131), thereby preventing excessive pressure beyond the specified amount from being applied to the tipping cup (40) located at the bottom.
[0045] Therefore, the left and right seesaw motion of the tipping cup (40) is stabilized, which increases the measurement precision.
[0046] In addition, the bottom portion (120) of the above-mentioned water collection port (100) is configured to further form a bottom slope portion (121) that slopes downward at a certain angle (a) toward the central discharge hole (131).
[0047] The above-mentioned bottom slope (121) is designed so that foreign substances contained in the water flowing into the receiving section (111) do not accumulate on the bottom section (120) but are naturally discharged along the slope, thereby preventing the discharge hole (131) from being blocked by foreign substances contained in the water, such as dust, water stains, small fallen leaves, or insect eggs.
[0048] The angle of the bottom slope (121) is preferably 148 to 152 degrees. If the angle is less than 148 degrees, the slope angle is low and water does not flow (discharge) well, and if the angle exceeds 152 degrees, there is a problem that the volume of the receiving portion (111) decreases.
[0049] In addition, the above-mentioned water collection port (100) is configured such that the contact surface between the vertical side portion (110) and the bottom portion (120) further forms a curved portion (140) having a certain curvature.
[0050] The above curved surface (140) is formed by processing the contact surface of the vertical side portion (110) and the bottom portion (120) into a circular shape, thereby guiding water flowing into the receiving portion (111) to be discharged well through the curved surface (140) to the discharge hole (131), and at the same time providing the effect of ensuring that foreign substances contained in the water are not deposited and are smoothly discharged through the discharge hole (131).
[0051] In addition, the upper portion (112) of the vertical side portion (110) is configured to further form an expanded portion (113) with the entrance portion expanded at a certain angle.
[0052] The above-mentioned expansion portion (113) expands the inlet portion of the upper portion (112) at a certain angle to widen the range of water inflow from the discharge hole (24) of the water tank (22), thereby minimizing the phenomenon of water splashing out.
[0053] In addition, a slope portion (132) is further formed at the lower part of the discharge portion (130) so that the discharged water has a straight line at the lower part.
[0054] The straightness of the discharged water ensures that the stream of water discharged to the tipping cup (40) becomes constant, thereby increasing the measurement precision.
[0055] If we look at the operation of the rain gauge to which the water collection port (100) of the present invention configured as described above is applied,
[0056] First, water (rainwater, etc.) flowing into the water tank (22) through the water outlet (21) is discharged to the receiving portion (111) of the water collection port (100) through the discharge port (24) of the water tank (22).
[0057] At this time, the water flowing into the receiving section (111) is discharged to the tipping cup (40) through the lower discharge section (130).
[0058] Here, the water flowing into the receiving portion (111) of the above-mentioned water collection port (100) becomes fresh water exceeding a certain volume due to the increase in the fresh water capacity of the receiving portion (111), and is simultaneously discharged through the discharge port (131).
[0059] In addition, water flowing in from the above-mentioned water tank (20) undergoes a buffering action due to the square shape structure of the vertical side section (110) and the bottom section (120), and as it passes through the curved section (140) and the bottom slope section (121) of the bottom section (120), foreign substances contained in the flowing water do not accumulate and naturally flow down along the slope and are dropped into the lower tipping cup (40) through the discharge hole (131) of the discharge section (130).
[0060] Accordingly, the tipping cup (40) moves left and right in a seesaw motion according to the volume of water sequentially flowing into the first cup (41) and the second cup section (42), and the sensor section (60) connected to the rotation shaft (43) detects this and measures the amount of precipitation through a control section not shown.
[0061] Meanwhile, although specific embodiments have been described in the detailed description of the present disclosure, it is understood that various modifications are possible within the scope of the present disclosure. Therefore, the scope of the present disclosure should not be limited to the described embodiments, but should be defined by the claims set forth below as well as equivalents thereof. Explanation of the symbols
[0062] 10: Base section 20: Cover section 22: Susujo 40: Tipping cup 50: Base part 60: Sensor part 100: Catch basin 110: Vertical side 111: Receiving part 112: Upper surface part 113: Expanded section 120: Bottom section 121: Bottom slope section 130: Discharge section 131: Discharge port 132: Slope section
Claims
Claim 1 A water collection port of a precipitation meter comprising: a vertical side portion forming a cylindrical receiving portion; a circular bottom portion integrally formed at the lower part of the vertical side portion; and a circular discharge portion protruding downward through a discharge hole formed in the center of the bottom portion, wherein the side cross-sections of the vertical side portion and the bottom portion are configured in a rectangular shape, and the contact surface portion between the vertical side portion and the bottom portion is formed with a curved surface having a certain curvature. Claim 2 A water collection port of a precipitation meter according to claim 1, characterized in that the bottom portion is further configured to have a bottom slope portion formed so as to be inclined downward at a certain angle toward a central discharge hole. Claim 3 A water collection port of a precipitation meter according to claim 2, characterized in that the constant angle of the bottom slope portion is 148 to 152 degrees. Claim 4 delete Claim 5 A water collection port of a precipitation meter according to claim 1, characterized in that an expanded portion is further formed at the upper end of the vertical side portion, with the inlet portion expanded at a certain angle. Claim 6 A water collection port of a precipitation meter according to claim 1, characterized in that a slope portion is further formed at the lower end of the discharge portion.
Citation Information
Patent Citations
Tipping-bucket rain gauge and system providing precipitation information using the same
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Double conduction type rainfall measuring instrument
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Apparatus for measuring precipitation with high accuracy and method for controlling the same
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Weighing precipitation gauge
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