Portable rainfall metering calibrating device

Abstract

The utility model discloses a portable rainfall metering calibrating device which comprises a rain gauge cylinder, a lifting taking module is installed on the side surface of the rain gauge cylinder, a rain collecting panel is detachably installed at the top end of the interior of the rain gauge cylinder, a water distribution plate is installed below the rain collecting panel, and a water outlet is formed in the top end of the rain gauge cylinder. A water collecting funnel is installed at the lower end of the water distribution plate, a water storage measuring cup is installed below the second tipping bucket, and the rainwater collecting panel and the water storage measuring cup are connected through a lifting taking module. According to the utility model, through the convenient assembly design of the interior of the cylinder body of the rain gauge, when a certain amount of rainwater is collected, the tipping bucket is turned over, the rainwater is discharged into the water storage measuring cup, and the turning frequency of the tipping bucket is recorded through the electronic counter, so that the advantage of convenient rainfall verification is achieved; a gear can be conveniently controlled to perform lifting adjustment on two rack structures, and the rainwater collecting panel and the water storage measuring cup can be conveniently and rapidly taken out.

Description

Technical Field

[0001] The utility model relates to the technical field of rain gauges, in particular to a portable rain gauge measurement and calibration device. Background Art

[0002] Precipitation is a very important factor in meteorological and hydrological research. Currently, tipping bucket rain gauges are commonly used to measure rainfall.

[0003] The Chinese authorized patent document with announcement number CN208847852U relates to a multi-metering characteristic calibration device for a tipping bucket rain gauge, including a water supply system, a weighing system, a counting system and a control system. The water supply system includes a peristaltic pump (2) and a water storage cylinder (11). The flow rate of the peristaltic pump (2) is the simulated rainfall intensity of the tipping bucket rain gauge (1) to be calibrated. The weighing system includes three high-precision electronic balances, namely a total balance (4), a left balance (5) and a right balance (6). The counting system includes a timer (3) and a double wire (9). The control system includes a controller (7) and a communication line (8). The calibration method and device can automatically, efficiently and comprehensively obtain the metering characteristics of the tipping bucket rain gauge, including the relationship between rainfall intensity and total error, rainfall intensity and left and right tipping bucket errors, counting and timing, rain gauge calibration quality and other characteristics, so as to adjust the rain gauge to measure rainfall with higher accuracy, and provide high-precision rainfall data for meteorological and hydrological research.

[0004] The installation and disassembly of the rainfall metering and calibration device in the above-mentioned prior art is relatively cumbersome, the calibration operation is relatively complicated, and the internal calibration components of the rain gauge cannot be quickly taken out. Therefore, it is necessary to develop a portable rainfall metering and calibration device. Utility Model Content

[0005] The utility model aims to provide a portable rainfall metering and calibration device to solve the problems in the prior art proposed in the above background technology that the installation and disassembly of the rainfall metering and calibration device is cumbersome, the calibration operation is complicated, and the calibration components inside the rain gauge cannot be quickly taken out.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable rainfall metering and calibration device, comprising a rain gauge cylinder, a lifting and taking module being installed on the side surface of the rain gauge cylinder, a rain collecting panel being detachably installed at the top inner position of the rain gauge cylinder, a water dividing plate being installed below the rain collecting panel, a water collecting funnel being installed at the lower end of the water dividing plate, a first tipping bucket being installed below the water collecting funnel, a second tipping bucket being installed below the first tipping bucket, a water storage measuring cup being installed below the second tipping bucket, and the rain collecting panel and the water storage measuring cup being connected via the lifting and taking module.

[0007] Preferably, the lifting and taking module comprises a gear structure, a first rack and a second rack.

[0008] Preferably, the center of the surface of the gear structure is fixed to the outer surface of the rain gauge cylinder through an axis, the first rack and the second rack are arranged on both sides of the gear structure, the first rack and the second rack are meshed with the gear structure for transmission, the upper end of the first rack is fixedly connected to the rain collecting panel through a guide rod, the lower end of the second rack is fixedly connected to the water storage measuring cup through a guide rod, and a limiting buckle is provided on the second rack to be fixed to the surface of the rain gauge cylinder.

[0009] Preferably, the first tipping bucket and the second tipping bucket both include a water collecting flap, a movable shaft, a fixed bracket and a water retaining plate.

[0010] Preferably, both ends of the water collecting flap are movably connected to the fixed bracket via a movable shaft, two water baffles are provided, and the two water baffles are symmetrically arranged on both sides of the water collecting flap, and a notch structure is provided on the lower end surface of the water baffle.

[0011] Preferably, a liquid storage box is installed at the lower end of the first tipping bucket, and a liquid outlet pipe is provided at the lower end of the liquid storage box.

[0012] Preferably, a supporting base is provided at the bottom of the rain gauge cylinder, and a slot structure is provided on the surface of the water diversion plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model realizes convenient assembly design for the interior of the rain gauge cylinder. When a certain amount of rainwater is collected, the bucket turns over to discharge the rainwater into the water storage measuring cup, and the number of times the bucket turns over is recorded by an electronic counter, thereby achieving the advantage of convenient rainfall calibration. At the same time, a lifting and taking module is provided, which facilitates the control of gears to lift and adjust the two rack structures, and facilitates and quickly takes out the rain collecting panel and the water storage measuring cup, thereby achieving the advantage of quickly disassembling and taking out the calibration components. The overall installation and use of the device is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is the AA cross-sectional view of the utility model;

[0017] Figure 3 This is a schematic diagram of the side structure of the rain gauge cylinder of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the internal installation structure of the rain gauge cylinder.

[0019] In the figure: 1. Rain gauge cylinder; 2. Support base; 3. Rain collecting panel; 4. Lifting and taking module; 5. Water distribution plate; 6. Water collecting funnel; 7. First tipping bucket; 8. Second tipping bucket; 9. Slot structure; 10. Water collecting flap; 11. Movable shaft; 12. Fixed bracket; 13. Liquid outlet pipe; 14. First rack; 15. Water retaining plate; 16. Gear structure; 17. Second rack; 18. Liquid storage box; 19. Water storage measuring cup. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a portable rainfall metering and calibration device, comprising a rain gauge cylinder 1, a lifting and taking module 4 is installed on the side surface of the rain gauge cylinder 1, a rain collecting panel 3 is detachably installed at the top position of the inner part of the rain gauge cylinder 1, a water dividing plate 5 is installed below the rain collecting panel 3, a water collecting funnel 6 is installed at the lower end of the water dividing plate 5, a first tipping bucket 7 is installed below the water collecting funnel 6, a second tipping bucket 8 is installed below the first tipping bucket 7, a water storage measuring cup 19 is installed below the second tipping bucket 8, and the rain collecting panel 3 and the water storage measuring cup 19 are connected through the lifting and taking module 4.

[0022] Furthermore, the lifting and taking module 4 includes a gear structure 16, a first rack 14 and a second rack 19. The center of the surface of the gear structure 16 is fixed to the outer surface of the rain gauge cylinder 1 through an axis. The first rack 14 and the second rack 17 are arranged on both sides of the gear structure 16. The first rack 14 and the second rack 17 are meshed with the gear structure 16 for transmission. The upper end of the first rack 14 is fixedly connected to the rain collecting panel 3 through a guide rod, and the lower end of the second rack 17 is fixedly connected to the water storage measuring cup 19 through a guide rod. A limiting buckle is arranged on the second rack 17 and is fixed to the surface of the rain gauge cylinder 1. By rotating the gear structure 16, the first rack 14 and the second rack 17 can be driven to mesh with each other for transmission. The first rack 14 and the second rack 17 make vertical linear movements in opposite directions, which can respectively push the rain collecting panel 3 upward and the water storage measuring cup 19 downward, thereby realizing the rapid separation and disassembly of the calibration components.

[0023] Furthermore, the first tipping bucket 7 and the second tipping bucket 8 each include a water collecting flap 10, a movable shaft 11, a fixed bracket 12 and a water baffle 15. The two ends of the water collecting flap 10 are movably connected to the fixed bracket 12 through the movable shaft 11. Two water baffles 15 are provided, and the two water baffles 15 are symmetrically arranged on both sides of the water collecting flap 10. A groove structure is provided on the lower end surface of the water baffle 15. By providing the tipping bucket structure, after rainwater falls onto the surface of the water collecting flap 10 and a certain amount of rainwater is collected, the water collecting flap 10 is tilted and rotated in cooperation with the movable shaft 11 under the action of gravity, and the rainwater can be poured into the water storage measuring cup 19 below.

[0024] Furthermore, a liquid storage box 18 is installed at the lower end of the first tipping bucket 7 , and a liquid outlet pipe 13 is provided at the lower end of the liquid storage box 18 , so as to facilitate the transportation of rainwater collected in the first tipping bucket 7 to the second tipping bucket 8 .

[0025] Furthermore, a support base 2 is provided at the bottom of the rain gauge cylinder 1, and the support base 2 is convenient for supporting and stabilizing the bottom of the rain gauge cylinder 1. A slot structure 9 is provided on the surface of the water diversion plate 5 to facilitate rainwater to pass through the water diversion plate 5 and fall into the water collecting funnel 6.

[0026] Working principle: When in use, a rain collecting panel 3 is detachably installed at the top position of the inner part of the rain gauge cylinder 1, a water dividing plate 5 is installed below the rain collecting panel 3, a water collecting funnel 6 is installed at the lower end of the water dividing plate 5, a first tipping bucket 7 is installed below the water collecting funnel 6, a second tipping bucket 8 is installed below the first tipping bucket 7, and a water storage measuring cup 19 is installed below the second tipping bucket 8. Rainwater falls into the rain collecting panel 3, passes through the water dividing plate 5 and the water collecting funnel 6, and falls into the first tipping bucket 7. Through the tipping bucket structure, after the rainwater falls to the surface of the water collecting flap 10, after a certain amount of rainwater is collected, the water collecting flap 10 is lifted by gravity. Under the action, the movable shaft 11 is tilted and rotated to pour rainwater into the water storage measuring cup 19 below. The number of times the tipping bucket is turned over is recorded by an electronic counter, so as to achieve the advantage of convenient rainfall calibration. The rain collecting panel 3 and the water storage measuring cup 19 are connected through the lifting and taking module 4. The first rack 14 and the second rack 17 can be driven to engage and transmit by rotating the gear structure 16. The first rack 14 and the second rack 17 make vertical linear movements in opposite directions, which can respectively push the rain collecting panel 3 upward and push the water storage measuring cup 19 downward, thereby realizing the rapid separation and disassembly of the calibration components.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable rainfall measurement and calibration device, comprising a rain gauge cylinder (1), characterized in that: A lifting and taking module (4) is installed on the side surface of the rain gauge cylinder (1); a rain collecting panel (3) is detachably installed at the top position of the interior of the rain gauge cylinder (1); a water dividing plate (5) is installed below the rain collecting panel (3); a water collecting funnel (6) is installed at the lower end of the water dividing plate (5); a first tipping bucket (7) is installed below the water collecting funnel (6); a second tipping bucket (8) is installed below the first tipping bucket (7); a water storage measuring cup (19) is installed below the second tipping bucket (8); and the rain collecting panel (3) and the water storage measuring cup (19) are connected via the lifting and taking module (4).

2. A portable rainfall measurement and calibration device according to claim 1, characterized in that: The lifting and taking module (4) comprises a gear structure (16), a first rack (14) and a second rack (17).

3. A portable rainfall measurement and calibration device according to claim 2, characterized in that: The center of the surface of the gear structure (16) is fixed to the outer surface of the rain gauge cylinder (1) through an axis; the first rack (14) and the second rack (17) are arranged on both sides of the gear structure (16); the first rack (14) and the second rack (17) are both meshed with the gear structure (16) for transmission; the upper end of the first rack (14) is fixedly connected to the rain collecting panel (3) through a guide rod; the lower end of the second rack (17) is fixedly connected to the water storage measuring cup (19) through a guide rod; and a limit buckle is arranged on the second rack (17) and fixed to the surface of the rain gauge cylinder (1).

4. A portable rainfall measurement and calibration device according to claim 1, characterized in that: The first tipping bucket (7) and the second tipping bucket (8) both comprise a water collecting flap (10), a movable shaft (11), a fixed bracket (12) and a water retaining plate (15).

5. A portable rainfall measurement and calibration device according to claim 4, characterized in that: The two ends of the water collecting flap (10) are movably connected to the fixed bracket (12) via a movable shaft (11), and two water baffles (15) are provided. The two water baffles (15) are symmetrically arranged on both sides of the water collecting flap (10), and the lower end surface of the water baffle (15) is provided with a notch structure.

6. A portable rainfall measurement and calibration device according to claim 4, characterized in that: A liquid storage box (18) is installed at the lower end of the first tipping bucket (7), and a liquid outlet pipe (13) is provided at the lower end of the liquid storage box (18).

7. A portable rainfall measurement and calibration device according to claim 1, characterized in that: A supporting base (2) is provided at the bottom of the rain gauge cylinder (1), and a slotted hole structure (9) is provided on the surface of the water diversion plate (5).

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