Outdoor rainfall monitoring device

Abstract

The outdoor rainfall monitoring device comprises a cylinder body, a water collecting hopper, a tipping bucket rain gauge and a rotating shaft, an inner cavity is formed in the cylinder body, a containing cavity is formed in the top of the cylinder body in a concave mode, a through hole is formed in the bottom wall of the inner cavity, the water collecting hopper is fixedly arranged at the top of the containing cavity, and the water collecting hopper is eccentrically communicated with a dripping pipe. A filter screen covers the top of the water collecting hopper, the tipping bucket rain gauge comprises a measuring tipping bucket, the measuring tipping bucket is movably arranged below the water dripping pipe, through grooves are formed in the positions, below the two ends of the measuring tipping bucket, of the bottom wall of the containing cavity, the rotating shaft is rotationally arranged in the barrel, and a plurality of fan blades are fixedly arranged on the outer side wall of the rotating shaft at intervals in the through hole in the circumferential direction; and a cleaning brush is detachably arranged at the top of the rotating shaft above the filter screen. Through the arrangement, the cleaning brush rotates along with the rotating shaft by utilizing the kinetic energy of rainwater falling into the water collecting hopper, foreign matters adhered to the surface of the filter screen are scraped off, the situation that the rainwater cannot smoothly flow into the water collecting hopper due to the blockage of the foreign matters is avoided, and the accuracy of a detection result is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rainfall monitoring technical field, concretely relates to an outdoor rainfall monitoring device. BACKGROUND

[0002] Landslide refers to the soil or rock on the slope, is affected by river erosion, groundwater activity, rainwater soaking, earthquake and artificial cutting slope and other factors, under the action of gravity, the natural phenomenon of sliding down the slope, real-time monitoring rainfall, can predict the change of soil moisture content, so as to take measures in advance to prevent the occurrence of landslide, the tipping bucket rain gauge is a commonly used rainfall detection device.

[0003] The Chinese patent with publication number CN219552686U discloses a rainfall automatic monitoring device, which comprises a base, a shell is sleeved on the base, a water collecting hopper is installed on the top of the shell, an impurity filter screen hopper with a conical shape from small to large is installed on the water collecting hopper, a supporting seat parallel to the base is arranged in the middle of the shell, and a measuring tipping bucket is installed on the supporting seat through a support.

[0004] In the use process of the above-mentioned scheme, the wet impurities adhered to the impurity filter screen hopper are blown off by using natural wind, and the contingency of this cleaning method is large, which leads to poor self-cleaning effect of the above-mentioned scheme. UTILITY MODEL CONTENT

[0005] The utility model intends to provide an outdoor rainfall monitoring device to solve the problem of poor self-cleaning effect of the above-mentioned scheme.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An outdoor rainfall monitoring device comprises a cylinder, a water collecting hopper, a tipping bucket rain gauge and a rotating shaft, the inside of the cylinder has an inner cavity, a containing cavity is concavely arranged above the inner cavity at the top of the cylinder, a through hole penetrating to the bottom wall of the cylinder is formed in the bottom wall of the inner cavity, the water collecting hopper is fixedly arranged at the top of the containing cavity, a drip pipe is eccentrically and communicatively arranged in the inner bottom wall of the water collecting hopper, a filter screen is arranged on the top of the water collecting hopper, the tipping bucket rain gauge comprises a measuring tipping bucket, the measuring tipping bucket is movably arranged below the drip pipe in the containing cavity, a through groove is arranged below both ends of the measuring tipping bucket in the bottom wall of the containing cavity, the rotating shaft is rotatably arranged in the cylinder, the bottom of the rotating shaft is rotatably inserted into the through hole, a plurality of fan leaves are fixedly arranged on the outer side wall of the rotating shaft in the through hole along the circumference at intervals, and a cleaning brush is detachably arranged above the filter screen at the top of the rotating shaft.

[0008] The principle and effect of the technical scheme are as follows:

[0009] The barrel is horizontally placed at a position to be monitored for rainfall, when rainfall occurs, rainwater passes through the filter screen and is collected in the water collecting bucket, then drips downward through the drip pipe, the rainwater dripping from the drip pipe falls into the measuring tipping bucket, when the weight on one side of the measuring tipping bucket reaches a certain value, the measuring tipping bucket will rotate once, the number of rotations of the measuring tipping bucket per unit time is recorded to evaluate the rainfall at the position where the device is placed; when the measuring tipping bucket rotates, the rainwater stored in the measuring tipping bucket flows into the inner cavity through the through groove and flows into the through hole, and in the process of flowing out of the through hole, the rainwater pushes the fan blades to rotate the shaft, and then drives the cleaning brush to rotate along the shaft.

[0010] Through the above setting, the kinetic energy of the rainwater falling into the water collecting bucket drives the shaft to rotate, and the cleaning brush rotates with the shaft, the foreign matter adhering to the surface of the filter screen is scraped off in the rotating process of the cleaning brush, so that the rainwater cannot flow smoothly into the water collecting bucket due to the obstruction of the foreign matter, the problem of poor self-cleaning effect in the above scheme is solved, and the accuracy of the detection result is improved.

[0011] In the utility model, the top wall of the inner cavity is fixedly provided with a funnel outside the two through grooves, and a conical barrel with an open top is rotatably arranged in the inner cavity below the funnel.

[0012] The principle and effect of the technical scheme are as follows:

[0013] In the initial state, the center of gravity of the conical barrel is below the rotating connection point of the conical barrel and the barrel, the funnel collects the rainwater flowing out of the two through grooves and makes the rainwater flow into the conical barrel, as the water volume increases, the center of gravity of the conical barrel is transferred above the rotating connection point of the conical barrel and the barrel, and the conical barrel is overturned after being in an unbalanced state under the disturbance of the water flow, the water in the conical barrel pours into the inner cavity and rushes into the through hole to impact the fan blades.

[0014] Through the above setting, the rainwater flowing down from the containing cavity is collected first, and the fan blades are impacted after the rainwater reaches a certain weight, so that the water flow cannot drive the shaft to rotate due to the small water volume.

[0015] In the utility model, the inner bottom wall of the containing cavity is fixedly provided with baffles with a C-shaped cross section outside the periphery of the two through grooves, and the open ends of the two baffles are oppositely arranged. Through the above setting, it is ensured that the rainwater poured out of the measuring tipping bucket flows into the funnel, and the rainwater is prevented from wetting other parts in the containing cavity.

[0016] In the utility model, the inner bottom wall of the water collecting bucket is fixedly provided with a water blocking cylinder outside the periphery of the shaft. Through the above setting, the rainwater in the water collecting bucket can be prevented from flowing into the containing cavity through the gap between the shaft and the water collecting bucket, and the accuracy of the rainfall detection result of the device is ensured.

[0017] In the utility model, the outer sleeve of the rotating shaft is equipped with a thrust ball bearing, and the upper and lower ends of the thrust ball bearing are connected with the cleaning brush and the water baffle respectively.

[0018] In the utility model, the bottom of the outer side wall of the cylinder body is fixedly provided with a plurality of connecting ears at intervals, each connecting ear is slidably provided with a drill rod, the outer side wall of the drill rod is fixedly sleeved with a support plate below the connecting ear, and the top of the inner bottom wall of the accommodating cavity is fixedly provided with a level.

[0019] In the utility model, the top of the outer side wall of the drill rod is threadedly sleeved with a nut above the connecting ear.

[0020] The principle and effects of the technical scheme are as follows:

[0021] The top of each drill rod is slidably arranged in the corresponding connecting ear, then each drill rod is inserted into the ground at the rainfall position to be measured, the bottom of each connecting ear is arranged on the top of the corresponding support plate, the height of each drill rod extending out of the ground is adjusted until the level is in a horizontal state, finally, the nut is sleeved on the top of each drill rod until the bottom of each nut is pressed against the corresponding connecting ear.

[0022] Through the above arrangement, it can ensure that the tipping bucket rain gauge is in a horizontal state during use, and the sensitivity and accuracy of the tipping bucket rain gauge are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall structure of the utility model;

[0024] Figure 2 It is the utility model axonometric view;

[0025] Figure 3 It is the utility model parts exploded view Figure 1 ;

[0026] Figure 4 It is the utility model parts exploded view Figure 2 . DETAILED DESCRIPTION

[0027] The utility model will be further described in detail in combination with the drawings and embodiments:

[0028] The reference signs in the drawings of the specification include: 10, barrel; 11, inner cavity; 12, containing cavity; 13, through hole; 14, through slot; 15, baffle; 16, connecting lug; 20, water collecting hopper; 21, drip pipe; 22, filter screen; 23, water blocking cylinder; 30, measuring tipping bucket; 40, rotating shaft; 41, fan blade; 50, cleaning brush; 60, funnel; 70, conical barrel; 80, thrust ball bearing; 90, drill rod; 91, support plate; 92, nut.

[0029] Embodiment:

[0030] As shown in the accompanying drawings Figures 1-4 The utility model discloses an outdoor rainfall monitoring devices, including barrel 10, water collecting hopper 20, tipping bucket rain gauge and rotating shaft 40, the inside of barrel 10 has the inner cavity 11, and the top of barrel 10 is recessed with containing cavity 12 above the inner cavity 11, and the bottom wall of inner cavity 11 is provided with the through hole 13 to the bottom wall of barrel 10, water collecting hopper 20 is fixedly arranged at the top of containing cavity 12, and the inner bottom wall of water collecting hopper 20 is eccentrically communicated with drip pipe 21, and the top of water collecting hopper 20 is covered with filter screen 22, tipping bucket rain gauge includes measuring tipping bucket 30, the measuring tipping bucket 30 is movably arranged below drip pipe 21 in containing cavity 12, the bottom wall of containing cavity 12 is provided with through slot 14 below the both ends of measuring tipping bucket 30, rotating shaft 40 is rotatably arranged in barrel 10, the bottom of rotating shaft 40 is rotatably inserted in through hole 13, and the outer side wall of rotating shaft 40 is fixedly provided with a plurality of fan blades 41 in through hole 13 along the circumference interval, and the top of rotating shaft 40 is detachably provided with cleaning brush 50 above filter screen 22.

[0031] In the embodiment, the top wall of the inner cavity 11 is fixedly provided with a funnel 60 outside the two through slots 14, and a conical barrel 70 with an open top is rotatably arranged in the inner cavity 11 below the funnel 60.

[0032] In the embodiment, the inner bottom wall of the containing cavity 12 is fixedly provided with baffles 15 with a C-shaped cross section symmetrically outside the periphery of the two through slots 14, and the open ends of the two baffles 15 are oppositely arranged.

[0033] In the embodiment, the inner bottom wall of the water collecting hopper 20 is fixedly provided with a water blocking cylinder 23 outside the periphery of the rotating shaft 40.

[0034] In the embodiment, the rotating shaft 40 is sleeved with a thrust ball bearing 80, the upper and lower ends of the thrust ball bearing 80 are connected with the cleaning brush 50 and the water blocking cylinder 23 respectively, the rotating shaft 40 and the thrust ball bearing 80 are arranged at intervals without being connected.

[0035] In the embodiment, the bottom of the outer side wall of the barrel 10 is provided with a plurality of connecting ears 16, each of which is slidably provided with a drill rod 90, the outer side wall of the drill rod 90 is fixedly provided with a support plate 91 below the connecting ear 16, and the top of the inner bottom wall of the accommodating cavity 12 is fixedly provided with a level.

[0036] In the embodiment, the top of the outer side wall of the drill rod 90 is threadedly provided with a nut 92 above the connecting ear 16.

[0037] The specific implementation process is as follows:

[0038] The barrel 10 is horizontally placed at a position to be monitored for rainfall, when it rains, the rainwater passes through the filter screen 22 and collects in the water collecting hopper 20, and then drips downward through the dripping pipe 21, the rainwater dripping from the dripping pipe 21 falls into the measuring hopper 30, when the weight on one side of the measuring hopper 30 reaches a certain value, the measuring hopper 30 will rotate once, the number of rotations of the measuring hopper 30 per unit time is recorded to evaluate the rainfall at the position where the device is placed; when the measuring hopper 30 rotates, the rainwater stored in the measuring hopper 30 flows into the inner cavity 11 through the through slot 14 and flows into the through hole 13, the rainwater flowing out of the through hole 13 pushes the fan blade 41 to rotate the shaft 40, thereby driving the cleaning brush 50 to rotate along the shaft 40.

[0039] In the initial state, the center of gravity of the conical barrel 70 is located below the rotating connection point of the conical barrel 70 and the barrel 10, the funnel 60 collects the rainwater flowing out of the two through slots 14 and makes it flow into the conical barrel 70, as the water volume increases, the center of gravity of the conical barrel 70 shifts above the rotating connection point of the conical barrel 70 and the barrel 10, the conical barrel 70 is in an unbalanced state under the disturbance of the water flow and is overturned, the water in the conical barrel 70 pours into the inner cavity 11 and rushes into the through hole 13 to impact the fan blade 41.

[0040] The top of each drill rod 90 is slidably provided in the corresponding connecting ear 16, then each drill rod 90 is inserted into the ground at the position to be measured for rainfall, so that the bottom of each connecting ear 16 is placed on the top of the corresponding support plate 91, the height of each drill rod 90 protruding from the ground is adjusted until the level is in a horizontal state, and finally the nut 92 is threadedly provided on the top of each drill rod 90 until the bottom of each nut 92 tightly presses the corresponding connecting ear 16.

[0041] The above only is the embodiment of the present application, and the well-known specific technical solutions or common knowledge in the scheme are not described in detail. It should be pointed out that, for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An outdoor rainfall monitoring device, characterized by, The utility model relates to a rain gauge, including: a barrel, the inside of the barrel has an inner cavity, the top of the barrel is recessed with a containing cavity above the inner cavity, and the bottom wall of the inner cavity is provided with a through hole penetrating to the bottom wall of the barrel; a water collecting bowl, the water collecting bowl is fixedly arranged at the top of the containing cavity, the inner bottom wall of the water collecting bowl is eccentrically communicated with a drip pipe, and the top of the water collecting bowl is covered with a filter screen; a tipping bucket rain gauge, the tipping bucket rain gauge includes a measuring tipping bucket, the measuring tipping bucket is movably arranged below the drip pipe in the containing cavity, and the bottom wall of the containing cavity is provided with a through slot below both ends of the measuring tipping bucket; a rotating shaft, the rotating shaft is rotatably arranged in the barrel, the bottom of the rotating shaft is rotatably inserted into the through hole, and the outer side wall of the rotating shaft is fixedly provided with a plurality of fan leaves along the circumference of the through hole, and the top of the rotating shaft is detachably provided with a cleaning brush above the filter screen.

2. The outdoor rainfall monitoring apparatus of claim 1, wherein: The top wall of the inner cavity is fixedly provided with a funnel outside both through slots, and a conical barrel with an open top is rotatably arranged below the funnel in the inner cavity.

3. An outdoor rainfall monitoring apparatus as claimed in claim 2, wherein: The inner bottom wall of the containing cavity is fixedly provided with a C-shaped baffle in the outer periphery of both through slots, and the open ends of both baffles are oppositely arranged.

4. An outdoor rainfall monitoring apparatus as claimed in claim 3, wherein: The inner bottom wall of the water collecting bowl is fixedly provided with a water retaining cylinder in the outer periphery of the rotating shaft.

5. An outdoor rainfall monitoring apparatus as claimed in claim 4, wherein: The rotating shaft is provided with a thrust ball bearing, and the upper and lower ends of the thrust ball bearing are connected with the cleaning brush and the water retaining cylinder respectively.

6. An outdoor rainfall monitoring apparatus as claimed in any one of claims 1 to 5 wherein: The bottom of the outer side wall of the barrel is fixedly provided with a plurality of connecting ears, each connecting ear is slidably provided with a drill rod, the outer side wall of the drill rod is fixedly provided with a support plate below the connecting ear, and the top of the inner bottom wall of the containing cavity is fixedly provided with a level.

7. An outdoor rainfall monitoring apparatus as claimed in claim 6, wherein: The top of the outer side wall of the drill rod is threadedly provided with a nut above the connecting ear.

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