Hydrological data acquisition device

Abstract

The utility model belongs to the technical field of hydrological data acquisition, and discloses a hydrological data acquisition device which comprises a shell with an opening in the upper end, a rainwater cylinder with a hollow interior is installed in the shell, a collection hopper is arranged at the opening of the shell, and the diameter of the collection hopper is gradually decreased from top to bottom. The collecting hopper is connected with the rainwater cylinder through a connecting pipe, a supporting rod is fixedly arranged on the bottom face of the shell, a supporting plate is fixedly arranged on the bottom face of the supporting rod, and a measuring device used for measuring precipitation is arranged in the shell. The method has the effect of improving the accuracy of the measured data.

Description

Technical Field

[0001] This utility model relates to the field of hydrological data acquisition technology, and in particular to a hydrological data acquisition device. Background Technology

[0002] There are many types of hydrological data acquisition devices, mainly used to monitor elements such as water level, flow rate, precipitation, and water quality. Weighing rain gauges are one type of hydrological data acquisition device. A weighing rain gauge is an instrument used to measure precipitation by weighing the rainwater or snow captured in a container. Based on the weighing principle, it uses a high-precision weighing sensor to measure the pressure changes of precipitation on the inlet in real time, thereby accurately calculating the precipitation intensity and cumulative precipitation.

[0003] Chinese utility model patent with publication number CN207067424U discloses a tipping bucket weighing rain gauge, which includes a rain collector, a tipping bucket, a weighing pan and a weighing sensor arranged from top to bottom. The tipping bucket is fixed on the weighing pan by a support frame connected to the bottom. The weighing pan is set on the weighing sensor. The outlet of the rain collector is provided with a water-stopping device, and the water-stopping device is electrically connected to a tipping bucket position sensor.

[0004] The weighing rain gauge in the above device counts rainfall by constantly moving the tipping bucket back and forth. When the rainfall intensity is high, the tipping frequency of the bucket is too high, which can easily lead to counting errors, and thus errors in the calculated data. Utility Model Content

[0005] To address the aforementioned problems, this utility model provides a hydrological data acquisition device.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a hydrological data acquisition device, comprising an outer shell with an opening at the top, a hollow rainwater tank installed inside the outer shell, a collection hopper provided at the opening of the outer shell, the diameter of the collection hopper gradually decreasing from top to bottom, the collection hopper and the rainwater tank being connected to each other by a connecting pipe, a support rod fixedly provided on the bottom surface of the outer shell, a support plate fixedly provided on the bottom surface of the support rod, and a measuring device for measuring precipitation provided inside the outer shell.

[0007] By adopting the above technical solution, when staff need to measure precipitation, they fix the main body of the device to the ground with a support plate. When it rains, rainwater enters the rainwater cylinder through the collection bucket, which then enables the measuring device to measure the precipitation. During this process, the measuring device can stably measure the precipitation, thereby reducing the probability of measurement data errors and improving the accuracy of the measurement data.

[0008] Furthermore, the measuring device includes four mounting rods arrayed on the bottom wall of the housing, a weighing platform fixedly mounted on the upper surface of the four mounting rods, and four weighing sensors arrayed on the bottom surface of the rainwater tank, with each of the four weighing sensors corresponding to one of the four mounting rods.

[0009] By adopting the above technical solution, when rainwater enters the rainwater cylinder through the collection hopper, the load cell senses the weight change inside the rainwater cylinder and converts it into an electrical signal. The processing unit receives the electrical signal and corrects the data through temperature compensation, digital filtering and other technologies to calculate the rainfall and rainfall intensity. In this process, the load cell array is distributed on the weighing platform, and the four mounting rod arrays are distributed on the bottom surface of the weighing platform, which can ensure that the load cell is evenly stressed, improve the measurement accuracy, and thus improve the accuracy of the measurement data.

[0010] Furthermore, the upper surface of the weighing platform is arrayed with four mounting slots, each of which contains a mounting block. The four mounting blocks are respectively fixed to the four weighing sensors, and the mounting slots are equipped with fixing mechanisms for fixing the mounting blocks.

[0011] Furthermore, a first fixing hole is provided on the inner wall of the mounting groove, and a second fixing hole is provided on the side wall of the mounting block. The fixing mechanism includes a fixing rod that is slidably disposed in the second fixing hole and a first spring that is fixedly disposed on the side wall of the fixing rod. The other end of the first spring is fixedly disposed on the inner wall of the second fixing hole, and the fixing rod is slidably connected to the first fixing hole.

[0012] By adopting the above technical solution, when the mounting block slides into the mounting groove, the first fixing hole and the second fixing hole are aligned, and the fixing rod slides into the first mounting hole under the action of the first spring, thereby fixing the mounting block in the mounting groove and fixing the load cell on the weighing platform. This reduces the probability of the rainwater tank shaking during use and improves the accuracy of the measurement data.

[0013] Furthermore, two symmetrical connectors are fixedly installed on the inner wall of the rainwater pipe. A sliding sleeve with an open lower end is fixedly installed on the side wall of the two connectors that are close to each other. A sliding rod is slidably installed inside the sliding sleeve, and a float is fixedly installed on the bottom surface of the sliding rod.

[0014] Furthermore, a drain pipe is installed on the bottom surface of the rainwater pipe, which penetrates the outer shell and extends to the outside of the outer shell. A control valve is installed inside the drain pipe. A connecting groove is opened on the outer wall of the slide rod, and an infrared detection sensor is installed in the connecting groove. Two detection elements are installed on the inner wall of the slide sleeve. The infrared detection sensor is electrically connected to the control valve through a controller.

[0015] By adopting the above technical solution, when rainwater enters the rainwater tank, the float rises, causing the sliding rod to slide upwards under the action of the float. This causes the infrared detection sensor to move upwards along with the sliding rod. When the infrared detection sensor is aligned with one of the detection elements set on the inner wall of the sliding sleeve, the infrared detection sensor controls the control valve to open, allowing the rainwater in the rainwater tank to be discharged through the drain pipe. At this time, the float moves downwards, causing the sliding rod and the infrared detection sensor to move downwards. When the infrared detection sensor is aligned with another detection element set on the inner wall of the sliding sleeve, the infrared detection sensor controls the control valve to close, thus continuing to collect rainwater. In this process, the probability of rainwater overflowing from the rainwater tank is reduced.

[0016] Furthermore, the outer casing is made of stainless steel.

[0017] By adopting the above technical solution, the stainless steel casing improves the service life of the device.

[0018] Furthermore, the sidewall of the support plate is provided with an array of mounting holes.

[0019] By adopting the above technical solution, the mounting holes reduce the difficulty for workers to fix the device on the ground.

[0020] In summary, this utility model has the following beneficial effects:

[0021] 1. In this application, when the staff needs to measure the precipitation, the staff fixes the main body of the device to the ground with the support plate. When it rains, the rainwater enters the rainwater cylinder through the collection bucket, and then the measuring device measures the precipitation. In this process, the measuring device can stably measure the precipitation, thereby reducing the probability of measurement data errors and improving the accuracy of the measurement data.

[0022] 2. In this application, when rainwater enters the rainwater cylinder through the collection hopper, the weighing sensor senses the weight change inside the rainwater cylinder and converts it into an electrical signal. The processing unit receives the electrical signal and corrects the data through temperature compensation, digital filtering and other technologies to calculate the rainfall and rainfall intensity. During this process, the weighing sensor array is distributed on the weighing platform, and the four mounting rod arrays are distributed on the bottom surface of the weighing platform, which can ensure that the weighing sensor is evenly stressed, improve the measurement accuracy, and thus improve the accuracy of the measurement data.

[0023] 3. In this application, when the mounting block slides into the mounting groove, the first fixing hole and the second fixing hole are aligned, and the fixing rod slides into the first mounting hole under the action of the first spring, thereby fixing the mounting block in the mounting groove and fixing the weighing sensor on the weighing platform, thereby reducing the probability of the rainwater tank shaking during use and improving the accuracy of the measurement data. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0025] Figure 2 This is a cross-sectional structural schematic diagram of the measuring device in an embodiment of this utility model;

[0026] Figure 3 yes Figure 2 A magnified structural diagram of A in the middle;

[0027] Figure 4 yes Figure 2 A magnified structural diagram of B in the diagram.

[0028] In the diagram: 1. Outer shell; 11. Rainwater pipe; 12. Collection hopper; 13. Connecting pipe; 14. Support rod; 15. Support plate; 2. Measuring device; 21. Mounting rod; 22. Weighing platform; 23. Weighing sensor; 3. Mounting groove; 31. Mounting block; 4. Fixing mechanism; 41. Fixing rod; 42. First spring; 43. First fixing hole; 44. Second fixing hole; 5. Connecting piece; 51. Sliding sleeve; 52. Sliding rod; 53. Float; 6. Connecting groove; 61. Infrared detection sensor; 7. Mounting hole. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] like Figure 1-4As shown in the illustration, this application discloses a hydrological data acquisition device, including a housing 1, a rainwater pipe 11, a collection hopper 12, a connecting pipe 13, a support rod 14, a support plate 15, a measuring device 2, a mounting block 31, a fixing mechanism 4, a connector 5, a sliding sleeve 51, a sliding rod 52, a float 53, and an infrared detection sensor 61. The housing 1 is a cylindrical structure with an open top, and the rainwater pipe 11 is a hollow cylindrical structure installed inside the housing 1. The collection hopper 12 is located at the opening of the housing 1, and the diameter of the collection hopper 12 gradually decreases from top to bottom. The connecting pipe 13 is a cylindrical structure, and the collection hopper 12 and the rainwater pipe 11 are connected to each other through the connecting pipe 13. The support rod 14 is a cylindrical structure with a vertical axis, and is fixedly installed on the bottom surface of the housing 1. The support plate 15 is a cylindrical structure with its axis coinciding with the axis of the support rod 14, and is fixedly installed on the bottom surface of the support rod 14.

[0031] When staff need to measure rainfall, they fix the main body of the device to the ground using the support plate 15. When it rains, rainwater enters the rainwater cylinder 11 through the collection hopper 12, which in turn enables the measuring device 2 to measure the rainfall. During this process, the measuring device 2 can stably measure the rainfall, thereby reducing the probability of errors in the measurement data and improving the accuracy of the measurement data.

[0032] The measuring device 2 is installed inside the outer casing 1 and is used to measure rainfall. The measuring device 2 includes mounting rods 21, weighing platforms 22, and weighing sensors 23. The mounting rods 21 are cylindrical structures with a vertical axis, and multiple mounting rods 21 are arranged in parallel arrays on the inner bottom wall of the outer casing 1. The weighing platforms 22 are fixedly installed on the upper surfaces of the four mounting rods 21, and multiple weighing sensors 23 are arranged in parallel arrays on the bottom surface of the rainwater tank 11. The four weighing sensors 23 correspond one-to-one with the four mounting rods 21.

[0033] When rainwater enters the rainwater cylinder 11 through the collection hopper 12, the load cell 23 senses the weight change inside the rainwater cylinder 11 and converts it into an electrical signal. The processing unit receives the electrical signal and corrects the data through temperature compensation, digital filtering and other technologies to calculate the rainfall and rainfall intensity. During this process, the load cell 23 array is distributed on the weighing platform 22, and the four mounting rods 21 array is distributed on the bottom surface of the weighing platform 22, which can ensure that the load cell 23 is evenly stressed, improve the measurement accuracy, and thus improve the accuracy of the measurement data.

[0034] The upper surface of the weighing platform 22 has four mounting slots 3. The mounting block 31 is a rectangular block structure. Multiple mounting blocks 31 are provided and installed in multiple mounting slots 3 respectively. The upper surface of the weighing platform 22 has four mounting slots 3. The four mounting blocks 31 are fixed to the four weighing sensors 23 respectively.

[0035] A first fixing hole 43 is provided on the inner wall of the mounting groove 3, and a second fixing hole 44 is provided on the side wall of the mounting block 31. A fixing mechanism 4 is disposed within the mounting groove 3 for fixing the mounting block 31. The fixing mechanism 4 includes a fixing rod 41 and a first spring 42. The fixing rod 41 is a round rod structure and is slidably disposed within the second fixing hole 44, with the fixing rod 41 slidably connected to the first fixing hole 43. One end of the first spring 42 is fixedly disposed on the side wall of the fixing rod 41, and the other end of the first spring 42 is fixedly disposed on the inner wall of the second fixing hole 44.

[0036] When the mounting block 31 slides into the mounting groove 3, the first fixing hole 43 and the second fixing hole 44 are aligned, and the fixing rod 41 slides into the first mounting hole 7 under the action of the first spring 42, thereby fixing the mounting block 31 in the mounting groove 3, and thus fixing the load cell 23 on the weighing platform 22, thereby reducing the probability of the rainwater tank 11 shaking during use, and thus improving the accuracy of the measurement data.

[0037] Two connectors 5 are symmetrically arranged on the inner wall of the rainwater pipe 11. The sliding sleeve 51 is a cylindrical structure with an open bottom and a vertical axis. The sliding sleeve 51 is fixedly arranged on the side walls of the two connectors 5 that are close to each other. The sliding rod 52 is a round rod structure with its axis coinciding with the axis of the sliding sleeve 51. The sliding rod 52 is slidably arranged inside the sliding sleeve 51. The float ball 53 is fixedly arranged on the bottom surface of the sliding rod 52.

[0038] A drain pipe (not shown in the figure) is installed on the bottom surface of the rainwater pipe 11. The drain pipe passes through the outer casing 1 and extends to the outside of the outer casing 1. A control valve (not shown in the figure) is installed inside the drain pipe. A connecting groove 6 is provided on the outer wall of the slide rod 52. An infrared detection sensor 61 is installed in the connecting groove 6. Two detection elements (not shown in the figure) are provided and installed on the inner wall of the slide sleeve 51. The infrared detection sensor 61 is electrically connected to the control valve through a controller. The two detection elements are respectively installed at the upper and lower ends of the slide sleeve 51.

[0039] When rainwater enters the rainwater tank 11, the float 53 floats upward, causing the slide bar 52 to slide upward under the action of the float 53. This causes the infrared detection sensor 61 to move upward along with the slide bar 52. When the infrared detection sensor 61 is aligned with one of the detection elements set on the inner wall of the sliding sleeve 51, the infrared detection sensor 61 controls the control valve to open via the controller, allowing the rainwater in the rainwater tank 11 to be discharged through the drain pipe. At this time, the float 53 moves downward, causing the slide bar 52 and the infrared detection sensor 61 to move downward. When the infrared detection sensor 61 is aligned with another detection element set on the inner wall of the sliding sleeve 51, the infrared detection sensor 61 controls the control valve to close via the controller, thus continuing to collect rainwater. In this process, the probability of rainwater overflowing from the rainwater tank 11 is reduced.

[0040] To extend the lifespan of the device, the housing 1 is made of stainless steel. The stainless steel housing 1 improves the lifespan of the device.

[0041] To reduce the difficulty of the work for the staff, multiple mounting holes 7 are arrayed on the side wall of the support plate 15. The mounting holes 7 reduce the difficulty for the staff to fix the device to the ground.

[0042] The working principle of the hydrological data acquisition device in this embodiment is as follows: When the staff needs to calculate the precipitation, the staff fixes the main body of the device on the ground through the support plate 15. When it rains, the rainwater enters the rainwater tube 11 through the collection bucket 12, thereby enabling the measuring device 2 to calculate the precipitation. In this process, the measuring device 2 can stably measure the precipitation, thereby reducing the probability of measurement data errors and improving the accuracy of the measurement data.

[0043] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected by this utility model. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A hydrological data collection device comprising a housing (1) open at the upper end, characterised in that: The outer shell (1) is equipped with a hollow rainwater tube (11). A collection hopper (12) is provided at the opening of the outer shell (1). The diameter of the collection hopper (12) gradually decreases from top to bottom. The collection hopper (12) and the rainwater tube (11) are connected to each other through a connecting pipe (13). A support rod (14) is fixedly provided on the bottom surface of the outer shell (1). A support plate (15) is fixedly provided on the bottom surface of the support rod (14). A measuring device (2) for measuring precipitation is provided inside the outer shell (1).

2. The hydrological data collection device of claim 1, wherein: The measuring device (2) includes four mounting rods (21) arranged in an array on the bottom wall of the outer shell (1), a weighing platform (22) fixedly installed on the upper surface of the four mounting rods (21), and four weighing sensors (23) arranged in an array on the bottom surface of the rainwater tube (11). The four weighing sensors (23) correspond one-to-one with the four mounting rods (21).

3. The hydrological data collection device of claim 2, wherein: The upper surface of the weighing platform (22) is arrayed with four mounting slots (3), and each of the four mounting slots (3) is provided with a mounting block (31). The four mounting blocks (31) are respectively fixed to the four weighing sensors (23). The mounting slots (3) are provided with a fixing mechanism (4) for fixing the mounting blocks (31).

4. The hydrological data collection device of claim 3, wherein: The inner wall of the mounting groove (3) is provided with a first fixing hole (43), and the side wall of the mounting block (31) is provided with a second fixing hole (44). The fixing mechanism (4) includes a fixing rod (41) slidably disposed in the second fixing hole (44) and a first spring (42) fixedly disposed on the side wall of the fixing rod (41). The other end of the first spring (42) is fixedly disposed on the inner wall of the second fixing hole (44). The fixing rod (41) is slidably connected to the first fixing hole (43).

5. The hydrological data collection device of claim 1, wherein: Two symmetrical connectors (5) are fixedly installed on the inner wall of the rainwater tube (11). A sliding sleeve (51) with an open lower end is fixedly installed on the side wall of the two connectors (5) that are close to each other. A sliding rod (52) is slidably installed inside the sliding sleeve (51). A float ball (53) is fixedly installed on the bottom surface of the sliding rod (52).

6. A hydrological data acquisition device according to claim 5, characterized in that: The bottom surface of the rainwater pipe (11) is equipped with a drain pipe, which penetrates the outer shell (1) and extends to the outside of the outer shell (1). A control valve is installed inside the drain pipe. A connecting groove (6) is opened on the outer wall of the slide rod (52). An infrared detection sensor (61) is installed in the connecting groove (6). Two detection elements are installed on the inner wall of the slide sleeve (51). The infrared detection sensor (61) is electrically connected to the control valve through the controller.

7. The hydrological data collection device of claim 1, wherein: The outer casing (1) is made of stainless steel.

8. The hydrological data collection device of claim 1, wherein: The support plate (15) has multiple mounting holes (7) arranged in an array on its side wall.

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