Water surface evaporation capacity monitoring device
By designing a robust water surface evaporation monitoring device, combined with high-precision instruments and an automatic adjustment system, the problem of measurement instability under severe weather and high-temperature conditions was solved, achieving accurate monitoring of water surface evaporation throughout the entire process and improving measurement accuracy and adaptability.
Patent Information
- Application Number
- CN202520147672.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing water surface evaporation monitoring devices are not stable enough under severe weather conditions, resulting in decreased measurement accuracy, and cannot achieve accurate monitoring of the entire process under high temperature and high evaporation conditions.
A combined structure including a lower plate stabilizing device, an evaporator, a water filling device, and a rain gauge device was designed. High-precision instruments such as a conical float, a laser water level gauge, an electromagnetic flow meter, and a tipping bucket rain gauge were used, combined with a stud rubber connector, to achieve stable installation of the device and automatic water level adjustment, ensuring measurement accuracy.
The device remained stable under harsh weather and high-temperature conditions, achieving accurate monitoring of water surface evaporation throughout the entire process, reducing errors, improving measurement accuracy and adaptability, and extending equipment life.
Smart Images

Figure CN223664070U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hydrological monitoring technology, and more specifically, to a device for measuring water surface evaporation. Background Technology
[0002] Water surface evaporation plays a crucial role in the hydrological cycle, directly impacting water resource management and assessment, and is widely applied in fields such as water conservancy, meteorology, ecology, and environment. Accurate measurement of water surface evaporation is of significant value for estimating land evaporation, crop water requirements, and water balance.
[0003] Existing water surface evaporation monitoring devices suffer from insufficient stability of the evaporator during adverse weather conditions, such as strong winds, which may cause water to slosh or splash, further affecting measurement accuracy. In addition, due to the arid climate (especially in the Northwest region) and high summer temperatures, evaporation is intense, leading to drastic changes in the instrument's water level. Although some instruments are connected to automatic water replenishment devices, they can only achieve partial automation and cannot accurately monitor the entire process of water surface evaporation.
[0004] To address this problem, the present invention provides a water surface evaporation monitoring device. Utility Model Content
[0005] To address the shortcomings of existing methods, this utility model provides a water surface evaporation monitoring device, which aims to solve the problem of monitoring the entire evaporation process of water surface evaporators. It is also compatible with various existing water surface evaporators (E601, Φ80, Φ20) and effectively reduces errors caused by drastic changes in water level.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] A water surface evaporation monitoring device includes a lower plate stabilizing device, an evaporator, a water filling device, and a rain gauge device. The evaporator acts on the lower plate stabilizing device through a stud rubber connector. The water filling device and the rain gauge device are fixed to the lower plate stabilizing device together by bolts.
[0008] Furthermore, the lower plate stabilizing device is a hollow conical float in the shape of a cone, with a hollow lower part and a solid upper part. The top of the hollow conical float is provided with a water inlet hole, and a debris screen is provided on the outside of the water inlet hole. An elastic switch rubber pad that relies on the weight of water to close is built inside.
[0009] Furthermore, multiple sets of unidirectional exhaust holes are evenly provided at the upper edge of the lower plate stabilizing device.
[0010] Furthermore, a counterweight is connected to the cone top of the lower plate stabilizing device to increase stability.
[0011] Furthermore, the upper surface of the lower plate stabilizing device is uniformly provided with stud holes adapted to different types of evaporators for connecting the evaporator.
[0012] Furthermore, the laser water level gauge is positioned at the center of the evaporator by fixing a steel wire;
[0013] A buffer rubber pad is provided between the bottom of the evaporator and the lower plate stabilizing device.
[0014] Furthermore, a water level probe is fixed to the left side of the evaporator.
[0015] Furthermore, the water supply device consists of an electromagnetic flow meter, a bidirectional pump, and connecting pipes. The bidirectional pump is installed on the upper surface of the lower plate stabilizing device. Connecting pipes are connected to both the input and output ends of the bidirectional pump, and the connecting pipe at the output end of the bidirectional pump is connected to the evaporator. An electromagnetic flow meter is installed on this connecting pipe.
[0016] Furthermore, the rain gauge device is a tipping bucket self-recording rain gauge.
[0017] Furthermore, the stud rubber connector is composed of a limiting rubber pad and studs. The limiting rubber pad is designed with an arc-shaped structure, and multiple sets of studs are inserted inside it. The lower end of the studs is screwed to the lower plate stabilizing device.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] 1. The lower plate stabilizing device of this utility model is designed as a hollow conical float. The hollow design at the bottom helps to adjust buoyancy, while the solid upper part provides a stable support platform. The counterweight connected to the top of the cone further increases the stability of the device, especially in windy weather, effectively preventing the device from shaking and ensuring the stability of the measurement results.
[0020] 2. The rubber pad between the rubber sleeve of the stud and the upper and lower plate devices of this utility model can reduce the turbulence of the water in the upper plate evaporation device caused by wind and waves on the water surface, reduce the impact of vibration, improve the measurement accuracy, and at the same time buffer the collision between the two parts, reduce mechanical impact, avoid damage to the equipment, thereby extending the service life of the device and increasing the stability of the device.
[0021] 3. In this utility model, the water adding device automatically pumps or drains water according to changes in water level, and the electromagnetic flow meter precisely controls the water volume, ensuring accurate monitoring of the entire process of water surface evaporation. The water adding device can ensure the uniformity of the initial water level every day, eliminating errors caused by differences in water volume each day, and improving monitoring efficiency and accuracy.
[0022] 4. This utility model uses a laser water level gauge to monitor the evaporation of the water surface evaporator, a rain gauge to monitor the rainfall, and a two-way pump and an electromagnetic flow meter to monitor the amount of water exceeding the evaporator. By coupling and analyzing the above processes, it achieves accurate detection of the entire process of evaporation and rainfall.
[0023] 5. The device in this utility model adopts a high-precision laser water level meter, an electromagnetic flow meter, and a tipping bucket self-recording rain gauge, which are used to monitor water level changes, control water replenishment, and record rainfall, respectively. Through the combined use of high-precision instruments, the measurement accuracy of evaporation, rainfall, and discharge is significantly improved, ensuring the accuracy of monitoring data.
[0024] 6. The design of the stud rubber connector in this utility model not only ensures the stable installation of the evaporator, but also allows a certain degree of displacement to adapt to changes in water level, while reducing vibration transmission, enabling the device to adapt to different working environments and conditions, and improving the adaptability of the device. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0026] Figure 2 This is a top view of the present invention.
[0027] Figure 3 This is a partial structural schematic diagram of the present invention.
[0028] In the diagram: 1. Counterweight; 2. Lower plate stabilizing device; 3. Water filling device; 4. Rain gauge device; 5. Evaporator; 6. Water inlet; 7. Trash screen; 8. One-way vent; 9. Electromagnetic flow meter; 10. Water level probe; 11. Laser water level gauge; 12. Stud hole; 13. Limiting rubber pad; 14. Buffer rubber pad; 15. Fixing steel wire; 16. Stud rubber connector; 17. Stud. Detailed Implementation
[0029] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model. The E601B water surface evaporation monitoring device is used as an example, but is not limited to the E601B water surface evaporation monitoring device. Example
[0030] like Figures 1 to 3As shown, a water surface evaporation monitoring device includes a lower plate stabilizing device 2, an evaporator 5, a water filling device 3, and a rain gauge device 4. The evaporator 5 is connected to the lower plate stabilizing device 2 via studs 17 and rubber connectors 16. The water filling device 3 and the rain gauge device 4 are together fixed to the lower plate stabilizing device 2 with bolts. This design solves the problem that existing water surface evaporation monitoring devices, under adverse weather conditions such as strong winds, may experience water sloshing or splashing due to insufficient stability of the evaporator 5, further affecting measurement accuracy. In addition, in hot weather, strong evaporation leads to drastic changes in the instrument's water level. Although some instruments are connected to automatic water replenishment devices, they can only achieve partial automation and cannot achieve accurate monitoring of the entire process of water surface evaporation.
[0031] In this embodiment, the lower plate stabilizing device 2 is a hollow conical float with a hollow lower part and a solid upper part. The hollow lower part helps to adjust buoyancy, while the solid upper part provides a stable support platform. The top of the hollow conical float is provided with a water inlet 6, which is used for water to enter the lower plate stabilizing device 2. A debris screen 7 is provided on the outside of the water inlet 6 to prevent debris from entering. An elastic switch rubber pad that relies on the weight of the water to close automatically can realize the automatic closure of the water inlet 6, keep the water clean and reduce evaporation loss.
[0032] In this embodiment, multiple sets of one-way exhaust holes 8 are evenly provided at the upper edge of the lower plate stabilizing device 2, which helps to adjust the air pressure inside and outside the float and maintain the stability of the device.
[0033] In this embodiment, a counterweight 1 is connected to the top of the cone of the lower plate stabilizing device 2 to increase stability. The counterweight 1 can increase the overall stability, especially in windy weather, to prevent the device from shaking and affecting the measurement results.
[0034] In this embodiment, the upper surface of the lower plate stabilizing device 2 is uniformly provided with stud holes 17 12 adapted to different types of evaporators 5 for connecting the evaporator 5.
[0035] In this embodiment, the laser water level gauge 11 is placed at the center of the evaporator 5 by fixing the steel wire 15, and the laser water level gauge 11 can accurately measure the water level change.
[0036] In this embodiment, a buffer rubber pad 14 is provided between the bottom of the evaporator 5 and the lower plate stabilizing device 2. The buffer rubber pad 14 reduces the impact of vibration, improves measurement accuracy, and buffers the collision between the two parts, reduces mechanical impact, avoids damage to the equipment, and thus extends the service life of the device.
[0037] In this embodiment, a water level probe 10 is fixed on the left side of the evaporator 5 to assist in measuring water level changes and provide more accurate measurement results.
[0038] In this embodiment, the water supply device 3 consists of an electromagnetic flow meter 9, a bidirectional pump, and connecting pipes. The bidirectional pump is installed on the upper surface of the lower plate stabilizing device 2. Connecting pipes are connected to both the input and output ends of the bidirectional pump, and the connecting pipe at the output end of the bidirectional pump connects to the evaporator 5. The electromagnetic flow meter 9 is mounted on this connecting pipe. The bidirectional pump automatically pumps or drains water according to changes in water level. The electromagnetic flow meter 9 precisely controls the water volume, ensuring accurate monitoring of the entire process of water surface evaporation. The water supply device 3 is responsible for maintaining the water level in the evaporator 5 within a defined range. When the water level is below the lower limit, water is automatically added; when it is above the upper limit, water is drained. Furthermore, to ensure a consistent initial water level each day, water is added after 20:00 each day until the upper limit is reached. When the water level exceeds the upper limit due to rainfall, the bidirectional pump starts to discharge water in reverse. The water flows through the electromagnetic flow meter in the connecting pipe. The electromagnetic flow meter 9 accurately monitors the discharge process. When the water level in the evaporator 5 drops to the upper limit, the laser water level gauge 11 issues a stop discharge signal.
[0039] In this embodiment, the rain gauge device 4 is a tipping bucket self-recording rain gauge, which can automatically record rainfall and provide accurate data for evaporation calculation. In the tipping bucket self-recording rain gauge, rainwater enters the water collector through the water inlet at the top of the device, then flows into the water funnel, and then enters the tipping bucket through the funnel opening. When the water volume reaches a preset specific height, the tipping bucket loses its balance due to water accumulation and tips over. Each time the tipping bucket flips, a switch is triggered to close, sending a pulse signal to the recorder, prompting the self-recording pen to record the rainfall. This process is repeated, ultimately quantifying the precipitation process, thereby providing accurate rainfall data for rainfall monitoring during the rainy season.
[0040] In this embodiment, the rubber connector 16 for studs 17 consists of a limiting rubber pad 13 and studs 17. The limiting rubber pad 13 has an arc-shaped structure, with multiple sets of studs 17 running through it, and the lower end of the studs 17 is screwed to the lower plate stabilizing device 2. The rubber connector 16 for studs 17 ensures the stability of the evaporator 5 installation while providing an elastic connection. The rubber connector 16 for studs 17 ensures the stable installation of the evaporator 5 while allowing a certain degree of displacement to adapt to water level changes, and at the same time reduces vibration transmission.
[0041] It should be noted that the electromagnetic flowmeter 9 has an accuracy of 0.04%, the laser water level gauge 11 has an accuracy of 0.1mm, and the rain gauge has an accuracy of 0.01mm, ensuring accurate monitoring of evaporation, rainfall, and discharge throughout the entire process.
[0042] The working principle of this water surface evaporation monitoring device:
[0043] 1. In the absence of rainfall, the upper evaporation device starts working, and the laser water level gauge 11 accurately monitors the evaporation rate.
[0044] 2. When the rainfall does not exceed the upper limit water level, the water level of the upper evaporation device continues to rise, and the laser water level gauge 11 and the rain gauge device 4 continue to work to accurately monitor the evaporation and rainfall.
[0045] 3. When rainfall exceeds the upper limit water level, the water level in the upper evaporator exceeds the upper limit and continues to rise. The laser water level gauge 11 and the rain gauge device 4 operate normally. The small pump in the water supply device 3 pumps water in reverse, and when the water level drops to the upper limit, the pump stops. The electromagnetic flow meter 9 starts working, accurately recording the discharged water volume. Subsequently, by coupling analysis of the accurate monitoring process of rainfall by the rain gauge device 4 and the accurate detection process of evaporation by the upper evaporator and the discharge volume by the water supply device 3, accurate detection of the evaporation process during rainfall is achieved.
[0046] In summary, this water surface evaporation monitoring device, through its ingenious design, effectively solves the stability problem under severe weather conditions and the challenge of fully automated and accurate monitoring under high temperatures. Its modular design ensures that each part has a clear function, working independently yet collaboratively, thereby improving the overall system's reliability and measurement accuracy.
[0047] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.
Claims
1. A water surface evaporation amount monitoring device characterized by comprising: It comprises lower disc stabilizer (2), evaporator (5), water adding device (3) and rain gauge device (4), the evaporator (5) is connected to the lower disc stabilizer (2) through stud (17) rubber connecting body (16), the water adding device (3) is fixed on the lower disc stabilizer (2) together with the rain gauge device (4) through bolt.
2. The water evaporation monitoring device according to claim 1, characterized in that: The lower disc stabilizer (2) is a hollow conical float, which is a hollow cone in the lower part and a solid in the upper part, the top of the hollow conical float is provided with a water inlet hole (6), the outer side of the water inlet hole (6) is provided with a trash screen (7), and an elastic switch rubber pad is arranged inside and closed by water self weight.
3. The water evaporation monitoring device of claim 2, wherein: The upper end edge of the lower disc stabilizer (2) is uniformly provided with a plurality of groups of one-way exhaust holes (8).
4. The water evaporation monitoring device of claim 3, wherein: The conical top of the lower disc stabilizer (2) is connected with a counterweight (1) to increase stability.
5. The water evaporation monitoring device of claim 4, wherein: The upper end surface of the lower disc stabilizer (2) is uniformly provided with stud (17) holes (12) adapted to different types of evaporators (5) to connect the evaporator (5).
6. The water evaporation monitoring device of claim 1, wherein: The evaporator (5) is provided with a laser water level gauge (11) at the center position thereof through a fixed steel wire (15). The bottom of the evaporator (5) is provided with a buffer rubber pad (14) between the lower disc stabilizer (2).
7. The water evaporation monitoring device of claim 6, wherein: The left side of the evaporator (5) is fixedly provided with a water level probe (10).
8. The water evaporation monitoring device of claim 1, wherein: The water adding device (3) is composed of an electromagnetic flowmeter (9), a bidirectional water pump and a connecting pipeline, the bidirectional water pump is installed on the upper end surface of the lower disc stabilizer (2), the input end and the output end of the bidirectional water pump are both connected with the connecting pipeline, and the connecting pipeline connected to the output end of the bidirectional water pump is connected to the evaporator (5), and the connecting pipeline is provided with the electromagnetic flowmeter (9).
9. The water evaporation monitoring device of claim 1, wherein: The rain gauge device (4) adopts a tipping-bucket rain gauge.
10. The water evaporation monitoring device of claim 1, wherein: The stud (17) rubber connecting body (16) is composed of a limiting rubber pad (13) and a stud (17), the limiting rubber pad (13) is provided with an arc structure, a plurality of groups of studs (17) are arranged inside the limiting rubber pad (13), and the lower end of the stud (17) is screwed with the lower disc stabilizer (2).