Indoor evaporation test device

Abstract

The utility model discloses an indoor evaporation test device which comprises an evaporation pond, a communicating vessel mechanism, a water level probe, a water inlet pipe, a water outlet pipe, an overflow pipe, a water injection control system, a flow meter and the like. The evaporation pond is a container with the completely-open upper end, a water level probe is arranged on the outer side face of the evaporation pond and connected with an inner cavity of the evaporation pond through a communicating vessel mechanism, and it is guaranteed that the water level of the evaporation pond and the measurement result of the water level probe keep synchronous. The water inlet pipe is provided with an overflow pipe and a water inlet valve, the water injection rate is controlled through the water inlet valve, and the water level is within a set range. According to the indoor evaporation test device, the water level and the water inflow are automatically adjusted through the intelligent control system, a stable experimental environment is provided, the accuracy, repeatability and reliability of evaporation capacity measurement are effectively improved, and the indoor evaporation test device is widely applied to the fields of water resource management, climate change research and the like.

Description

Technical Field

[0001] This utility model relates to the field of water affairs, specifically to an indoor evaporation test device. Background Technology

[0002] With the intensification of global climate change, water scarcity has become an increasingly prominent global concern. Evaporation, as a crucial link in the water cycle, is essential for the management, utilization, and protection of water resources. Therefore, accurately measuring water evaporation has significant scientific and practical value. Particularly in fields such as water resource research, climate change research, and environmental monitoring, precise evaporation data provides a reliable basis for decision-making.

[0003] Traditional methods for measuring evaporation typically involve outdoor evaporation dishes or open evaporation ponds, estimating evaporation by observing the drop in water level. However, these methods face numerous challenges in practical applications. First, external environmental factors such as wind speed, temperature, humidity, and light intensity significantly affect the evaporation rate, leading to substantial fluctuations and instability in the measurement results, thus reducing the accuracy and repeatability of the experimental data. Second, existing outdoor evaporation ponds struggle to precisely control water level changes, especially during windy weather or when temperatures fluctuate greatly, resulting in significant water level fluctuations and poor data reliability. Furthermore, due to the uncontrollable nature of environmental factors, outdoor evaporation experiments often fail to provide stable experimental conditions, limiting research into the evaporation mechanism.

[0004] To overcome these problems, indoor simulated evaporation experimental devices have emerged. By conducting experiments in a controlled environment, external interference can be effectively reduced, improving the accuracy and stability of evaporation measurement. Indoor experimental devices can provide relatively stable temperature, humidity, and light conditions, thereby simulating the evaporation process under different environmental conditions and ensuring the accuracy and repeatability of experimental results. In particular, indoor evaporation experimental devices have significant advantages in studying the evaporation characteristics of different liquids and the impact of climate change on evaporation.

[0005] However, existing indoor evaporation test apparatuses still have some shortcomings. Many existing designs fail to effectively address the water level control issue, and unstable water levels can directly affect the accuracy of evaporation measurement. The water level monitoring and regulation systems in existing apparatuses are typically quite simple and cannot accurately maintain a stable water level, leading to significant water level fluctuations during the experiment and impacting the reliability of the results. Furthermore, some apparatuses exhibit lag in their response to water level changes, failing to adjust the water level in real time, further reducing measurement accuracy. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides an indoor evaporation test device.

[0007] This utility model is achieved through the following technical solution:

[0008] An indoor evaporation test apparatus includes an evaporation tank, which is a container with its upper end completely open. A water level probe is provided on the outer surface of the evaporation tank and is fitted and connected to a communicating vessel mechanism. The communicating vessel mechanism is connected to the internal cavity of the evaporation tank to introduce liquid into the evaporation tank. The water level in the communicating vessel mechanism and the evaporation tank is always kept at the same level. The communicating vessel mechanism is fixedly connected to the outer surface of the evaporation tank. An inlet pipe and an outlet pipe are provided on the outer surface of the evaporation tank. The inlet pipe is located at the upper end of the evaporation tank, and the outlet pipe is located at the lower end of the evaporation tank.

[0009] The evaporation tank is designed primarily to provide an open water surface, facilitating the simulation and measurement of the evaporation process. Water level probes are installed on the outer surface of the tank to monitor water level changes in real time. These probes connect to channels within a communicating vessel mechanism, enabling precise measurement of water level variations and allowing researchers to accurately record these changes. Since the water level directly affects the evaporation rate, a stable water level control system is crucial for accurate measurement of evaporation.

[0010] The water level probe is designed with accuracy and response speed in mind, enabling it to promptly reflect minute changes in water level. The communicating vessel mechanism, through its connection with the internal cavity of the evaporation tank, ensures that the water level in the evaporation tank remains constant, avoiding fluctuations caused by external environmental interference. Since the evaporation tank is open, the measurement of evaporation is closely related to water level changes; therefore, the design of the communicating vessel mechanism provides a stable and reliable control basis for the experiment.

[0011] Furthermore, the aforementioned communicating vessel mechanism includes;

[0012] The end cap is fixedly connected to the upper end of the glass tube, and a through hole is provided in the middle for the probe of the water level measuring needle to pass through.

[0013] The glass tube is vertically fixed to the outer side of the evaporation tank, with an end cap at the top and a flexible tube at the bottom.

[0014] The flexible tube connects one end to a glass tube and the other end to the internal cavity of the evaporation tank, allowing the liquid in the evaporation tank to be introduced into the glass tube.

[0015] The communicating vessel mechanism includes an end cap, a glass tube, and a flexible tube. The end cap is fixedly connected to the upper end of the glass tube and has a through hole for the probe of the water level sensor to pass through. This design allows the water level sensor to pass smoothly through the glass tube and accurately measure water level changes. As the core component of the communicating vessel, the vertical installation position of the glass tube ensures that it changes synchronously with the water level in the evaporation tank, avoiding water level measurement errors caused by unreasonable structural design.

[0016] The flexible hose connection ensures that the liquid in the evaporation tank can enter the glass tube through the hose and maintain a consistent water level with the tank. The flexibility of the hose connection allows the communicating vessel mechanism to adapt to evaporation tanks of different sizes and shapes, while ensuring smooth and stable liquid flow. Through these design features, the communicating vessel mechanism effectively maintains a consistent water level, ensuring accurate measurement of evaporation.

[0017] Furthermore, the aforementioned inlet pipe is equipped with an overflow pipe and an inlet valve; the overflow pipe is arranged parallel to the inlet pipe and located directly above the inlet pipe, with one end connected to the inlet pipe via an elbow and the other end freely open; the aforementioned inlet valve is fitted and connected to one side of the inlet end of the inlet pipe.

[0018] The inlet pipe is equipped with an overflow pipe and an inlet valve. The overflow pipe ensures that the highest water level in the evaporation tank remains constant during the water filling process, ensuring the repeatability of the experiment. The inlet pipe is positioned at the top of the evaporation tank, which helps to fill the tank more evenly and avoids excessive local water level fluctuations that could affect the experimental results. The inlet valve precisely controls the water inflow, ensuring the accuracy and controllability of each water filling operation. The overflow pipe is designed considering the fluidity and directionality of the water flow, ensuring that excess water is discharged promptly when the preset water level is reached.

[0019] Furthermore, an outlet valve is installed on the aforementioned outlet pipe, and the outlet valve is fitted and connected to one side of the outlet end of the outlet pipe.

[0020] A water outlet valve is installed on the outlet pipe, connected to the outlet end of the pipe. The function of the outlet pipe is to discharge water from the evaporation tank for water level regulation or other experimental operations. The outlet valve's design allows the experimenter to adjust the water flow rate as needed, ensuring controllability and accuracy of the output. Working in conjunction with the inlet valve, the outlet valve helps maintain a stable water level during the experiment, thereby reducing interference from external factors on the evaporation measurement.

[0021] Throughout the experiment, the flow control of the outlet pipe is crucial to the stability of the experiment. Precise control of the outlet valve ensures that the water level in the evaporation tank remains within a predetermined range, resulting in highly repeatable and reliable experimental results.

[0022] Furthermore, the height of the overflow pipe is lower than the highest point of the communicating vessel mechanism. This design ensures that water level changes are synchronized with the water level in the communicating vessel mechanism before the water level rises to the height of the overflow pipe.

[0023] Furthermore, the height of the aforementioned outlet pipe is lower than the lowest point of the communicating vessel mechanism. This design ensures that the liquid in the evaporation tank can flow out smoothly, thereby achieving water level regulation.

[0024] Furthermore, a water immersion sensor is connected to the outlet of the overflow pipe, and the water immersion sensor is communicatively connected to the water injection control system; the water injection control system is communicatively connected to the inlet valve to control its opening and closing state; the inlet pipe is connected to the test liquid source through the inlet valve, and the test liquid source has pressure.

[0025] A water immersion sensor is connected to the outlet of the overflow pipe. The sensor detects whether water overflows from the overflow pipe, thus determining whether the water level in the evaporation tank has reached a predetermined value. When the sensor is triggered, it sends a signal to the water injection control system, which adjusts the inlet valve's on / off state accordingly. This communication connection between the sensor and the control system ensures precise water level control during the experiment, preventing the measurement of evaporation from being affected by excessively high or low water levels.

[0026] The water injection control system achieves automated control by responding to signals from the water immersion sensor, greatly reducing the need for manual intervention and improving experimental efficiency and accuracy. Furthermore, the system can be flexibly adjusted to meet the water level control requirements under different experimental conditions.

[0027] Furthermore, the aforementioned water injection control system includes a processor, a water injection button connected to the processor, and a communication module; the processor determines the water inlet status based on the signal from the water immersion sensor, and controls the opening and closing of the water inlet valve according to preset control logic; the control logic is to execute the action of opening the water inlet valve when the water injection button is triggered, and to execute the action of closing the water inlet valve when the water immersion sensor is triggered.

[0028] The water filling control system includes a processor, a water filling button connected to the processor, and a communication module. The processor determines the water inlet status based on signals from the water immersion sensor and controls the opening and closing of the water inlet valve according to preset control logic. The control logic is designed to ensure that the water level is always maintained within the required range.

[0029] The water injection button is designed to allow experimenters to manually trigger the water injection operation as needed, while the communication module enables the entire water injection control system to communicate with other related equipment in real time, improving the system's coordination and accuracy. When the water injection button is triggered, the water inlet valve will automatically open to begin the water injection operation; when the water immersion sensor is triggered, the water inlet valve will automatically close.

[0030] Furthermore, the aforementioned water injection control system is connected to a flow meter via a communication module; the flow meter is mounted and connected to the inlet pipe.

[0031] The water injection control system and the flow meter are connected via a communication module. The flow meter is used to monitor the water flow rate in the inlet pipe in real time, ensuring precise control of the water injection volume. The combination of the flow meter and the water injection control system makes the water injection operation more precise, allowing for the determination of the water volume for each injection operation. Using the flow meter data, researchers can monitor the water injection status in real time, ensuring the controllability and accuracy of water level changes during the experiment. The installation of the flow meter provides reliable data support for the calculation of evaporation. After the entire water injection process is completed, the flow meter data will be used to calculate the amount of water evaporated in the evaporation tank, further improving the accuracy of the experimental results.

[0032] The beneficial effects of this utility model are as follows:

[0033] Precise water level control is achieved through a water level probe installed on the outer side of the evaporation tank and connected to a communicating vessel mechanism. This invention enables real-time monitoring and precise adjustment of the water level. The communicating vessel mechanism ensures that the water level inside the evaporation tank remains synchronized with the external water level measurement system, avoiding the impact of water level fluctuations on the evaporation measurement results. The high-precision design of the water level probe ensures that water level changes are reflected promptly and accurately recorded, thereby improving the accuracy of evaporation measurement and the repeatability of experimental results.

[0034] A stable water level maintenance system is employed in this apparatus, utilizing a coordinated design of the inlet pipe, overflow pipe, outlet pipe, and water injection control system to ensure a stable water level within the evaporation tank. The overflow pipe design ensures that excess water is automatically discharged after the preset water level is reached, preventing the water level from becoming too high. Precise control of the inlet and outlet valves allows for real-time adjustment of the water level during the experiment. This system effectively overcomes experimental errors caused by large water level fluctuations in traditional apparatuses, ensuring high precision and stability in the experiment.

[0035] This utility model's water injection control system, equipped with a water immersion sensor and a flow meter, features automated control and intelligent management. It automatically adjusts the water inflow rate based on real-time data feedback. The water immersion sensor accurately monitors water level changes, automatically triggering the water injection valve when the water level reaches a preset height, achieving automatic water level control without human intervention. The flow meter monitors the water inflow rate in real time, ensuring the accuracy of each injection and providing precise data support for evaporation calculations. This intelligent control system significantly reduces manual intervention, improving experimental efficiency and accuracy.

[0036] Highly adaptable and suitable for various experimental needs, the device design of this invention takes into account adaptability under different experimental conditions. Through adjustable water level control and a flexible water inlet / outlet system, the device can conduct experiments under different liquid and environmental conditions. Simultaneously, the response speed and accuracy of the water level measurement system enable the device to adapt to various climate simulations and evaporation process studies, making it widely applicable in fields such as water resource management, climate change research, and environmental monitoring.

[0037] Enhanced experimental reliability and repeatability are achieved through optimized design of the device in terms of water level control, influent flow rate, and effluent discharge. This effectively reduces the interference of environmental factors on experimental results, ensuring consistency in results across multiple repetitions. Particularly in terms of the accuracy and reliability of evaporation measurement, this invention provides more stable and controllable experimental conditions, thereby improving the credibility of the measurement results.

[0038] In summary, the indoor evaporation experimental device of this invention not only improves the accuracy and stability of water level control, but also significantly enhances experimental efficiency and precision through an intelligent automatic adjustment system. This device provides a more reliable experimental platform for water evaporation research and has significant scientific research and application value. Attached Figure Description

[0039] Figure 1 : A three-dimensional structural schematic diagram of this utility model;

[0040] Figure 2 Side view of this utility model;

[0041] Figure 3 : Front sectional view of this utility model;

[0042] In the diagram: 1-Evaporation tank, 2-Water level probe, 3-Communicating device mechanism, 4-Inlet pipe, 5-Outlet pipe, 31-End cap, 32-Glass tube, 33-Hose, 41-Overflow pipe, 42-Inlet valve, 51-Outlet valve. Detailed Implementation

[0043] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0044] Example: Figure 1-3 As shown, an indoor evaporation test device includes an evaporation pool 1, which is a container with its upper end completely open. A water level probe 2 is provided on the outer surface of the evaporation pool 1. The water level probe 2 is fitted and connected to a communicating vessel mechanism 3, which is connected to the internal cavity of the evaporation pool 1 to introduce liquid into the evaporation pool 1. The water level in the communicating vessel mechanism 3 and the evaporation pool 1 is always kept at the same level. The communicating vessel mechanism 3 is fixedly connected to the outer surface of the evaporation pool 1. An inlet pipe 4 and an outlet pipe 5 are provided on the outer surface of the evaporation pool 1. The inlet pipe 4 is located at the upper end of the evaporation pool 1, and the outlet pipe 5 is located at the lower end of the evaporation pool 1.

[0045] The evaporation tank 1 is designed primarily to provide an open water surface, facilitating the simulation and measurement of the evaporation process. A water level sensor 2 is installed on the outer surface of the evaporation tank 1 to monitor water level changes in real time. The water level sensor 2 connects to a channel within the communicating vessel mechanism 3, enabling precise measurement of water level changes and allowing the experimenter to accurately record these changes. Since the water level in the evaporation tank 1 directly affects the evaporation rate, a stable water level control system is crucial for accurate measurement of evaporation.

[0046] The water level probe 2 is designed with accuracy and response speed in mind, enabling it to promptly reflect minute changes in water level. The communicating vessel mechanism 3, through its connection with the internal cavity of the evaporation tank 1, ensures that the water level in the evaporation tank 1 remains constant, avoiding water level fluctuations caused by external environmental interference. Since the evaporation tank 1 is an open design, the measurement of evaporation is closely related to water level changes; therefore, the design of the communicating vessel mechanism provides a stable and reliable control basis for the experiment.

[0047] Furthermore, the aforementioned communicating vessel mechanism 3 includes;

[0048] End cap 31 is fixedly connected to the upper end of glass tube 32, and has a through hole in the middle for the probe of water level measuring needle 2 to pass through.

[0049] The glass tube 32 is vertically fixed to the outer side of the evaporation tank 1, with an end cap 31 at the upper end and a flexible tube 33 at the lower end.

[0050] The flexible tube 33 is connected at one end to the glass tube 32 and at the other end to the internal cavity of the evaporation tank 1, so as to introduce the liquid in the evaporation tank 1 into the glass tube 32.

[0051] The communicating vessel mechanism 3 includes an end cap 31, a glass tube 32, and a flexible tube 33. The end cap 31 is fixedly connected to the upper end of the glass tube 32 and has a through hole for the probe of the water level sensor 2 to pass through. This design allows the water level sensor to pass smoothly through the glass tube 32 and accurately measure water level changes. As the core part of the communicating vessel, the vertical installation position of the glass tube 32 ensures that it changes synchronously with the water level of the evaporation tank 1, avoiding water level measurement errors caused by unreasonable structural design.

[0052] The connection method of the flexible hose 33 ensures that the liquid in the evaporation tank 1 can enter the glass tube 32 through the hose and maintain the same water level as the tank. The flexibility of the hose 33 connection allows the communicating vessel mechanism 3 to adapt to evaporation tanks 1 of different sizes and shapes, while ensuring smooth and stable liquid flow. Through these designs, the communicating vessel mechanism 3 can effectively maintain the consistency of the water level, providing a guarantee for accurate measurement of evaporation.

[0053] Furthermore, the aforementioned inlet pipe 4 is provided with an overflow pipe 41 and an inlet valve 42; the overflow pipe 41 is arranged parallel to the inlet pipe 4 and is located directly above the inlet pipe 4, with one end connected to the inlet pipe 4 via an elbow and the other end freely open; the aforementioned inlet valve 42 is fitted and connected to one side of the inlet end of the inlet pipe 4.

[0054] An overflow pipe 41 and an inlet valve 42 are installed on the inlet pipe 4. The overflow pipe 41 ensures that the highest water level in the evaporation tank 1 remains constant during the water filling process, ensuring the repeatability of the experiment. The inlet pipe 4 is positioned at the upper end of the evaporation tank 1, which helps to fill the tank with water more evenly and avoids excessive local water level changes that could affect the experimental results. The inlet valve 42 precisely controls the inflow of water, ensuring the accuracy and controllability of each water filling operation. The overflow pipe 41 is designed with the fluidity and directionality of the water flow in mind, ensuring that excess water can be discharged in a timely manner when the preset water level is reached.

[0055] Furthermore, a water outlet valve 51 is provided on the aforementioned water outlet pipe 5, and the aforementioned water outlet valve 51 is fitted and connected to one side of the outlet end of the water outlet pipe 5.

[0056] A water outlet valve 51 is installed on the water outlet pipe 5, and is fitted and connected to the outlet end of the water outlet pipe 5. The function of the water outlet pipe 5 is to discharge water from the evaporation tank for adjusting the water level or performing other experimental operations. The design of the water outlet valve 51 allows the experimenter to adjust the water flow rate as needed, ensuring the controllability and accuracy of the water output. Working in conjunction with the water inlet valve 42, the water outlet valve 51 helps maintain a stable water level during the experiment, thereby reducing interference from external factors on the evaporation measurement.

[0057] Throughout the experiment, the flow control of the outlet pipe 5 is crucial to the stability of the experiment. Precise control of the outlet valve 51 ensures that the water level in the evaporation tank 1 remains within a predetermined range, resulting in highly repeatable and reliable experimental results.

[0058] Furthermore, the height of the overflow pipe 41 is lower than the height of the highest point of the communicating vessel mechanism 3. This design ensures that water level changes are synchronized with the water level in the communicating vessel mechanism 3 before the water level rises to the height of the overflow pipe 41.

[0059] Furthermore, the height of the outlet pipe 5 is lower than the lowest point of the communicating vessel mechanism 3. This design ensures that the liquid in the evaporation tank 1 can flow out smoothly, thereby achieving water level regulation.

[0060] Furthermore, a water immersion sensor is connected to the outlet of the overflow pipe 41, and the water immersion sensor is communicatively connected to the water injection control system; the water injection control system is communicatively connected to the inlet valve 42 to control its opening and closing state; the inlet pipe 4 is connected to the test liquid source through the inlet valve 42, and the test liquid source has pressure.

[0061] A water immersion sensor is connected to the outlet of the overflow pipe 41. The water immersion sensor detects whether water overflows from the overflow pipe 41, thereby determining whether the water level in the evaporation tank 1 has reached a predetermined value. When the water immersion sensor is triggered, it sends a signal to the water injection control system, which promptly adjusts the opening and closing state of the water inlet valve 42. The communication connection between the water immersion sensor and the water injection control system allows the experiment to be conducted under precise water level control, avoiding the influence of excessively high or low water levels on the evaporation measurement.

[0062] The water injection control system achieves automated control by responding to signals from the water immersion sensor, greatly reducing the need for manual intervention and improving experimental efficiency and accuracy. Furthermore, the system can be flexibly adjusted to meet the water level control requirements under different experimental conditions.

[0063] Furthermore, the aforementioned water injection control system includes a processor, a water injection button connected to the processor, and a communication module; the processor determines the water inlet status based on the signal from the water immersion sensor, and controls the opening and closing of the water inlet valve 42 according to the preset control logic; the aforementioned control logic is to execute the action of opening the water inlet valve 42 when the water injection button is triggered; and to execute the action of closing the water inlet valve 42 when the water immersion sensor is triggered.

[0064] The water filling control system includes a processor, a water filling button connected to the processor, and a communication module. The processor determines the water inlet status based on signals from the water immersion sensor and controls the opening and closing of the water inlet valve 42 according to preset control logic. The control logic is designed to ensure that the water level is always maintained within the required range.

[0065] The water injection button is designed to allow experimenters to manually trigger the water injection operation as needed, while the communication module enables the entire water injection control system to communicate with other related equipment in real time, improving the system's coordination and accuracy. When the water injection button is triggered, the water inlet valve 42 will automatically open to begin the water injection operation; when the water immersion sensor is triggered, the water inlet valve will automatically close.

[0066] Furthermore, the aforementioned water injection control system is connected to a flow meter via a communication module; the flow meter is mounted and connected to the water inlet pipe 4.

[0067] The water injection control system and the flow meter are connected via a communication module. The flow meter is used to monitor the water flow rate in the inlet pipe 4 in real time, ensuring precise control of the water injection volume. The combination of the flow meter and the water injection control system makes the water injection operation more precise, allowing for the determination of the water volume for each injection operation. Using the flow meter data, researchers can monitor the water injection status in real time, ensuring the controllability and accuracy of water level changes during the experiment. The installation of the flow meter provides reliable data support for the calculation of evaporation. After the entire water injection process is completed, the flow meter data will be used to calculate the amount of water evaporated in the evaporation tank, further improving the accuracy of the experimental results.

[0068] The workflow is as follows:

[0069] First, water is added to the evaporation tank 1 through the inlet valve 41 and inlet pipe 4 until the water level is close to the overflow pipe 41. Water is then added until water overflows from the overflow pipe 41. This operation ensures that the water level remains consistent each time water is added, thus guaranteeing the repeatability and accuracy of the experimental results. Once the water level stabilizes, the water level inside the communicating vessel mechanism 3 is synchronized with the water level in the evaporation tank 1. The water level probe 2 is then rotated to the water surface, and the initial water level reading is recorded. After a certain period of evaporation, the water level probe 2 is rotated to the water surface again, and a new water level reading is recorded. The difference between the two water level readings can be used to calculate the evaporation height by which the water level drops within a certain time. Subsequently, water is added to the evaporation tank 1 again until water overflows from the overflow pipe 41 to restore the water level in the evaporation tank 1 to its original height. The amount of water added to the evaporation tank 1 is the amount of water evaporated in that day. By converting this amount of water, the height of the evaporated water can also be calculated. Finally, the evaporation heights calculated by these two methods are compared and verified to obtain more accurate evaporation data.

[0070] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An indoor evaporation test apparatus, comprising an evaporation tank (1), characterized in that: The evaporation tank (1) is a container with its upper end completely open; a water level probe (2) is provided on the outer surface of the evaporation tank (1), and the water level probe (2) is fitted and connected in the communicating vessel mechanism (3). The communicating vessel mechanism (3) is connected to the internal cavity of the evaporation tank (1) to introduce liquid into the evaporation tank (1). The water level height of the communicating vessel mechanism (3) and the evaporation tank (1) is always consistent; the communicating vessel mechanism (3) is fixedly connected to the outer surface of the evaporation tank (1); an inlet pipe (4) and an outlet pipe (5) are provided on the outer surface of the evaporation tank (1). The inlet pipe (4) is located at the upper end of the evaporation tank (1), and the outlet pipe (5) is located at the lower end of the evaporation tank (1).

2. The indoor evaporation test apparatus as described in claim 1, characterized in that: The communicating vessel mechanism (3) includes; End cap (31) is fixedly connected to the upper end of glass tube (32), and a through hole is provided in the middle for the probe of water level measuring needle (2) to pass through; A glass tube (32) is vertically fixed to the outer side of the evaporation tank (1), with an end cap (31) at the upper end and a flexible tube (33) at the lower end. The flexible tube (33) is connected at one end to the glass tube (32) and at the other end to the internal cavity of the evaporation tank (1) to introduce the liquid in the evaporation tank (1) into the glass tube (32).

3. An indoor evaporation test apparatus as described in any one of claims 1 or 2, characterized in that: An overflow pipe (41) and an inlet valve (42) are provided on the inlet pipe (4); the overflow pipe (41) is arranged parallel to the inlet pipe (4) and is located directly above the inlet pipe (4). One end is connected to the inlet pipe (4) through an elbow, and the other end is open; the inlet valve (42) is fitted and connected to the inlet end of the inlet pipe (4).

4. An indoor evaporation test apparatus as described in any one of claims 1 or 2, characterized in that: A water outlet valve (51) is provided on the water outlet pipe (5), and the water outlet valve (51) is fitted and connected to one side of the outlet end of the water outlet pipe (5).

5. The indoor evaporation test apparatus as described in claim 3, characterized in that: The height of the overflow pipe (41) is lower than the height of the highest point of the communicating vessel mechanism (3).

6. The indoor evaporation test apparatus as described in claim 4, characterized in that: The height of the outlet pipe (5) is lower than the height of the lowest point of the communicating vessel mechanism (3).

7. The indoor evaporation test apparatus as described in claim 3, characterized in that: A water immersion sensor is connected to the outlet of the overflow pipe (41), and the water immersion sensor is communicatively connected to the water injection control system; the water injection control system is communicatively connected to the water inlet valve (42) to control its opening and closing state; the water inlet pipe (4) is connected to the liquid source to be tested through the water inlet valve (42), and the liquid source to be tested has pressure.

8. The indoor evaporation test apparatus as described in claim 7, characterized in that: The water injection control system includes a processor, a water injection button connected to the processor, and a communication module. The processor determines the water inlet status based on the signal from the water immersion sensor and controls the opening and closing of the water inlet valve (42) according to the preset control logic. The control logic is to open the water inlet valve (42) when the water injection button is triggered and close the water inlet valve (42) when the water immersion sensor is triggered.

9. An indoor evaporation test apparatus as described in claim 8, characterized in that: The water injection control system is connected to a flow meter via a communication module; the flow meter is mounted on the water inlet pipe (4).

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