Damp-proof box for rain sewage inspection well monitoring equipment

Abstract

The invention provides a moisture-proof box for rain and sewage inspection well monitoring equipment, and the moisture-proof box comprises a box body which is of a hollow structure, is arranged in a rain and sewage inspection well, and is used for preventing sewage from entering the rain and sewage inspection well; the outer adjusting module is arranged on the outer side of the box body and used for adjusting the air pressure in the box body so as to prevent the air in the box body from pressure loss and condensation; and the inner adjusting module is arranged in the box body and used for adjusting the air pressure in the box body so as to prevent condensation caused by the fact that the interior of the box body reaches saturated vapor pressure. The moisture-proof box for the rain sewage inspection well monitoring equipment can effectively solve the problems that when the rain sewage inspection well monitoring equipment is in a sealed environment, water vapor condensation is caused by temperature change of water, and normal operation and accuracy of the equipment are affected.

Description

Technical Field

[0001] The present invention belongs to the technical field of smart water services, and in particular relates to a moisture-proof box for rainwater and sewage inspection well monitoring equipment. Background Art

[0002] The maintenance and monitoring of urban drainage networks is an important aspect of urban infrastructure management. These networks are responsible for not only transporting sewage, but also helping to drain rainwater, thereby protecting the city's environmental sanitation and public health. Ensuring the efficient operation of these systems is essential to preventing urban flooding, protecting water quality, improving environmental quality, and promoting sustainable development.

[0003] In the process of urban drainage network development, due to its deep underground burial and complex on-site working conditions, such as network damage, mixed and wrong connection of rainwater and sewage networks, the normal and healthy operation of the drainage network is seriously affected, and the risks of urban waterlogging and combined sewer overflow pollution are increased. Various types of water quality and hydrodynamic monitoring equipment are needed to assist in perception. However, since the urban drainage network is a severely humid environment, the equipment is placed inside the network for a long time for measurement, and moisture can easily invade the equipment. In addition, the rainwater and sewage pipes are affected by the mixing of external water, and there is a sudden temperature drop. High humidity and sudden temperature drop can easily cause condensation in the circuit, causing equipment short circuit, abnormal operation or even damage of the equipment. It has become the main cause of equipment loss in the field of water monitoring, causing a lot of economic losses.

[0004] Therefore, how to provide a moisture-proof box for rainwater and sewage inspection well monitoring equipment to solve the above-mentioned problems has become a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] In view of the shortcomings of the prior art mentioned above, the purpose of the present invention is to provide a moisture-proof box for rainwater and sewage inspection well monitoring equipment, so as to solve the problem that the temperature changes inside the moisture-proof box of the rainwater and sewage inspection well monitoring equipment in a sealed environment cause condensation of water vapor, affecting the normal operation and accuracy of the equipment.

[0006] In a first aspect, the present invention provides a moisture-proof box for a rainwater and sewage inspection well monitoring device, the moisture-proof box comprising:

[0007] A box body, which is a hollow structure and is arranged in a rainwater and sewage inspection well to prevent sewage from entering;

[0008] An external regulating module, which is arranged outside the box body and is used to regulate the air pressure inside the box body to prevent the air inside the box body from losing pressure and condensing;

[0009] The internal regulating module is arranged inside the box body and is used to regulate the air pressure inside the box body to prevent the air inside the box body from losing pressure and condensing.

[0010] In an implementation of the first aspect, the external regulation module includes: a hard gas balance body, a gas balance membrane, a hard gas guide rod, and a one-way waterproof valve;

[0011] The hard gas balance body is in the shape of a hollow hemisphere, and is connected to the one-way waterproof valve through the hard gas-conducting rod, and is used to adjust the internal air pressure of the box body based on the external air pressure of the box body;

[0012] The gas balance film covers the cross section of the hard gas balance body and is used to assist pressure control to prevent the gas inside the box from losing pressure.

[0013] In an implementation of the first aspect, the one-way waterproof valve includes a waterproof interface, a rubber piston, a hygroscopic expansion block, and an expansion block support plate;

[0014] The waterproof interface is arranged on the outside of the one-way waterproof valve and is used to connect the internal and external channels of the box body;

[0015] One side of the rubber piston is arranged inside the waterproof interface, and is used to adjust its own deformation according to the change of air pressure to realize the opening and closing of the one-way waterproof valve;

[0016] One side of the hygroscopic expansion block is closely arranged on the other side of the rubber piston, and is used to absorb water vapor and expand when the gas balance membrane is broken by external force, thereby pushing the rubber piston to move to realize the opening and closing of the one-way waterproof valve;

[0017] The expansion block support plate is fixedly arranged on the other side of the hygroscopic expansion block, and is used to provide stable support for the hygroscopic expansion block structure to prevent the hygroscopic expansion block from being damaged.

[0018] In an implementation of the first aspect, the internal adjustment module is a closed structure, including a thin-walled outer shell, an acid storage tank, a hard base, a capillary module, and a liquid absorbent pad.

[0019] In an implementation of the first aspect, the thin-walled shell is made of an elastic material, and is used to produce a slight deformation based on the change of internal air pressure of the internal adjustment module and prevent the internal water vapor from flowing out.

[0020] In an implementation of the first aspect, the acid liquid storage tank is fixed to the upper portion of the internal adjustment module via a first support and a second support.

[0021] In an implementation of the first aspect, the hard base is disposed at the bottom of the inner adjustment module to provide support for the inner adjustment module.

[0022] In an implementation of the first aspect, the capillary module is disposed above the hard base, and specifically includes a capillary tube and a capillary adsorption weir;

[0023] The capillary tube is arranged at the lower part of the acid liquid storage tank body, and is used to guide the acid liquid to descend at a uniform speed;

[0024] The capillary adsorption weir is arranged at the lower part of the capillary tube, and is used to control the acid liquid to flow toward the liquid absorption pad.

[0025] In an implementation of the first aspect, calcium carbonate particles are placed on the liquid-absorbing pad to react with the acid solution and generate gas to increase the gas pressure of the internal regulating module.

[0026] As described above, the moisture-proof box for rainwater and sewage inspection well monitoring equipment of the present invention can effectively adjust the air pressure. Through the internal and external dual air pressure adjustment system, the present invention can adjust the air pressure in the box body in real time and accurately, ensuring that the air pressure in the box body can be adjusted in time when the external environment changes greatly, preventing the water vapor pressure from dropping below its saturated vapor pressure and condensing into liquid water. This dual protection mechanism improves the reliability and stability of the system.

[0027] Secondly, the present invention can effectively prevent the phenomenon of condensation due to pressure loss. The external adjustment module solves the problem of pressure difference between the inside and outside of the box body, effectively preventing the internal gas from condensing due to pressure loss. The internal adjustment module focuses on preventing the gas inside the box body from condensing due to dew point, ensuring that the internal air pressure remains stable during chemical reactions or material storage.

[0028] Thirdly, the present invention has a certain environmental adaptability. The present invention can automatically adjust the gas generation and gas pressure according to different working environments to achieve dynamic balance. This adaptive ability enables it to maintain stable performance in a changing working environment and is suitable for a wider range of application scenarios.

[0029] In addition, the present invention helps maintain the performance of the equipment and reduce potential damage caused by environmental changes through effective moisture-proof and air pressure regulation measures, thereby extending the service life of the equipment. For precision equipment such as temperature monitoring, it is crucial to maintain the stability of the internal environment. The present invention ensures dryness and stable air pressure inside the equipment through internal and external regulation modules, which helps to improve the accuracy of data measurement and the reliability and service life of internal equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 Shown is a schematic diagram of the overall structure of a moisture-proof box for rainwater and sewage inspection well monitoring equipment of the present invention;

[0031] Figure 2 Shown is a schematic structural diagram of an external adjustment module in a moisture-proof box for a rainwater and sewage inspection well monitoring device according to the present invention;

[0032] Figure 3Shown is a schematic diagram of the one-way valve structure in a moisture-proof box for rainwater and sewage inspection well monitoring equipment of the present invention;

[0033] Figure 4a It is a schematic diagram of an internal adjustment module in a moisture-proof box for a rainwater and sewage inspection well monitoring device according to the present invention;

[0034] Figure 4b Shown is a front view of an inner adjustment module in a moisture-proof box for a rainwater and sewage inspection well monitoring device of the present invention;

[0035] Figure 4c Shown is an axonometric view of an internal adjustment module in a moisture-proof box for a rainwater and sewage inspection well monitoring device according to the present invention. DETAILED DESCRIPTION

[0036] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0037] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0038] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0039] like Figure 1 As shown, Figure 1 The figure shows the overall structure of the moisture-proof box for rainwater and sewage inspection well monitoring equipment of the present invention. The moisture-proof box for rainwater and sewage inspection well monitoring equipment of the present invention comprises:

[0040] The box body 11 is a hollow structure and is arranged in the rainwater and sewage inspection well, and has basic waterproof capability;

[0041] An external regulating module 12, which is disposed outside the box body 11 and is used to regulate the air pressure inside the box body 11 to prevent the air inside the box body 11 from losing pressure and condensing;

[0042] The internal regulating module 13 is disposed inside the box body 11 and is used to regulate the air pressure inside the box body 11 to prevent the air inside the box body 11 from losing pressure and condensing.

[0043] The box body 11 is a hollow structure and is arranged in a rainwater and sewage inspection well to prevent sewage from entering. Specifically:

[0044] The box body includes a top cover, sides and a bottom, and is in the shape of a cuboid. The size can be customized as required to fit the space in the inspection well. The box body is a hollow structure with sufficient internal space to accommodate monitoring equipment and related components. A fixed support 14 is provided at the bottom of the box body, and the internal adjustment module 13 is arranged at the bottom of the box body 11 through the fixed support 11. The surface of the box body is coated with an anti-rust coating to increase its durability in harsh environments. The box body is designed with a waterproof sealing strip to ensure that the interior can remain dry even in sewage environments.

[0045] like Figure 2 As shown, Figure 2 The schematic diagram of the structure of the external adjustment module in the moisture-proof box for rainwater and sewage inspection well monitoring equipment of the present invention is shown. The external adjustment module 12 is arranged on the outside of the box body 11, and is used to adjust the air pressure inside and outside the box body 11 to prevent the gas inside the box body 11 from losing pressure and condensing. Specifically:

[0046] The external regulating module 12 includes: a hard gas balance body 21, a gas balance membrane 22, a hard gas guide rod 23, and a one-way waterproof valve 24;

[0047] The hard gas balance body 21 is in a hollow hemispherical shape and is connected to the one-way waterproof valve 24 through the hard gas-conducting rod 23, and is used to adjust the internal air pressure of the box body based on the external air pressure of the box body;

[0048] The gas balance membrane 22 covers the cross section of the hard gas balance body 21. The gas balance membrane 22 is slightly concave toward the hard gas-conducting rod 23, and the center thickness of the gas balance membrane 22 is greater than that of the surrounding area. The gas balance membrane 22 is easily deformed by the pressure directed toward the box body 11, but is difficult to be deformed by the pressure directed outward. The gas balance membrane 22 is mainly used to reduce the volume of the enclosed space in the box body 11 through unidirectional deformation, thereby maintaining the pressure in the box body 11.

[0049] The external regulating module ensures that the air pressure in the box body can be maintained at a higher level in time with the assistance of external pressure when the ambient temperature drops significantly. This mainly depends on the coordinated work of the hard gas-conducting rod 23 and the gas balance membrane 22. This mechanism ensures that when the ambient temperature drops significantly, the internal pressure of the box body 11 drops significantly, and the ambient atmospheric pressure does not change significantly at this time. Under the pressure of the external atmospheric pressure, the gas balance membrane 22 is recessed toward the box body 11, and the volume of the hard gas balance body 21 is reduced. The hard gas balance body 21 is connected to the box body 11 through a one-way waterproof valve 24 to achieve air pressure stability. By ensuring the overall air pressure, the problem of internal gas condensation caused by the reduction of water vapor partial pressure is solved.

[0050] Decompression condensation refers to the process in which a gas or steam changes from a gas to a liquid state after losing pressure under a certain pressure. Since gas or steam will condense under a specific pressure to achieve a material transformation or heat transfer, decompression condensation may occur when the external pressure suddenly decreases and the system fails to adjust in time. That is, decompression condensation is a physical process involving the phase change of gas under pressure changes.

[0051] However, in a sealed environment, the water vapor condenses due to the decrease in air pressure inside the box 11, affecting the normal operation and accuracy of the equipment. Therefore, the external adjustment module of the present invention achieves precise adjustment of the air pressure inside and outside the box through these precise components and the cooperation between them, avoiding a series of problems caused by air pressure imbalance, such as condensation of internal gas and damage to the equipment, thereby ensuring the long-term stable operation of the system. Specifically:

[0052] Rigid gas balance 21: The rigid gas balance is a hollow hemispherical structure designed with sufficient strength and stability to withstand different pressure changes without damage or deformation. This unique shape helps to disperse pressure and improve regulation efficiency. It receives external air pressure information through a one-way waterproof valve connected to the external environment, and automatically adjusts the internal air pressure according to the changes in external air pressure to maintain the internal air pressure stable.

[0053] Gas balance membrane 22: The gas balance membrane is made of a highly elastic and highly sealed material that can sensitively respond to changes in air pressure and adjust the air pressure through deformation. The membrane covers the open cross-section of the hard gas balance body, and the center thickness of the gas balance membrane 22 is greater than the surrounding area. The gas balance membrane 22 is easily deformed by the pressure directed to the box body 11, and conversely, it is difficult to deform due to the pressure directed to the outside. When the air pressure in the box body decreases, the membrane will undergo a corresponding unidirectional deformation, reducing the gas volume of the hard gas balance body 21 and the box body 11, ensuring the stability of the internal air pressure and preventing the internal gas from losing pressure and condensing.

[0054] Hard gas rod 23: The hard gas rod is mainly responsible for connecting the hard gas balance body with the one-way waterproof valve to form a reliable air pressure transmission chain. The gas rod has a certain firmness to avoid breaking during the air pressure regulation process, and has good sealing to prevent gas leakage.

[0055] One-way waterproof valve 24: The one-way waterproof valve is a key part of the entire external regulation module. It ensures that gas can only enter the box from the outside and cannot flow in the opposite direction, effectively preventing the loss of internal gas and the invasion of external moisture. The valve is made of special materials and structural design, and can maintain a high degree of waterproof performance even in extreme environments.

[0056] Further, such as Figure 3 As shown, Figure 3 Shown is a schematic diagram of the one-way valve structure in the moisture-proof box of the rainwater and sewage inspection well monitoring equipment of the present invention.

[0057] The one-way waterproof valve 24 includes a waterproof interface 31, a rubber piston 32, a moisture absorption expansion block 33 and an expansion block support plate 34;

[0058] The waterproof interface 31 is arranged on the outside of the one-way waterproof valve 24 and is used to connect the internal and external channels of the box body 11;

[0059] One side of the rubber piston 32 is arranged inside the waterproof interface 31, and is used to adjust its own deformation according to the change of air pressure to realize the opening and closing of the one-way waterproof valve 24;

[0060] One side of the moisture absorption and expansion block 33 is closely arranged on the other side of the rubber piston 32, and is used to absorb water vapor and expand when the gas balance membrane 22 is ruptured by external force, so as to push the rubber piston 32 to move and realize the opening and closing of the one-way waterproof valve 24;

[0061] The expansion block support plate 34 is fixedly disposed on the other side of the hygroscopic expansion block 33 to provide stable support for the structure of the hygroscopic expansion block 33 to prevent the hygroscopic expansion block 33 from being damaged.

[0062] Specifically, there is a certain gap between the components of the one-way waterproof valve, the temperature change intensity of rainwater and sewage is low, and the gas between the hard gas balance body 21 and the box body 11 can be slowly exchanged under normal conditions. The one-way waterproof valve is a device that allows the fluid to flow freely in one direction and blocks the flow in the other direction through a specific mechanism. It controls the flow direction based on the principles of fluid dynamics and pressure difference to ensure the safe and stable operation of the system.

[0063] Waterproof interface 31: The waterproof interface is set on the outside of the one-way waterproof valve and is responsible for connecting the channels inside and outside the box. This design ensures that the valve can effectively control the inlet and outlet of gas or liquid, while preventing external moisture from invading the system. The waterproof interface uses special sealing materials and structures, so that under normal conditions, fluid or gas can enter from the outside, but the internal fluid or gas cannot flow out in the opposite direction. This provides an important line of defense for the entire system to avoid internal damage caused by changes in the external environment.

[0064] Rubber piston 32: One side of the rubber piston is set inside the waterproof interface, and the valve is opened and closed according to the deformation of the hygroscopic expansion block 33. This self-regulating ability makes the rubber piston a key component in the one-way waterproof valve.

[0065] Hygroscopic expansion block 33: The hygroscopic expansion block is closely arranged on the other side of the rubber piston and is used to absorb water vapor and expand. This is a highly hygroscopic material that can quickly absorb water vapor and expand in volume when the ambient humidity increases. When the gas balance membrane 22 or other components are damaged, the hygroscopic expansion block absorbs water vapor and expands, which will generate thrust on the rubber piston, causing the piston to deform, thereby closing the valve to prevent external humid air from entering.

[0066] Expansion block support plate 34: The expansion block support plate is fixedly arranged on the other side of the hygroscopic expansion block to provide a stable support structure for it. This support plate ensures that the hygroscopic expansion block maintains a uniform stress state when absorbing water vapor and expanding, avoiding damage due to local uneven stress. The existence of the support plate also protects the hygroscopic expansion block from external physical impact and prolongs its service life. At the same time, it ensures that the hygroscopic expansion block can work normally, continuously provide power to the rubber piston, and realize the switch control of the valve.

[0067] In summary, the one-way waterproof valve achieves precise control of the flow direction through the coordinated work of the waterproof interface, rubber piston, hygroscopic expansion block and expansion block support plate. The overall design not only ensures the airtightness and waterproofness of the system, but also realizes the automatic adjustment function by intelligently responding to environmental changes, ensuring the stability and safety of the system in complex environments.

[0068] In one embodiment, rainwater and sewage inspection well monitoring equipment is deployed in the urban sewage system to provide a good working environment for the monitoring equipment. Since the sewage environment has high humidity and possible electrical corrosion, it is a major challenge to ensure the normal operation and data accuracy of the rainwater and sewage inspection well monitoring equipment. In this scenario, the moisture-proof box can provide necessary protection for the rainwater and sewage inspection well monitoring equipment. When the equipment is placed in the sewage pipe, the air pressure inside the box body 11 may change frequently. At this time, the one-way waterproof valve in the moisture-proof box plays a key role. The hygroscopic expansion block absorbs water vapor in the surrounding environment and expands accordingly, pushing the rubber piston to move, thereby opening the valve and allowing external air to enter the box body to adjust the air pressure and humidity. This process prevents the internal gas from losing pressure or condensing due to excessive pressure difference, ensuring the dryness and stable air pressure inside the measuring device. At the same time, the hard gas balance body senses the external air pressure information through the channel connected to the external environment, and automatically adjusts the internal air pressure to maintain the balance of internal and external air pressure. This automatic adjustment mechanism enables the rainwater and sewage inspection well monitoring equipment to maintain stable operation even in an environment with large air pressure changes, ensuring the accuracy of the measurement data and the long-term reliability of the equipment.

[0069] like Figures 4a to 4c As shown, the inner adjustment module 13 is a closed structure, which is installed inside the box body through the fixed support 14 at the bottom of the box body 11, and includes a thin-walled shell 41, an acid storage tank 42, a hard base 43, a capillary module 44, and a liquid absorption pad 45. Specifically:

[0070] The thin-walled shell 41 is made of elastic material and is used to produce slight deformation and prevent the internal liquid from flowing out based on the change of air pressure inside the internal adjustment module 13. The acid storage tank 42 is fixed to the upper part of the internal adjustment module 13 through the first support 421 and the second support 422.

[0071] The capillary module 44 is arranged above the hard base 43, and specifically includes a capillary 441 and a capillary adsorption weir 442; the capillary 441 is arranged at the lower part of the acid storage tank 42, and is used to guide the acid to slowly and evenly descend; the capillary adsorption weir 442 is arranged at the lower part of the capillary 441, and is used to guide the acid liquid to penetrate into the absorbent pad 45 through the capillary effect.

[0072] Calcium carbonate particles are placed on the liquid-absorbing pad 45 to react with the acid solution and generate gas to increase the gas pressure of the internal regulating module 13 .

[0073] When the external air pressure drops rapidly, water vapor condenses on the surface to form dew droplets. Or the humidity of the air in the box is too high, exceeding its carrying capacity, and the water vapor in the air will easily condense into water droplets. At the same time, if the internal adjustment module cannot accurately control the air pressure difference, the internal air will also reach a saturated state and condense. To prevent the above dew point condensation phenomenon, the internal adjustment module of the present invention adopts the Kipp generation principle to achieve the regulation of the system air pressure. A device that generates gas by reacting solids and liquids is used to regulate the generation of gas by controlling the contact or separation of the internal acid liquid and the solid, thereby achieving the regulation of the system air pressure to prevent the dew point condensation of the gas inside the box. Specifically:

[0074] Thin-walled housing 41: The housing made of elastic material can produce slight deformation when the internal air pressure changes, thereby offsetting the effect of the air pressure change and preventing the internal acid and water vapor from flowing out. This design helps to maintain the stability of the internal environment and reduce external interference.

[0075] Acid storage tank 42: The tank is a sealed structure, but the tank has no support capacity, and the internal liquid is affected by the capillary resistance in the capillary module 44 and will not flow out continuously. Based on the sealed structure, a pressure difference between the inside and outside is formed, and the liquid can only be transported out when the external pressure decreases. The first support and the second support are fixed to the upper part of the internal adjustment module to ensure a stable supply of acid. This double support design enhances the reliability and stability of the entire module and avoids acid leakage or supply interruption caused by vibration or external force. The top of the acid storage tank is an openable sealing cover.

[0076] The hard base 43 is located at the bottom of the inner adjustment module, and its main function is to provide a stable support base for the module. In the inner adjustment module, the hard base carries key components such as the capillary module and the liquid absorption pad to ensure that they maintain a stable position and a correct working state during the chemical reaction process.

[0077] Capillary module 44: includes a capillary tube and a capillary adsorption weir, which together control the downward movement of the acid liquid. When the external pressure drops, the thin-walled shell 41 expands, and the liquid in the acid storage tank 42 is affected by the internal decompression of the thin-walled shell 41. The capillary tube is responsible for guiding the acid liquid to flow downward, while the capillary adsorption weir further guides the speed and amount of the acid liquid flowing to the liquid absorption pad, ensuring the uniformity and stability of the chemical reaction. At the same time, the capillary phenomenon is used to prevent the acid liquid from flowing downward quickly.

[0078] Liquid absorption pad 45: It is placed above the hard base and below the capillary module, and is covered with calcium carbonate particles. When the acid flows through these particles, it will react chemically with them to generate carbon dioxide gas. At this time, the internal pressure of the thin-walled shell 41 is restored, and the liquid in the acid storage tank 42 is affected by the internal pressurization of the thin-walled shell 41. The acid is guided back by the capillary, and the acid remaining on the liquid absorption pad 45 will further react and press the acid back into the acid storage tank 42. This process not only increases the air pressure of the internal adjustment module, but also realizes the excess air pressure regulation by controlling the chemical reaction rate.

[0079] The internal regulation module adopts the Kipp generator principle and utilizes the reaction between solid and liquid to generate gas. The amount of gas generated is regulated by controlling the reaction between the acid solution and calcium carbonate. When the thin-walled shell 41 expands to a certain extent, the atmospheric pressure inside the thin-walled shell 41 pushes the acid back into the acid storage tank 42, and the reaction stops, thereby achieving precise control of the system air pressure. Compared with the traditional air pressure regulation method, this design has higher stability and reliability.

[0080] In actual operation, the working principle of the internal adjustment module is as follows: when the air pressure inside the box body decreases, the thin-walled shell can produce a slight deformation due to the characteristics of its elastic material. This deformation can absorb part of the impact of the air pressure change and reduce the inflow of external air. The acid storage tank is fixed to the upper part of the internal adjustment module through the first support and the second support to ensure the stability of the acid supply. The capillary module is responsible for accurately controlling the downward speed and flow direction of the acid. Among them, the capillary guides the acid to descend at a uniform speed, and the capillary adsorption weir further guides the acid to flow to the absorbent pad, and increases the contact degree with calcium carbonate through the absorbent pad to ensure the uniformity and stability of the reaction. The calcium carbonate particles placed on the absorbent pad react chemically with the acid to generate gas. As the gas is generated, the air pressure inside the box body gradually increases, thereby offsetting the air pressure drop caused by chemical reactions or external factors. This self-regulating ability makes the internal adjustment module an efficient and responsive system that can quickly adjust the air pressure and maintain the continuity and stability of the chemical reaction.

[0081] In summary, the internal regulation module uses the principle of solid and liquid reaction to generate gas, that is, the Kipp generator principle, to achieve automatic regulation of gas pressure. This design enables the module to automatically adjust the gas production according to the actual demand for internal gas pressure, thereby achieving dynamic balance. The internal regulation module adopts a variety of technologies and designs to form an efficient, reliable and responsive gas pressure regulation system. This not only ensures the smooth progress of the chemical reaction, but also effectively prevents the problem of gas dew point condensation.

[0082] The external regulating module first senses the change of the internal environment. When the internal temperature drops, resulting in a drop in the internal air pressure, the external regulating module allows the air in the hard gas balance body 21 to enter the box body 11 by opening the one-way waterproof valve, thereby preliminarily preventing the internal air pressure of the box body 11 from dropping.

[0083] The internal regulation module is triggered by changes in internal air pressure to start its internal chemical reaction process. For example, the acid reacts with calcium carbonate particles to generate carbon dioxide gas, gradually increasing the internal air pressure. The capillary module controls the flow rate of the acid to ensure that the reaction is terminated in time after sufficient gas production. When the gas produced by the chemical reaction of the internal regulation module is sufficient to compensate for the pressure drop caused by external changes, the internal air pressure of the system is gradually stabilized. At this time, the external regulation module continues to monitor the external environment and makes subtle adjustments to maintain the optimal air pressure balance. Through this collaboration, the system can not only respond quickly to external changes, but also accurately control and stabilize the air pressure through internal mechanisms, optimize overall performance, and improve reliability and efficiency. Through this efficient collaboration, the internal and external regulation modules can ensure that the system maintains a stable internal air pressure in a dynamically changing external environment, effectively avoiding the possible problem of water vapor condensation caused by a decrease in air pressure.

[0084] In actual use, the box can be packaged in a dry and cold environment to ensure sufficient gas quality inside the box body 11, which helps the device cope with a colder or lower pressure condensation environment.

[0085] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A moisture-proof box for rainwater and sewage inspection well monitoring equipment, characterized in that: The moisture-proof box comprises: A box body, which is a hollow structure and is arranged in a rainwater and sewage inspection well to prevent sewage from entering; An external regulating module, which is arranged outside the box body and is used to regulate the air pressure inside the box body to prevent the air inside the box body from losing pressure and condensing; An internal regulating module is arranged inside the box body and is used to regulate the air pressure inside the box body to prevent dew point condensation of the gas inside the box body.

2. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 1 is characterized in that: The external regulating module includes: a hard gas balance body, a gas balance membrane, a hard gas guide rod, and a one-way waterproof valve; The hard gas balance body is in the shape of a hollow hemisphere, and is connected to the one-way waterproof valve through the hard gas-conducting rod, and is used to adjust the internal air pressure of the box body based on the external air pressure of the box body; The gas balance membrane covers the cross section of the hard gas balance body to assist pressure control.

3. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 2 is characterized by: The one-way waterproof valve comprises a waterproof interface, a rubber piston, a moisture absorption expansion block and an expansion block support plate; The waterproof interface is arranged on the outside of the one-way waterproof valve and is used to connect the internal and external channels of the box body; One side of the rubber piston is arranged inside the waterproof interface, and is used to adjust its own deformation according to the change of air pressure to realize the opening and closing of the one-way waterproof valve; One side of the moisture-absorbing and expanding block is closely arranged on the other side of the rubber piston, and is used to absorb water vapor and expand so as to push the rubber piston to move to realize the opening and closing of the one-way waterproof valve; The expansion block support plate is fixedly arranged on the other side of the hygroscopic expansion block, and is used to provide stable support for the hygroscopic expansion block structure to prevent the hygroscopic expansion block from being damaged.

4. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 1 is characterized in that: The inner regulating module is a closed structure, comprising a thin-walled outer shell, an acid storage tank, a hard base, a capillary module, and a liquid absorbing pad.

5. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 4 is characterized in that: The thin-walled shell is made of elastic material and is used to produce slight deformation based on the change of internal air pressure of the internal adjustment module and prevent internal water vapor from flowing out.

6. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 4 is characterized in that: The acid liquid storage tank is fixed to the upper part of the inner adjustment module through a first support and a second support.

7. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 4 is characterized in that: The hard base is arranged at the bottom of the inner adjustment module, and is used to provide support for the inner adjustment module.

8. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 4 is characterized by: The capillary module is arranged above the hard base and includes a capillary tube and a capillary adsorption weir; The capillary tube is arranged at the lower part of the acid liquid storage tank body, and is used to guide the acid liquid downward; The capillary adsorption weir is arranged at the lower part of the capillary tube, and is used to control the acid liquid to flow toward the liquid absorption pad.

9. The moisture-proof box for rainwater and sewage inspection well monitoring equipment according to claim 7 is characterized in that: Calcium carbonate particles are placed on the liquid-absorbing pad to react with the acid solution and generate gas to increase the gas pressure of the internal regulating module.

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