A cleaning machine and its internal cavity pressure intelligent balancing system

Abstract

A cleaning machine and its internal cavity pressure intelligent balancing system include an inner tank and a door body installed on the front of the inner tank, an exhaust assembly installed on the door body, a hot air assembly and a respirator assembly installed on the side wall of the inner tank, the exhaust assembly and the respirator assembly both include a humidity sensor capable of detecting the air humidity inside the inner tank, and a temperature sensor capable of detecting the water temperature inside the inner tank is installed inside the inner tank. The cleaning machine has humidity sensors synchronously arranged at multiple points at the exhaust assembly and the respirator assembly, which can effectively detect the steam overflow phenomenon in the cavity caused by the increase in humidity value, and the feedback is sensitive and reliable. The internal cavity pressure intelligent balancing system synchronously sets the exhaust and ventilation action sequence, can sensitively detect and track the gas overflow process in the cavity, and can promptly and actively and directionally perform pressure relief action to maintain the basic balance of the pressure in the cavity. It can also adapt to different time sequences and different temperature and humidity environments for judgment, improve the degree of intelligence, and reduce the error rate.

Description

Technical Field

[0001] The present invention relates to cleaning equipment, in particular to a cleaning machine and an intelligent inner cavity pressure balancing system thereof. Background Art

[0002] Existing dishwashers are generally equipped with ventilation modules (such as exhaust and extraction components, hot air blast components, etc.). Generally speaking, in order to achieve a waterproof seal, the washing process is a relatively closed space. Not only can water and water droplets not leak out, but the air pressure will also increase. In addition, due to the high temperature and high humidity environment in the cavity, some water vapor will overflow through the gaps in the machine body or the exhaust and breathing ports. In addition to normal overflow from the exhaust port, steam overflow from the air inlet and respirator port is abnormal, which will cause the humidity outside the cavity to increase, resulting in dampness in the cabinet (wood damage, hinge rust, etc.). It will also increase the humidity between the interior of the cabinet and the machine body, which is not conducive to the drying process after washing. Various dishwasher ventilation control methods are disclosed in the prior art, such as the "Dishwasher Ventilation Control Method, Device, and Dishwasher" disclosed in Chinese Invention Patent No. 201611077949.7 (Authorization Announcement No. CN 106419796 B). This control method detects the ambient humidity within the dishware storage compartment of the dishwasher in real time after the dishwasher is powered on; determines the humidity range within which the current ambient humidity within the dishware storage compartment falls; obtains the number of ventilation cycles and ventilation rhythm based on the humidity range within which the current ambient humidity within the dishware storage compartment falls; and controls the dishwasher's ventilation system based on the obtained number of ventilation cycles and ventilation rhythm to treat the moisture within the dishware storage compartment. This ventilation control method can control the dishwasher's ventilation system to treat the moisture within the dishware storage compartment based on the current ambient humidity within the dishware storage compartment, thereby solving the problem of odor generation after dishware is left for a long time. However, it does not provide a solution for effectively preventing problems such as excessive steam overflow from the cavity, which leads to increased cabinet humidity and condensation accumulation. Summary of the Invention

[0003] The first technical problem to be solved by the present invention is to provide a cleaning machine with a novel structure that can realize dual-channel detection of inner tank water temperature and inner tank humidity in response to the above-mentioned existing technical status.

[0004] The second technical problem to be solved by the present invention is to provide an intelligent intracavity pressure balancing system that can adapt to different time sequences, different temperature and humidity environments for judgment and has a low misjudgment rate in response to the above-mentioned existing technical status.

[0005] The technical solution adopted by the present invention to solve the first technical problem mentioned above is: the cleaning machine includes an inner tank and a door body installed on the front of the inner tank, and is characterized in that: an exhaust assembly is installed on the door body, and a hot air assembly and a respirator assembly are installed on the side wall of the inner tank. The exhaust assembly and the respirator assembly both include a humidity sensor that can detect the air humidity inside the inner tank, and a temperature sensor that can detect the water temperature of the inner tank is installed inside the inner tank.

[0006] Preferably, the respirator assembly is mounted on the left side wall of the inner liner, and the hot air assembly is mounted on the right side wall of the inner liner.

[0007] The exhaust component can have a variety of structures. Preferably, the exhaust component has an exhaust shell, the exhaust shell has an air inlet and an air outlet, the exhaust shell has an exhaust channel connecting the air inlet and the air outlet, the air inlet is connected to the inside of the inner tank, and the air outlet is connected to the outside of the inner tank. The humidity sensor of the exhaust component is installed in the exhaust channel.

[0008] The respirator assembly can have a variety of structures. Preferably, the respirator assembly has a shell, which is provided with an air inlet and a breathing port. The inside of the shell has an air duct connecting the air inlet and the breathing port, the air inlet is connected to the inside of the liner, and the breathing port is connected to the outside of the liner. The humidity sensor of the respirator assembly is installed in the air duct.

[0009] The hot air component can have various structures. Preferably, the hot air component includes a shell, a hot air channel connecting the inside and outside of the inner tank is formed inside the shell, and a heating element and a fan are installed in the hot air channel.

[0010] Further preferably, the fan is installed at the air inlet of the hot air channel, and the heating element is located downstream of the fan along the direction of air flow. The hot air channel downstream of the heating element is divided into a first hot air branch and a second hot air branch. An air outlet connector is installed at the outlet of the first hot air branch and the outlet of the second hot air branch. A humidity sensor that can be used to detect the air humidity inside the inner tank is installed in the air outlet connector. In this way, arranging the humidity sensor at the outlet of the hot air component avoids direct contact with the impact of water flow in the cavity, reduces the risk of water shorting of the sensor, and can more directly reflect the air humidity in the cavity.

[0011] The technical solution adopted by the present invention to solve the second technical problem is: the intelligent pressure balancing system of the inner cavity of the cleaning machine is characterized by the following control logic:

[0012] If the system determines that the working conditions are relatively mild and the cleaning temperature is low, the system will not start the intervention action in the cavity by default;

[0013] If the system determines that it is a daily wash or super-fast wash sequence, the temperature sensor detects the water temperature of the inner tank. When it detects that the water temperature reaches the set temperature and the humidity sensor of the exhaust component detects that the humidity value reaches the set value, the system calls the timed active exhaust sequence to intervene and guide some of the hot and humid air in the cavity to be discharged to the outside of the inner tank through the exhaust component;

[0014] If the system determines that it is an ultra-clean washing sequence, the humidity in the cavity is first detected by the humidity sensor of the exhaust component, and then the water temperature in the cavity is detected by the temperature sensor. When it is detected that the humidity and temperature have reached the set values, the timed active exhaust sequence is called to intervene, and then the humidity is detected by the humidity sensor of the respirator component. If the humidity value is detected to be higher than the preset value, the auxiliary ventilation sequence is called, and the hot air component is activated to introduce hot air into the inner tank.

[0015] Further preferably, the control process of the system includes the following steps:

[0016] Step 1: The system determines the type of wash sequence at the input end. If the sequence is daily wash or super-fast wash, it will execute step 2; if the sequence is super-clean wash, it will execute step 3; for other sequences, it will execute step 4;

[0017] Step 2: Continuously monitor the water temperature T from the time the water enters the tank to determine whether the water temperature is higher than the preset value T1. If so, proceed to step 5; if not, continue monitoring until it reaches T1.

[0018] Step 3: From the moment water enters the inner tank, the exhaust component continuously monitors the humidity value H to determine whether it is higher than the preset value H1. If so, proceed to step 6; otherwise, continue monitoring until it reaches H1.

[0019] Step 4: Maintain the original timing for the cleaning process without any additional system intervention;

[0020] Step 5: Start monitoring the humidity value H in the exhaust component to determine whether it is higher than the preset value H2. If so, intervene in a specific timed active exhaust sequence and proceed to step 7 while maintaining this sequence; if not, return to step 2;

[0021] Step 6: The temperature sensor starts to monitor the water temperature T at the bottom of the inner cavity and determines whether the water temperature is higher than the preset value T2. If so, a specific timed active exhaust sequence is initiated and the process proceeds to step 8 while maintaining this sequence. If not, the process returns to step 3.

[0022] Step 7: Continue the cleaning process until the current cleaning is completed, drain the water, and enter the next cleaning process. After the next cleaning process begins, return to step 2;

[0023] Step 8: During the cleaning process, the humidity sensor of the respirator assembly starts to monitor the humidity value H and determines whether it is higher than the preset value H3. If so, proceed to step 9; if not, proceed to step 10;

[0024] Step 9: Start an auxiliary ventilation sequence. Regardless of whether it is finished or not, wait until the current cleaning sequence is completed, drain the water, and enter the next cleaning sequence. After the next sequence starts, return to step 3.

[0025] Step 10: Continue the cleaning process until the current cleaning is completed, drain the water, and enter the next cleaning process. Return to step 3 after the next cleaning process begins.

[0026] To make the system more intelligent, the timed active exhaust and auxiliary ventilation sequences are adjusted according to the humidity level. When the humidity value increases faster than the set value, the exhaust and ventilation sequences are extended. This ensures optimal pressure balance in the cavity under different operating conditions.

[0027] Further preferably, in the same super-clean washing sequence, the timed active exhaust sequence is started at intervals, and the auxiliary ventilation sequence is only started once.

[0028] Compared with the prior art, the advantages of the present invention are that: the cleaning machine synchronously arranges humidity sensors at multiple points at the exhaust component and the respirator component, which can effectively detect the steam overflow in the cavity caused by the increase in humidity value. The feedback is sensitive and reliable, and the water level in the inner tank can be detected by the temperature sensor. The intelligent balance system of the inner cavity pressure is synchronously set with exhaust and ventilation action timing, which can cope with different degrees of steam overflow, and can sensitively detect and track the gas overflow process in the cavity. When the increase in cavity pressure is detected, it can promptly perform active and directional pressure relief actions to maintain the basic balance of cavity pressure. Moreover, it can adapt to different timings and different temperature and humidity environments for judgment, improve the degree of intelligence, and reduce the misjudgment rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of a portion of the structure of a cleaning machine according to an embodiment of the present invention;

[0030] Figure 2 for Figure 1 Schematic diagram of the structure from another angle;

[0031] Figure 3 This is a schematic structural diagram of an exhaust assembly according to an embodiment of the present invention;

[0032] Figure 4 This is a schematic structural diagram of a hot air assembly according to an embodiment of the present invention;

[0033] Figure 5 for Figure 4 An exploded schematic diagram of the hot air assembly shown;

[0034] Figure 6 This is a control flow chart of the intelligent balancing system for the inner cavity pressure of a cleaning machine according to an embodiment of the present invention. DETAILED DESCRIPTION

[0035] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0036] like Figures 1 to 3 As shown, the cleaning machine of this embodiment is a dishwasher, which includes an inner tank 1 and a door body 2 installed on the front of the inner tank, an exhaust component 3 is installed on the door body 2, a hot air component 4 is installed on the right side wall of the inner tank 1, and a respirator component 5 is installed on the left side wall of the inner tank 1.

[0037] The exhaust assembly 3 includes an exhaust housing with an air inlet and an air outlet. The exhaust housing includes an exhaust passage connecting the air inlet and the air outlet. The air inlet communicates with the interior of the inner liner 1, and the air outlet communicates with the exterior of the inner liner 1. In addition to the existing exhaust assembly, a humidity sensor 6 is installed in the exhaust passage. The exhaust assembly 3 extracts the gas from the inner liner 1, and the air outlet of the exhaust assembly 3 serves as the primary pressure relief port.

[0038] like Figure 4 and Figure 5 As shown, the hot air assembly 4 includes a shell 41, and a hot air channel is formed inside the shell 41, connecting the outside of the inner liner 1 with the inside of the inner liner 1. A heating element 42 and a fan 43 are installed in the hot air channel. The fan 43 is used to blow air into the inner liner 1. When necessary, the heating element 42 is turned on to perform hot air drying. The fan 43 is installed at the air inlet of the hot air channel. Along the direction of air flow, the heating element 42 is located downstream of the fan 43. The hot air channel downstream of the heating element 42 is divided into a first hot air branch 44 and a second hot air branch 45. An air outlet connector 46 is installed at the outlet of the first hot air branch 44 and the outlet of the second hot air branch 45. A humidity sensor 6 is installed in the air outlet connector 46 to detect the air humidity inside the inner liner.

[0039] During operation, under the operation of the fan 43, the external air is sucked into the hot air channel, and after being heated by the heating element 42, it becomes hot air, and after being diverted, it enters the first hot air branch 44 and the second hot air branch 45 respectively, and then supplies air to the interior of the inner tank 1 to achieve drying. In storage mode, the air in the cavity directly contacts the humidity sensor 6 surface humidity probe inside the air outlet connector 46, which can realize real-time feedback of the humidity value in the cavity. When the value is too large, a hot air circulation instruction is issued to dry the inner tank 1 with hot air. Placing the humidity sensor 6 at the air outlet connector 46 avoids direct contact with the impact of water flow in the cavity, reduces the risk of the sensor being soaked in water and short-circuited, and can more directly reflect the humidity of the air in the cavity.

[0040] The respirator assembly 5 comprises a housing with an air inlet and a breathing port. A duct connects the air inlet and the breathing port within the housing. The air inlet communicates with the interior of the liner 1, and the breathing port communicates with the exterior of the liner 1. In addition to existing respirator assemblies, a humidity sensor 6 is installed within the duct. The respirator assembly 5 is primarily used to balance air pressure inside and outside the cavity.

[0041] The humidity sensors 6 of the exhaust assembly 3 and the respirator assembly 5 can both be used to detect the air humidity in the inner liner 1 cavity. A temperature sensor (not shown) is installed at the bottom of the inner liner 1 cavity to detect the water inlet temperature of the inner liner 1.

[0042] like Figure 6 As shown, the internal cavity pressure intelligent balance system of the cleaning machine judges the input cleaning timing logic as follows:

[0043] The system inputs different cleaning sequences (temperature, duration, pump speed, etc.), and the system makes a preliminary judgment based on the sequence. When the sequence is a relatively gentle sequence with a low cleaning temperature, such as quiet wash, gentle wash, crystal-soft wash, or energy-saving wash, the system will not start the intervention action in the cavity by default. When the sequence is a more intense sequence, such as daily wash, super-fast wash, or super-clean wash, the system will intervene;

[0044] When the system determines that intervention is required and it is not ultra-clean washing, it first detects the water temperature of the inner tank in real time. When the water temperature reaches the set value (such as T1), (at this time, a certain amount of steam and water mist has been formed at room temperature or lower temperature), the humidity sensor at the exhaust component detects the humidity value and feeds back the signal. When the humidity value reaches the set level (such as H1), it is determined that the overflow of humid hot air has constituted a risk of overflowing the machine. The system calls the timed active exhaust timing intervention to guide part of the humid hot air to be discharged out of the cavity through the exhaust component 3, thereby effectively preventing or reducing the risk of water vapor overflowing from abnormal locations such as the respirator and hot air component.

[0045] When the system determines that the working conditions such as ultra-clean washing are the most intense, a humidity detection logic is set before and after the water temperature detection logic, and is set at the exhaust component 3 and the respirator component 5 respectively (generally speaking, the exhaust component will first detect the signal of high humidity). When the humidity and the washing water temperature at the humidity detection point of the exhaust component 3 reach the set value (such as H1 and T2), it is determined that the hot and humid air is overflowing and has posed a risk of overflowing the machine. The timed active exhaust sequence intervenes to guide part of the hot and humid air to be discharged out of the cavity through the exhaust component 3, thereby effectively preventing or reducing the risk of water vapor overflowing from abnormal locations such as the respirator component 5 and the hot air component 4. During this process, real-time monitoring of the humidity detection point of the respirator component 5 is maintained. If the respirator component 5 can still detect a high humidity value (such as H2), it is determined that there is still a risk of steam overflowing through the respirator component 5, indicating that there is still excessive steam in the cavity, and the exhaust (vacuum) action alone is difficult to meet the goal of preventing steam overflow. At this time, the auxiliary ventilation sequence intervenes and the hot air component is activated to perform a simple air exchange in the cavity. Since this action significantly changes the environment in the cavity, it is only activated once under extreme working conditions to reduce the amount of steam overflow.

[0046] The end point of the timed active exhaust sequence is the drainage sequence (after the single-pass cleaning sequence ends, the drainage sequence begins). At this point, the system will re-introduce water (usually room temperature or cold water). At this point, the entire determination returns to the initial water temperature determination, and the determination and action process restarts. This setting is to save energy and reduce the probability of false positives. Because the cleaning sequence logic of the nth and n+1th (different passes) is different (including water temperature and water pump speed, etc.), the cavity temperature and cleaning intensity are different, so it is necessary to return to the water temperature determination step and restart.

[0047] The above control process specifically includes the following steps:

[0048] Step 1: The system determines the type of wash sequence at the input end. If the sequence is daily wash or super-fast wash, it will execute step 2; if the sequence is super-clean wash, it will execute step 3; for other sequences, it will execute step 4;

[0049] Step 2: Continuously monitor the water temperature T from the time the water enters the tank to determine whether the water temperature is higher than the preset value T1. If so, proceed to step 5; if not, continue monitoring until it reaches T1.

[0050] Step 3: From the moment water enters the inner tank, the exhaust component continuously monitors the humidity value H to determine whether it is higher than the preset value H1. If so, proceed to step 6; otherwise, continue monitoring until it reaches H1.

[0051] Step 4: Maintain the original timing for the cleaning process without any additional system intervention;

[0052] Step 5: Start monitoring the humidity value H in the exhaust component to determine whether it is higher than the preset value H2. If so, intervene in a specific timed active exhaust sequence and proceed to step 7 while maintaining this sequence; if not, return to step 2;

[0053] Step 6: The temperature sensor starts to monitor the water temperature T at the bottom of the inner cavity and determines whether the water temperature is higher than the preset value T2. If so, a specific timed active exhaust sequence is initiated and the process proceeds to step 8 while maintaining this sequence. If not, the process returns to step 3.

[0054] Step 7: Continue the cleaning process until the current cleaning is completed, drain the water, and enter the next cleaning process. After the next cleaning process begins, return to step 2;

[0055] Step 8: During the cleaning process, the humidity sensor of the respirator assembly starts to monitor the humidity value H and determines whether it is higher than the preset value H3. If so, proceed to step 9; if not, proceed to step 10;

[0056] Step 9: Start an auxiliary ventilation sequence. Regardless of whether it is finished or not, wait until the current cleaning sequence is completed, drain the water, and enter the next cleaning sequence. After the next sequence starts, return to step 3.

[0057] Step 10: Continue the cleaning process until the current cleaning is completed, drain the water, and enter the next cleaning process. Return to step 3 after the next cleaning process begins.

[0058] The control process described above demonstrates that this system can deliver a relatively stable internal pressure, reduce steam leakage, and even replace most of the functions of the respirator's vent, completely isolating the outlet from steam leakage. Furthermore, this system maintains an optimal humidity level within the cabinet after cleaning (preventing moisture from escaping steam), significantly improving the performance of the hot air unit. The air drawn into the machine's internal cavity is dry, hot air, significantly improving drying efficiency.

[0059] Specifically, during the exhaust sequence, the exhaust fan operates for 30 seconds at a time before stopping, with a 5-minute interval between each operation. During the ventilation sequence, the hot air assembly's ventilation fan and the exhaust assembly's exhaust fan operate synchronously for 15 seconds before stopping, a single, non-repeated cycle, until the next drainage sequence begins. The preset water temperature values, T1 and T2, are used to aid in judgment and are typically set to temperatures where a large amount of steam is expected to be generated, such as 60°C.

[0060] In addition, the timed active exhaust sequence and auxiliary ventilation sequence can be adjusted accordingly based on the humidity value. When the humidity value increases faster than the set value, the actual operation time of the exhaust sequence can be extended to 60 seconds or 120 seconds. When the humidity value at the humidity detection point of the respirator component increases rapidly and quickly exceeds the set value, the actual operation time of the ventilation sequence can be extended to 30 seconds or 60 seconds, and the action can even be repeated within the same cleaning sequence (for example, every 5 minutes).

[0061] In the present specification and claims, directional terms such as "front," "back," "up," "down," "left," "right," "side," "top," and "bottom" are used to describe various exemplary structural parts and components of the present invention. However, these terms are used herein for convenience of description only and are based on the exemplary orientations shown in the accompanying drawings. Because the embodiments disclosed herein can be arranged in various orientations, these directional terms are intended for illustrative purposes only and should not be construed as limiting. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

Claims

1. An intelligent pressure balancing system for a cleaning machine, the cleaning machine comprising an inner container (1) and a door (2) mounted on the front of the inner container, characterized in that: An exhaust assembly (3) is installed on the door body (2), and a hot air assembly (4) and a respirator assembly (5) are installed on the side wall of the inner liner (1). The exhaust assembly (3) and the respirator assembly (5) both include a humidity sensor (6) capable of detecting the air humidity inside the inner liner, and a temperature sensor capable of detecting the water temperature inside the inner liner (1) is installed inside the inner liner; The control logic of the cleaning machine's internal cavity pressure intelligent balance system is as follows: If the system determines that the working conditions are relatively mild and the cleaning temperature is low, the system will not start the intervention action in the cavity by default; If the system determines that it is a daily wash or super-fast wash sequence, the temperature sensor detects the water temperature of the inner tank. When it detects that the water temperature reaches the set temperature and the humidity sensor of the exhaust component detects that the humidity value reaches the set value, the system calls the timed active exhaust sequence to intervene and guide some of the hot and humid air in the cavity to be discharged to the outside of the inner tank through the exhaust component; If the system determines that it is an ultra-clean washing sequence, the humidity in the cavity is first detected by the humidity sensor of the exhaust component, and then the water temperature in the cavity is detected by the temperature sensor. When it is detected that the humidity and temperature have reached the set values, the timed active exhaust sequence is called to intervene, and then the humidity is detected by the humidity sensor of the respirator component. If the humidity value is detected to be higher than the preset value, the auxiliary ventilation sequence is called, and the hot air component is activated to introduce hot air into the inner tank.

2. The intelligent internal pressure balancing system for a cleaning machine according to claim 1, characterized in that: The respirator assembly (5) is installed on the left side wall of the inner liner (1), and the hot air assembly (4) is installed on the right side wall of the inner liner (1).

3. The intelligent pressure balancing system for the inner cavity of a cleaning machine according to claim 1, characterized in that: The exhaust assembly (3) has an exhaust shell, the exhaust shell has an air inlet and an air outlet, the exhaust shell has an exhaust channel connecting the air inlet and the air outlet, the air inlet is connected to the inside of the inner liner (1), and the air outlet is connected to the outside of the inner liner (1), and the humidity sensor (6) of the exhaust assembly is installed in the exhaust channel.

4. The intelligent pressure balancing system for the inner cavity of a cleaning machine according to claim 1, characterized in that: The respirator assembly (5) has a shell, an air inlet and a breathing port are formed on the shell, an air duct is provided inside the shell connecting the air inlet and the breathing port, the air inlet is connected to the inside of the liner (1), and the breathing port is connected to the outside of the liner (1), and a humidity sensor (6) of the respirator assembly (5) is installed in the air duct.

5. The intelligent internal pressure balancing system for a cleaning machine according to claim 1, characterized in that: The hot air assembly (4) comprises an outer shell (41), a hot air channel communicating with the inside and outside of the inner container (1) is formed inside the outer shell (41), and a heating element (42) and a fan (43) are installed in the hot air channel.

6. The intelligent pressure balancing system for the inner cavity of a cleaning machine according to claim 5, characterized in that: The fan (43) is installed at the air inlet of the hot air channel. Along the air flow direction, the heating element (42) is arranged downstream of the fan (43). The hot air channel downstream of the heating element (42) is divided into a first hot air branch (44) and a second hot air branch (45). An air outlet joint (46) is installed at the outlet of the first hot air branch (44) and the outlet of the second hot air branch (45). A humidity sensor (6) that can be used to detect the air humidity inside the inner tank is installed in the air outlet joint (46).

7. The intelligent pressure balancing system for the inner cavity of a cleaning machine according to claim 1, characterized in that The control process of the system includes the following steps: Step 1: The system determines the type of wash sequence at the input end. If the sequence is daily wash or super-fast wash, it will proceed to step 2; if the sequence is super-clean wash, it will proceed to step 3; For other timings, execute step 4; Step 2: Continuously monitor the water temperature T from the time the water enters the tank to determine whether the water temperature is higher than the preset value T1. If so, proceed to step 5; if not, continue monitoring until it reaches T1. Step 3: From the moment water enters the inner tank, the exhaust component continuously monitors the humidity value H to determine whether it is higher than the preset value H1. If so, proceed to step 6; otherwise, continue monitoring until it reaches H1. Step 4: Maintain the original timing for the cleaning process without any additional system intervention; Step 5: Start monitoring the humidity value H in the exhaust component to determine whether it is higher than the preset value H2. If so, intervene in a specific timed active exhaust sequence and proceed to step 7 while maintaining this sequence; if not, return to step 2; Step 6: The temperature sensor starts to monitor the water temperature T at the bottom of the inner cavity and determines whether the water temperature is higher than the preset value T2. If so, a specific timed active exhaust sequence is initiated and the process proceeds to step 8 while maintaining this sequence. If not, the process returns to step 3. Step 7: Continue the cleaning process until the current cleaning is completed, drain the water, and enter the next cleaning process. After the next cleaning process begins, return to step 2; Step 8: During the cleaning process, the humidity sensor of the respirator assembly starts to monitor the humidity value H and determines whether it is higher than the preset value H3. If so, proceed to step 9; if not, proceed to step 10; Step 9: Start an auxiliary ventilation sequence. Regardless of whether it is finished or not, wait until the current cleaning sequence is completed, drain the water, and enter the next cleaning sequence. After the next sequence starts, return to step 3. Step 10: Continue the cleaning process until the current cleaning is completed, drain the water, and enter the next cleaning process. Return to step 3 after the next cleaning process begins.

8. The intelligent internal pressure balancing system for a cleaning machine according to claim 7, characterized in that: The timed active exhaust timing and auxiliary ventilation timing are adjusted accordingly according to the humidity value. When the humidity value growth rate is higher than the setting, the action duration of the exhaust timing and ventilation timing is extended.

9. The intelligent pressure balancing system for the inner cavity of a cleaning machine according to claim 7, characterized in that: In the same ultra-clean washing sequence, the timed active exhaust sequence is started at intervals, and the auxiliary ventilation sequence is only started once.

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