A zoned heated respiratory system humidifier

Abstract

A humidifier for a respiratory system with zoned heating, relating to the field of medical device technology, includes a housing comprising an upper housing and a lower housing, which are threadedly connected; a silicone sealing ring is provided between the upper and lower housings; the interior of the upper housing is a mixing chamber, and the interior of the lower housing is a water storage chamber; it also includes a filter assembly sandwiched between the upper and lower housings to separate the mixing chamber and the water storage chamber; the filter assembly is formed by stacking multiple layers of filter membranes; the filter membranes intercept large water droplets, and the hydrophobic coating reduces water retention on the inner wall, further reducing the amount of condensate generated; the separation of the mixing chamber and the water storage chamber by the multiple layers of filter membranes, combined with a spiral guide plate to extend the gas path, forces the airflow to spiral upward, increases the contact time with atomized water vapor, improves humidification uniformity, and makes the air humidified more thoroughly.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a respiratory system humidifier with zoned heating. Background Technology

[0002] A ventilator is a vital medical device that can prevent and treat respiratory failure, reduce complications, and save and prolong patients' lives. A humidifier is an important component of a ventilator, its function being to warm and humidify inhaled air. Proper warming and humidification can prevent and reduce secondary respiratory infections in mechanically ventilated patients, as well as irritation to the cardiopulmonary system, keeping the alveoli moist. It also reduces heat and respiratory moisture loss, making it less prone to sputum buildup and decreasing the viscosity of secretions, thus promoting expectoration. However, in traditional ventilators, the airflow entering the humidifier often has a short path within the humidifier chamber, resulting in insufficient contact with water vapor before being expelled through the output pipe. This leads to inadequate air-moisture contact, easily causing insufficient or uneven humidity distribution, making patients prone to airway dryness. Utility Model Content

[0003] To address the problem of insufficient airflow and moisture contact in existing ventilators, this invention proposes a zoned heating and humidification ventilator system.

[0004] A humidifier for a respiratory system with zoned heating includes a housing, which comprises an upper housing and a lower housing, and the upper housing and the lower housing are threaded together; a silicone sealing ring is provided between the upper housing and the lower housing.

[0005] The upper shell has a mixing chamber inside, and the lower shell has a water storage chamber inside;

[0006] Furthermore, it also includes a filter assembly, which is sandwiched between the upper and lower housings to separate the mixing chamber from the water storage chamber;

[0007] Furthermore, the filter assembly is formed by stacking multiple layers of filter membranes; the filter membranes intercept large water droplets, and the hydrophobic coating reduces water residue on the inner wall, further reducing the amount of condensate generated.

[0008] By separating the mixing chamber and the water storage chamber with a multi-layer filter membrane, and combining it with a spiral guide plate to extend the gas path, the airflow is forced to spiral upward, increasing the contact time with the atomized water vapor, improving the humidification uniformity, and making the air humidified more thoroughly.

[0009] Furthermore, it also includes spiral guide plates, with multiple sets of spiral guide plates embedded in the mixing chamber; the surface of the spiral guide plates is embedded with heat-conducting strips, which use the temperature of water vapor to heat the spiral guide plates, avoiding the condensation of the saturated air below when it comes into contact with the spiral guide plates with a lower temperature in cold weather, thus preventing the gas humidity from decreasing.

[0010] Furthermore, heat-conducting strips are embedded on the surface of the spiral guide plate to maintain its own temperature using the heat of water vapor, thus avoiding the decrease in humidity caused by low-temperature condensation; the heating base plate directly heats the bottom of the water storage cavity, accelerating water evaporation and forming a stable steam source. The combination of the two achieves zoned heating, which is both energy-saving and avoids the problem of local overheating.

[0011] Furthermore, a heat-conducting base plate or a heating base plate is installed between the bottom surface of the lower housing and the water storage cavity. When a heat-conducting plate is installed at the bottom, an additional heating device is required. In this case, the humidifier itself does not have a heating function, but it can be installed on a respiratory humidification therapy device to replace its existing humidification tank.

[0012] Furthermore, when a heating plate is installed at the bottom, the device itself has a heating function and can be used as an external humidifier in conjunction with a ventilator that does not have a humidifier.

[0013] Furthermore, the inner surfaces of the mixing chamber and the water storage chamber are coated with a silica-fluoropolymer composite coating to reduce scale buildup and prevent scale buildup from reducing heating efficiency.

[0014] Furthermore, the inner surfaces of the mixing chamber and the water storage chamber are coated with silver ions to inhibit the growth of microorganisms such as Pseudomonas aeruginosa and Candida albicans, which could harm the patient's health.

[0015] Furthermore, it also includes a top cover, which is threaded to the top of the upper housing. A silicone sealing ring is provided between the top cover and the upper housing, and a baffle mounting base is connected to the bottom of the top cover.

[0016] Furthermore, a mounting shaft is provided in the center of the guide vane mounting base, and the spiral guide vane is connected to the surface of the mounting shaft.

[0017] Furthermore, both the shell and the top cover are made of transparent, high-temperature resistant materials, such as medical-grade polycarbonate, to facilitate observation of water level and gas humidity.

[0018] Furthermore, an atomizing plate fixing base is installed at the center of the bottom of the water storage chamber, and a limit rod is provided on the upper surface of the atomizing plate fixing base, with an atomizing plate sleeved on the surface of the limit rod.

[0019] Furthermore, the atomizing plate moves along the limiting rod with the water level, and the bottom of the water storage chamber is funnel-shaped. This funnel-shaped bottom design of the water storage chamber ensures effective atomization even at low water levels, preventing dry burning; a magnetic float switch and a water level sensor monitor the water level in real time, ensuring safe operation.

[0020] Furthermore, a magnetic float switch and a water level sensor are installed inside the water storage chamber.

[0021] A gas input interface is installed on the surface of the lower shell. The axis of the gas input interface is tangent to the periphery of the water storage cavity, and the gas input interface penetrates the surface of the water storage cavity to form a tangential air inlet.

[0022] Furthermore, the axis of the gas input interface is tangent to the periphery of the water storage chamber, causing the gas to form a swirling flow upon entry, thus enhancing the water-gas mixing efficiency; combined with the guiding effect of the spiral guide plate, the humidity is further evenly distributed.

[0023] Furthermore, a display screen, adjustment knob, and switch button are installed on the surface of the lower housing. The display screen is electrically connected to the water level sensor and the magnetic float switch. When a heating plate is installed at the bottom, the display screen, adjustment knob, and switch button are also electrically connected to the heating plate. The display screen shows the heating plate temperature, and the water level sensor and magnetic float switch detect the water level. When the water level is too low, the heating plate is turned off to prevent dry burning.

[0024] Furthermore, a gas output interface is installed on the surface of the upper housing, and the gas output interface is located above the water storage cavity.

[0025] When the device is in operation, it includes the following steps: Initial humidification via gas input: Gas enters the water storage chamber tangentially through the gas input interface, forming a swirling flow. This enhances the contact between the gas and the water surface at the bottom of the storage chamber, promoting initial water mist mixing. Simultaneously, an atomizing plate installed at the bottom of the storage chamber atomizes the liquid water into tiny droplets through high-frequency vibration. The atomizing plate floats up and down with the water level via a limiting rod, ensuring effective atomization even when the water level drops, avoiding the risk of dry burning. The funnel-shaped bottom design of the water storage chamber further concentrates the water flow, improving atomization efficiency at low water levels.

[0026] Enhanced airflow ensures further mixing of water and air: Gas carrying water mist enters the mixing chamber, where multiple sets of spiral guide plates force the airflow upward along a spiral path. Heat-conducting strips embedded in the surface of the guide plates absorb heat from the water vapor, maintaining their own temperature and preventing the water vapor from cooling due to low temperatures. A heating plate at the bottom of the water storage chamber directly heats the water, accelerating evaporation. Heat-conducting strips in the mixing chamber utilize residual heat from the water vapor for additional insulation, saving energy and preventing localized overheating, thus ensuring stable gas humidity.

[0027] Filtering large water droplets to prevent condensation buildup: Before entering the mixing chamber, the gas passes through a filtration assembly with multi-layered membranes that intercept large water droplets, reducing the risk of liquid water entering the breathing tubing. The hydrophobic coating on the membranes further reduces water residue on the inner walls, minimizing condensation formation.

[0028] The inner walls of the mixing chamber and the water storage chamber are coated with a silica-fluoropolymer composite coating to reduce scale buildup and maintain heating efficiency; the superimposed silver ion coating inhibits the growth of microorganisms such as Pseudomonas aeruginosa and Candida albicans, ensuring gas hygiene and safety.

[0029] Intelligent on / off switching and dynamic water level monitoring: A magnetic float switch and a water level sensor monitor the water level in the storage chamber in real time. When the water level is too low, an alarm is triggered or the power is automatically cut off to prevent the atomizing plate from burning dry. When the water level is normal, the atomizing plate floats with the water level to ensure atomization efficiency. The display screen shows the humidity, temperature, and water level status in real time. The adjustment knob allows medical staff to adjust the heating power and target humidity for precise control.

[0030] Output: The gas, after being guided by a spiral flow and heated in zones, has significantly improved humidity uniformity and is finally delivered to the patient's respiratory tract through the gas output interface; a silicone sealing ring is set at the shell connection to prevent air and water leakage and ensure the airtightness of the equipment; the transparent shell design allows for easy and intuitive observation of the internal water level and operating status.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. High-efficiency humidification and optimized humidity uniformity: The synergistic design of the spiral guide plate and tangential air inlet significantly improves the contact efficiency between gas and moisture. Gas enters the water storage chamber in a swirling flow, thoroughly mixing with the water mist generated by the atomizing plate. The spiral guide plate then forces the flow path to be extended, forming a spiral upward airflow that greatly increases the contact time and area between water and gas. Simultaneously, the heat-conducting strips on the surface of the guide plate utilize the residual heat of the water vapor to maintain their own temperature, preventing humidity loss due to low-temperature condensation; the heating plate at the bottom of the water storage chamber directly heats the water, accelerating evaporation and forming a stable steam source.

[0033] The utilization of waste heat in the mixing chamber and the active heating of the water storage chamber not only avoid local overheating and energy waste, but also ensure uniform and stable gas humidity.

[0034] 2. Multiple layers of protection ensure hygiene and safety: Antibacterial coating, intelligent monitoring system, and anti-scaling design create a multi-layered safety barrier. The silver ion coating sprayed on the inner walls of the mixing chamber and water storage chamber can inhibit the growth of pathogenic microorganisms such as Pseudomonas aeruginosa and Candida albicans, reducing the risk of respiratory infections; the silica-fluoropolymer composite coating reduces scale adhesion, maintains heating efficiency for a long time, and avoids performance degradation caused by scale buildup.

[0035] A magnetic float switch and water level sensor monitor the water level in the storage chamber in real time, automatically cutting off power for protection when the water level is low. Combined with the adaptive design of the atomizing plate that floats with the water level, the risk of dry burning is completely eliminated. These protective mechanisms ensure the equipment remains hygienic and safe during continuous operation, reducing maintenance frequency, making it especially suitable for high-risk medical environments such as ICUs.

[0036] 3. Easy to operate

[0037] The transparent housing and integrated control module significantly optimize the user experience. Medical staff can directly observe the water level in the storage chamber and the gas status in the mixing chamber through the transparent housing, eliminating the need for frequent disassembly of the equipment. The display screen shows humidity, temperature, and water level data in real time, and the adjustment knob allows for precise parameter control, simplifying the operation process. The silicone sealing rings at the housing joints ensure the equipment's airtightness, preventing air and water leaks. The modular design of the filter components and guide plates allows for quick disassembly and cleaning, reducing maintenance difficulty. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 A three-dimensional structural diagram of a respiratory system with zoned heating and humidification;

[0040] Figure 2 A front view of a respiratory system with zoned heating and humidification;

[0041] Figure 3 This is a cross-sectional view of AA.

[0042] Figure 4 This is a 3D structural diagram of the filter module.

[0043] In the picture:

[0044] 1. Lower casing;

[0045] 2. Gas input interface;

[0046] 3. Upper shell;

[0047] 4. Top cover;

[0048] 5. Gas output interface;

[0049] 6. Display screen;

[0050] 7. Adjust the knob;

[0051] 9. Switch button;

[0052] 10. Spiral guide vane;

[0053] 11. Filter module; 1101. Filter membrane;

[0054] 12. Deflector plate mounting bracket;

[0055] 14. Magnetic float switch;

[0056] 15. Atomizing plate;

[0057] 16. Water storage chamber;

[0058] 17. Mixing chamber;

[0059] 18. Heating the base plate;

[0060] 19. Atomizing plate fixing base;

[0061] 20. Water level sensor. Detailed Implementation

[0062] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0063] The application principle of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0064] Example 1

[0065] like Figure 1-4 As shown, a humidifier for a respiratory system with zoned heating includes a housing, which comprises an upper housing 3 and a lower housing 1, which are threaded together; a silicone sealing ring is provided between the upper housing 3 and the lower housing 1.

[0066] The upper shell 3 has a mixing chamber 17 inside, and the lower shell 3 has a water storage chamber 16 inside;

[0067] It also includes a filter assembly 11, which is sandwiched between the upper housing 3 and the lower housing 1 to separate the mixing chamber 17 from the water storage chamber 16;

[0068] The filter assembly 11 is formed by stacking multiple layers of filter membranes 1101; the filter membranes intercept large water droplets, and the hydrophobic coating reduces water residue on the inner wall, further reducing the amount of condensate generated.

[0069] The mixing chamber 17 and the water storage chamber 16 are separated by a multi-layer filter membrane 1101. Combined with the spiral guide plate 10 to extend the gas path, the airflow is forced to spiral upward, increasing the contact time with the atomized water vapor, improving the humidification uniformity, and making the air humidified more fully.

[0070] It also includes a spiral guide plate 10, with multiple sets of spiral guide plates 10 embedded in the mixing chamber 17; the surface of the spiral guide plate 10 is embedded with heat-conducting strips, which use the temperature of water vapor to heat the spiral guide plate 10, so as to avoid the saturated air below from condensing in contact with the spiral guide plate 10 with a lower temperature when the weather is cold, thus preventing the gas humidity from decreasing.

[0071] The spiral guide plate 10 has heat-conducting strips embedded on its surface, which use the heat of water vapor to maintain its own temperature and avoid the decrease in humidity caused by low-temperature condensation; the heating base plate 18 directly heats the bottom of the water storage cavity 16, accelerates water evaporation, and forms a stable steam source. The combination of the two achieves zoned heating, which is both energy-saving and avoids the problem of local overheating.

[0072] A heat-conducting base plate or heating base plate 18 is installed between the bottom surface of the lower housing 1 and the water storage cavity 16. When a heat-conducting plate is installed at the bottom, an additional heating device is required. In this case, the humidifier itself does not have a heating function, but it can be installed on a respiratory humidification therapy device to replace the existing humidification tank.

[0073] When the bottom heating plate 18 is installed, the device itself has a heating function and can be used as an external humidifier in conjunction with a ventilator that does not have a humidifier.

[0074] The inner surfaces of the mixing chamber 17 and the water storage chamber 16 are coated with a silica-fluoropolymer composite coating to reduce scale buildup and prevent scale buildup from reducing heating efficiency.

[0075] The inner surfaces of the mixing chamber 17 and the water storage chamber 16 are coated with silver ion coatings to inhibit the growth of microorganisms such as Pseudomonas aeruginosa and Candida albicans, which could harm the patient's health.

[0076] Example 2

[0077] like Figure 1-4 As shown, based on Embodiment 1, a respiratory system humidifier with zoned heating also includes a top cover 4, which is threaded to the top of the upper housing 3. A silicone sealing ring is provided between the top cover 4 and the upper housing 3, and a guide plate mounting seat 12 is connected to the bottom of the top cover 4.

[0078] A mounting shaft is provided in the center of the guide plate mounting base 12, and the spiral guide plate 10 is connected to the surface of the mounting shaft.

[0079] Both the shell and the top cover are made of transparent, high-temperature resistant materials, such as medical-grade polycarbonate, which facilitates observation of water level and gas humidity.

[0080] A misting plate fixing base 19 is installed at the center of the bottom of the water storage chamber 16. A limit rod is provided on the upper surface of the misting plate fixing base 19, and a misting plate 15 is sleeved on the surface of the limit rod.

[0081] The atomizing plate 15 moves along the limiting rod with the water level, and in conjunction with the funnel-shaped bottom design of the water storage chamber 16, it ensures effective atomization even at low water levels, preventing dry burning; the magnetic float switch 14 and the water level sensor 20 monitor the water level in real time to ensure safe operation.

[0082] A magnetic float switch 14 and a water level sensor 20 are installed inside the water storage chamber 16.

[0083] A gas input interface 2 is installed on the surface of the lower housing 1. The axis of the gas input interface 2 is tangent to the periphery of the water storage cavity 16. The gas input interface 2 penetrates the surface of the water storage cavity 16 to form a tangential air inlet.

[0084] The axis of the gas input interface 2 is tangent to the periphery of the water storage chamber, so that the gas forms a swirling flow when it enters, which enhances the water-gas mixing efficiency; combined with the guiding effect of the spiral guide plate 10, the humidity is further evenly distributed.

[0085] The lower housing 1 is equipped with a display screen 6, an adjustment knob 7, and a switch button 9. The display screen 6 is electrically connected to the water level sensor 20 and the magnetic float switch 14. When a heating plate 18 is installed at the bottom, the display screen 6, adjustment knob 7, and switch button 9 are also electrically connected to the heating plate 18. The display screen 6 displays the temperature of the heating plate 18, and the water level sensor 20 and magnetic float switch 14 detect the water level. When the water level is too low, the heating plate 18 is turned off to prevent dry burning.

[0086] A gas output port 5 is installed on the surface of the upper housing 3, and the gas output port 5 is located above the water storage cavity 16.

[0087] Example 3

[0088] like Figure 1-4 As shown, a humidifier for a respiratory system with zoned heating includes a housing, which comprises an upper housing 3 and a lower housing 1, which are threaded together; a silicone sealing ring is provided between the upper housing 3 and the lower housing 1.

[0089] The upper shell 3 has a mixing chamber 17 inside, and the lower shell 1 has a water storage chamber 16 inside;

[0090] It also includes a filter assembly 11, which is sandwiched between the upper housing 3 and the lower housing 1 to separate the mixing chamber 17 from the water storage chamber 16;

[0091] The filter assembly 11 is formed by stacking multiple layers of filter membranes 1101; the filter membranes intercept large water droplets, and the hydrophobic coating reduces water residue on the inner wall, further reducing the amount of condensate generated.

[0092] The mixing chamber 17 and the water storage chamber 16 are separated by a multi-layer filter membrane 1101. Combined with the spiral guide plate 10 to extend the gas path, the airflow is forced to spiral upward, increasing the contact time with the atomized water vapor, improving the humidification uniformity, and making the air humidified more fully.

[0093] It also includes a spiral guide plate 10, with multiple sets of spiral guide plates 10 embedded in the mixing chamber 17; the surface of the spiral guide plate 10 is embedded with heat-conducting strips, which use the temperature of water vapor to heat the spiral guide plate 10, so as to avoid the saturated air below from condensing in contact with the spiral guide plate 10 with a lower temperature when the weather is cold, thus preventing the gas humidity from decreasing.

[0094] The spiral guide plate 10 has heat-conducting strips embedded on its surface, which use the heat of water vapor to maintain its own temperature and avoid the decrease in humidity caused by low-temperature condensation; the heating base plate 18 directly heats the bottom of the water storage cavity 16, accelerates water evaporation, and forms a stable steam source. The combination of the two achieves zoned heating, which is both energy-saving and avoids the problem of local overheating.

[0095] A heat-conducting base plate or heating base plate 18 is installed between the bottom surface of the lower housing 1 and the water storage cavity 16. When a heat-conducting plate is installed at the bottom, an additional heating device is required. In this case, the humidifier itself does not have a heating function, but it can be installed on a respiratory humidification therapy device to replace the existing humidification tank.

[0096] When the bottom heating plate 18 is installed, the device itself has a heating function and can be used as an external humidifier in conjunction with a ventilator that does not have a humidifier.

[0097] The inner surfaces of the mixing chamber 17 and the water storage chamber 16 are coated with a silica-fluoropolymer composite coating to reduce scale buildup and prevent scale buildup from reducing heating efficiency.

[0098] The inner surfaces of the mixing chamber 17 and the water storage chamber 16 are coated with silver ion coatings to inhibit the growth of microorganisms such as Pseudomonas aeruginosa and Candida albicans, which could harm the patient's health.

[0099] It also includes a top cover 4, which is threaded to the top of the upper housing 3. A silicone sealing ring is provided between the top cover 4 and the upper housing 3. A guide plate mounting seat 12 is connected to the bottom of the top cover 4.

[0100] A mounting shaft is provided in the center of the guide plate mounting base 12, and the spiral guide plate 10 is connected to the surface of the mounting shaft.

[0101] Both the shell and the top cover are made of transparent, high-temperature resistant materials, such as medical-grade polycarbonate, which facilitates observation of water level and gas humidity.

[0102] A misting plate fixing base 19 is installed at the center of the bottom of the water storage cavity 16. A limiting rod is provided on the upper surface of the misting plate fixing base 19. A misting plate 15 is sleeved on the surface of the limiting rod. The misting plate 15 moves along the surface of the limiting rod and moves with the water level in the water storage cavity 16.

[0103] The atomizing plate 15 moves along the limiting rod with the water level, and in conjunction with the funnel-shaped bottom design of the water storage chamber 16, it ensures effective atomization even at low water levels, preventing dry burning; the magnetic float switch 14 and the water level sensor 20 monitor the water level in real time to ensure safe operation.

[0104] A magnetic float switch 14 and a water level sensor 20 are installed inside the water storage chamber 16.

[0105] A gas input interface 2 is installed on the surface of the lower housing 1. The axis of the gas input interface 2 is tangent to the periphery of the water storage cavity 16. The gas input interface 2 penetrates the surface of the water storage cavity 16 to form a tangential air inlet.

[0106] The axis of the gas input interface 2 is tangent to the periphery of the water storage chamber, so that the gas forms a swirling flow when it enters, which enhances the water-gas mixing efficiency; combined with the guiding effect of the spiral guide plate 10, the humidity is further evenly distributed.

[0107] The lower housing 1 is equipped with a display screen 6, an adjustment knob 7, and a switch button 9. The display screen 6 is electrically connected to the water level sensor 20 and the magnetic float switch 14. When a heating plate 18 is installed at the bottom, the display screen 6, adjustment knob 7, and switch button 9 are also electrically connected to the heating plate 18. The display screen 6 displays the temperature of the heating plate 18, and the water level sensor 20 and magnetic float switch 14 detect the water level. When the water level is too low, the heating plate 18 is turned off to prevent dry burning.

[0108] A gas output port 5 is installed on the surface of the upper housing 3.

[0109] When the device is in operation, it includes the following steps:

[0110] 1. Initial humidification via gas input: Gas enters the water storage chamber 16 tangentially through the gas input interface 2, forming a swirling flow. This enhances the contact between the gas and the water surface at the bottom of the chamber, promoting initial water mist mixing. Simultaneously, the atomizing plate 15 installed at the bottom of the water storage chamber 16 atomizes the liquid water into tiny droplets through high-frequency vibration. The atomizing plate floats up and down with the water level via a limiting rod, ensuring effective atomization even when the water level drops, avoiding the risk of dry burning. The funnel-shaped bottom design of the water storage chamber further concentrates the water flow, improving atomization efficiency at low water levels.

[0111] 2. Enhanced airflow ensures further mixing of water and air: Gas carrying water mist enters the mixing chamber 17, where it is forced to rise along a spiral path by multiple sets of spiral guide plates 10. Heat-conducting strips embedded in the surface of the guide plates absorb heat from the water vapor, maintaining their own temperature and preventing the water vapor from cooling due to low temperatures. The heating plate 18 at the bottom of the water storage chamber directly heats the water, accelerating evaporation. The heat-conducting strips in the mixing chamber utilize residual heat from the water vapor for auxiliary insulation, saving energy and preventing localized overheating, thus ensuring stable gas humidity.

[0112] 3. Filtering large water droplets to prevent condensation buildup: Before entering the mixing chamber, the gas must pass through the filter assembly 11, whose multi-layer filter membrane 1101 intercepts large water droplets, reducing the risk of liquid water entering the breathing tube. The hydrophobic coating of the filter membrane further reduces water residue on the inner wall, lowering condensation formation.

[0113] The inner walls of the mixing chamber and the water storage chamber are coated with a silica-fluoropolymer composite coating to reduce scale buildup and maintain heating efficiency; the superimposed silver ion coating inhibits the growth of microorganisms such as Pseudomonas aeruginosa and Candida albicans, ensuring gas hygiene and safety.

[0114] 4. Intelligent on / off switching and dynamic water level monitoring: The magnetic float switch 14 and water level sensor 20 monitor the water level in the storage chamber in real time. When the water level is too low, an alarm is triggered or the power is automatically cut off to prevent the atomizing plate from burning dry; when the water level is normal, the atomizing plate floats with the water level to ensure atomization efficiency. The display screen 6 displays the humidity, temperature and water level status in real time; the adjustment knob 7 allows medical staff to adjust the heating power and target humidity to achieve precise control.

[0115] 5. Output: The gas, after being guided by a spiral flow and heated in zones, has significantly improved humidity uniformity and is finally delivered to the patient's respiratory tract through gas output port 5; a silicone sealing ring is set at the shell connection to prevent air and water leakage and ensure the airtightness of the equipment; the transparent shell design makes it easy to observe the internal water level and operating status.

[0116] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention.

[0117] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A zoned heated respiratory system humidifier, characterized in that, Includes a housing, the housing comprising an upper housing (3) and a lower housing (1), the upper housing (3) and the lower housing (1) being threaded together; The upper shell (3) has a mixing chamber (17) inside, and the lower shell (1) has a water storage chamber (16) inside. It also includes a spiral guide plate (10), and multiple sets of the spiral guide plates (10) are embedded in the mixing chamber (17). It also includes a gas output interface (5), which is located above the water storage chamber (16).

2. A zoned heated respiratory humidification device according to claim 1, wherein: It also includes a filter assembly (11), which is sandwiched between the upper housing (3) and the lower housing (1) to separate the mixing chamber (17) and the water storage chamber (16); the filter assembly (11) is formed by stacking multiple layers of filter membranes (1101); a heat-conducting base plate or a heating base plate (18) is installed between the bottom surface of the lower housing (1) and the water storage chamber (16).

3. A zoned heated respiratory humidification device according to claim 2, wherein: It also includes a top cover (4), which is threaded to the top of the upper housing (3). The bottom of the top cover (4) is connected to a guide plate mounting seat (12). A mounting shaft is provided in the center of the guide plate mounting seat (12). The spiral guide plate (10) is connected to the surface of the mounting shaft. The surface of the spiral guide plate (10) is embedded with heat-conducting strips.

4. A humidifier for a respiratory system with zoned heating according to claim 2, characterized in that: A misting plate fixing base (19) is installed at the center of the bottom of the water storage cavity (16). A limiting rod is provided on the upper surface of the misting plate fixing base (19), and a misting plate (15) is sleeved on the surface of the limiting rod.

5. A zonally heated respiratory system humidifier as claimed in claim 4 wherein: The atomizing plate (15) moves along the surface of the limiting rod and moves with the water level in the water storage chamber (16).

6. A humidifier for a respiratory system with zoned heating according to claim 5, characterized in that: The bottom of the water storage cavity (16) is funnel-shaped.

7. A zonally heated respiratory system humidifier as claimed in claim 6 wherein: A magnetic float switch (14) and a water level sensor (20) are installed inside the water storage chamber (16).

8. A humidifier for a respiratory system with zoned heating according to claim 1, characterized in that: A gas input interface (2) is installed on the surface of the lower housing (1). The axis of the gas input interface (2) is tangent to the periphery of the water storage cavity (16). The gas input interface (2) penetrates the surface of the water storage cavity (16) to form a tangential air inlet.

9. A humidifier for a respiratory system with zoned heating according to claim 8, characterized in that: The lower housing (1) is equipped with a display screen (6), an adjustment knob (7), and a switch button (9).

10. A zoned heated respiratory humidification device according to claim 1, wherein: The gas output port (5) is connected to the surface of the upper housing (3).

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