Fresh air module and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, in particular to a fresh air module and an air conditioner, and aims to solve the problems that the comfort of a user is reduced and the user experience is influenced due to the fact that fresh air is frequently introduced for oxygenation. In order to achieve the purpose, the fresh air module comprises a one-way air supply device capable of supplying outdoor fresh air into a room; the two-way air supply device can supply outdoor fresh air into a room and can discharge indoor air to the outside; and the oxygen generation device is arranged in the fresh air channel of the one-way air supply device and / or the two-way air supply device, and the oxygen generation device can generate oxygen and convey the oxygen into a room through fresh air. Oxygen is generated through the oxygen generation device, the oxygen content in fresh air can be increased, the amount of fresh air introduced into a room can be reduced, the influence of the fresh air on the indoor temperature is reduced, meanwhile, the one-way air supply device and the two-way air supply device are arranged, various different air exchange modes can be achieved, and the air exchange efficiency is improved. And the accuracy and the speed of improving the indoor air are improved.

Description

Technical Field

[0001] This utility model relates to the field of air conditioner technology, specifically providing a fresh air module and an air conditioner. Background Technology

[0002] An air conditioner is a household appliance used to regulate indoor temperature. During the use of an air conditioner, in order to better and faster regulate the temperature of the indoor space and for energy-saving considerations, the doors and windows of the indoor space are usually closed. As the indoor space remains closed for an extended period of time and human activity consumes oxygen, the indoor oxygen content gradually decreases. Too low an oxygen concentration can cause discomfort to the human body. For example, in an environment with low oxygen content, a person's attention span may narrow, mental fatigue may increase, and visual sensitivity may decrease.

[0003] In existing technologies, oxygenation is usually achieved by introducing fresh outdoor air. However, the indoor temperature also changes as fresh air is introduced. Frequent introduction of fresh air for oxygenation can reduce user comfort and affect user experience.

[0004] Accordingly, there is a need in this field for a new type of air conditioner to solve the above problems. Utility Model Content

[0005] The present invention aims to solve the above-mentioned technical problem, namely, to solve the problem that when oxygen is increased by introducing fresh outdoor air, the indoor ambient temperature will change at the same time, resulting in a decrease in user comfort and affecting user experience.

[0006] In a first aspect, the present invention provides a fresh air module, the fresh air module comprising: a unidirectional air supply device capable of supplying outdoor fresh air into the room; a bidirectional air supply device capable of supplying outdoor fresh air into the room and also capable of exhausting indoor air to the outside; and an oxygen generating device disposed in the fresh air channel of the unidirectional air supply device and / or the bidirectional air supply device, the oxygen generating device being capable of generating oxygen and delivering it to the room through fresh air.

[0007] In some embodiments, the unidirectional air supply device includes a first outdoor air inlet, a first indoor air outlet, and a first air cavity. The first air cavity is connected to the first outdoor air inlet and the first indoor air outlet, and outdoor fresh air is sequentially delivered to the room through the first outdoor air inlet, the first air cavity, and the first indoor air outlet. The bidirectional air supply device includes a second outdoor air inlet, a second indoor air outlet, and a second air cavity. The second air cavity is connected to the second outdoor air inlet and the second indoor air outlet, and outdoor fresh air is sequentially delivered to the room through the second outdoor air inlet, the second air cavity, and the second indoor air outlet.

[0008] In some embodiments, the oxygen generating device is disposed in the first air cavity and / or the second air cavity; and / or, the bidirectional air supply device further includes an indoor air inlet and an outdoor air outlet, the second air cavity being connected to the indoor air inlet and the outdoor air outlet, and indoor air being discharged to the outside in sequence through the indoor air inlet, the second air cavity and the outdoor air outlet.

[0009] In some embodiments, the oxygen generating device includes: an electrolysis box for holding water; a diaphragm disposed inside the electrolysis box to divide the internal space of the electrolysis box into an anode chamber and a cathode chamber that are connected at the bottom; an anode electrode disposed inside the anode chamber for electrolyzing water to generate oxygen; and a cathode electrode disposed inside the cathode chamber for electrolyzing water to generate hydrogen. The electrolysis box also has a first outlet connected to the anode chamber and a second outlet connected to the cathode chamber on its wall.

[0010] In some embodiments, the cathode chamber is provided with an adsorption component located on top of the cathode electrode for adsorbing hydrogen gas generated by water electrolysis.

[0011] In some embodiments, a grid is provided in the cathode chamber, which divides the cathode chamber into an adsorption chamber and an ionization chamber from top to bottom. The cathode electrode is located in the ionization chamber, and the adsorption assembly is located in the adsorption chamber.

[0012] In some embodiments, the highest water level of the oxygen generating device is lower than the grid, and the lowest water level of the oxygen generating device is higher than the free end of the diaphragm; and / or, the adsorption component comprises at least one of carbon-based particles, metal-organic frameworks, and zeolites.

[0013] In some embodiments, the water electrolysis oxygen generator further includes a liquid level detection element disposed inside the electrolysis box for detecting the water level inside the electrolysis box.

[0014] Secondly, this utility model provides an air conditioner, the air conditioner comprising: a housing; and a fresh air module as described in claim 1, wherein the fresh air module is disposed within the housing.

[0015] In some embodiments, the air conditioner further includes: an oxygen detector for detecting indoor oxygen content; a hydrogen detector for detecting indoor hydrogen content; and a control module connected to the oxygen detector, the hydrogen detector, and the liquid level detector. The control module is configured to: control the oxygen generator to operate when the indoor oxygen content is detected to be below a first threshold, the hydrogen content to be below a second threshold, and the water level in the electrolysis box to be within a preset range; control the oxygen generator to shut down and control the bidirectional air supply device to switch to exhaust mode when the hydrogen content is detected to exceed a safety threshold; and shut down the oxygen generator when the indoor oxygen content reaches a third threshold, wherein the third threshold is greater than the first threshold.

[0016] When the above-mentioned solutions are adopted, and the indoor oxygen content is low, requiring oxygenation, the unidirectional and / or bidirectional air supply devices, along with their corresponding oxygen generators, are activated. Oxygen is then introduced into the room along with the fresh air, increasing the indoor oxygen content. For example, the unidirectional air supply device and its oxygen generator can be activated; or the bidirectional air supply device can be activated to introduce fresh air while simultaneously activating its oxygen generator; or the unidirectional air supply device can be activated to introduce fresh air and its oxygen generator, while simultaneously activating the bidirectional air supply device to exhaust indoor air; or the unidirectional and bidirectional air supply devices can be activated to introduce fresh air, along with their respective oxygen generators. The oxygen generator increases the oxygen content in the fresh air, thereby reducing the amount of fresh air introduced into the room and minimizing its impact on indoor temperature. By setting up unidirectional and bidirectional air supply devices, various ventilation methods can be implemented, improving the accuracy and speed of indoor air improvement and further enhancing the user experience. Attached Figure Description

[0017] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0018] Figure 1 This is a schematic diagram of the structure of the fresh air module of this utility model;

[0019] Figure 2 yes Figure 1 A structural diagram from another angle;

[0020] Figure 3 yes Figure 1 A schematic diagram of a partial structure;

[0021] Figure 4 This is a cross-sectional view of the oxygen generating device of this utility model;

[0022] Figure 5 This is a schematic diagram of the oxygen generating device of this utility model;

[0023] Figure 6 This is a structural schematic diagram of the air conditioner of this utility model.

[0024] Figure label:

[0025] 100. Unidirectional air supply device; 101. First outdoor air inlet; 102. First indoor air outlet; 103. First air cavity; 200. Bidirectional air supply device; 201. Second outdoor air inlet; 202. Second indoor air outlet; 203. Indoor air inlet; 204. Outdoor air outlet; 300. Oxygen generating device; 301. Electrolysis box; 302. Diaphragm; 303. Anode chamber; 304. Cathode chamber; 3041. Grille; 3042. Adsorption chamber; 3043. Ionization chamber; 305. Anode electrode; 306. Cathode electrode; 307. First air outlet; 308. Second air outlet; 309. Liquid level detection element. Detailed Implementation

[0026] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0027] It should be noted that in the description of this utility model, terms such as "upper," "lower," "left," and "right," indicating directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. "Multiple" refers to two or more.

[0028] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] Firstly, this application provides a fresh air module.

[0030] Combination Figure 1 and Figure 3As shown, the fresh air module provided in this application includes a one-way air supply device 100, a two-way air supply device 200, and an oxygen generator 300.

[0031] The one-way air supply device 100 can deliver fresh outdoor air into the room.

[0032] The two-way air supply device 200 can bring fresh outdoor air into the room and exhaust indoor air to the outside.

[0033] The oxygen generator 300 is installed in the fresh air duct of the one-way air supply device 100 and / or the two-way air supply device 200. The oxygen generator 300 can generate oxygen and deliver it to the room through fresh air.

[0034] When the above-mentioned scheme is adopted, and the indoor oxygen content is low and it is necessary to increase the indoor oxygen content, the one-way air supply device 100 and / or the two-way air supply device 200 and the corresponding oxygen generating device 300 are activated. Oxygen can be delivered into the room along with the fresh air, thereby increasing the indoor oxygen content. For example, the one-way air supply device 100 and the oxygen generating device 300 in the one-way air supply device 100 can be turned on; or the two-way air supply device 200 can be turned on to introduce fresh air and the oxygen generating device 300 in the two-way air supply device 200 can be turned on; or the one-way air supply device 100 can be turned on to introduce fresh air and the oxygen generating device 300 in the one-way air supply device 100 can be turned on, while the two-way air supply device 200 is turned on to exhaust indoor air; or the one-way air supply device 100 can be turned on to introduce fresh air, the two-way air supply device 200 can be turned on to introduce fresh air, and the oxygen generating device 300 in the one-way air supply device 100 and / or the two-way air supply device 200 can be turned on. Oxygen is generated by the oxygen generator 300, which increases the oxygen content in the fresh air, thereby reducing the amount of fresh air introduced into the room and minimizing its impact on indoor temperature. By incorporating a unidirectional air supply device 100 and a bidirectional air supply device 200, various ventilation methods can be implemented, improving the accuracy and speed of indoor air improvement and further enhancing the user experience.

[0035] In some embodiments, combined with Figure 2 and Figure 3 As shown, the unidirectional air supply device 100 includes a first outdoor air inlet 101, a first indoor air outlet 102, and a first air cavity 103. The first air cavity 103 is connected to the first outdoor air inlet 101 and the first indoor air outlet 102. Outdoor fresh air is sequentially delivered to the room through the first outdoor air inlet 101, the first air cavity 103, and the first indoor air outlet 102. The first outdoor air inlet 101 is connected to the outside through a duct, and the first indoor air outlet 102 is connected to the room. During operation, the fan of the unidirectional air supply device 100 rotates to draw in fresh air from the outside through the first outdoor air inlet 101 and deliver it to the room through the first indoor air outlet 102.

[0036] The bidirectional air supply device 200 includes a second outdoor air inlet 201, a second indoor air outlet 202, and a second air cavity. The second air cavity is connected to the second outdoor air inlet 201 and the second indoor air outlet 202. Outdoor fresh air is sequentially delivered to the room through the second outdoor air inlet 201, the second air cavity, and the second indoor air outlet 202. The second outdoor air inlet 201 is connected to the outside via a duct, and the second indoor air outlet 202 is connected to the room. When the bidirectional air supply device 200 is in fresh air mode, the second outdoor air inlet 201 and the second indoor air outlet 202 are open, the fan of the bidirectional air supply device 200 rotates, and fresh air is drawn from the outside through the second outdoor air inlet 201 and delivered to the room through the second indoor air outlet 202.

[0037] In some embodiments, combined with Figure 1 and Figure 2 As shown, the bidirectional air supply device 200 also includes an indoor air inlet 203 and an outdoor air outlet 204. A second air chamber is connected to the indoor air inlet 203 and the outdoor air outlet 204. Indoor air is sequentially discharged to the outside through the indoor air inlet 203, the second air chamber, and the outdoor air outlet 204. The indoor air inlet 203 is connected to the indoor environment, and the outdoor air outlet 204 is connected to the outside environment via a duct. When the bidirectional air supply device 200 is in exhaust mode, the second outdoor air inlet 201 and the second indoor air outlet 202 are closed, while the indoor air inlet 203 and the outdoor air outlet 204 are open. The fan of the bidirectional air supply device 200 rotates, drawing in stale air from the indoor environment through the indoor air inlet 203 and discharging it to the outside environment through the outdoor air outlet 204. It can be understood that when the bidirectional air supply device 200 is in fresh air mode, the indoor air inlet 203 and the outdoor air outlet 204 are closed.

[0038] In some embodiments, the oxygen generator 300 is disposed in the first air chamber 103 and / or the second air chamber. This arrangement allows the oxygen generated by the oxygen generator 300 to enter the room with the fresh air, rapidly increasing the indoor oxygen concentration while reducing the amount of fresh air entering the room.

[0039] In some embodiments, combined with Figure 4 and Figure 5 As shown, the oxygen generating device 300 includes an electrolysis box 301, a diaphragm 302, an anode electrode 305, and a cathode electrode 306. The interior of the electrolysis box 301 is used to hold water. The diaphragm 302 is disposed inside the electrolysis box 301, dividing the internal space of the electrolysis box 301 into an anode chamber 303 and a cathode chamber 304, which are connected at their bottoms. The anode electrode 305 is disposed in the anode chamber 303 and is used to electrolyze water to generate oxygen. The cathode electrode 306 is disposed in the cathode chamber 304 and is used to electrolyze water to generate hydrogen. The electrolysis box 301 also has a first outlet 307 connected to the anode chamber 303 and a second outlet 308 connected to the cathode chamber 304 on its wall.

[0040] A diaphragm 302 is fixed inside the electrolysis box 301, with a gap between the bottom of the diaphragm 302 and the bottom of the electrolysis box 301. The diaphragm 302 prevents the mixing of oxygen and hydrogen produced by water electrolysis. The diaphragm 302 divides the electrolysis box 301 into an anode chamber 303 and a cathode chamber 304, which are interconnected at their bottoms. Since the bottoms of the anode chamber 303 and the cathode chamber 304 are interconnected, water can be supplied to both chambers regardless of whether the water inlet is connected to the anode chamber 303 or the cathode chamber 304, for electrolysis by the anode electrode 305 and the cathode electrode 306.

[0041] The electrolytic cell 301 is provided with multiple first gas outlets 307 and second gas outlets 308. The first gas outlets 307 are located on the side wall of the anode chamber 303, and the second gas outlets 308 are located on the top wall of the cathode chamber 304. The anode electrode 305 is inserted into the anode chamber 303, and the cathode electrode 306 is inserted into the cathode chamber 304. Power is supplied to the anode electrode 305 and cathode electrode 306 via the control board of an air conditioner; alternatively, an additional power supply can be provided. After the anode electrode 305 and cathode electrode 306 are energized, the following reactions occur at the anode electrode 305 and cathode electrode 306, respectively:

[0042] The reaction occurs at the anode electrode 305: 4OH - →O2↑+2H2O+4e - ;

[0043] The reaction occurs at cathode electrode 306: 4H₂O + 4e⁻ - →2H₂↑+4OH⁻ - ;

[0044] The oxygen generated by the anode electrode 305 enters the corresponding fresh air module through the first air outlet 307 and then enters the room along with the fresh air, increasing the indoor oxygen content. Because the oxygen generated by the anode electrode 305 can increase the oxygen content in the fresh air, the amount of fresh air required to provide the same oxygen content to the room is reduced, thereby reducing the impact of fresh air on indoor temperature, improving user comfort, and providing a better user experience.

[0045] In some embodiments, combined with Figure 4 As shown, an adsorption assembly is installed inside the cathode chamber 304, located on top of the cathode electrode 306, to adsorb hydrogen gas generated by water electrolysis. Hydrogen gas has a low density and tends to diffuse upwards; placing the adsorption assembly on top of the cathode electrode 306 allows for better adsorption of hydrogen gas, reducing the amount of hydrogen gas entering the chamber. Unadsorbed hydrogen gas is discharged through the second outlet 308.

[0046] In some embodiments, combined with Figure 4 As shown, a grid 3041 is provided inside the cathode chamber 304, dividing the cathode chamber 304 into an adsorption chamber 3042 and an ionization chamber 3043 from top to bottom. The cathode electrode 306 is located in the ionization chamber 3043, and the adsorption assembly is located in the adsorption chamber 3042. The grid 3041 divides the cathode chamber 304 into an adsorption chamber 3042 and an ionization chamber 3043 from top to bottom. The second gas outlet 308 is connected to the adsorption chamber 3042. The cathode electrode 306 is located in the ionization chamber 3043. The hydrogen gas generated by the ionization of the cathode electrode 306 diffuses upward to the adsorption chamber 3042 and is adsorbed by the adsorption assembly in the adsorption chamber 3042. The unadsorbed hydrogen gas is discharged through the second gas outlet 308.

[0047] Optionally, the adsorption component includes at least one of carbon-based particles, metal-organic frameworks, and zeolites. Carbon-based particles, metal-organic frameworks, and zeolites all have high porosity, enabling them to adsorb hydrogen. Specifically, the carbon-based particles include either activated carbon or graphene; for economic reasons, activated carbon particles are used as the adsorption component in this embodiment.

[0048] In some embodiments, the highest water level of the oxygen generator 300 is lower than that of the grid 3041, and the lowest water level of the oxygen generator 300 is higher than that of the free end of the diaphragm 302. This ensures normal electrolysis of water by the electrodes while preventing water from wetting the adsorption components.

[0049] In some embodiments, combined with Figure 4 As shown, the water electrolysis oxygen generator 300 also includes a liquid level detection element 309, which is disposed inside the electrolysis box 301 and used to detect the water level inside the electrolysis box 301. The liquid level detection element 309 can detect the water level inside the electrolysis box 301; in this embodiment, the liquid level detection element 309 is a liquid level sensor. When the water level inside the electrolysis box 301 is between the highest and lowest water levels, the anode electrode 305 and the cathode electrode 306 can be energized to electrolyze water. When the water level inside the electrolysis box 301 is lower than the lowest water level, the anode electrode 305 and the cathode electrode 306 stop electrolyzing water to reduce the safety hazard caused by dry burning.

[0050] Secondly, this application provides an air conditioner.

[0051] Combination Figure 6As shown, the air conditioner provided in this application includes a casing and a fresh air module as described in any of the above embodiments, with the fresh air module disposed within the casing. The air conditioner provided in this application generates oxygen through an oxygen generator 300, which increases the oxygen content in the fresh air, thereby reducing the amount of fresh air introduced into the room and minimizing the impact of fresh air on the indoor temperature. By setting up a unidirectional air supply device 100 and a bidirectional air supply device 200, various ventilation methods can be implemented, improving the accuracy and speed of indoor air improvement and further enhancing the user experience.

[0052] In some embodiments, the air conditioner further includes an oxygen detector, a hydrogen detector, and a control module. The oxygen detector detects the indoor oxygen content. The hydrogen detector detects the indoor hydrogen content. The control module is connected to the oxygen detector, the hydrogen detector, and the liquid level detector 309. The control module controls the oxygen generator 300 to operate when it detects that the indoor oxygen content is below a first threshold, the hydrogen content is below a second threshold, and the water level in the electrolysis box 301 is within a preset range. When it detects that the hydrogen content exceeds a safety threshold, it controls the oxygen generator 300 to shut down and controls the bidirectional air supply device 200 to switch to exhaust mode. When the indoor oxygen content reaches a third threshold, it shuts down the oxygen generator. The third threshold is greater than the first threshold.

[0053] An oxygen detector is installed at the air outlet of the air conditioner or indoors to detect the indoor oxygen content. A hydrogen detector detects the indoor hydrogen content. The hydrogen detector is installed above the air conditioner; since hydrogen is less dense than air, placing it above the air conditioner allows for more sensitive and accurate detection of the indoor hydrogen content. In this embodiment, the oxygen detector is an oxygen meter installed at the air outlet of the air conditioner, and the hydrogen detector is a hydrogen meter installed at the air inlet of the air conditioner.

[0054] When the indoor oxygen content is detected to be below a first threshold, the indoor hydrogen content to be below a second threshold, and the lowest water level < the water level in the electrolysis box < the highest water level, the oxygen generator 300 operates, introducing fresh outdoor air into the room to increase the indoor oxygen content. Preferably, the first threshold is 20%, and the second threshold is 3%.

[0055] When the indoor oxygen content exceeds the third threshold, the oxygen generator is turned off to stop oxygen production. Preferably, the third preset value is 23%.

[0056] When the indoor hydrogen content is detected to exceed the safety threshold, the oxygen generator 300 is shut down and the bidirectional ventilation device 200 is switched to exhaust mode to vent the indoor air with high hydrogen content to the outside, thereby reducing the indoor hydrogen content. The safety threshold is 3%.

[0057] The technical solution of this utility model has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A fresh air module, characterized in that The fresh air module comprises: a one-way air supply device (100) capable of sending outdoor fresh air into the room; a two-way air supply device (200) capable of sending outdoor fresh air into the room and capable of discharging indoor air to the outside; an oxygen generating device (300) arranged in the fresh air channel of the one-way air supply device (100) and / or the two-way air supply device (200), the oxygen generating device (300) being capable of generating oxygen and delivering the oxygen to the room through fresh air.

2. The fresh air module according to claim 1, wherein the one-way air supply device (100) comprises a first outdoor air inlet (101), a first indoor air outlet (102) and a first air cavity (103), the first air cavity (103) being in communication with the first outdoor air inlet (101) and the first indoor air outlet (102), and outdoor fresh air being delivered into the room through the first outdoor air inlet (101), the first air cavity (103) and the first indoor air outlet (102) in sequence; the two-way air supply device (200) comprises a second outdoor air inlet (201), a second indoor air outlet (202) and a second air cavity, the second air cavity being in communication with the second outdoor air inlet (201) and the second indoor air outlet (202), and outdoor fresh air being delivered into the room through the second outdoor air inlet (201), the second air cavity and the second indoor air outlet (202) in sequence.

3. The fresh air module according to claim 2, wherein the oxygen generating device (300) is arranged in the first air cavity (103) and / or the second air cavity; and / or the two-way air supply device (200) further comprises an indoor air inlet (203) and an outdoor air outlet (204), the second air cavity being in communication with the indoor air inlet (203) and the outdoor air outlet (204), and indoor air being discharged to the outside through the indoor air inlet (203), the second air cavity and the outdoor air outlet (204) in sequence.

4. Fresh air module according to any one of claims 1 to 3, characterized in that the oxygen generating device (300) comprises: an electrolytic box (301) inside which water is stored; a diaphragm (302) arranged inside the electrolytic box (301) and capable of separating the interior space of the electrolytic box (301) into an anode chamber (303) and a cathode chamber (304) in communication with each other; an anode electrode (305) arranged in the anode chamber (303) and used for electrolyzing water to generate oxygen; a cathode electrode (306) arranged in the cathode chamber (304) and used for electrolyzing water to generate hydrogen; wherein the box wall of the electrolytic box (301) is further provided with a first gas outlet (307) in communication with the anode chamber (303) and a second gas outlet (308) in communication with the cathode chamber (304).

5. Fresh air module according to claim 4, characterized in that The cathode chamber (304) is provided with an adsorption assembly, the adsorption assembly being located at the top of the cathode electrode (306) and used for adsorbing hydrogen generated by electrolyzing water.

6. Fresh air module according to claim 5, characterized in that A grid (3041) is arranged in the cathode chamber (304), which divides the cathode chamber (304) into an adsorption cavity (3042) and an ionization cavity (3043) in communication from top to bottom, and the cathode electrode (306) is located in the ionization cavity (3043) and the adsorption assembly is located in the adsorption cavity (3042).

7. The fresh air module of claim 6, wherein, The highest water level of the oxygen generating device (300) is lower than the grid (3041), and the lowest water level of the oxygen generating device (300) is higher than the free end of the diaphragm (302); and / or, The adsorption assembly comprises at least one of carbon-based particles, metal organic frameworks and zeolites.

8. Fresh air module according to claim 4, characterized in that The electrolytic water oxygen generating device (300) further comprises a liquid level detection member (309) arranged in the electrolytic box (301) and used for detecting the water level in the electrolytic box (301).

9. An air conditioner characterized by comprising: The air conditioner comprises: a shell; The fresh air module of claim 8 is arranged in the shell.

10. The air conditioner of claim 9, wherein The air conditioner further comprises: an oxygen detection member for detecting the oxygen content in the room; a hydrogen detection member for detecting the hydrogen content in the room; a control module connected with the oxygen detection member, the hydrogen detection member and the liquid level detection member (309); wherein the control module is configured to control the oxygen generating device (300) to work when it is detected that the oxygen content in the room is lower than a first threshold value, the hydrogen content is lower than a second threshold value, and the water level in the electrolytic box (301) is within a preset range; control the oxygen generating device (300) to be closed and control the bidirectional air supply device (200) to switch to an exhaust mode when it is detected that the hydrogen content exceeds a safety threshold value; and control the oxygen generating device to be closed when the oxygen content in the room reaches a third threshold value, the third threshold value being greater than the first threshold value.

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