CN211781474U - Fresh air device and air conditioner - Google Patents

Abstract

The utility model provides a fresh air device and an air conditioner, wherein the fresh air device is arranged at the lower part of the air conditioner, and includes a centrifugal fan, an ion generator and a purification module; the centrifugal fan includes a volute, a fresh air inlet, a fresh air outlet, and a fresh air The duct and the installation cavity, the fresh air inlet and the fresh air outlet are both located on the volute, the fresh air duct is connected with the fresh air inlet and the fresh air outlet, the installation cavity is located outside the fresh air inlet, and the installation cavity is connected with the fresh air inlet; The ionizer is arranged on the volute, and the emission end of the ionizer is located in the fresh air duct; the purification module is installed in the installation cavity, and the purification module is arranged at the fresh air inlet. The fresh air device of the utility model can introduce outdoor air into the room, and at the same time can improve the quality of the air introduced into the room, especially when the outdoor air is seriously polluted, it can purify the fine particles in the air, etc., effectively guaranteeing quality of the air entering the room.

Description

A kind of fresh air device and air conditioner

technical field

The utility model relates to the field of air conditioners, in particular to a fresh air device and an air conditioner.

Background technique

In the prior art, some air conditioners will install a fresh air device that communicates with the outside, and the fresh air (outdoor air) enters the room through the fresh air device. The phenomenon of decreasing O ₂ concentration and increasing CO ₂ concentration will also not occur, so as to avoid the phenomenon of dizziness, nausea and other symptoms that may damage human health due to decreasing O ₂ concentration and increasing CO ₂ concentration.

However, the current outdoor air may be polluted, such as haze weather, etc., the increase of fine particles such as dust in the outdoor air leads to the increase of the fresh air entering the room through the fresh air device, and the increase of fine particles such as dust, which affects the health of the human body. healthy.

Utility model content

In order to improve the quality of the air introduced into the room by air conditioners, etc., especially in the case of serious pollution such as haze in the outdoor air, it can purify the fine particles in the air and ensure the quality of the air introduced into the room. The novel provides a fresh air device, the fresh air device is arranged at the lower part of the air conditioner, and the fresh air device includes a centrifugal fan, an ion generator and a purification module;

The centrifugal fan includes a volute, a fresh air inlet, a fresh air outlet, a fresh air duct and an installation cavity, the fresh air inlet and the fresh air outlet are both arranged on the volute, and the fresh air duct is connected to the the fresh air inlet and the fresh air outlet, the installation cavity is arranged on the outside of the fresh air inlet, and the installation cavity is communicated with the fresh air inlet;

The ion generator is arranged on the volute, and the emission end of the ion generator is located in the fresh air duct;

The purification module is installed in the installation cavity, and the purification module is located at the fresh air inlet.

By adopting the above technical scheme, the utility model provides a fresh air device, wherein the fresh air inlet can be communicated with the outdoor air, the outdoor air can be introduced into the fresh air device, and the fresh air outlet can be communicated with the indoor air, and the outdoor air purified by the fresh air device can be introduced into the room , and/or reintroduce the indoor air purified by the fresh air device into the room.

The purification module can purify the outdoor air and/or the indoor air, and the purification module and the ionizer work together to purify the outdoor air and/or the indoor air; specifically, when the outdoor air enters the fresh air from the fresh air inlet During installation, since the purification module is installed in the installation cavity outside the fresh air inlet, and the purification module is located at the fresh air inlet, the outdoor air will first pass through the purification module, and then the purification module will purify the passing outdoor air; The outdoor air purified by the module will then pass through the fresh air inlet and the fresh air duct. Since the ionizer is installed on the volute, and the emitting end of the ionizer is located in the fresh air duct, the emitting end of the ionizer will generate negative ions. It is released into the passing outdoor air, so that the particles in the outdoor air passing through the ionizer will carry negative ions and become negative ion particles; then the outdoor air with negative ion particles will enter the room through the fresh air outlet and become indoor with negative ion particles. Air;

Then, when the indoor air with negative ion particles located near the air conditioner will enter the fresh air device from the fresh air inlet, since the purification module is positively charged, the negative ion particles in the indoor air will be adsorbed by the purification module; and then purified by the purification module. The indoor air will pass through the fresh air inlet, the fresh air duct and the fresh air outlet in turn to form a purification cycle.

The fresh air device of the utility model can introduce outdoor air into the room through the joint action of the purification module and the ionizer and the cooperation with the centrifugal fan in the fresh air device, and can improve the quality of the air introduced into the room at the same time, especially when the outdoor air is used. In the case of serious pollution such as haze in the air, the fresh air device of the utility model can purify the fine particles in the air, etc., and effectively ensure the quality of the air entering the room.

Optionally, the centrifugal fan is a double suction centrifugal fan;

The double suction centrifugal fan includes a motor and a fan blade, and the motor and the fan blade are both arranged inside the volute;

The fan blade includes a first fan blade and a second fan blade, and the first fan blade and the second fan blade are respectively arranged at both ends of the motor;

The fresh air inlet includes a first fresh air inlet and a second fresh air inlet, the first fresh air inlet and the second fresh air inlet are arranged oppositely, and the first fresh air inlet corresponds to the first fan blade The second fresh air inlet is arranged corresponding to the second fan blade.

In this structure, by setting the fresh air inlet of the double suction centrifugal fan to include a first fresh air inlet and a second fresh air inlet, wherein the first fresh air inlet can be communicated with outdoor air, the first fresh air inlet and/or the second fresh air inlet The second fresh air inlet can be communicated with the indoor air, and it is convenient to control the entry of outdoor air and/or indoor air into the fresh air device through the arrangement of the first fresh air inlet and the second fresh air inlet.

Optionally, the double suction centrifugal fan is installed horizontally or vertically in the housing of the air conditioner. With this structure, by installing the double suction centrifugal fan in the casing of the air conditioner horizontally or vertically, the inner space of the casing of the air conditioner can be effectively utilized.

Optionally, an outdoor fresh air inlet and an indoor fresh air outlet are respectively provided on the housing of the air conditioner corresponding to the fresh air device;

When the double-suction centrifugal fan is installed horizontally in the housing of the air conditioner; the first fresh air inlet is communicated with the outdoor fresh air inlet; the second fresh air inlet is connected to the evaporator of the air conditioner The cavity is communicated; the fresh air outlet is communicated with the indoor fresh air outlet.

In the utility model, the first fresh air inlet is communicated with the outdoor fresh air inlet, and the outdoor fresh air inlet can be further connected with a fresh air inlet pipe to realize communication with the outdoor air. The outdoor air is introduced into the fresh air device; the second fresh air inlet is connected to the evaporator cavity of the air conditioner, and the indoor air heated by the evaporator and relatively high temperature can be introduced into the fresh air device through the second fresh air inlet , when the heated indoor air enters the room from the fresh air outlet and the indoor fresh air outlet again, because the temperature is relatively high, it will effectively improve the comfort of the user; the fresh air outlet is connected with the indoor fresh air outlet, The fresh air outlet and the indoor fresh air outlet can introduce outdoor air into the room, and/or reintroduce the purified indoor air into the room.

Optionally, an outdoor fresh air inlet, an indoor side air inlet and an indoor fresh air outlet are respectively provided on the housing of the air conditioner corresponding to the fresh air device;

When the double suction centrifugal fan is installed horizontally in the housing of the air conditioner; the first fresh air inlet is communicated with the outdoor fresh air inlet, and the first fresh air inlet is connected to the indoor side air inlet The second fresh air inlet is communicated with the evaporator chamber of the air conditioner; the fresh air outlet is communicated with the indoor fresh air outlet.

Optionally, an outdoor fresh air inlet, an indoor side air inlet and an indoor fresh air outlet are respectively provided on the housing of the air conditioner corresponding to the fresh air device;

Both the first fresh air inlet and the second fresh air inlet are in communication with the outdoor fresh air inlet, and both the first fresh air inlet and the second fresh air inlet are in communication with the indoor side air inlet ; The fresh air outlet is communicated with the indoor fresh air outlet.

Optionally, the fresh air outlet includes a first fresh air outlet and a second fresh air outlet; the fresh air duct includes an air cavity and a fresh air outlet duct, and the fresh air outlet duct includes a first fresh air outlet. The air duct and the second fresh air outlet air duct are provided with a partition plate between the first fresh air outlet air duct and the first fresh air outlet air duct. With this structure, the outdoor air and/or outdoor air entering the fresh air device from the first fresh air inlet and the second fresh air inlet can be mixed in the air cavity, and the fresh air outlet air ducts are arranged as partitions separated by partitions. The first fresh air outlet duct and the second fresh air outlet duct facilitate more accurate control of the temperature difference between the outdoor air and/or the mixed air between the outdoor air and the conditioned air in the original circulation system of the air conditioner.

Optionally, the ion generator is arranged on the partition; the emitting end of the ion generator is located in the first fresh air outlet duct and/or the second fresh air outlet duct. In this structure, the ionizer is arranged on the partition, so that the negative ions generated by the emitting end of the ionizer can be released into the air flowing through the first fresh air outlet duct and/or the second fresh air outlet duct. The emitting end of the specific ionizer may be located in the first fresh air outlet duct or the second fresh air outlet duct alone, or in both the first fresh air outlet duct and the second fresh air outlet duct.

Optionally, the installation cavity is provided outside the first fresh air inlet and/or the second fresh air inlet. In this structure, the installation cavity is arranged on the outside of the first fresh air inlet and/or the second fresh air inlet, that is, the purification module is installed on the outside of the first fresh air inlet and/or the second fresh air inlet. Before the air and/or indoor air enters the first fresh air inlet and/or the second fresh air inlet, the outdoor air and/or indoor air are purified, which can effectively reduce the chance of the centrifugal fan being polluted by fine particles, etc. Effectively reduce the frequency of centrifugal fan cleaning or replacement.

Optionally, an installation opening is provided on the side wall of the installation cavity, and the purification module is slidably installed in the installation cavity after passing through the installation opening. In this kind of structure, by setting the installation opening on the side wall of the installation cavity, the purification module can be slidably installed in the installation cavity through the cooperation with the installation opening.

Optionally, a side wall of the installation cavity is provided with installation holes, and the installation opening and the installation holes are provided on two opposite side walls of the installation cavity; the purification module is provided corresponding to the installation holes. There is a clamping block; the mounting hole is matched with the clamping block to fix the purification module.

In this structure, installation holes are provided on the side walls of the installation cavity, and the installation openings and the installation holes are arranged on the two opposite side walls of the installation cavity. After the module is slidably installed in the installation cavity through the installation opening, the purification module is further fixed through the cooperation of the installation hole and the clamping block.

Optionally, a telescopic piece is provided in the installation cavity or on the purification module, the purification module or the installation cavity is provided with a groove portion corresponding to the telescopic piece, and the telescopic piece can be snapped into the concave. groove to fix the purification module. With this kind of structure, through the arrangement of the telescopic piece and the groove portion, when the purification module and the installation cavity are assembled, the telescopic piece can be clipped into the groove portion to realize the fixation of the purification module.

Optionally, when the telescopic element is disposed in the installation cavity, the telescopic element is disposed in an inner wall of the installation cavity that is different from the installation opening and the installation hole. In this structure, the telescopic element is arranged on the inner wall of the installation cavity different from the installation opening and the installation hole, for example, the telescopic element is arranged in the side wall of the installation cavity different from the installation opening and the installation hole, or is arranged on the bottom wall of the installation cavity, etc., Realize the further fixation of the purification module.

The utility model also provides an air conditioner, which includes the fresh air device described in any one of the above.

Description of drawings

1 is a schematic structural diagram of a fresh air device in Embodiment 1 of the present utility model applied to an air conditioner (the housing of the air conditioner is in an open state);

Fig. 2 is the enlarged view of A in Fig. 1;

3 is a schematic structural diagram of a fresh air device in Embodiment 1 of the present utility model before the centrifugal fan and the purification module are assembled;

4 is a schematic structural diagram of a centrifugal fan and a purification module assembled in a fresh air device in Embodiment 1 of the present utility model;

5 is a schematic structural diagram of the application of a fresh air device in an air conditioner in Embodiment 2 of the present utility model (the housing of the air conditioner is in an open state);

6 is a schematic exploded view of the application of a fresh air device in an air conditioner in Embodiment 2 of the present utility model;

7 is a schematic diagram of the assembled structure of a fresh air device in Embodiment 2 of the present utility model applied to an air conditioner;

8 is a schematic exploded view of the application of a fresh air device in an air conditioner in Embodiment 3 of the present utility model;

9 is a schematic structural diagram after assembly of a fresh air device in Embodiment 3 of the present utility model applied to an air conditioner;

10 is a schematic structural diagram of a centrifugal fan and a purification module assembled in a fresh air device according to Embodiment 3 of the present invention.

Description of reference numbers:

100-fresh air device; 110-centrifugal fan; 111-volute; 1111-partition; 112-fresh air inlet; 1121-first fresh air inlet; 1122-second fresh air inlet; 113-fresh air outlet; 1131- 1st fresh air outlet; 1132-second fresh air outlet; 114-fresh air duct; 1141-air cavity; 1142-fresh air outlet duct; 11421-first fresh air outlet duct; 11422-second fresh air outlet 115-installation cavity; 1151-installation opening; 1152-installation hole; 1153-retractable piece; 116-motor; 117-fan blade; 1171-first fan blade; 1172-second fan blade; 120-ion generation 121-transmitting end; 130-purification module; 131-block; 200-shell; 210-indoor fresh air outlet; 220-indoor side air inlet; 230-evaporator cavity; 240-fresh air inlet duct.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

Example 1

As shown in one of Figures 1-4, the present invention provides a fresh air device 100. When the fresh air device 100 is applied to an air conditioner, during the cooling or heating process of the air conditioner, even if the doors and windows are closed, the fresh air can pass through. The device 100 introduces outdoor air into the room, provides continuous, fresh and purified air for the enclosed indoor space, increases the oxygen content of the indoor air, and at the same time improves the purification degree of the indoor air, and avoids the introduction of the outdoor air due to the high concentration of particulate matter such as dust. more, and affect the user's health.

The specific structure of the fresh air device 100 provided by the present invention is that the fresh air device 100 is arranged at the lower part of the air conditioner, and the fresh air device 100 includes a centrifugal fan 110, an ion generator 120 and a purification module 130;

The centrifugal fan 110 includes a volute 111, a fresh air inlet 112, a fresh air outlet 113, a fresh air duct 114 and an installation cavity 115. The fresh air inlet 112 and the fresh air outlet 113 are both arranged on the volute 111, and the fresh air duct 114 is connected to the fresh air The air inlet 112 and the fresh air outlet 113, the installation cavity 115 is arranged on the outside of the fresh air inlet 112, and the installation cavity 115 is communicated with the fresh air inlet 112;

The ion generator 120 is arranged on the volute 111, and the emission end 121 of the ion generator 120 is located in the fresh air duct 114;

The purification module 130 is installed in the installation cavity 115, and the purification module 130 is located at the fresh air inlet 112.

In the fresh air device 100 provided by the present invention, the fresh air inlet 112 can be communicated with the outdoor air to introduce the outdoor air into the fresh air device 100, and the fresh air outlet 113 can be communicated with the indoor air to introduce the outdoor air purified by the fresh air device 100 into the room , and/or reintroduce the indoor air purified by the fresh air device 100 into the room.

The purification module 130 can purify the outdoor air and/or the indoor air, and the purification module 130 and the ionizer 120 work together to purify the outdoor air and/or the indoor air; When 112 enters the fresh air device 100, since the purification module 130 is installed in the installation cavity 115 outside the fresh air inlet 112, and the purification module 130 is located at the fresh air intake 112, the outdoor air will first pass through the purification module 130, and at this time the purification module 130 will purify the passing outdoor air; the outdoor air purified by the purification module 130 will then pass through the fresh air inlet 112 and the fresh air duct 114, since the ionizer 120 is arranged on the volute 111, and the The transmitting end 121 is located in the fresh air duct 114, so the transmitting end 121 of the ionizer 120 will generate negative ions, which will be released into the passing outdoor air, so that the particles in the outdoor air passing through the ionizer 120 will carry negative ions and become negative ions. particles; then the outdoor air with negative ion particles enters the room through the fresh air outlet 113, and becomes indoor air with negative ion particles;

Then, when the indoor air with negative ion particles located near the air conditioner enters the fresh air device 100 through the fresh air inlet 112, since the purification module 130 is positively charged, the negative ion particles in the indoor air will be adsorbed by the purification module 130; The indoor air purified by the purification module 130 will pass through the fresh air inlet 112 , the fresh air duct 114 and the fresh air outlet 113 in sequence to form a purification cycle.

In the above, the charge of the ion generator 120 and the purification module 130 may also be that the ion generator 120 is positively charged, and the purification module 130 is negatively charged, which can also achieve the effect of the present invention.

The fresh air device 100 of the present invention can introduce outdoor air into the room through the cooperation of the purification module 130 and the ionizer 120 and the cooperation with the centrifugal fan 110 in the fresh air device 100, and at the same time can improve the quality of the air introduced into the room. , especially in the case of serious pollution such as haze in the outdoor air, the fresh air device 100 of the present invention can purify the fine particles in the air, effectively ensuring the quality of the air entering the room.

The purification module 130 of the fresh air device 100 of the present invention may include IFD or HEPA.

When the purification module 130 is located at the fresh air inlet 112, it is preferable to cover the fresh air inlet 112, that is, the area of the purification module 130 is greater than or equal to the area of the fresh air inlet 112, so as to ensure that the outdoor air and/or the fresh air entering the fresh air device 100 from the fresh air inlet 112 is ensured. Or the indoor air flows through the purification module 130 first.

Among them, IFD (Intense Field Dielectric) refers to a strong electric field using a dielectric material as a carrier. The dielectric material forms a honeycomb hollow microchannel, and the dielectric wraps the electrode sheet to form a strong electric field in the channel, which exerts a huge attraction on the charged particles moving in the air, and can absorb almost 100% of the air while only generating the minimum airflow resistance. The moving particles are particularly effective in removing particulate pollutants such as PM2.5.

HEPA (High Efficiency Particle Air Filter) refers to a high-efficiency air filter. PP (Polypropylene fiber) fiber filter paper is used to filter dust, and the latest electret technology is used to make the fibers have several thousand volts of static electricity. Hundreds of layers of electrostatic fibers are interlaced, and the fibers are disordered and fluffy, which greatly reduces pressure loss and high static electricity. The performance ensures high efficiency, so HEPA can effectively remove dust particles with a diameter of ≥0.001μm in the air, and the removal efficiency of dust particles with a diameter of ≥0.3μm can reach more than 99.97%.

The centrifugal fan 110 of the present invention may be a single-suction centrifugal fan 110 or a double-suction centrifugal fan 110 . In this embodiment, the double-suction centrifugal fan 110 is mainly described in detail.

Specifically, the double suction centrifugal fan 110 includes a motor 116 and a fan blade 117, and the motor 116 and the fan blade 117 are both arranged inside the volute 111;

The fan blade 117 includes a first fan blade 1171 and a second fan blade 1172, and the first fan blade 1171 and the second fan blade 1172 are respectively disposed at both ends of the motor 116;

The fresh air inlet 112 includes a first fresh air inlet 1121 and a second fresh air inlet 1122, the first fresh air inlet 1121 and the second fresh air inlet 1122 are arranged oppositely, the first fresh air inlet 1121 is arranged corresponding to the first fan blade 1171, The two fresh air inlets 1122 are disposed corresponding to the second fan blades 1172 .

In this structure, by setting the fresh air inlet 112 of the double suction centrifugal fan 110 to include a first fresh air inlet 1121 and a second fresh air inlet 1122, the first fresh air inlet 1121 can be communicated with outdoor air, and the first fresh air inlet The tuyere 1121 and/or the second fresh air inlet 1122 can be communicated with the indoor air, and the first fresh air inlet 1121 and the second fresh air inlet 1122 are arranged to facilitate the control of the entry of outdoor air and/or indoor air into the fresh air device 100 .

The double suction centrifugal fan 110 may be installed in the housing 200 of the air conditioner horizontally or vertically. By installing the double suction centrifugal fan 110 in the casing 200 of the air conditioner horizontally or vertically, the inner space of the casing 200 of the air conditioner can be effectively utilized. In this embodiment, the double suction centrifugal fan 110 is installed horizontally in the housing 200 of the air conditioner. With this structure, when the double suction centrifugal fan 110 is installed horizontally in the housing 200 of the air conditioner, in addition to effectively utilizing the internal space of the housing 200 of the air conditioner, it can also facilitate the entry of indoor air into the fresh air device 100 .

The horizontal installation means that the axis of the fan blade 117 in the centrifugal fan 110 is in a vertical state; the vertical installation means that the axis of the fan blade 117 in the centrifugal fan 110 is in a horizontal state.

Specifically, the housing 200 of the air conditioner is provided with an outdoor fresh air inlet and an indoor fresh air outlet 210 corresponding to the fresh air device 100 respectively;

The first fresh air inlet 1121 communicates with the outdoor fresh air inlet; the second fresh air inlet 1122 communicates with the evaporator chamber 230 of the air conditioner; the fresh air outlet 113 communicates with the indoor fresh air outlet 210 .

In the above, the evaporator chamber 230 of the air conditioner is the setting of the original circulation system of the air conditioner, which is the chamber where the evaporator is arranged, and is located on the upper part of the fresh air device. When the air conditioner is in the heating mode, the surface temperature of the evaporator is relatively high, and the indoor air entering the evaporator cavity 230 through the original air inlet of the air conditioner will have a higher temperature than the air without passing through the evaporator after passing through the evaporator. indoor air.

In the present invention, the first fresh air inlet 1121 is communicated with the outdoor fresh air inlet, and the outdoor fresh air inlet can be further connected with the fresh air inlet pipe 240 to realize the communication with the outdoor air. The air outlet 1121 can introduce outdoor air into the fresh air device 100; the second fresh air air inlet 1122 is communicated with the evaporator cavity 230 of the air conditioner, and the second fresh air air inlet 1122 can be heated by the evaporator and the temperature is relatively high. The indoor air is introduced into the fresh air device 100, and when the heated indoor air is blown out from the fresh air outlet 113, since the temperature is relatively high, the comfort of the user will be effectively improved; the fresh air outlet 113 is communicated with the indoor fresh air outlet 210, The outdoor air can be introduced into the room through the fresh air outlet 113 and the indoor fresh air outlet 210, and/or the purified indoor air can be re-introduced into the room.

Specifically, in this embodiment, the outdoor air first flows to the purification module 130 through the outdoor fresh air inlet, and after being purified by the purification module 130, the purified outdoor air is introduced into the fresh air device 100 through the first fresh air inlet 1121, Introduced into the room through the fresh air duct 114, the fresh air outlet and the indoor fresh air outlet 210;

At the same time, the indoor air enters the evaporator cavity 230 from the original air inlet of the air conditioner, and after being heated by the evaporator, the heated indoor air is introduced into the fresh air device 100 through the second fresh air air inlet 1122, and is passed through the fresh air. The duct 114, the fresh air outlet and the indoor fresh air outlet 210 are introduced into the room again to realize circulation.

In this embodiment, the fresh air outlet 113 includes a first fresh air outlet 1131 and a second fresh air outlet 1132; the fresh air duct 114 includes an air cavity 1141 and a fresh air outlet duct 1142, and the fresh air outlet duct 1142 includes a first fresh air outlet 1142. The fresh air outlet duct 11421 and the second fresh air outlet duct 11422 are provided with a partition plate 1111 between the first fresh air outlet duct 11421 and the first fresh air outlet duct 11421 .

In this structure, the outdoor air and/or outdoor air entering the fresh air device 100 from the first fresh air inlet 1121 and the second fresh air inlet 1122 can be mixed in the air cavity 1141. By setting the fresh air outlet duct 1142 as The first fresh air outlet duct 11421 and the second fresh air outlet duct 11422 are separated by a partition 1111, which facilitates more precise control of the outdoor air and/or the mixing of the outdoor air and the conditioned air in the original circulation system of the air conditioner temperature difference.

In the present invention, the partition plate 1111 is a part of the volute 111 .

In this embodiment, the ionizer 120 is arranged on the partition plate 1111 ; the emission end 121 of the ionizer 120 is located in the first fresh air outlet duct 11421 and/or the second fresh air outlet duct 11422 .

In this structure, the ionizer 120 is arranged on the partition 1111, so that the negative ions generated by the emission end 121 of the ionizer 120 are released into the first fresh air outlet duct 11421 and/or the second fresh air outlet. Air in channel 11422. Specifically, the transmitting end 121 of the ionizer 120 may be located in the first fresh air outlet duct 11421 or the second fresh air outlet duct 11422 alone, or in the first fresh air outlet duct 11421 and the second fresh air outlet duct 11421 at the same time. Inside Road 11422;

When the emitting end 121 of the ionizer 120 is located solely in the first fresh air outlet duct 11421, the outdoor air purified by the purification module 130 enters the first fresh air outlet duct 11421 from the first fresh air inlet 1121, The negative ions generated by the emission end 121 of the ionizer 120 located in the first fresh air inlet 1121 will be released into the outdoor air flowing through, and combined with the particles in the outdoor air, the outdoor air will become an outdoor environment with negative ion particles. Air, then the outdoor air with negative ion particles enters the room through the first fresh air outlet 1131, and becomes indoor air with negative ion particles; then the indoor air with negative ion particles located near the air conditioner passes through the original air inlet of the air conditioner , after passing through the evaporator chamber 230, the second fresh air inlet 1122 enters the fresh air device 100. In this case, the purification module 130 can be installed at the original air inlet of the air conditioner, or the second fresh air inlet 1122. The purification module 130 realizes the purification of the indoor air through the adsorption of the indoor air with negative ion particles by the purification module 130, and then the purified indoor air passes through the second fresh air outlet duct 11422 and the second fresh air outlet 1132, Enter the room again to realize the cycle;

When the emitting end 121 of the ionizer 120 is located in the second fresh air outlet duct 11422 alone, the outdoor air purified by the purification module 130 enters the first fresh air duct 114 through the first fresh air inlet 1121, and then passes through the first fresh air inlet 1121. A fresh air outlet 1131 enters the room; the indoor air passes through the original air inlet of the air conditioner, and after passing through the evaporator cavity 230, enters the fresh air device 100 through the second fresh air inlet 1122, and passes through the second air outlet duct. When the emitting end 121 of the generator 120 is used, the negative ions generated by the emitting end 121 of the ionizer 120 will be released into the indoor air flowing through, combined with the particles in the indoor air, so that the indoor air becomes an indoor room with negative ion particles. The air then enters the room through the second fresh air outlet 1132; then the indoor air with negative ion particles located near the air conditioner passes through the evaporator cavity 230 from the original air inlet of the air conditioner, and then passes through the second fresh air inlet 1122. Entering the fresh air device 100, in this case, a purification module 130 can be set at the original air inlet of the air conditioner, or a purification module 130 can be set at the second fresh air intake 1122, and the indoor air with negative ion particles can be cleaned by the purification module 130. The adsorption of , realizes the purification of indoor air, and then the purified indoor air enters the room again after passing through the second fresh air outlet duct 11422 and the second fresh air outlet 1132 to realize circulation;

When the emitting end 121 of the ionizer 120 is located in the first fresh air outlet duct 11421 and the second fresh air outlet duct 11422 at the same time, the outdoor air purified by the purification module 130 enters the first fresh air inlet 1121 into the first fresh air inlet 1121. After a fresh air leaves the air duct 11421, the negative ions generated by the emitting end 121 of the ionizer 120 will be released into the outdoor air flowing through, and combined with the particles in the outdoor air, the outdoor air will become an outdoor environment with negative ion particles. Air, then the outdoor air with negative ion particles enters the room through the first fresh air outlet 1131, and becomes indoor air with negative ion particles; then the indoor air with negative ion particles located near the air conditioner passes through the original air inlet of the air conditioner , after passing through the evaporator chamber 230, the second fresh air inlet 1122 enters the fresh air device 100. In this case, the purification module 130 can be installed at the original air inlet of the air conditioner, or the second fresh air inlet 1122. The purification module 130 realizes the purification of the indoor air through the adsorption of the indoor air with negative ion particles by the purification module 130. After the purified indoor air enters the second fresh air outlet duct 11422, it is located in the second fresh air outlet. The negative ions generated by the emission end 121 of the ionizer 120 in the air duct 11422 will be released into the indoor air flowing through, and combined with the particles in the indoor air, the indoor air will become indoor air with negative ion particles again, and then The indoor air with negative ion particles enters the room again through the second fresh air outlet 1132 to realize circulation;

The settings of the purification module 130 are described in detail below:

In this embodiment, the installation cavity 115 is disposed outside the first fresh air inlet 1121 and/or the second fresh air inlet 1122 .

In this structure, the installation cavity 115 is arranged outside the first fresh air inlet 1121 and/or the second fresh air inlet 1122, that is, the purification module 130 is installed at the first fresh air inlet 1121 and/or the second fresh air inlet Outside 1122, before the outdoor air and/or indoor air enter the first fresh air inlet 1121 and/or the second fresh air inlet 1122, the outdoor air and/or the indoor air are purified, which can effectively reduce the interior of the centrifugal fan 110. The probability of being contaminated by fine particles and the like effectively reduces the frequency of cleaning or replacement of the centrifugal fan 110 .

In this embodiment, the specific assembly method of the purification module 130 and the installation cavity 115 is as follows: an installation opening 1151 is provided on the side wall of the installation cavity 115 , and the purification module 130 is slidably installed in the installation cavity 115 after passing through the installation opening 1151 .

In this structure, by setting the installation opening 1151 on the side wall of the installation cavity 115 , the purification module 130 can be slidably installed in the installation cavity 115 through the cooperation with the installation opening 1151 . The 130 enables quicker installation and easier operation.

In this embodiment, in order to further fix the purification module 130, a mounting hole 1152 is provided on the side wall of the mounting cavity 115, and the mounting opening 1151 and the mounting hole 1152 are provided on two opposite side walls of the mounting cavity 115; the purification module 130 A clamping block 131 is provided corresponding to the installation hole 1152 ; the installation hole 1152 cooperates with the clamping block 131 to fix the purification module 130 .

In this structure, the installation holes 1152 are provided on the side walls of the installation cavity 115 , and the installation openings 1151 and the installation holes 1152 are provided on the two opposite side walls of the installation cavity 115 . The clamping block 131 is provided. After the purification module 130 is slidably installed in the installation cavity 115 through the installation opening 1151 , the purification module 130 is fixed by the cooperation of the installation hole 1152 and the clamping block 131 .

In this embodiment, a retractable member 1153 is provided in the installation cavity 115 or on the purification module 130 , and the purification module 130 or the installation cavity 115 is provided with a groove portion corresponding to the retractable member 1153 , and the retractable member 1153 can be snapped into the groove portion to fix the purification module 130.

In this structure, through the arrangement of the expansion and contraction parts 1153 and the groove part, when the purification module 130 and the installation cavity 115 are assembled, the expansion and contraction parts 1153 can be clipped into the groove part to realize the fixation of the purification module 130 .

In this embodiment, when the telescopic element 1153 is disposed in the installation cavity 115 , the telescopic element 1153 is disposed in the inner wall of the installation cavity 115 that is different from the installation opening 1151 and the installation hole 1152 .

In this structure, the telescopic element 1153 is arranged on the inner wall of the installation cavity 115 that is different from the installation opening 1151 and the installation hole 1152. On the bottom wall of the installation cavity 115, etc., the purification module 130 is further fixed.

Example 2

As shown in one of FIGS. 5-7 , the housing 200 of the air conditioner is provided with an outdoor fresh air inlet, an indoor side air inlet 220 and an indoor fresh air outlet 210 corresponding to the fresh air device 100 respectively; the number of the indoor side air inlets 220 is 1 and/or 2, located on the side surface of the lower part of the housing 200 of the air conditioner;

When the double suction centrifugal fan 110 is installed horizontally in the housing 200 of the air conditioner; the first fresh air inlet 1121 is communicated with the outdoor fresh air inlet, and the first fresh air inlet 1121 is communicated with the indoor side air inlet 220; the second fresh air inlet The air outlet 1122 is communicated with the evaporator chamber 230 of the air conditioner; the fresh air outlet 113 is communicated with the indoor fresh air outlet 210 .

In the present invention, the first fresh air inlet 1121 is communicated with the outdoor fresh air inlet, and the outdoor fresh air inlet can be further connected with the fresh air inlet pipe 240 to realize the communication with the outdoor air. The air outlet 1121 can introduce outdoor air into the fresh air device 100; in addition, through the communication between the first fresh air air inlet 1121 and the indoor side air inlet 220, the indoor air can enter the first fresh air air inlet 1121 through the indoor side air inlet 220; the second The fresh air inlet 1122 is communicated with the evaporator chamber 230 of the air conditioner, and through the second fresh air inlet 1122, the indoor air heated by the evaporator with a relatively high temperature can be introduced into the fresh air device 100. When the air enters the room from the fresh air outlet 113 and the indoor fresh air outlet 210 again, due to the relatively high temperature, it will effectively improve the comfort of the user; the fresh air outlet 113 is connected with the indoor fresh air outlet 210, and passes through the fresh air outlet. 113 and the indoor fresh air outlet 210 can introduce outdoor air into the room, and reintroduce the purified indoor air into the room.

Specifically, in this embodiment, the outdoor air first flows to the purification module 130 through the outdoor fresh air inlet, and after being purified by the purification module 130, the purified outdoor air is introduced into the fresh air device 100 through the first fresh air inlet 1121, Introduced into the room through the fresh air duct 114, the fresh air outlet and the indoor fresh air outlet 210;

Then the indoor air enters the first fresh air inlet 1121 through the indoor side air inlet 220 , and after being purified by the purification module 130 , the purified indoor air is introduced into the fresh air device 100 by the first fresh air inlet 1121 , and passes through the fresh air duct 114 , fresh air outlet and indoor fresh air outlet 210 are re-introduced into the room;

When the indoor air enters the first fresh air inlet 1121 through the indoor side air inlet 220, the indoor air also enters the evaporator cavity 230 through the original air inlet of the air conditioner, and after being heated by the evaporator, The indoor air is introduced into the fresh air device 100 through the second fresh air inlet 1122, and is reintroduced into the room through the fresh air duct 114, the fresh air outlet and the indoor fresh air outlet 210, so as to realize the circulation.

Example 3

As shown in one of FIGS. 8-10 , the double-suction centrifugal fan 110 in this embodiment may be installed horizontally in the housing 200 of the air conditioner, or may be installed vertically in the housing 200 of the air conditioner. , the housing 200 of the air conditioner is provided with an outdoor fresh air inlet, an indoor side air inlet 220 and an indoor fresh air outlet 210 respectively corresponding to the fresh air device 100;

The first fresh air inlet 1121 and the second fresh air inlet 1122 are both connected with the outdoor fresh air inlet, and the first fresh air inlet 1121 and the second fresh air inlet 1122 are both connected with the indoor side air inlet 220; the fresh air outlet 113 is connected with the indoor side. The fresh air outlet 210 is connected.

In the utility model, the first fresh air inlet 1121 and the second fresh air inlet 1122 are both connected with the outdoor fresh air inlet, and the outdoor fresh air inlet can be further connected with the fresh air inlet pipe 240 to realize the communication with the outdoor air. The fresh air inlet and the first fresh air inlet 1121 and the second fresh air inlet 1122 can introduce outdoor air into the fresh air device 100; 220, the indoor air can enter the first fresh air inlet 1121 and the second fresh air inlet 1122 through the indoor side air inlet 220; The tuyere 210 may introduce outdoor air into the room, and reintroduce the purified indoor air into the room.

Specifically, in this embodiment, the outdoor air first flows to the purification module 130 through the outdoor fresh air inlet, and after being purified by the purification module 130, the purified outdoor air is cleaned by the first fresh air inlet 1121 and the second fresh air inlet 1122 Introduced into the fresh air device 100, and introduced into the room through the fresh air duct 114, the fresh air outlet and the indoor fresh air outlet 210;

Then the indoor air enters the first fresh air inlet 1121 and the second fresh air inlet 1122 through the indoor side air inlet 220. After being purified by the purification module 130, the purified air is removed by the first fresh air inlet 1121 and the second fresh air inlet 1122. The indoor air is introduced into the fresh air device 100, and is re-introduced into the room through the fresh air duct 114, the fresh air outlet, and the indoor fresh air outlet 210, so as to realize the circulation.

Example 4

The present invention also provides an air conditioner, which includes the fresh air device 100 according to any one of the above.

The air conditioner is provided with an outdoor fresh air inlet and an indoor fresh air outlet 210 corresponding to the fresh air device 100;

Alternatively, the air conditioner is provided with an outdoor fresh air inlet, an indoor side air inlet 220 and an indoor fresh air outlet 210 corresponding to the fresh air device 100 .

Other components in the air conditioner are all existing, and will not be repeated here.

Although the present invention is disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be based on the scope defined by the claims.

Claims (14)

1. a fresh air device, it is characterized in that: described fresh air device (100) is arranged in the lower part of air conditioner, and described fresh air device (100) comprises centrifugal fan (110), ion generator (120) and purification module (130) ); The centrifugal fan (110) includes a volute (111), a fresh air inlet (112), a fresh air outlet (113), a fresh air duct (114) and an installation cavity (115), the fresh air inlet (112) and The fresh air outlet (113) is all arranged on the volute (111), and the fresh air duct (114) communicates with the fresh air inlet (112) and the fresh air outlet (113). The cavity (115) is arranged on the outside of the fresh air inlet (112), and the installation cavity (115) is communicated with the fresh air inlet (112); The ion generator (120) is arranged on the volute (111), and the emission end (121) of the ion generator (120) is located in the fresh air duct (114); The purification module (130) is installed in the installation cavity (115), and the purification module (130) is located at the fresh air inlet (112). 2. The fresh air device according to claim 1, wherein the centrifugal fan (110) is a double suction centrifugal fan (110); The double suction centrifugal fan (110) includes a motor (116) and a fan blade (117), and the motor (116) and the fan blade (117) are both arranged inside the volute (111); The fan blade (117) includes a first fan blade (1171) and a second fan blade (1172), and the first fan blade (1171) and the second fan blade (1172) are respectively provided on the motor (1172). 116) both ends; The fresh air inlet (112) includes a first fresh air inlet (1121) and a second fresh air inlet (1122), and the first fresh air inlet (1121) and the second fresh air inlet (1122) are arranged opposite to each other , the first fresh air inlet (1121) is arranged corresponding to the first fan blade (1171), and the second fresh air inlet (1122) is arranged corresponding to the second fan blade (1172). 3 . The fresh air device according to claim 2 , wherein the double suction centrifugal fan ( 110 ) is installed horizontally or vertically in the housing ( 200 ) of the air conditioner. 4 . 4. The fresh air device according to claim 3, characterized in that: an outdoor fresh air inlet and an indoor fresh air outlet (210) are respectively provided on the housing (200) of the air conditioner corresponding to the fresh air device (100). ; When the double suction centrifugal fan (110) is horizontally installed in the housing (200) of the air conditioner; the first fresh air inlet (1121) is communicated with the outdoor fresh air inlet; the second fresh air The air inlet (1122) is communicated with the evaporator chamber (230) of the air conditioner; the fresh air outlet (113) is communicated with the indoor fresh air outlet (210). 5. The fresh air device according to claim 3, characterized in that: an outdoor fresh air inlet and an indoor side air inlet (220) are respectively provided on the housing (200) of the air conditioner corresponding to the fresh air device (100). and indoor fresh air outlet (210); When the double suction centrifugal fan (110) is horizontally installed in the housing (200) of the air conditioner; the first fresh air inlet (1121) is communicated with the outdoor fresh air inlet, and the first fresh air inlet (1121) is connected to the outdoor fresh air inlet. The fresh air inlet (1121) is communicated with the indoor side air inlet (220); the second fresh air inlet (1122) is communicated with the evaporator chamber (230) of the air conditioner; the fresh air outlet (113) It is communicated with the indoor fresh air outlet (210). 6. The fresh air device according to claim 2, characterized in that: an outdoor fresh air inlet and an indoor side air inlet (220) are respectively provided on the housing (200) of the air conditioner corresponding to the fresh air device (100). and indoor fresh air outlet (210); Both the first fresh air inlet (1121) and the second fresh air inlet (1122) are in communication with the outdoor fresh air inlet, and the first fresh air inlet (1121) and the second fresh air inlet (1122) are all communicated with the indoor side air inlet (220); the fresh air outlet (113) is communicated with the indoor fresh air outlet (210). 7. The fresh air device according to claim 2, wherein the fresh air outlet (113) comprises a first fresh air outlet (1131) and a second fresh air outlet (1132); the fresh air duct (114) ) includes an air cavity (1141) and a fresh air outlet duct (1142), the fresh air outlet duct (1142) includes a first fresh air outlet duct (11421) and a second fresh air outlet duct (11422), A partition plate (1111) is arranged between the first fresh air outlet air duct (11421) and the first fresh air outlet air duct (11421). 8. The fresh air device according to claim 7, characterized in that: the ion generator (120) is arranged on the partition plate (1111); the emission end (121) of the ion generator (120) is located at the Inside the first fresh air outlet air duct (11421) and/or the second fresh air outlet air duct (11422). 9 . The fresh air device according to claim 2 , wherein the installation cavity ( 115 ) is arranged outside the first fresh air inlet ( 1121 ) and/or the second fresh air inlet ( 1122 ). 10 . . The fresh air device according to claim 1, characterized in that: an installation opening (1151) is provided on the side wall of the installation cavity (115), and the purification module (130) passes through the installation opening (1151). ), it is slidably installed in the installation cavity (115). 11. The fresh air device according to claim 10, wherein a mounting hole (1152) is provided on the side wall of the mounting cavity (115), the mounting opening (1151) and the mounting hole (1152) are arranged on two opposite side walls of the installation cavity (115); the purification module (130) is provided with a clamping block (131) corresponding to the installation hole (1152); the installation hole (1152) is connected to the The clamping block (131) cooperates to fix the purification module (130). 12. The fresh air device according to claim 1 or 11, characterized in that: a telescopic piece (1153) is provided in the installation cavity (115) or on the purification module (130), and the purification module (130) Or the installation cavity (115) is provided with a groove portion corresponding to the telescopic element (1153), and the telescopic element (1153) can be snapped into the groove portion to fix the purification module (130). 13. The fresh air device according to claim 11, characterized in that: a telescopic piece (1153) is provided in the installation cavity (115) or on the purification module (130), and when the telescopic piece (1153) is set When inside the installation cavity (115), the telescopic element (1153) is disposed in the installation cavity (115) which is different from the inner wall of the installation opening (1151) and the installation hole (1152). 14. An air conditioner, characterized in that: the air conditioner comprises the fresh air device (100) according to any one of claims 1-13.

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