CN110762638A - Air conditioner indoor unit and air conditioner with humidifying function - Google Patents

Abstract

The present invention provides an air conditioner indoor unit and an air conditioner with a humidifying function. The air conditioner indoor unit includes: an internal air duct (100), a first air outlet (101), a second air outlet (102) and a counter-cyclone fan (3) One end of the inner air duct (100) is communicated with the first air outlet (101), and the other end is communicated with the second air outlet (102), and the counter-cyclone (3) is arranged in the inner air duct (100); and a humidification device (4) is also provided in the inner air duct (100), and the humidification device (4) can store moisture so as to carry out the air flowing through the inner air duct (100). Humidify. Through the present invention, the purpose of humidifying the room can be accomplished in both summer and winter. In summer, the shower-type upper air outlet is realized for cooling, and in winter, the carpet-type lower air outlet is realized. At the same time, the above functions are realized, so that the indoor human body comfort is improved. Great improvement.

Description

Air conditioner indoor unit and air conditioner with humidifying function

technical field

The invention belongs to the technical field of air conditioners, and in particular relates to an air conditioner indoor unit and an air conditioner with a humidifying function.

Background technique

In summer, when air conditioners are used for cooling, the power consumption of air conditioners in household appliances is relatively high. In addition, humidity control is very important for air conditioners. In the existing air conditioner industry, there are often only refrigeration and dehumidification functions, but no humidification function, even if there is a humidification function. , Generally, it is necessary to manually replenish the water required for humidification, which makes the structure complicated and the labor cost increases. In addition, it is impossible to simultaneously achieve the effect of upper air outlet for cooling in summer and lower air outlet for heating in winter, the indoor cooling and heating comfort is poor, and the functions of cooling and humidifying and heating and humidifying cannot be guaranteed, resulting in poor human comfort experience in indoor space.

Since the air conditioner in the prior art cannot guarantee the indoor humidification, it can also realize the upper air outlet for cooling in summer and the lower air outlet for heating in winter, resulting in technical problems such as poor indoor comfort. Functional air conditioner indoor unit and air conditioner.

SUMMARY OF THE INVENTION

Therefore, the technical problem to be solved by the present invention is to overcome the defect that the air conditioner in the prior art cannot ensure the indoor humidification and can also realize the upper air outlet for cooling in summer and the lower air outlet for heating in winter, resulting in poor indoor comfort. Provided are an air conditioner indoor unit and an air conditioner with a humidifying function.

The present invention provides an air conditioner indoor unit with a humidifying function, comprising:

An inner air duct, a first tuyere, a second tuyere and a counter-cyclone, one end of the inner air duct is communicated with the first tuyere, and the other end is communicated with the second tuyere, and the counter-cyclone is arranged on the A humidification device is also arranged in the inner air duct, and the humidification device can store moisture to humidify the air flowing through the inner air duct.

Preferably,

The first air outlet is located at the top of the inner air duct, and the second air outlet is located at the lower part of the inner air duct; during cooling, the first air outlet is an air outlet, and the second air outlet is an air inlet; When heating, the first air outlet is an air inlet, and the second air outlet is an air outlet.

Preferably,

The counter-cyclone fan includes a first axial flow fan and a second axial flow fan, the first axial flow fan and the second axial flow fan are arranged adjacent to each other in the axial direction, and the first axial flow fan and the second axial flow fan are arranged adjacently in the axial direction. The direction of rotation of the second axial flow fan is opposite; during cooling, the first axial flow fan rotates in the first direction, and the second axial flow fan rotates in the second direction, so that the airflow is blown from the second tuyere to the first tuyere; during heating, the first axial flow fan rotates in the second direction, and the second axial flow fan rotates in the first direction, so that the airflow is blown from the first tuyere to the A second tuyere, wherein the first direction is opposite to the second direction.

Preferably,

A heat exchange device is also arranged in the internal air duct, and the heat exchange device is arranged on the upstream side and/or the downstream side of the counter-cyclone fan along the airflow direction.

Preferably,

The heat exchange device includes a first heat exchanger and a second heat exchanger, wherein the first heat exchanger is arranged between the counter-cyclone and the first tuyere, and the second heat exchanger is arranged between the counter-cyclone fan and the second tuyere.

Preferably,

The first heat exchanger is a flat plate structure, and the axis of the flat plate is inclined with the axis of the counter-cyclone, and there is an inclination angle that is not 0; and/or the second heat exchanger is a flat plate structure, The axis of the flat plate is parallel or coincident with the axis of the counter-cyclone.

Preferably,

In the internal air duct, a water receiving device is also provided at a position below the heat exchange device, and the water receiving device can transport the received condensed water to the humidifying device.

Preferably,

It also includes a water storage device, the water storage device communicates with the water receiving device through a first pipeline, and communicates with the humidification device through a second pipeline, and the humidification device is made of an adsorbent material capable of absorbing water; And/or the humidification device is at least one of an ultrasonic humidification device, an electrothermal humidification device, and an electrode humidification device.

Preferably,

It also includes a water pump, the water pump is arranged on the second pipeline; and/or the water storage device is also communicated with the tap water injection port.

Preferably,

The position of the first tuyere is provided with a guide top cover, the lower surface of the guide top cover is a conical surface, the guide top cover can be raised to open the first tuyere, and can also be lowered to close the first air outlet.

The present invention also provides an air conditioner, which includes the air conditioner indoor unit with a humidifying function described in any preceding item.

An air conditioner indoor unit and an air conditioner with a humidifying function provided by the present invention have the following beneficial effects:

1. In the present invention, the structure of the counter-cyclone and the arrangement of the first tuyere and the second tuyere are arranged in the internal air duct of the air-conditioning indoor unit, and the counter-cyclone can be used to achieve upward air discharge from the upper tuyere during cooling in summer. When cooling in winter, the cyclone is used to discharge air from the lower tuyere, and the air is humidified by the humidification device in the internal air duct, so that the purpose of humidifying the room can be accomplished in both summer and winter, and In summer, the shower-style upper air outlet is realized for cooling, and the carpet-style downward air outlet is realized for heating in winter. At the same time, the above functions are realized, which greatly improves the comfort of the indoor human body.

2. The present invention can realize that in the cooling season, only the fan can be turned on and used as a cooling fan to save energy; through the adjustment of system parameters, condensed water can be generated under heating conditions, and can be used for indoor heating during the heating season. Air humidification. At the same time, a water receiving device is installed in the indoor unit to collect the condensed water of the heat exchanger, which can reduce external water supply and save costs.

Description of drawings

1 is a schematic diagram of an air conditioner indoor unit with a humidifying function of the present invention in a cooling mode;

FIG. 2 is a schematic diagram of an indoor air conditioner with a humidifying function of the present invention in a heating mode.

The reference numbers in the figure are indicated as:

100, internal air duct; 101, first air outlet; 102, second air outlet; 1, guide top cover; 2, heat exchange device; 2a, first heat exchanger; 2b, second heat exchanger; 3, pair Cyclone; 3a, first axial flow fan; 3b, second axial flow fan; 4, humidification device; 5, water receiving device; 6, tap water inlet; 7, water pump; 8, water storage device.

Detailed ways

As shown in Figures 1-2, the present invention provides an air conditioner indoor unit with a humidifying function, which includes:

The internal air duct 100, the first tuyere 101, the second tuyere 102 and the counter-cyclone fan 3. One end of the internal air duct 100 is communicated with the first tuyere 101, and the other end is communicated with the second tuyere 102. The counter-cyclone fan 3 is arranged in the inner air duct 100; and a humidifying device 4 is also arranged in the inner air duct 100, and the humidifying device 4 can store moisture to counteract the air flowing through the inner air duct 100. Humidify.

In the present invention, through the structure of arranging the counter cyclone in the internal air duct of the air conditioner indoor unit and the arrangement of the first air outlet and the second air outlet, the counter cyclone can realize upward air discharge from the upper air outlet during cooling in summer, and in winter During cooling, the cyclone is used to discharge the air from the lower tuyere, and the air is humidified through the humidification device in the internal air duct, so that the purpose of humidifying the room can be accomplished in summer or winter, and cooling in summer The shower-type upper air outlet is realized, and the carpet-type lower air outlet is realized for heating in winter. At the same time, the above functions are realized, which greatly improves the comfort of the indoor human body. The invention can realize that in the cooling season, only the fan can be turned on, and it can be used as a cooling fan to play an energy-saving role; through the adjustment of system parameters, condensed water can be generated under heating conditions, and indoor air can be humidified in the heating season. . At the same time, a water receiving device is installed in the indoor unit to collect the condensed water of the heat exchanger, which can reduce external water supply and save costs.

The air conditioner of the present invention has multiple working modes: 1. After the cooling mode is turned on, the indoor air enters from the lower part under the action of the fan, and after passing through the heat exchanger, the air is discharged from the upper air outlet to realize the cooling waterfall air supply. ②Only turn on the fan system, turn off the air conditioner compressor, the indoor air enters from the lower part, and after passing through the moisture absorption device, it is sent out from the upper part, which can cool and humidify the indoor air, play the role of a cooling fan, and achieve the effect of energy saving. ③ When the air conditioner is in the heating mode, the fan is reversed, and the indoor air enters from the upper part under the action of the fan. After the heat exchange through the heat exchanger, the humidification is completed by the water absorption device (wet film), and then the air is discharged from the air outlet on the lower side. , to achieve carpet air supply when the air conditioner is heating, and it can also ensure the relative humidity of the air and improve the comfort of the environment.

Preferably,

The first air outlet 101 is located at the top of the inner air duct 100, and the second air outlet 102 is located at the lower part of the inner air duct 100; during cooling, the first air outlet 101 is an air outlet, and the second air outlet 102 is an air outlet. The tuyere 102 is an air inlet; when heating, the first tuyere 101 is an air inlet, and the second tuyere 102 is an air outlet. This is the preferred structural form of the first and second tuyere of the present invention. The first tuyere is arranged at the top of the inner air duct, and air can be discharged through the first tuyere during cooling, thereby forming a refrigerating shower-type air supply and improving the indoor cooling supply. air area to improve cooling comfort; through the second air outlet located in the lower part, air is discharged during heating, which can form heating carpet air supply, increase the indoor heating air supply area, and improve heating comfort.

Preferably,

The counter-cyclone fan 3 includes a first axial flow fan 3a and a second axial flow fan 3b, the first axial flow fan 3a and the second axial flow fan 3b are arranged adjacent to each other in the axial direction, and the first axial flow fan 3a and the second axial flow fan 3b The rotational directions of the axial flow fan 3a and the second axial flow fan 3b are opposite; during cooling, the first axial flow fan 3a rotates in the first direction, the second axial flow fan 3b rotates in the second direction, Make the air flow from the second tuyere 102 to the first tuyere 101; during heating, the first axial fan 3a rotates in the second direction, and the second axial fan 3b rotates in the first direction , so that the airflow blows from the first tuyere 101 to the second tuyere 102 , wherein the first direction is opposite to the second direction. This is the preferred structural form of the counter-cyclone fan of the present invention. The two fans with different rotation directions can be arranged in opposite directions, and the rotation directions are opposite to achieve the effect of air output in the same direction, improve the air output capacity, and make the air output during cooling. The wind blows upward, and when heating, the wind blows downward.

①After the cooling mode is turned on, under the action of the fan, the indoor air enters from the lower part, and after passing through the heat exchanger, the air is discharged from the upper air outlet to realize the cooling waterfall air supply. ②Only turn on the fan system, turn off the air conditioner compressor, the indoor air enters from the lower part, and after passing through the moisture absorption device, it is sent out from the upper part, which can cool and humidify the indoor air, play the role of a cooling fan, and achieve the effect of energy saving. ③ When the air conditioner is in the heating mode, the fan is reversed, and the indoor air enters from the upper part under the action of the fan. After the heat exchange through the heat exchanger, the humidification is completed by the water absorption device (wet film), and then the air is discharged from the air outlet on the lower side. , to achieve carpet air supply when the air conditioner is heating, and it can also ensure the relative humidity of the air and improve the comfort of the environment.

Preferably,

The inner air duct 100 is further provided with a heat exchange device, and the heat exchange device is arranged on the upstream side and/or the downstream side of the counter-cyclone fan 3 along the airflow direction. Through the arrangement of the heat exchange device, the refrigerant flowing therethrough can be heated or cooled to achieve the effect of heat exchange.

Preferably,

The heat exchange device includes a first heat exchanger 2a and a second heat exchanger 2b, wherein the first heat exchanger 2a is disposed between the counter-cyclone fan 3 and the first tuyere 101, and the first heat exchanger 2a The second heat exchanger 2b is disposed between the counter-cyclone fan 3 and the second tuyere 102 . This is the preferred structural form of the heat exchange device of the present invention. Through the structure of the two heat exchangers and the structure arranged separately, the airflow can be heat-exchanged at least once before passing through the counter-cyclone, and after passing through the counter-cyclone. The heat exchange is carried out again, thereby effectively improving the heat exchange efficiency.

Preferably,

The first heat exchanger 2a is a flat plate structure, and the axis of the flat plate is inclined with the axis of the counter-cyclone 3, and there is an inclination angle that is not 0; and/or the second heat exchanger 2b is a In the flat plate structure, the axis of the flat plate and the axis of the counter-cyclone 3 are arranged in parallel or coincident with each other. This is the preferred arrangement form of the two heat exchangers of the present invention, one of which is arranged obliquely with the counter-cyclone and the other is arranged in parallel, which can achieve different heat exchange effects.

Preferably,

In the internal air duct 100, a water receiving device 5 is also provided at a position below the heat exchange device, and the water receiving device 5 can transport the collected condensed water to the humidifying device 4. The humidifying device 4 is made of an adsorbent material capable of absorbing water. Through the water receiving device, the condensed water generated by the heat exchanger can be received and transported to the humidification device, so as to realize the effective utilization of the condensed water and effectively use it to humidify the air.

Preferably,

A water storage device 8 is also included, and the water storage device 8 communicates with the water receiving device 5 through a first pipeline, and communicates with the humidification device 4 through a second pipeline. The collected condensed water can be stored by the water storage device, so that it can be transported to the humidification device for humidification when needed; and/or the humidification device 4 is an ultrasonic humidification device, an electric heating humidification device, and an electrode humidification device at least one of them.

Preferably,

A water pump 7 is also included, and the water pump 7 is arranged on the second pipeline; and/or the water storage device 8 is also communicated with the tap water injection port 6 . The configuration of the water pump can provide power for the conveying of condensed water, and the water storage device is also connected to the tap water injection port, which can be replenished by external water when the condensed water is insufficient, ensuring that the humidification can continue.

The air conditioner of the present invention is provided with a water collecting device under the heat exchanger of the internal unit, which is used to collect the condensed water of the heat exchanger. At the same time, the indoor unit is provided with a water storage device, the inlet of the water storage device is connected with the outlet of the water receiving device through a pipeline, and at the same time, the water storage device is also provided with an automatic water filling port which communicates with the outside world. A humidification device is arranged at the lower part of the indoor unit heat exchanger and the upper part of the water receiving device, and the humidification device has certain water absorption characteristics. The inlet of the humidification device is connected with the outlet of the water storage device through a water pump.

Preferably,

The position of the first air outlet 101 is provided with a guide top cover 1, the lower surface of the guide top cover 1 is a conical surface, and the guide top cover 1 can be lifted to open the first air outlet 101, It can also be lowered to close the first tuyere 101 . The upper air outlet can be opened and closed through the diversion cover, and the conical surface can play the role of diversion, so that the airflow can be dispersed around the air, so as to increase the air outlet area and improve the indoor comfort. .

The present invention also provides an air conditioner, which includes the air conditioner indoor unit with a humidifying function described in any preceding item. In the present invention, through the structure of arranging the counter cyclone in the internal air duct of the air conditioner indoor unit and the arrangement of the first air outlet and the second air outlet, the counter cyclone can realize upward air discharge from the upper air outlet during cooling in summer, and in winter During cooling, the cyclone is used to discharge the air from the lower tuyere, and the air is humidified through the humidification device in the internal air duct, so that the purpose of humidifying the room can be accomplished in summer or winter, and cooling in summer The shower-type upper air outlet is realized, and the carpet-type lower air outlet is realized for heating in winter. At the same time, the above functions are realized, which greatly improves the comfort of the indoor human body.

The invention can realize that in the cooling season, only the fan can be turned on, and it can be used as a cooling fan to play an energy-saving role; through the adjustment of system parameters, condensed water can be generated under heating conditions, and indoor air can be humidified in the heating season. . At the same time, a water receiving device is installed in the indoor unit to collect the condensed water of the heat exchanger, which can reduce external water supply and save costs.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range. The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can also be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (11)

1. an air conditioner indoor unit with humidifying function, it is characterized in that: comprise: An internal air duct (100), a first tuyere (101), a second tuyere (102) and a counter-cyclone (3), one end of the internal air duct (100) is communicated with the first tuyere (101), and the other One end is communicated with the second air outlet (102), and the counter-cyclone (3) is arranged in the inner air duct (100); and a humidifying device (4) is also arranged in the inner air duct (100). ), the humidifying device (4) can store moisture to humidify the air flowing through the internal air duct (100). 2. The air conditioner indoor unit with humidifying function according to claim 1, characterized in that: The first tuyere (101) is located at the top of the inner air duct (100), and the second tuyere (102) is located at the lower part of the inner air duct (100); during cooling, the first tuyere (102) 101) is an air outlet, and the second air outlet (102) is an air inlet; when heating, the first air outlet (101) is an air inlet, and the second air outlet (102) is an air outlet. 3. The air conditioner indoor unit with humidifying function according to claim 2, wherein: The counter-cyclone fan (3) includes a first axial flow fan (3a) and a second axial flow fan (3b), and the first axial flow fan (3a) and the second axial flow fan (3b) are along an axis The first axial flow fan (3a) and the second axial flow fan (3b) are arranged in opposite directions; during cooling, the first axial flow fan (3a) faces the first direction Rotation, the second axial flow fan (3b) rotates in the second direction, so that the air flow is blown from the second tuyere (102) to the first tuyere (101); during heating, the first shaft The flow fan (3a) rotates in the second direction, and the second axial flow fan (3b) rotates in the first direction, so that the air flow is blown from the first tuyere (101) to the second tuyere (102), wherein The first direction is opposite to the second direction. 4. The air conditioner indoor unit with humidifying function according to any one of claims 1-3, characterized in that: The internal air duct (100) is further provided with a heat exchange device, and the heat exchange device is provided on the upstream side and/or the downstream side of the counter-cyclone (3) along the airflow direction. 5. The air conditioner indoor unit with humidifying function according to claim 4, wherein: The heat exchange device comprises a first heat exchanger (2a) and a second heat exchanger (2b), wherein the first heat exchanger (2a) is arranged between the counter-cyclone (3) and the first heat exchanger (2b). Between the tuyere (101), the second heat exchanger (2b) is arranged between the counter-cyclone (3) and the second tuyere (102). 6. The air conditioner indoor unit with humidifying function according to claim 5, wherein: The first heat exchanger (2a) is a flat plate structure, and the axis of the flat plate and the axis of the counter-cyclone (3) are arranged obliquely, and there is an inclination angle that is not 0; and/or the second heat exchanger The heater (2b) is a flat plate structure, and the axis of the flat plate and the axis of the counter-cyclone (3) are arranged in parallel or coincident with each other. 7. The air conditioner indoor unit with humidifying function according to any one of claims 4-6, characterized in that: In the internal air duct (100), a water receiving device (5) is further provided at a position below the heat exchange device, and the water receiving device (5) can transport the received condensed water to the humidification device In the device (4), the humidifying device (4) is made of an adsorbent material capable of absorbing water. 8. The air conditioner indoor unit with humidifying function according to claim 7, wherein: Further comprising a water storage device (8), the water storage device (8) communicates with the water receiving device (5) through a first pipeline, and communicates with the humidification device (4) through a second pipeline; and/ Or the humidification device (4) is at least one of an ultrasonic humidification device, an electrothermal humidification device, and an electrode humidification device. 9. The air conditioner indoor unit with humidifying function according to claim 8, wherein: A water pump (7) is also included, and the water pump (7) is arranged on the second pipeline; and/or the water storage device (8) is also communicated with the tap water injection port (6). 10. The air conditioner indoor unit with humidifying function according to claim 2, characterized in that: The position of the first air outlet (101) is provided with a guide top cover (1), the lower surface of the guide top cover (1) is a conical surface, and the guide top cover (1) can be lifted to The first tuyere (101) is opened and can also be lowered to close the first tuyere (101). 11. An air conditioner, characterized by comprising the air conditioner indoor unit with a humidifying function according to any one of claims 1-10.

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