CN112097321A - Air conditioner indoor unit and air conditioner - Google Patents

Abstract

The application provides an air conditioner internal unit, air conditioner, including fresh air portion, exhaust portion and heat transfer portion, heat transfer portion includes first passageway and second passageway, fresh air portion with first passageway intercommunication, fresh air portion is used for introducing outdoor air indoor through first passageway, exhaust portion with second passageway intercommunication, exhaust portion is used for passing through indoor air the second passageway is arranged to outdoor, works as fresh air portion with when exhaust portion opens simultaneously, flows through the air of first passageway can carry out the heat exchange with the air of second passageway. The application provides an air conditioner internal unit, air conditioner can utilize the heat in airing exhaust, and the energy loss that causes when reducing the ventilation, and then has reduced use cost.

Description

Air conditioner, air conditioner

technical field

The application belongs to the technical field of air conditioning, and in particular relates to an air conditioner internal unit and an air conditioner.

Background technique

With the improvement of living standards, people have higher and higher requirements for indoor air quality. As a temperature regulator in a confined space environment, air conditioners with fresh air function are becoming more and more popular, which is a major development trend of air conditioners in the future. Existing fresh air air conditioners simply combine ventilation equipment with air conditioners. When the indoor and outdoor temperature difference is large, fresh air and exhaust air are turned on, which cannot utilize indoor energy, resulting in large indoor energy loss and increased use costs.

SUMMARY OF THE INVENTION

Therefore, the technical problem to be solved by the present application is to provide an air conditioner internal unit and an air conditioner, which can utilize the heat in the exhaust air, reduce the energy loss caused by ventilation, and thus reduce the use cost.

In order to solve the above problems, the present application provides an indoor unit of an air conditioner, which includes a fresh air part, an air exhaust part and a heat exchange part, the heat exchange part includes a first channel and a second channel, and the fresh air part is connected to the first channel. The fresh air part is used for introducing outdoor air into the room through the first channel; the air exhaust part is communicated with the second channel, and the air exhaust part is used for discharging the indoor air through the second channel Outdoors, when the fresh air part and the air exhaust part are opened at the same time, the air flowing through the first channel can exchange heat with the air flowing through the second channel.

Optionally, the heat exchange part includes a heat exchange element, the first channel and the second channel are arranged in the heat exchange element, and the heat exchange element includes a first end and a second end;

The first channel includes a first inlet and a first outlet, outdoor air enters the first channel through the first inlet, and is discharged out of the first channel through the first outlet, and the first inlet is provided on the first end, the first outlet is provided on the second end;

The second channel includes a second inlet and a second outlet, indoor air enters the second channel through the second inlet, and is discharged out of the second channel through the second outlet, and the second inlet is provided On the first end, the first outlet is provided on the second end.

Optionally, the heat exchange element is elongated, the central axis of the first outlet and the central axis of the second inlet extend along the extension direction of the heat exchange element, and the central axis of the second outlet and the central axis of the first inlet is perpendicular to the extending direction of the heat exchange element.

Optionally, the first channel includes a middle section, the second channel includes a middle section, and the middle section of the first channel and the middle section of the second channel are arranged in parallel.

Optionally, the air conditioner inner unit further includes a casing, the fresh air part is disposed on the first end of the casing, and the air exhaust part is disposed on the second end of the casing.

Optionally, the fresh air part includes a fresh air passage, the fresh air passage includes a fresh air inlet, a first air outlet and a second air outlet, and air enters the fresh air passage from the fresh air inlet and exits the fresh air passage. The first air outlet and the second air outlet are discharged, and the fresh air inlet is connected with the first outlet.

Optionally, the air outlet direction of the first air outlet is opposite to the air outlet direction of the second air outlet.

Optionally, the fresh air part further includes a fresh air casing, the fresh air passage is located in the fresh air casing, and a first centrifugal fan and a filter element are arranged in the fresh air casing, and the first centrifugal fan can drive the air to flow in the air. Flow in the fresh air passage, and the filter element is arranged on the fresh air passage between the first centrifugal fan and the fresh air inlet.

Optionally, the exhaust part includes an exhaust channel, the exhaust channel includes an exhaust air inlet and an air outlet, air enters the exhaust channel from the exhaust air inlet, and exits from the exhaust channel. The air outlet is discharged, and the air outlet is connected with the second inlet.

Optionally, the exhaust part further includes an exhaust housing, the exhaust channel is located in the exhaust housing, and a second centrifugal fan is arranged in the exhaust housing, and the second centrifugal fan can drive the exhaust air. Air flows within the exhaust passage.

Optionally, the air conditioner inner unit includes a casing, the exhaust casing includes a volute, the second centrifugal fan is located in the volute, and the volute and the casing are integrally formed.

Optionally, the air conditioner internal unit further includes a cross-flow fan blade and a motor, the motor includes a first motor shaft and a second motor shaft, the first motor shaft is connected to the cross-flow fan blade, and the second motor shaft is connected. The motor shaft is connected with the second centrifugal fan.

Optionally, the indoor unit of the air conditioner further includes a fresh air duct and an exhaust air duct, the first inlet and the fresh air duct are connected by threads, and the fresh air duct is used to connect the first inlet to the outdoor. The environment is communicated, and the second outlet is connected with the exhaust air pipe through threads, and the exhaust air pipe is used for connecting the second outlet with the outdoor environment.

Another aspect of the present invention provides an air conditioner, including the above-mentioned indoor unit of the air conditioner.

beneficial effect

The air conditioner indoor unit and the air conditioner provided in the embodiments of the present invention can utilize the heat in the exhaust air, reduce the energy loss caused by ventilation, and further reduce the use cost.

Description of drawings

1 is a schematic structural diagram of an air conditioner internal unit according to an embodiment of the application;

FIG. 2 is an exploded view of the internal unit of the air conditioner according to the embodiment of the application;

3 is a partial structural schematic diagram of an air conditioner internal unit according to an embodiment of the application;

4 is a schematic structural diagram of a fresh air part, an air exhaust part and a heat exchange part according to an embodiment of the application;

5 is a cross-sectional view of an air conditioner internal unit according to an embodiment of the application;

6 is a schematic structural diagram of a heat exchange element according to an embodiment of the application;

Fig. 7 is the structural schematic diagram of the fresh air part of the embodiment of the application;

8 is an exploded view of the fresh air section of the embodiment of the application;

9 is a schematic structural diagram of a casing according to an embodiment of the application;

FIG. 10 is a schematic structural diagram of a motor according to an embodiment of the present application.

Reference numerals are indicated as:

1. Fresh air section; 11. Fresh air inlet; 12. First air outlet; 13. Second air outlet; 14. First centrifugal fan; 15. Filter element;

2. Exhaust section; 21. Exhaust air inlet; 22. Air exhaust port; 23. Second centrifugal fan;

3. Heat exchange element; 31, first channel; 311, first inlet; 312, first outlet; 32, second channel; 321, second inlet; 322, second outlet;

41, housing; 411, air outlet of air conditioner; 42, volute; 43, cross-flow fan blade; 44, motor; 441, first motor shaft; 442, second motor shaft.

Detailed ways

1 to 10 , according to an embodiment of the present application, an indoor unit of an air conditioner includes a fresh air part 1 , an air exhaust part 2 and a heat exchange part, and the heat exchange part includes a first channel 31 and a second channel 32 , the fresh air part 1 is communicated with the first passage 31, the fresh air part 1 is used to introduce outdoor air into the room through the first passage 31, the exhaust part 2 is communicated with the second passage 32, and the exhaust part 2 is used to pass the indoor air through the second passage 32. The channel 32 is exhausted to the outside, and when the fresh air part 1 and the exhaust part 2 are opened at the same time, the air flowing through the first channel 31 can exchange heat with the air flowing through the second channel 32 . By setting up the heat exchange part and making the fresh air and the exhaust air exchange heat in the heat exchange part, the heat of the exhaust air can be transferred to the fresh air, so that the fresh air can be more easily heated, and the energy loss caused by ventilation can be reduced, thereby reducing the use of cost.

Further, in this embodiment, the fresh air intake and exhaust are integrated into the air conditioner, so that the integrity of the fresh air air conditioner is stronger and more space-saving, and at the same time, the installation is simpler.

The heat exchange part includes a heat exchange element 3, the first channel 31 and the second channel 32 are arranged in the heat exchange element 3, and the heat exchange element 3 includes a first end and a second end;

The first channel 31 includes a first inlet 311 and a first outlet 312. The outdoor air enters the first channel 31 through the first inlet 311, and is discharged out of the first channel 31 through the first outlet 312. The first inlet 311 is arranged on the first On one end, the first outlet 312 is provided on the second end;

The second passage 32 includes a second inlet 321 and a second outlet 322. The indoor air enters the second passage 32 through the second inlet 321, and is discharged out of the second passage 32 through the second outlet 322. The second inlet 321 is arranged in the second passage 321. On one end, the first outlet 312 is provided on the second end. By arranging the first inlet 311 and the second inlet 321 on the first end, and arranging the first outlet 312 and the second outlet 322 on the second end, a good heat exchange effect is ensured.

Further, as shown in FIG. 6 , the left end of the heat exchange element 3 is the first end, and the right end of the heat exchange element 3 is the second end.

Further, the heat exchange member 3 is made of aluminum material or other materials with high heat transfer efficiency.

The heat exchange element 3 is elongated, the central axis of the first outlet 312 and the central axis of the second inlet 321 extend along the extension direction of the heat exchange element 3, and the central axis of the second outlet 322 is perpendicular to the central axis of the first inlet 311 It is arranged in the extending direction of the heat exchange element 3 . The heat exchange element 3 is arranged in a long strip shape, which increases the length of the heat exchange path and ensures the heat exchange quality. By setting the directions of the first outlet 312 , the second inlet 321 , the second outlet 322 and the first inlet 311 , the installation of the heat exchange element 3 is facilitated.

Further, as shown in FIG. 6 , the opening of the second inlet 321 faces to the left, the opening of the first outlet 312 faces to the right, and the openings of the first inlet 311 and the second outlet 322 face the same direction, and both face upward.

Further, the cross section of the outer wall of the heat exchange member 3 is rectangular.

Further, the heat exchanger has a hollow structure, and the hollow structure is provided with a partition along the extending direction, and the hollow part is divided into a first channel 31 and a second channel 32 .

The first channel 31 includes a middle section, the second channel 32 includes a middle section, and the middle section of the first channel 31 and the middle section of the second channel 32 are arranged in parallel, which can better ensure heat exchange between exhaust air and fresh air.

Further, the first channel 31 and the second channel 32 are both L-shaped, and the part of the first channel 31 and the second channel 32 between the first inlet 311 and the second outlet 322 is the middle section.

The air conditioner inner unit further includes a casing 41, the fresh air part 1 is arranged on the first end of the casing 41, and the exhaust part 2 is arranged on the second end of the casing 41, so as to realize the circulating flow of indoor air.

Further, as shown in FIG. 2 , the first end of the casing 41 is the left end of the casing 41 , and the second end of the casing 41 is the right end of the casing 41 .

Further, the heat exchange element 3 is fixed on the bottom shell part of the casing 41 by means of snaps or screws.

Further, an air conditioner air outlet 411 is provided on the housing, and the air conditioner air outlet 411 is used for the air outlet of the cross-flow fan blades of the air conditioner.

The fresh air part 1 includes a fresh air passage, and the fresh air passage includes a fresh air inlet 11, a first air outlet 12 and a second air outlet 13. Air enters the fresh air passage from the fresh air inlet 11, and flows from the first air outlet 12 and the second outlet. The air outlet 13 is discharged, and the fresh air inlet 11 is connected with the first outlet 312. By setting two air outlets, namely the first air outlet 12 and the second air outlet 13, the air volume is increased by 30%, and the circulation efficiency is improved.

The air outlet direction of the first air outlet 12 is opposite to the air outlet direction of the second air outlet 13 .

Further, the air outlet direction of the first air outlet 12 is upward, and the air outlet direction of the second air outlet 13 is downward.

Further, the first air outlet 12 is located directly above the second air outlet 13 .

Further, the shape and size of the first air outlet 12 and the second air outlet 13 are the same.

Further, the first air outlet 12 and the second air outlet 13 are arranged in a straight line, and the fresh air inlet 11 is perpendicular to the straight line formed by the first air outlet 12 and the second air outlet 13 .

Further, two through holes are provided on the housing 41 of the internal air conditioner in one-to-one correspondence with the first air outlet 12 and the second air outlet 13, and the air from the first air outlet 12 and the second air outlet 13 passes through. The through hole of the casing 41 reaches the room.

The fresh air part 1 also includes a fresh air casing, the fresh air passage is located in the fresh air casing, and the fresh air casing is provided with a first centrifugal fan 14 and a filter element 15, the first centrifugal fan 14 can drive the air to flow in the fresh air passage, and the filter element 15 is arranged in the On the fresh air passage between the first centrifugal fan 14 and the fresh air inlet 11 , the filter element 15 can be arranged to filter the fresh air.

Further, the filter element 15 is laterally arranged in the fresh air passage, and the fresh air is all filtered through the filter element 15 .

Further, the fresh air casing is roughly T-shaped.

Further, the fresh air unit 1 further includes a fresh air motor, which is used to drive the first centrifugal fan 14 to rotate, so as to inhale the fresh air from the outdoors into the first passage 31 and flow through the fresh air passage into the room.

Further, after the fresh air part 1 is assembled, it is fixed to the bottom shell of the inner casing 41 of the air conditioner by screws or snaps.

Further, the filter element 15 is a HEPA high-efficiency filter.

The exhaust part 2 includes an exhaust passage, and the exhaust passage includes an exhaust air inlet 21 and an air outlet 22. The air enters the exhaust passage from the exhaust air inlet 21 and is discharged from the air outlet 22. The air outlet 22 It is connected with the second inlet 321 to ensure that the indoor air can be discharged to the outside, so as to realize exhaust air.

Further, the number of exhaust air inlets 21 is two, wherein one exhaust air inlet 21 faces upward, and the other exhaust air inlet 21 faces downward.

Further, the two exhaust air inlets 21 are symmetrically arranged, so that the air intake volume of the two exhaust parts of the same housing 41 is larger, and the appearance is consistent with the first air outlet 12 and the second air outlet 13 and looks more harmonious.

The air exhaust part 2 also includes an air exhaust housing, the air exhaust passage is located in the air exhaust housing, and a second centrifugal fan 23 is arranged in the air exhaust housing, and the second centrifugal fan 23 can drive air to flow in the air exhaust passage.

The inner unit of the air conditioner includes a casing 41 , the exhaust casing includes a volute 42 , the second centrifugal fan 23 is located in the volute 42 , and the volute 42 and the casing 41 are integrally structured, which facilitates the installation of the second centrifugal fan 23 and the motor 44 .

Further, the volute 42 includes a volute body, a cover body and a sealing cover, and the volute body, the cover body and the sealing cover are buckled with the fresh air blades.

The internal air conditioner also includes a cross-flow fan blade 43 and a motor 44. The motor 44 includes a first motor shaft 441 and a second motor shaft 442. The first motor shaft 441 is connected to the cross-flow fan blade 43, and the second motor shaft 442 is connected to the second centrifugal fan. The fans 23 are connected, and a motor 44 can drive the cross-flow fan blades 43 and the centrifugal fan blades to rotate, saving electrical components.

Further, the first motor shaft 441 is provided on one side of the motor 44 , and the second motor shaft 442 is provided on the other side of the motor 44 .

Further, the first motor shaft 441 and the second motor shaft 442 are coaxially arranged.

Further, the cross-flow fan blades 43 and the motor 44 are installed on the bottom case of the casing 41, the second motor shaft 442 is connected with the second centrifugal fan 23, and after the cover is closed, the sealing cover is closed.

The indoor unit of the air conditioner also includes a fresh air duct and an exhaust air duct. The first inlet 311 is connected with the fresh air duct through threads. The fresh air duct is used to connect the first inlet 311 with the outdoor environment, and the second outlet 322 is connected to the exhaust air. The pipes are connected by threads, and the exhaust air pipe is used to connect the second outlet 322 with the outdoor environment, so that the versatility of the air pipe is stronger.

Further, the outer walls of the first inlet 311 and the second outlet 322 are provided with threads, and the fresh air duct and the exhaust air duct are designed with threaded hoses.

Further, after installing the exhaust part 2, connect the fresh air duct and the exhaust air duct, and finally install the evaporator and the panel body to complete the installation.

When the air conditioner is turned on, the fresh air portion 1 is turned on and off through a separate control program, and the air exhaust portion 2 and the cross-flow fan blades 43 are turned on and off synchronously.

When the fresh air and exhaust air are turned on at the same time, the outdoor fresh air passes through the first inlet 311, the first channel 31, the first outlet 312, and the fresh air inlet 11 in turn, and then passes through the first air outlet 12 and the first air outlet 12 after being filtered by the filter element 15. The second air outlet 13 blows into the room. The indoor dirty air passes through the exhaust air inlet 21, the exhaust port 22, the second inlet 321, the second channel 32, and the second outlet 322 in turn, and then is discharged to the outside through the exhaust air duct, and the outdoor fresh air and the indoor air are in heat exchange. The heat exchange is carried out in the part 3, which reduces the energy loss.

Another aspect of this embodiment provides an air conditioner, including the above-mentioned indoor unit of the air conditioner.

The air conditioner indoor unit and the air conditioner provided in the embodiments of the present invention can utilize the heat in the exhaust air, reduce the energy loss caused by ventilation, and further reduce the use cost.

Those skilled in the art can easily understand that, under the premise of no conflict, the above-mentioned advantageous manners can be combined and superimposed freely.

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

Claims (14)

1. The indoor unit of the air conditioner is characterized by comprising a fresh air part (1), an air exhaust part (2) and a heat exchange part, wherein the heat exchange part comprises a first channel (31) and a second channel (32), the fresh air part (1) is communicated with the first channel (31), the fresh air part (1) is used for introducing outdoor air into a room through the first channel (31), the air exhaust part (2) is communicated with the second channel (32), the air exhaust part (2) is used for exhausting indoor air to the outside through the second channel (32), and when the fresh air part (1) and the air exhaust part (2) are opened simultaneously, air flowing through the first channel (31) can exchange heat with air flowing through the second channel (32).

2. An indoor unit according to claim 1, wherein the heat exchanging portion includes a heat exchanging member (3), the first passage (31) and the second passage (32) are provided in the heat exchanging member (3), and the heat exchanging member (3) includes a first end and a second end;

the first passage (31) includes a first inlet (311) and a first outlet (312), outdoor air enters into the first passage (31) through the first inlet (311) and is discharged out of the first passage (31) through the first outlet (312), the first inlet (311) is disposed on the first end, and the first outlet (312) is disposed on the second end;

the second passage (32) includes a second inlet (321) through which the indoor air enters the second passage (32) and a second outlet (322) through which the indoor air is discharged out of the second passage (32), the second inlet (321) being disposed on the first end, and the first outlet (312) being disposed on the second end.

3. The indoor unit of an air conditioner as claimed in claim 2, wherein the heat exchanging element (3) is elongated, the central axis of the first outlet (312) and the central axis of the second inlet (321) extend along the extending direction of the heat exchanging element (3), and the central axis of the second outlet (322) and the central axis of the first inlet (311) are arranged perpendicular to the extending direction of the heat exchanging element (3).

4. An indoor unit according to claim 1, wherein the first passage (31) includes an intermediate section, and the second passage (32) includes an intermediate section, and the intermediate section of the first passage (31) is arranged in parallel with the intermediate section of the second passage (32).

5. An air conditioner indoor unit according to claim 1, characterized in that the air conditioner indoor unit further comprises a casing (41), the fresh air part (1) is provided on a first end of the casing (41), and the exhaust air part (2) is provided on a second end of the casing (41).

6. The indoor unit of an air conditioner as claimed in claim 2, wherein the fresh air part (1) comprises a fresh air channel, the fresh air channel comprises a fresh air inlet (11), a first air outlet (12) and a second air outlet (13), air enters the fresh air channel from the fresh air inlet (11) and is discharged from the first air outlet (12) and the second air outlet (13), and the fresh air inlet (11) is connected with the first outlet (312).

7. The indoor unit of the air conditioner as claimed in claim 6, wherein the wind outlet direction of the first air outlet (12) is opposite to the wind outlet direction of the second air outlet (13).

8. The indoor unit of an air conditioner as claimed in claim 6, wherein the fresh air part (1) further comprises a fresh air casing, the fresh air channel is located in the fresh air casing, a first centrifugal fan (14) and a filter element (15) are arranged in the fresh air casing, the first centrifugal fan (14) can drive air to flow in the fresh air channel, and the filter element (15) is arranged on the fresh air channel between the first centrifugal fan (14) and the fresh air inlet (11).

9. The indoor unit of claim 2, wherein the exhaust part (2) comprises an exhaust passage, the exhaust passage comprises an exhaust air inlet (21) and an exhaust air outlet (22), air enters the exhaust passage from the exhaust air inlet (21) and is exhausted from the exhaust air outlet (22), and the exhaust air outlet (22) is connected with the second inlet (321).

10. The indoor unit of an air conditioner according to claim 9, wherein the exhaust part (2) further comprises an exhaust casing, the exhaust passage is located in the exhaust casing, a second centrifugal fan (23) is arranged in the exhaust casing, and the second centrifugal fan (23) can drive air to flow in the exhaust passage.

11. The indoor unit of claim 10, comprising a housing (41), wherein the exhaust housing comprises a volute (42), wherein the second centrifugal fan (23) is located in the volute (42), and wherein the volute (42) and the housing (41) are of an integral structure.

12. The indoor unit of claim 10, further comprising a cross-flow fan blade (43) and a motor (44), wherein the motor (44) comprises a first motor shaft (441) and a second motor shaft (442), the first motor shaft (441) is connected with the cross-flow fan blade (43), and the second motor shaft (442) is connected with the second centrifugal fan (23).

13. The indoor unit of claim 2, further comprising a fresh air duct and an exhaust air duct, wherein the first inlet (311) is in threaded connection with the fresh air duct, the fresh air duct is used for communicating the first inlet (311) with an outdoor environment, the second outlet (322) is in threaded connection with the exhaust air duct, and the exhaust air duct is used for communicating the second outlet (322) with the outdoor environment.

14. An air conditioner characterized by comprising the air conditioner indoor unit as claimed in any one of claims 1 to 13.

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