The embodiment of the present invention provides a kind of air conditioner indoor unit, can solve in the prior art because of the air-conditioning with fresh air system
Resistive drag force ability is weak, obtains the problem of fresh air volume is few.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
A kind of air conditioner indoor unit, which is characterized in that including housing, offered on the housing indoor air inlet, it is outdoor into
Air port and air outlet, are equipped with the centrifugal blower of both sides air inlet in the housing, and the centrifugal blower includes the first inlet side, the
Two inlet sides and air side, first inlet side are oppositely arranged with the indoor air inlet, second inlet side and institute
It states outdoor air inlet to be oppositely arranged, the air side is oppositely arranged with the air outlet, first inlet side and the interior
Heat exchanger is equipped between air inlet.
Air conditioner indoor unit provided in an embodiment of the present invention, due to the centrifugal blower that is set in housing include the first inlet side and
Second inlet side, the first inlet side are oppositely arranged with indoor air inlet, and are equipped with heat exchanger between the two, and wind is from indoor air inlet
Into in air-conditioning, after being exchanged heat with heat exchanger, then from indoor air outlet discharge, complete to adjust the function of indoor air temperature；
The second inlet side and the outdoor air inlet of centrifugal blower are oppositely arranged, outdoor air from outdoor air inlet through the second inlet side into
Enter centrifugal blower, because centrifugal blower is that air inlet is opened up on chassis axial side plate, air-flow enters axially into centrifugal blower, owns
The contact area of flabellum while stress, air and flabellum is big, thus, the resistive drag force ability of centrifugal blower is stronger, and intake is big, from
And the air output that the air side through centrifugal blower is blown out from indoor air outlet is also relatively large, the air exchanging rate of air-conditioning is fast, overcomes
The defects of prior art, improves the efficiency of fresh air for air conditioner.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instructions such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
With reference to Fig. 1, air conditioner indoor unit includes housing (not shown), and housing is equipped with indoor air inlet 1 and interior goes out
Air port 3, centrifugal blower 4 are set in housing, heat exchanger 5 are equipped between centrifugal blower 4 and indoor air inlet 1, air is with changing
After hot device 5 carries out heat exchange, through centrifugal blower 4, blown out from indoor air outlet 3.
The air conditioner indoor unit of the embodiment of the present invention including housing, opens up indoor air inlet 1,2 and of outdoor air inlet on housing
Indoor air outlet 3, the interior centrifugal blower 4 installed of housing, equipped with the first inlet side 41 and the second inlet side 42, the first inlet side 41
It is oppositely arranged with indoor air inlet 1, and is equipped with heat exchanger 5 between the two, the second inlet side 42 is opposite with outdoor air inlet 2 to be set
It puts, centrifugal blower 4 is additionally provided with air side 43, as shown in Fig. 1~2.
Air conditioner indoor unit provided in an embodiment of the present invention, since the centrifugal blower 4 set in housing includes the first inlet side
41 and second inlet side 42, the first inlet side 41 be oppositely arranged with indoor air inlet 1, and be equipped with heat exchanger 5 between the two, wind from
Indoor air inlet 1 enters in air-conditioning, after being exchanged heat with heat exchanger 5, then discharges from indoor air outlet 3, completes to adjust Interior Space
The function of temperature degree；The second inlet side 42 and the outdoor air inlet 2 of centrifugal blower 4 are oppositely arranged, outdoor air from outdoor into
Air port 2 enters centrifugal blower 4 through the second inlet side 42, because centrifugal blower 4 is that air inlet, air-flow are opened up on chassis axial side plate
Entering axially into centrifugal blower 4, all flabellums stress simultaneously, the contact area of air and flabellum is big, thus, centrifugal blower 4
Resistive drag force ability is stronger, and intake is big, so as to the air output that the air side 43 through centrifugal blower 4 is blown out from indoor air outlet 3
Relatively large, the air exchanging rate of air-conditioning is fast, the defects of overcoming the prior art, improves the efficiency of fresh air for air conditioner.
Centrifugal blower 4 includes axial fan hub 44, and the lower edges of 44 periphery of axial fan hub are equipped with shroud 45, hub disk 46, and
Isolation board is equipped between shroud 45 and hub disk 46, the air side 43 of centrifugal blower 4 is separated into preceding air side and rear air side.If
Air-conditioning is only freezed or heating operation, and room air is only capable of entering from the first inlet side 41 of centrifugal blower 4, finally from close
The preceding air side blowout of shroud 45；If air-conditioning carries out fresh air cycle, air only enters from the second inlet side 42, finally from after
The rear air side blowout of disk 46, outlet air are less efficient.It is therefore preferred that axial fan hub of the embodiment of the present invention in centrifugal blower 4
The first air inlet of connection and the conduction hole 47 of the second inlet side 42 are opened up on 44, as seen in figures 3-5, in this way when centrifugal blower 4 is single
When side is entered the wind, air not only can be from the preceding air side of corresponding side/rear air side blowout, and partial air passes through conduction hole 47
Outflow, then through the preceding air side of 4 opposite side of centrifugal blower/after air side blow out, because of the outlet air simultaneously of preceding air side and rear air side,
So the outlet air efficiency of air-conditioning is higher, and it ensure that centrifugal blower 4 also can highly effective low noise operation in single admission.
Further, if opening up several conduction holes 47 at random in axial fan hub 44, air through conduction hole 47 enter it is another go out
The air of wind side is differed along the axial air quantity of centrifugal blower 4, then the outlet air in 3 each region of indoor air outlet is uneven, therefore, excellent
Selection of land, the embodiment of the present invention uniformly open up multiple conduction holes 47 around the axial direction of centrifugal blower 4, and the air of centrifugal blower 4 can edge
The axial direction of centrifugal blower 4 uniformly flows into another air side from conduction hole 47, and each region outlet air of indoor air outlet 3 is evenly.
Specifically, indoor air door is equipped at indoor air inlet 1, indoor air inlet 1 can be opened or be closed by indoor air door
It closes；Outdoor air door is equipped at outdoor air inlet 2, it can be by 2 open or close of outdoor air inlet by outdoor air door.Work as room air
When quality is better than outdoor air, opens indoor air door and close outdoor air door, air-conditioning is only freezed or heating operation；Work as outdoor
When air quality is better than room air, opens outdoor air door and close indoor air door, operation of air conditioner fresh air system carries out ventilation behaviour
Make, outdoor air is transferred to interior, effectively improves the quality of room air.Especially when being freezed in summer, if outdoor
When temperature is less than indoor temperature, air door in closable chamber only opens outdoor air door, and air-conditioning carries out independent inletting fresh air operating, energy
Enough energy consumptions for effectively reducing air-conditioning.
Further, if the temperature difference of outdoor air and room air is larger, outdoor air door is directly opened, outdoor air is big
Amount pours in interior, indoor temperature can be caused to decline suddenly, easily causes the diseases such as flu, thus, wind outside room of the embodiment of the present invention
Door aperture be arranged to it is adjustable, such as using fresh air valve 21 come the aperture of air door outside regulation room.According to actual needs, by new
The aperture of the outer air door of 21 regulation room of air valve, makes outdoor air gradually flow into interior, indoor temperature change generated in case is slower, is not easy to cause disease
Disease, better user experience.
If indoor oxygen content in air declines, but outdoor air quality is poor, and the air being directly blown into from outdoor can be dirty
Indoor air is contaminated, indoor air quality is caused to decline.It is therefore preferred that the second of the centrifugal blower 4 of the embodiment of the present invention
Air-purifying module 6 is additionally provided between inlet side 42 and outdoor air inlet 2, outdoor air is empty after the processing of air-purifying module 6
Makings amount increases, and therefore, after flow of outside air enters interior, the oxygen content and quality of room air get a promotion.
If in addition, when the quality of outdoor air and room air is poor, outdoor air door operation fresh air system, room are opened
Outer air is got in after the processing of air-purifying module 6, improves indoor air quality, but because outdoor air and room air it
Between the temperature that generally has the temperature difference, outdoor air and make room air after getting in change, thus, room air need again into
Trip temperature is adjusted, and causes energy consumption higher.Preferably, the embodiment of the present invention corresponds to the position of air-purifying module 6 on housing and opens
Equipped with indoor purifying air inlet, room air can directly be entered by indoor purifying air inlet in air-conditioning, through air-purifying module 6
Treated air, then discharged from indoor air outlet 3, indoor air quality is improved, and is handled through air-purifying module 6
Room air afterwards reenters interior, will not cause the temperature change of room air, thus the process is not required to temperature adjusting, energy
It consumes relatively low.
Indoor purifying air inlet is additionally provided with purification inlet air door, and purification inlet air door can open indoor purifying air inlet
Or it is closed.When not needing to carry out indoor air purification, purification air door is closed, reduces energy consumption.
Similarly, the aperture of above-mentioned purification inlet air door is also adjustable, and the embodiment of the present invention is using purification air door
61 adjust the aperture of inlet air door.When room air is better than outdoor, fresh air valve 21 and purification air door 61 are turned off, empty
Transfer in row refrigeration or heating operation；When indoor air quality declines, purification inlet air door and outdoor air door are opened, and according to tool
Body situation adjusts the aperture of purification inlet air door and by the adjusting air chamber of fresh air valve 21 by purifying air door 61
The aperture of outer air door makes air-conditioning be carried out at the same time the purification of room air, fresh air cycle and temperature and adjusts；If air-conditioning is carried out at the same time system
Cool tone section and air purification operating are, it can be achieved that cold wind and purification normal temperature air premixing, the air of air outlet blowout, temperature are cool
Without ice, the comfort of temperature is improved；When indoor temperature does not need to adjust, indoor air door is closed by motion, is beaten
Purification inlet air door and purification air door 61 are opened, carries out individual air purification operating, and according to the oxygen content of room air,
The aperture of fresh air valve 21 is adjusted, control flow of outside air enters indoor speed, improves the quality and oxygen content of room air.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.