CN212511461U - Air conditioner indoor unit and air conditioner - Google Patents

Air conditioner indoor unit and air conditioner Download PDF

Info

Publication number
CN212511461U
CN212511461U CN202022223186.0U CN202022223186U CN212511461U CN 212511461 U CN212511461 U CN 212511461U CN 202022223186 U CN202022223186 U CN 202022223186U CN 212511461 U CN212511461 U CN 212511461U
Authority
CN
China
Prior art keywords
fresh air
heat exchanger
air
duct
indoor unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022223186.0U
Other languages
Chinese (zh)
Inventor
孙泽成
蔡国健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, GD Midea Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN202022223186.0U priority Critical patent/CN212511461U/en
Application granted granted Critical
Publication of CN212511461U publication Critical patent/CN212511461U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a machine and air conditioner in air conditioning, the machine includes in the air conditioning: a housing; the heat exchange air duct is formed in the shell, a heat exchange air return opening and a heat exchange air outlet are formed in the shell, a first heat exchanger is further arranged in the heat exchange air duct, and a refrigerant pipeline of the first heat exchanger is connected with a first valve in series; the fresh air duct is arranged in the shell, the fresh air duct is mutually independent of the heat exchange duct, the fresh air duct is formed with a fresh air return inlet, a fresh air outlet and a fresh air inlet on the shell, a second heat exchanger is arranged in the fresh air duct, a refrigerant pipeline of the second heat exchanger is connected in series with a second valve, and the fresh air return inlet and the fresh air inlet can be selectively opened and closed. The utility model discloses have the travelling comfort of priority consideration indoor temperature to when introducing indoor new trend, guarantee the effect of indoor temperature's travelling comfort.

Description

Air conditioner indoor unit and air conditioner
Technical Field
The utility model relates to the technical field of household appliances, in particular to machine and air conditioner in air conditioning.
Background
Among the prior art, when the air conditioner operation new trend function, introduce the new trend from outdoor, when there is great difference in temperature between new trend and the room air, lead to indoor temperature sharp change, user's travelling comfort reduces.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an indoor unit of air conditioner aims at solving the problem that humidifier and air conditioner occupy great indoor space among the prior art.
In order to achieve the above object, the utility model provides an indoor unit of air conditioner, the indoor unit of air conditioner includes: a housing; the heat exchange air duct is formed in the shell, a heat exchange air return opening and a heat exchange air outlet are formed in the shell, a first heat exchanger is further arranged in the heat exchange air duct, and a refrigerant pipeline of the first heat exchanger is connected with a first valve in series; the fresh air duct is arranged in the shell, the fresh air duct is mutually independent of the heat exchange duct, the fresh air duct is formed with a fresh air return inlet, a fresh air outlet and a fresh air inlet on the shell, a second heat exchanger is arranged in the fresh air duct, a refrigerant pipeline of the second heat exchanger is connected in series with a second valve, and the fresh air return inlet and the fresh air inlet can be selectively opened and closed.
Further, the air conditioning indoor unit includes: the fresh air inlet is arranged on the side wall of the ventilation pipeline, and the heat exchange air channel is arranged above the ventilation pipeline; the new trend casing, the new trend casing set up in the casing, the inner space of new trend casing with air pipe's inner space intercommunication is in order to form the new trend wind channel, the new trend casing set up in air pipe top, the second heat exchanger set up in the new trend casing.
Further, the new trend casing includes: the second heat exchanger is arranged in an accommodating space formed by surrounding the heat exchanger side plates, and the accommodating space is communicated with the inner space of the ventilating duct; the fan shell is arranged above the heat exchanger side plate, a fresh air fan is arranged in the fan shell, and the fresh air outlet is formed in the fan shell; the inner space of the ventilation pipeline, the accommodating space of the heat exchanger side plate and the inner space of the fan shell are sequentially communicated to form the fresh air duct.
Furthermore, the air pipe is long and extends along the length direction of the indoor unit of the air conditioner, and the fresh air inlet is arranged at any end of the air pipe in the length direction.
Furthermore, the second heat exchanger is an inverted V-shaped heat exchanger and comprises a first heat exchange portion and a second heat exchange portion, one end, close to the fan shell, of the first heat exchange portion is connected with one end, close to the fan shell, of the second heat exchange portion, one end, far away from the fan shell, of the first heat exchange portion and one end, far away from the fan shell, of the second heat exchange portion are arranged on the ventilation pipeline at intervals.
Further, the ventilation duct further includes: at least two water receiving grooves, at least two the water receiving groove form in air pipe is close to the one end of second heat exchanger, one of them water receiving groove is located first heat transfer portion is kept away from the below of the one end of fan casing, another the water receiving groove is located second heat transfer portion is kept away from the below of the one end of fan casing, at least two set up the intercommunication between the water receiving groove air pipe inner space and the opening of the accommodation space of heat exchanger sideboard.
Furthermore, a step structure is arranged at one end, close to the heat exchanger side plate, of the fan shell, and is sunken towards the direction far away from the heat exchanger side plate to form a slot, and one end, close to the fan shell, of the heat exchanger side plate is correspondingly inserted into the slot to be fixed.
Further, the indoor unit of an air conditioner further includes: the filter screen is arranged in the fresh air duct to filter fresh air introduced from the fresh air inlet and/or return air introduced from the fresh air return inlet.
In order to achieve the above object, the present invention provides an air conditioner, the air conditioner includes any one of the above air conditioners, the air conditioner further includes: and the air conditioner outdoor unit is communicated with the indoor unit through a pipeline.
In the technical scheme of the utility model, a heat exchange air duct is formed in the shell, a heat exchange air return inlet and a heat exchange air outlet are formed on the shell through the heat exchange air duct, a first heat exchanger is further arranged in the heat exchange air duct, and a first valve is connected in series with a refrigerant pipeline of the first heat exchanger to form a heat exchange internal circulation which can be selectively opened and closed; simultaneously through form the new trend wind channel in the casing, the new trend wind channel with heat transfer wind channel mutually independent, the new trend wind channel is in be formed with new trend return air inlet, new trend air outlet and new trend air intake on the casing, be provided with the second heat exchanger in the new trend wind channel, the refrigerant pipeline of second heat exchanger has concatenated the second valve, the new trend return air inlet with the alternative start and stop of new trend air intake to form new trend inner loop and the new trend extrinsic cycle that can open and close, according to indoor temperature, the selectivity is opened heat transfer inner loop, new trend inner loop and/or new trend extrinsic cycle, thereby reaches the travelling comfort of priority considering indoor temperature to when introducing indoor new trend, guarantee the effect of the travelling comfort of indoor temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of an indoor unit of an air conditioner according to the present invention;
fig. 2 is an exploded schematic view of an embodiment of an indoor unit of an air conditioner according to the present invention;
fig. 3 is a schematic cross-sectional view of an embodiment of an indoor unit of an air conditioner according to the present invention;
fig. 4 is a schematic structural view of another embodiment of the indoor unit of an air conditioner of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an air conditioner indoor unit 100, the air conditioner indoor unit 100 includes: a housing (not shown); the heat exchanger comprises a shell, a heat exchange air duct (not shown), a first heat exchanger 11, a second heat exchanger 11 and a second valve (not shown), wherein the shell is provided with a heat exchange air return inlet (not shown) and a heat exchange air outlet (not shown); the fresh air duct (not shown) is arranged in the shell, the fresh air duct and the heat exchange air duct are mutually independent, the fresh air duct is formed with a fresh air return inlet 21, a fresh air outlet 22 and a fresh air inlet 23 on the shell, a second heat exchanger 24 is arranged in the fresh air duct, a second valve (not shown) is connected in series with a refrigerant pipeline of the second heat exchanger 24, and the fresh air return inlet 21 and the fresh air inlet 23 can be selectively opened and closed.
In this embodiment, the casing is an appearance structure of the indoor unit 100 of the air conditioner, the heat exchange air duct and the fresh air duct are formed in the casing independently and not communicated with each other, wherein the heat exchange air duct is formed with a heat exchange air return opening and a heat exchange air inlet opening on the casing, the heat exchange air return opening and the heat exchange air inlet opening are communicated with each other, the first heat exchanger 11 is disposed in the heat exchange air duct, a refrigerant pipeline of the first heat exchanger 11 is further connected in series with a first valve for controlling whether a refrigerant flows into the first heat exchanger 11, the valve may be a four-way valve, a three-way valve, an electronic expansion valve or a throttle valve, etc., in this embodiment, the type of the first valve is not limited, it can be understood that the heat exchange air duct is further provided with a heat exchange fan 12, when the air conditioner is in a heat exchange mode, the first valve is opened to allow a refrigerant to enter the first heat exchanger 11 for heat exchange, and meanwhile, the heat exchange fan 12 is opened to introduce indoor air into the heat exchange air duct from the heat exchange air return opening to exchange heat with the first heat exchanger 11 and blow out the air subjected to heat exchange from the heat exchange air outlet to achieve the effect of adjusting the indoor temperature.
In this embodiment, the fresh air duct forms a fresh air return opening 21, a fresh air outlet 22 and a fresh air inlet 23 on the housing, wherein among the fresh air return opening 21, the fresh air outlet 22 and the fresh air inlet 23, the fresh air return opening 21 and the fresh air outlet 22 are communicated indoors, the fresh air inlet 23 is communicated outdoors, and at least the fresh air return opening 21 and the fresh air inlet 23 can be selectively opened and closed, for example, air doors can be arranged at the fresh air return opening 21 and the fresh air inlet 23, and the fresh air return opening 21 and the fresh air inlet 23 can be selectively opened and closed by the air doors; the second heat exchanger 24 is disposed in the fresh air duct, and a second valve for controlling whether a refrigerant flows into the second heat exchanger 24 is further connected in series to a refrigerant pipeline of the second heat exchanger 24, where the valve may be a four-way valve, a three-way valve, an electronic expansion valve, or a throttle valve, and the type of the second valve is not limited in this embodiment.
In this embodiment, the process of introducing the indoor air into the fresh air duct from the fresh air return port 21 and blowing out the indoor air from the fresh air outlet 22 is referred to as fresh air internal circulation, and the fresh air internal circulation can be opened or closed by controlling the opening and closing of the fresh air return port 21, and similarly, the process of introducing the indoor air into the fresh air duct from the fresh air inlet 23 and blowing out the indoor air from the fresh air outlet 22 is referred to as fresh air external circulation, and the fresh air external circulation can be opened or closed by controlling the opening and closing of the fresh air inlet 23. When the fresh air internal circulation or the fresh air external circulation is started, the opening of the second valve is controlled, so that the refrigerant enters the second heat exchanger 24 for heat exchange, and the second heat exchanger 24 exchanges heat with air introduced in the fresh air internal circulation or the fresh air external circulation process and blows out the air from the fresh air outlet 22.
In this embodiment, whether the heat exchange inner circulation, the fresh air inner circulation and the fresh air outer circulation are opened or not is controlled according to the indoor temperature, for example, in summer, when the indoor unit of the air conditioner needs to simultaneously open the cooling mode and the fresh air mode, the indoor temperature is obtained first, when the indoor temperature is in a first preset range, the indoor temperature is relatively comfortable, at this time, the indoor temperature does not need to be lowered, the heat exchange inner circulation is closed by closing the first valve, the fresh air inner circulation is closed by closing the indoor return air inlet, the fresh air outer circulation is opened by opening the fresh air inlet 23, so that fresh air is introduced from the outdoor, at this time, the low-temperature refrigerant enters the second heat exchanger 24 by controlling the second valve to be opened, so as to cool the fresh air introduced from the outdoor, and then the fresh air is blown out from the fresh air outlet 22, therefore, the fresh air blown into the room can not raise the indoor temperature, and the comfort of the user is ensured;
when the indoor temperature is in a second preset range (in a cooling mode, the temperature value in the second preset range is greater than the temperature value in the first preset range), it indicates that the indoor temperature is too high to be comfortable, at this time, the indoor temperature needs to be slowly cooled, the first valve is opened to open the heat exchange internal circulation, the heat exchange fan 12 introduces the indoor air into the heat exchange air duct from the heat exchange air return opening, the first heat exchanger 11 exchanges heat with the air in the heat exchange air duct and blows out from the heat exchange air blowing opening, so as to reduce the indoor temperature, meanwhile, the indoor air return opening is closed to close the fresh air internal circulation, the fresh air inlet 23 is opened to open the fresh air external circulation, so as to introduce outdoor fresh air, at this time, the second valve is controlled to be opened to allow low-temperature refrigerant to enter the second heat exchanger 24, so as to cool the fresh air introduced outdoors, then the air is blown out from the fresh air outlet 22, so that the fresh air blown into the room does not raise the indoor temperature, and the comfort of a user is ensured;
when the indoor temperature is in a third preset range (in a cooling mode, the temperature value in the third preset range is greater than the temperature value in the second preset range), it indicates that the indoor temperature is very high, the user is very uncomfortable, and the indoor temperature needs to be rapidly reduced, at this time, the first valve is opened to open the heat exchange internal circulation, the heat exchange fan 12 introduces indoor air into the heat exchange air duct from the heat exchange air return opening, the first heat exchanger 11 exchanges heat with the air in the heat exchange air duct and blows the air out from the heat exchange air blowing opening, so as to reduce the indoor temperature, meanwhile, the indoor air inlet is closed to close the fresh air external circulation, the fresh air return opening 21 is opened to open the fresh air internal circulation, so as to introduce the indoor air, at this time, the second valve is controlled to open, so that low-temperature refrigerant enters the second heat exchanger 24, after the air introduced into the room is cooled, the fresh air outlet 22 blows out the air, so that the indoor air is cooled by the second heat exchanger 24 and the first heat exchanger 11, and the effect of rapid cooling is achieved.
It can be understood that when the heat exchange internal circulation is opened, the heat exchange air return opening and the heat exchange air outlet are opened at the same time, and when the heat exchange internal circulation is closed, the heat exchange air return opening and the heat exchange air outlet can be opened or closed, preferably closed, so as to prevent dust from entering the heat exchange air duct through the heat exchange air return opening and the heat exchange air outlet. The heat exchange air return opening and the heat exchange air outlet can be opened or closed through air doors arranged at the heat exchange air return opening and the heat exchange air outlet. The working processes of the heat exchange internal circulation, the fresh air internal circulation and the fresh air external circulation in the cooling mode and the heating mode are illustrated by way of example, and the details are not repeated herein.
In summary, in the embodiment, the heat exchange air duct is formed in the casing, the heat exchange air duct is provided with the heat exchange air return opening and the heat exchange air outlet on the casing, the heat exchange air duct is further provided with the first heat exchanger 11, and the first heat exchanger 11 is connected with the first valve to form the heat exchange internal circulation capable of being selectively opened and closed; simultaneously through form the new trend wind channel in the casing, the new trend wind channel with heat transfer wind channel mutually independent, the new trend wind channel is in be formed with new trend return air inlet 21, new trend air outlet 22 and new trend air intake 23 on the casing, be provided with second heat exchanger 24 in the new trend wind channel, second heat exchanger 24 is connected with the second valve, new trend return air inlet 21 with the optional start-stop of new trend air intake 23 to form the new trend inner loop and the new trend extrinsic cycle that can open and close, according to indoor temperature, the selectivity is opened heat transfer inner loop, new trend inner loop and/or new trend extrinsic cycle, thereby reaches the travelling comfort of priority consideration indoor temperature to when introducing indoor new trend, guarantee the effect of the travelling comfort of indoor temperature.
Referring to fig. 1 to 3, further, the indoor unit 100 of an air conditioner includes: the ventilation pipeline 25 is arranged in the shell and is positioned at the bottom of the shell, the fresh air return opening 21 is formed at the bottom of the ventilation pipeline 25, the fresh air inlet 23 is formed in the side wall of the ventilation pipeline 25, and the heat exchange air channel is arranged above the ventilation pipeline 25; fresh air casing 26, fresh air casing 26 set up in the casing, fresh air casing 26 the inner space with ventilation pipe 25's inner space intercommunication is in order to form the fresh air wind channel, fresh air casing 26 set up in ventilation pipe 25 top, second heat exchanger 24 set up in fresh air casing 26.
In this embodiment, the ventilation duct 25 forms part of the fresh air duct, the ventilation duct 25 is disposed at the bottom of the casing, and the fresh air return opening 21 is disposed at the bottom of the ventilation duct 25, so as to suck the relatively turbid air at the bottom of the indoor space through the fresh air return opening 21 at the bottom, preferably, the ventilation duct 25 is in a long tube shape and extends along the length direction a-a of the indoor unit 100 of the air conditioner, and the fresh air return opening 21 can be a strip-shaped grille disposed at the bottom of the ventilation duct 25, so that the return air area of the fresh air return opening 21 can be increased, and the intake air amount can be increased; fresh air intake 23 sets up in on the air pipe 25 lateral wall, preferably, fresh air intake 23 sets up in on the arbitrary end on the length direction A-A of air pipe 25, so, can shorten fresh air intake 23 and outdoor distance to reduce the intercommunication the length of fresh air intake 23 and outdoor fresh air pipeline (not shown in the figure), the heat transfer wind channel set up in air pipe 25 top, through air pipe 25 will the heat transfer wind channel separates with the fresh air wind channel.
In this embodiment, new trend casing 26 set up in the casing, be used for placing second heat exchanger 24, new trend casing 26 the inner space with ventilation pipe 25's inner space intercommunication is in order to form the new trend wind channel, new trend casing 26 set up in ventilation pipe 25 top, new trend casing 26 with ventilation pipe 25 is L shape setting, new trend casing 26 with first heat exchanger 11 sets up side by side, so, can reduce indoor heat exchanger's overall dimension does benefit to indoor heat exchanger's miniaturization.
Referring to fig. 1-4, further, the fresh air housing 26 includes: the second heat exchanger 24 is arranged in an accommodating space formed by the heat exchanger side plate 261 in a surrounding manner, and the accommodating space is communicated with the inner space of the ventilation pipeline 25; the fan shell 262 is arranged above the heat exchanger side plate 261, a fresh air fan 263 (see fig. 4) is arranged in the fan shell 262, and the fresh air outlet 22 is arranged on the fan shell 262; the inner space of the ventilation duct 25, the accommodating space formed by the heat exchanger side plate 261 and the inner space of the fan housing 262 are sequentially communicated to form the fresh air duct.
In this embodiment, the number of the heat exchanger side plates 261 may be, for example, 4 heat exchanger side plates 261 form the accommodating space, the accommodating space also forms part of the fresh air duct, the second heat exchanger 24 is disposed in the accommodating space formed by enclosing the heat exchanger side plates 261, the accommodating space is communicated with the internal space of the ventilation duct 25, meanwhile, the fan housing 262 is disposed above the heat exchanger side plates 261, the fan housing 262 is detachably connected to the heat exchanger side plates 261, a fresh air fan 263 is disposed in the fan housing 262, when the fresh air internal circulation is started, the fresh air fan 263 introduces indoor air into the fresh air duct from the fresh air return opening 21, and when the fresh air external circulation is started, the fresh air fan 263 introduces outdoor fresh air into the fresh air duct from the fresh air inlet 23, the fresh air blower 263 is a cross-flow blower, the blower housing 262 is further formed with a cross-flow air duct (not shown), and the fresh air outlet 22 is communicated with the space of the fresh air blower 263 through the cross-flow air duct, so that the fresh air duct is formed by sequentially communicating the inner space of the ventilation duct 25, the accommodating space of the heat exchanger side plate 261 and the inner space of the blower housing 262, and the fresh air duct is formed into the fresh air return opening 21, the fresh air inlet 23 and the fresh air outlet 22 on the housing.
Referring to fig. 3, further, the second heat exchanger 24 is an inverted V-shaped heat exchanger and includes a first heat exchanging portion 241 and a second heat exchanging portion 242, one end of the first heat exchanging portion 241 close to the fan housing 262 is connected to one end of the second heat exchanging portion 242 close to the fan housing 262, and one end of the first heat exchanging portion 241 far from the fan housing 262 and one end of the second heat exchanging portion 242 far from the fan housing 262 are spaced apart and disposed on the ventilation duct 25.
In this embodiment, the inverted V-shaped heat exchanger includes a first heat exchanging portion 241 and a second heat exchanging portion 242, one end of the first heat exchanging portion 241 close to the fan housing 262 is connected to one end of the second heat exchanging portion 242 close to the fan housing 262, that is, upper ends of the first heat exchanging portion 241 and the second heat exchanging portion 242 are connected in a vertical direction B-B, one end of the first heat exchanging portion 241 far away from the fan housing 262 is spaced apart from one end of the second heat exchanging portion 242 far away from the fan housing 262, that is, lower ends of the first heat exchanging portion 241 and the second heat exchanging portion 242 are spaced apart in a vertical direction B-B, lower ends of the first heat exchanging portion 241 and the second heat exchanging portion 242 are respectively fixed to the ventilation duct 25, in this embodiment, the second heat exchanger 24 is configured as an inverted V-shaped heat exchanger, therefore, air entering the fresh air duct from the fresh air return opening 21 or the fresh air inlet 23 flows into the space between the first heat exchanging portion 241 and the second heat exchanging portion 242 from the lower ends of the first heat exchanging portion 241 and the second heat exchanging portion 242, and forms a vortex between the first heat exchanging portion 241 and the second heat exchanging portion 242, so that the contact area and the contact time of the air and the second heat exchanger 24 are increased, and the heat exchange efficiency is improved.
Further, the ventilation duct 25 further includes: at least two water receiving grooves 251, at least two water receiving grooves 251 are formed at one end of the ventilation pipeline 25 close to the second heat exchanger 24, one water receiving groove 251 is located below one end of the first heat exchanging part 241 far away from the fan housing 262, the other water receiving groove 251 is located below one end of the second heat exchanging part 242 far away from the fan housing 262, and an opening 252 communicating the inner space of the ventilation pipeline 25 and the accommodating space of the heat exchanger side plate 261 is formed between at least two water receiving grooves 251.
In this embodiment, at least two water receiving grooves 251 are disposed at one end of the ventilation duct 25 close to the second heat exchanger 24, and at least two water receiving grooves 251 are disposed at lower ends of the first heat exchanging portion 241 and the second heat exchanging portion 242 in a one-to-one correspondence manner and are used for receiving condensed water generated by the second heat exchanger 24 in a cooling process, so as to prevent the condensed water generated by the second heat exchanger 24 from dropping into a room, further, an opening 252 is disposed between at least two water receiving grooves 251, so that the internal space of the ventilation duct 25 and the accommodating space of the heat exchanger side plate 261 are communicated through the opening 252, and air in the ventilation duct 25 enters the accommodating space and exchanges heat through the second heat exchanger 24.
Referring to fig. 4-5, further, a stepped structure 2621 is disposed at an end of the fan housing 262 close to the heat exchanger side plate 261, the stepped structure 2621 is recessed toward a direction away from the heat exchanger side plate 261 to form a slot 2622, and an end of the heat exchanger side plate 261 close to the fan housing 262 is correspondingly inserted into the slot 2622 to be fixed.
In this embodiment, the fan housing 262 and the heat exchanger side plate 261 are detachably disposed, which facilitates separate production and assembly of the second heat exchanger 24 and the heat exchanger side plate 261, specifically, a stepped structure 2621 is disposed at an end of the fan housing 262 close to the heat exchanger side plate 261, and a position on the stepped structure 2621 corresponding to the top of the heat exchanger side plate 261 is recessed to form the insertion groove 2622, one end, that is, the top end, of the heat exchanger side plate 261 close to the fan housing 262 is inserted into the insertion groove 2622 and fixed, and the fan housing 262 is fixed on the heat exchanger side plate 261 by gravity, so that the fan housing 262 and the heat exchanger side plate 261 are detachably disposed.
Further, the indoor unit 100 of an air conditioner further includes: and the filter screen 27 is arranged in the fresh air duct to filter fresh air introduced from the fresh air inlet 23 and/or return air introduced from the fresh air return inlet 21.
In this embodiment, filter screen 27 can be the HEPA net filter screen 27 set up in during fresh air return air inlet 21 position department, filter screen 27 filters the follow the return air that fresh air return air inlet 21 introduced filter screen 27 set up in during fresh air intake 23 position department, filter screen 27 filters the follow the new trend that fresh air intake 23 introduced filter screen 27 sets up in the time of the confluence of indoor return air and outdoor new trend, filter screen 27 filters the follow the new trend that fresh air intake 23 introduced and follow the return air that fresh air return air inlet 21 introduced to dust particle among the filtered air improves the cleanliness factor of indoor air.
In order to achieve the above object, the present invention provides an air conditioner, the air conditioner includes the air conditioner indoor unit 100 as described above, the air conditioner further includes: and an outdoor air conditioner (not shown) which is communicated with the indoor unit through a pipe.
In this embodiment, the outdoor unit of the air conditioner includes a compressor, an outdoor fan, and the like, and is configured to provide a refrigerant to the first heat exchanger 11 and the second heat exchanger 24 through a pipeline. Since the air conditioner includes the indoor heat exchanger, the air conditioner at least includes the beneficial effects of the indoor unit 100, which are not described herein again.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (9)

1. An air conditioning indoor unit, characterized in that, the air conditioning indoor unit includes:
a housing;
the heat exchange air duct is formed in the shell, a heat exchange air return opening and a heat exchange air outlet are formed in the shell, a first heat exchanger is further arranged in the heat exchange air duct, and a refrigerant pipeline of the first heat exchanger is connected with a first valve in series;
the fresh air duct is arranged in the shell, the fresh air duct is mutually independent of the heat exchange duct, the fresh air duct is formed with a fresh air return inlet, a fresh air outlet and a fresh air inlet on the shell, a second heat exchanger is arranged in the fresh air duct, a refrigerant pipeline of the second heat exchanger is connected in series with a second valve, and the fresh air return inlet and the fresh air inlet can be selectively opened and closed.
2. The indoor unit of an air conditioner according to claim 1, wherein the indoor unit comprises:
the fresh air inlet is arranged on the side wall of the ventilation pipeline, and the heat exchange air channel is arranged above the ventilation pipeline;
the new trend casing, the new trend casing set up in the casing, the inner space of new trend casing with air pipe's inner space intercommunication is in order to form the new trend wind channel, the new trend casing set up in air pipe top, the second heat exchanger set up in the new trend casing.
3. The indoor unit of claim 2, wherein the fresh air casing comprises:
the second heat exchanger is arranged in an accommodating space formed by surrounding the heat exchanger side plates, and the accommodating space is communicated with the inner space of the ventilating duct;
the fan shell is arranged above the heat exchanger side plate, a fresh air fan is arranged in the fan shell, and the fresh air outlet is formed in the fan shell;
the inner space of the ventilation pipeline, the accommodating space of the heat exchanger side plate and the inner space of the fan shell are sequentially communicated to form the fresh air duct.
4. The indoor unit of claim 2, wherein the ventilation duct has a long tube shape and extends in a longitudinal direction of the indoor unit, and the fresh air intake port is provided at either end of the ventilation duct in the longitudinal direction.
5. The indoor unit of claim 3, wherein the second heat exchanger is an inverted V-shaped heat exchanger and comprises a first heat exchanging portion and a second heat exchanging portion, one end of the first heat exchanging portion close to the fan housing is connected to one end of the second heat exchanging portion close to the fan housing, and one end of the first heat exchanging portion far away from the fan housing and one end of the second heat exchanging portion far away from the fan housing are arranged at an interval and on the ventilation duct.
6. The indoor unit of an air conditioner according to claim 5, wherein the ventilation duct further comprises:
at least two water receiving grooves, at least two the water receiving groove form in air pipe is close to the one end of second heat exchanger, one of them water receiving groove is located first heat transfer portion is kept away from the below of the one end of fan casing, another the water receiving groove is located second heat transfer portion is kept away from the below of the one end of fan casing, at least two set up the intercommunication between the water receiving groove air pipe inner space and the opening of the accommodation space of heat exchanger sideboard.
7. The indoor unit of an air conditioner as claimed in claim 6, wherein a stepped structure is formed at an end of the fan housing close to the heat exchanger side plate, the stepped structure is recessed in a direction away from the heat exchanger side plate to form a slot, and an end of the heat exchanger side plate close to the fan housing is correspondingly inserted into the slot to be fixed.
8. The indoor unit of an air conditioner according to any one of claims 1 to 7, further comprising:
the filter screen is arranged in the fresh air duct to filter fresh air introduced from the fresh air inlet and/or return air introduced from the fresh air return inlet.
9. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 8, and further comprising:
and the air conditioner outdoor unit is communicated with the indoor unit through a pipeline.
CN202022223186.0U 2020-09-30 2020-09-30 Air conditioner indoor unit and air conditioner Active CN212511461U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022223186.0U CN212511461U (en) 2020-09-30 2020-09-30 Air conditioner indoor unit and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022223186.0U CN212511461U (en) 2020-09-30 2020-09-30 Air conditioner indoor unit and air conditioner

Publications (1)

Publication Number Publication Date
CN212511461U true CN212511461U (en) 2021-02-09

Family

ID=74390084

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022223186.0U Active CN212511461U (en) 2020-09-30 2020-09-30 Air conditioner indoor unit and air conditioner

Country Status (1)

Country Link
CN (1) CN212511461U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113819591A (en) * 2021-08-13 2021-12-21 青岛海尔空调器有限总公司 Air conditioner indoor unit and control method thereof
WO2023065681A1 (en) * 2021-10-20 2023-04-27 青岛海尔空调器有限总公司 Air-conditioner indoor unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113819591A (en) * 2021-08-13 2021-12-21 青岛海尔空调器有限总公司 Air conditioner indoor unit and control method thereof
WO2023065681A1 (en) * 2021-10-20 2023-04-27 青岛海尔空调器有限总公司 Air-conditioner indoor unit

Similar Documents

Publication Publication Date Title
CN110360622A (en) Air in kitchen regulating system
CN206113179U (en) Passive room air conditioning equipment
CN212511461U (en) Air conditioner indoor unit and air conditioner
CN114322093A (en) Air conditioner indoor unit, control method thereof and readable storage medium
CN110939991A (en) Micro-positive pressure air conditioner structure
CN111121173A (en) Fresh air conditioner
CN215001903U (en) Indoor unit of air conditioner
CN211650516U (en) Window type air conditioner
KR200408403Y1 (en) Stand Type Air Conditioner With Heat Exchanger For Fresh Air
CN217057701U (en) Smallpox machine and air conditioner
CN219868312U (en) Fresh air humidity regulator
CN219693467U (en) Fresh air humidity regulator
CN211551804U (en) Air duct machine
CN213019935U (en) Indoor unit of air conditioner
CN220624202U (en) Indoor machine of vertical air conditioner
CN211177151U (en) Window type air conditioner
WO2021151263A1 (en) Window air conditioner
CN217900035U (en) Integrated air conditioner
CN215675496U (en) Indoor unit of air conditioner
CN212252877U (en) Vertical wall-mounted air conditioner indoor unit
CN211716713U (en) Window type air conditioner
CN213272925U (en) Window type air conditioner
US11703234B2 (en) Window air conditioner
CN215765417U (en) Indoor unit of air conditioner
CN211650515U (en) Window type air conditioner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant