CN110701686A - Fresh air cabinet type air conditioner indoor unit - Google Patents

Fresh air cabinet type air conditioner indoor unit Download PDF

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Publication number
CN110701686A
CN110701686A CN201810747191.6A CN201810747191A CN110701686A CN 110701686 A CN110701686 A CN 110701686A CN 201810747191 A CN201810747191 A CN 201810747191A CN 110701686 A CN110701686 A CN 110701686A
Authority
CN
China
Prior art keywords
air
fresh air
shell
fresh
air inlet
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.)
Pending
Application number
CN201810747191.6A
Other languages
Chinese (zh)
Inventor
王佳林
张德明
孙婷
成汝振
孔令波
刘兢
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.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp 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 Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201810747191.6A priority Critical patent/CN110701686A/en
Publication of CN110701686A publication Critical patent/CN110701686A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow

Abstract

The invention provides a fresh air cabinet type air conditioner indoor unit, comprising: the rear part of the shell is provided with a shell air inlet, and the front part of the shell is provided with at least one shell air outlet; at least one air supply component arranged in the shell; the fresh air device is arranged at the bottom in the machine shell; the fresh air device comprises an air inlet cavity and an air outlet cavity communicated with the air inlet cavity, and the air inlet cavity and the air outlet cavity are longitudinally arranged in parallel. According to the technical scheme provided by the invention, the fresh air device is vertically arranged, so that on one hand, the occupied space is small, the height of the whole air conditioner can be effectively reduced, and the air conditioner is more stable; on the other hand, the resistance of outdoor fresh air is smaller than that of vertical air inlet through the purification module, air inlet is more uniform, and the purification effect is good.

Description

Fresh air cabinet type air conditioner indoor unit
Technical Field
The invention relates to the technical field of fresh air conditioners, in particular to an indoor unit of a fresh air cabinet type air conditioner.
Background
The air conditioner is a household appliance which is widely applied, generally has heating and refrigerating functions, adjusts the temperature of indoor air when the ambient temperature is too low or too high, provides a proper indoor environment for users, and effectively improves the life quality of the users.
However, since the conventional air conditioner only circularly heats or cools indoor air during heating or cooling, and a user simultaneously closes a door of a living room to maintain the indoor temperature, the indoor air quality is gradually deteriorated over a long period of time, thereby causing adverse effects on the physical health of the user. Particularly, in recent years, the air pollution is increasingly serious, and people are reluctant to open windows for ventilation particularly in winter heating seasons, so that the indoor air quality is increasingly poor, the oxygen content is increasingly low, and the physical health is affected.
Disclosure of Invention
The invention aims to provide a fresh air cabinet type air conditioner indoor unit, which at least solves part of defects in the prior art.
A further object of the present invention is to improve the indoor air quality.
The invention also aims to simplify the internal structure of the indoor unit of the fresh air cabinet type air conditioner and reduce the cost.
In particular, the present invention provides a fresh air cabinet type air conditioner indoor unit, comprising:
the rear part of the shell is provided with a shell air inlet, and the front part of the shell is provided with at least one shell air outlet;
at least one air supply component arranged in the shell; and
the fresh air device is arranged at the bottom in the machine shell; wherein
The fresh air device comprises an air inlet cavity and an air outlet cavity communicated with the air inlet cavity, and the air inlet cavity and the air outlet cavity are longitudinally arranged in parallel;
the rear part of the air inlet cavity is provided with a pipeline connecting end communicated with the air inlet cavity, and the pipeline connecting end is used for connecting a fresh air inlet pipe leading to the outside;
the air outlet cavity comprises a fresh air fan and a volute arranged outside the fresh air fan; wherein
An air inlet of a volute of the fresh air fan is communicated with the air inlet cavity, an air outlet of the volute faces the top of the machine shell, and the fresh air fan is configured to suck outdoor fresh air of the air inlet cavity and discharge the fresh air into or out of the machine shell from the air outlet of the volute; and is
The at least one air supply assembly is configured to at least partially suck outdoor fresh air exhausted by the fresh air fan from the inside of the machine shell or the air inlet of the machine shell so as to be exhausted from the air outlet of the machine shell.
Preferably, the fresh air cabinet type air conditioner indoor unit further comprises,
the heat exchanger is arranged on the air inlet main air channel between the air supply assembly and the air inlet of the shell, so that the air entering through the air inlet of the shell exchanges heat with the heat exchanger;
and the electrical appliance box is vertically arranged at the bottom of the shell and is close to the air outlet cavity.
Preferably, the air inlet chamber is provided with the purification module near one side of air-out chamber for purify the outdoor new trend of carrying to indoor.
Preferably, the at least one air supply assembly comprises a first air supply assembly and a second air supply assembly arranged below the first air supply assembly; and is
The at least one enclosure outlet includes a top outlet and a lower outlet, the first and second air supply assemblies configured to facilitate flow of air to the indoor environment via the top and lower outlets, respectively.
Preferably, the air supply assemblies include a centrifugal fan and a volute disposed outside the centrifugal fan, and the centrifugal fan is configured to suck indoor air from the casing air inlet and cause the indoor air to be re-supplied to the indoor environment through the casing air outlet.
Preferably, the rotation axes of the centrifugal fan and the fresh air fan of the first air supply assembly and the second air supply assembly are parallel.
Preferably, the pipeline connecting end is arranged in the middle of the rear side of the air inlet cavity, and the fresh air inlet pipe penetrates out of the shell and extends to the outside.
Preferably, the air inlet side of the air inlet cavity, which is close to the air outlet cavity, is detachably provided with a dust removal net for removing dust from outdoor air conveyed to the indoor space.
Preferably, a handle is installed at the front of the purification module so as to be used for replacing the purification module.
Preferably, the fresh air device is independent of the indoor unit for heating or cooling operation.
According to the fresh air cabinet type air conditioner indoor unit, the fresh air device is additionally arranged on the traditional cabinet type air conditioner indoor unit, so that in the air conditioner refrigerating or heating process, even if a window is closed, outdoor fresh air can be introduced into a room through the fresh air device, continuous and fresh air is provided for a closed indoor space, the oxygen content of the indoor air is increased, and air conditioning diseases are avoided.
Furthermore, the fresh air cabinet type air conditioner indoor unit is particularly suitable for an air conditioner with double centrifugal fans for supplying air up and down, the air supply quantity is large, and indoor air can be updated in time; the fresh air device and the electrical box are reasonably designed to be longitudinally arranged at the bottom of the indoor unit; according to the technical scheme provided by the invention, the fresh air device is vertically arranged, so that on one hand, the occupied space is small, the height of the whole air conditioner can be effectively reduced, and the air conditioner is more stable; on the other hand, the resistance of outdoor fresh air is smaller than that of vertical air inlet through the purification module, air inlet is more uniform, and the purification effect is good. Moreover, the electrical apparatus case is vertically placed waterproof nature reinforcing, and greatly reduced is because of the probability that the water collector leaks and destroys electrical control spare.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is an overall schematic structural view of a fresh air cabinet type air conditioner indoor unit according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of the interior of the fresh air cabinet air conditioner indoor unit shown in FIG. 1;
FIG. 3 is an enlarged schematic block diagram of the bottom of the fresh air cabinet air conditioner indoor unit shown in FIG. 2;
FIG. 4 is a schematic block diagram of a fresh air device of the fresh air cabinet air conditioner indoor unit shown in FIG. 2;
fig. 5 is an exploded schematic structural view of the fresh air device shown in fig. 4.
Detailed Description
Fig. 1 is an overall schematic structural view of a fresh air cabinet air conditioner indoor unit 10 according to an embodiment of the present invention; fig. 2 is a schematic block diagram of the interior of the fresh air cabinet air conditioner indoor unit 10 shown in fig. 1. As shown in fig. 1, the indoor unit 10 of the fresh air cabinet air conditioner provided by the present invention includes a fresh air device 200 at the bottom end thereof, in addition to the indoor unit having the same appearance and performance as those of the prior art. Specifically, as will be understood from fig. 1 to 3, the indoor unit 10 includes a casing 100, at least one air supply assembly and a heat exchanger 130 are disposed inside the casing 100, and a casing air inlet (not shown) and at least one casing air outlet (101 or 102) are disposed on the casing 100. Indoor air is introduced into the indoor unit 10 from a casing air inlet (not shown) through any air supply assembly, and is subjected to heat exchange (cooling or heating) through the heat exchanger 130, and then the air subjected to heat exchange is introduced into the room from the casing air outlet (101 or 102), and the circulation is performed, so that the temperature of the indoor air is adjusted when the ambient temperature is too low or too high, the preset temperature of a user is reached, a suitable indoor environment is provided for the user, and the life quality of the user is effectively improved.
Further, as shown in fig. 2, an air outlet 202 of the fresh air device 200 of the present invention leads to the outside of the indoor unit casing 100, the air outlet 202 faces the top of the casing 100, and at least one air supply assembly is configured to suck at least part of the outdoor fresh air discharged from the fresh air blower 221 from the air inlet of the casing 100, and discharge the outdoor fresh air from the casing air outlet (101 or 102) after exchanging heat with the heat exchanger 130, so as to complete the transportation of the outdoor fresh air from the outdoor to the indoor.
The heat exchanger 130 is disposed on the main intake duct between the volutes (112 and 122) of the centrifugal fans (111 and 121) and the cabinet intake (not shown) so that the indoor air entering through the cabinet intake (not shown) exchanges heat with the heat exchanger 130.
The outdoor fresh air is introduced by the fresh air device 200 and then directly sent out of an air inlet (not shown) of the machine shell instead of being sent into the machine shell 100, the outdoor fresh air sent into the room is sucked into the machine shell 100 by at least one air supply assembly, and is quickly sent into the room again from an air outlet (101 or 102) of the machine shell after reaching the indoor set temperature after heat exchange by the heat exchanger 130 of the indoor machine 10, so that the indoor temperature is not greatly fluctuated, the stability of the indoor temperature is kept, and a comfortable and healthy environment is provided for users.
Specifically, at least one air supply assembly is disposed in the cabinet 100, wherein preferably, the at least one air supply assembly includes a first air supply assembly 110 and a second air supply assembly 120, and the second air supply assembly 120 is disposed below the first air supply assembly 110. Each of the first and second air supply assemblies 110 and 120 includes a centrifugal fan (111 and 121) and a volute (112 and 122) disposed outside the centrifugal fan (111 and 121), and the centrifugal fan (111 and 121) is configured to draw in indoor air from a cabinet air inlet (not shown) and cause it to be re-fed into the indoor environment via a cabinet air outlet (101 or 102).
The at least one housing outlet (101 or 102) includes a top outlet 101 and a lower outlet 102, wherein the top outlet 101 corresponds to the outlet of the volute 112 of the first air supply assembly 110, and the lower outlet 102 corresponds to the outlet of the volute 122 of the second air supply assembly 120. The first and second air supply assemblies 110 and 120 are configured to promote the air to be conveyed from the main air duct after being heat exchanged by the heat exchanger 130, and finally to flow to the indoor environment through the top air outlet 101 and the lower air outlet 102, respectively.
In an exemplary embodiment, the first air supply assembly 110 and the second air supply assembly 120 may operate simultaneously or individually.
When the first air supply assembly 110 or the second air supply assembly 120 operates alone, indoor air is sucked into the indoor unit 10 from an air inlet (not shown) of the casing, and after outdoor fresh air is sucked out of the casing 100 from the fresh air device 200, the first air supply assembly 110 or the second air supply assembly 120 sends the indoor air and the outdoor fresh air to the indoor space through the top air outlet 101 or the lower air outlet 102, so that air circulation flow is completed. In this case, the fresh air cabinet air conditioner indoor unit 10 of the present invention has a small difference in ventilation air volume and a small change in operation capacity compared to the cabinet air conditioners of the prior art, but can deliver outdoor fresh air to the room, update indoor air in real time, and keep the indoor air fresh.
When the first air supply assembly 110 and the second air supply assembly 120 operate simultaneously, the centrifugal fans (111 and 121) work together to supply indoor air and outdoor air to the room through the top air outlet 101 or the lower air outlet 102, thereby completing the air circulation flow. Under the condition that the first air supply assembly 110 and the second air supply assembly 120 operate simultaneously, compared with a cabinet air conditioner in the prior art, the fresh air cabinet air conditioner indoor unit 10 provided by the invention can realize up-and-down air supply, the air supply quantity is large, the air exchange capacity of the indoor unit 10 is increased, on the basis of increasing the air exchange quantity, outdoor fresh air is sent into the indoor unit 10 by the fresh air device 200, further, the indoor unit 10 has enough power to send the fresh air into the room, more outdoor fresh air is sent into the room, indoor air can be updated quickly, and the quality of the indoor air is improved more effectively and timely.
In the above embodiment, the fresh air device 200 of the fresh air cabinet air conditioner indoor unit 10 has the following specific structure:
fig. 3 is an enlarged schematic bottom block diagram of the fresh air cabinet air conditioner indoor unit 10 shown in fig. 2; fig. 4 is a schematic structural view of a fresh air device 200 of the fresh air cabinet air conditioner indoor unit 10 shown in fig. 2, and fig. 5 is an exploded schematic structural view of the fresh air device 200 shown in fig. 4; further, as will be understood by those skilled in the art from the analysis of fig. 2, the fresh air device 200 is disposed below the air supply assembly, specifically, below the second air supply assembly 120.
The fresh air device 200 comprises an air inlet cavity 210 and an air outlet cavity 220, specifically, in the embodiment, the air inlet cavity 210 and the air outlet cavity 220 are longitudinally arranged in parallel, and the air inlet cavity 210 is communicated with the air outlet cavity 220; and the longitudinal arrangement direction of the air inlet cavity 210 and the air outlet cavity 220 is consistent with the front-back direction of the indoor unit 10.
Specifically, the rear portion of the air inlet cavity 210 is provided with a pipeline connecting end 211 communicated with the air inlet cavity, and the pipeline connecting end 211 is used for connecting a fresh air inlet pipe leading to the outside. The fresh air from the outside enters the air inlet chamber 210 through the fresh air inlet duct under the action of the fan in the air outlet chamber 220. Preferably, the pipeline connecting end 211 is arranged in the middle of the rear side of the air inlet cavity 210, and the fresh air inlet pipe penetrates through the casing 100 and extends to the outside; as can be seen by those skilled in the art, the pipe connection end 211 is disposed in the middle of the rear side of the air inlet cavity 210, that is, outdoor fresh air enters the air inlet cavity 210 from the middle of the air inlet cavity 210, so that the outdoor fresh air in the air inlet cavity 210 is distributed more uniformly, the outdoor fresh air flows more stably in the fresh air device 200, and the air noise is smaller.
The air outlet chamber 220 includes a fresh air blower 221 and a volute 222 therein. The fresh air fan 221 is specifically a centrifugal fan, the air outlet cavity 220 is communicated with the air outlet cavity 220, and the volute 222 is arranged outside the fresh air fan 221. An air inlet of a volute 222 of the centrifugal fan is communicated with an air inlet cavity 210, an air outlet 201 of the volute is connected with a fresh air outlet pipe 223 leading to the outside of the machine shell 100, an air outlet 202 of the fresh air outlet pipe 223 faces the top of the machine shell 100, more air is directly conveyed to an air inlet (not shown) of the machine shell, more fresh air from the outside enters the indoor unit 10 and is discharged into the indoor unit 10 after heat exchange of the indoor unit 10, more outdoor fresh air enters the indoor unit 10 for heat exchange, and the indoor temperature is more stable as the fluctuation of the indoor temperature is smaller; the centrifugal fan is configured to suck fresh air from the outside into the air inlet chamber 210 and send the fresh air out of the cabinet 100 through the fresh air outlet pipe 223.
After the outdoor fresh air is sent to the indoor space from the air outlet cavity 220, the first air supply assembly 110 and/or the second air supply assembly 120 are/is sent to the indoor space from the top air outlet 101 and the lower air outlet 102 respectively, so that the fresh outdoor fresh air is sent to the indoor space, the oxygen content of the air in the closed indoor space is increased, and the probability of air conditioning diseases of users is effectively reduced.
In some preferred embodiments, the rotation axes of the centrifugal fans (111 and 121) and the fresh air fan 221 of the first air supply assembly 110 and the second air supply assembly 120 are parallel, so that the noise of the indoor unit 10 is reduced, and the user experience is improved.
Further, the radiuses of the impellers of the centrifugal fans (111 and 121) of the first air supply assembly 110 and the second air supply assembly 120 may be the same or different, and the air supply capacities of the first air supply assembly 110 and the second air supply assembly 120 are not required, and may be the same or different. The second air supply assembly 120 may be an alternative air supply assembly, when the air conditioner is started up in an initial stage, the indoor temperature needs to be quickly lowered or raised, a large air volume circulation is needed, the second air supply assembly 120 may be turned on to increase the air volume of the indoor unit 10, so that the indoor temperature quickly reaches the preset temperature of the user, when the indoor temperature is stable, the second air supply assembly 120 may not be operated, and only the first air supply assembly 110 is operated to maintain the indoor temperature stable, so that the air supply capacity of the second air supply assembly 120 is not required to be the same as the air supply capacity of the first air supply assembly 110.
Or, when the indoor air quality is seriously polluted and the oxygen content is low, and the fresh air device 200 needs to be opened, the second air supply assembly 120 can be started to operate, so that the function of auxiliary air supply is achieved, the indoor air is rapidly updated by the outdoor fresh air, and the indoor air quality is rapidly recovered to a good state.
In the fresh air device 200 in each of the above embodiments, the purifying module 212 is disposed on a side of the air inlet cavity 210 close to the air outlet cavity 220, and is used for purifying outdoor fresh air delivered indoors. A handle 214 is mounted to the front of the purification module 212 to facilitate replacement of the purification module 212.
The purification module 212 uses intense field dielectric technology to purify the air delivered to the room. Specifically, this purification module 212 is IFD purifier, and IFD is a dust removal technique, for the most advanced among the present dust removal technique, the most efficient technique, and the effectivity is extremely strong. A strong electric field with a dielectric material as a carrier is utilized. The dielectric material forms a honeycomb hollow micro-channel, the dielectric wrapping electrode slice forms a strong electric field in the channel, the strong electric field exerts huge attraction on charged particles moving in the air, only generates minimum air flow impedance, and can adsorb almost 100% of particles moving in the air, and the removal effect on particle pollutants such as PM2.5 and the like is particularly obvious. Adopt above-mentioned purification module 212, can reduce the PM2.5 granule in the air by a wide margin in the weather that the haze was abused, effectively improve the quality of sending into indoor outdoor air.
The purification module 212 may also be filtered by HEPA, which is a high efficiency filter paper that can filter 99% of the fine particles in the air, ensuring the air output by the fan module 220 to be clean and avoiding secondary pollution.
In order to more reasonably utilize the space inside the casing 100, the fresh air cabinet type air conditioner indoor unit 10 provided by the invention further comprises an electrical appliance box 140, as shown in fig. 2, according to the technical scheme provided by the invention, the fresh air device 200 and the electrical appliance box 140 are longitudinally arranged, so that on one hand, the occupied space is small, the overall height of the air conditioner can be effectively reduced, and the air conditioner is more stable; on the other hand, the resistance of outdoor fresh air passing through the purification module 212 is smaller than that of vertical air inlet, air inlet is more uniform, and the purification effect is good. Moreover, the electrical appliance box 140 is vertically arranged, so that the waterproof performance is enhanced, and the probability of damaging the electrical control part due to water leakage of the water pan is greatly reduced. Through long-term use investigation, the probability of the damage of the electric control part due to the water leakage of the receiving disc is reduced by four fifths compared with the design in the prior art.
In some alternative embodiments, a filter screen is detachably installed at the air inlet of the fresh air inlet pipe to prevent dust or mosquitoes from entering the fresh air device 200 and polluting or damaging the internal structure of the fresh air device 200, thereby preventing the quality of the fresh air exchanged by the fresh air device 200 from being reduced.
In the fresh air device 200, the filter screen 224 and the purification device are arranged, so that fresh air entering a room can be purified, especially, the air pollution is increasingly aggravated at present, the purified air is sent into the room, the quality of the indoor air is improved, and the harm of the polluted air to the body is reduced.
In other embodiments, as shown in fig. 3, a dust screen 213 is detachably mounted on the air inlet side of the air inlet chamber 210 near the air outlet chamber 220 for filtering the outdoor air delivered to the indoor space. In some areas or cities with better air quality, a purifying device is not needed to be installed, and the outdoor fresh air entering the room can reach the standard. However, the outdoor fresh air cannot be prevented from containing sand, so that the outdoor fresh air can be dedusted after the dedusting net 213 is installed, and the sand is prevented from entering the fresh air device 200 and the indoor unit 10 and then damaging the fan blades of the fresh air fan 221 and the centrifugal fans (111 and 121) of the air supply assembly, thereby affecting the use of the indoor unit 10. When the dust removal net 213 is used for a long time, the user can take out the dust removal net for cleaning or replacement by himself, so that the indoor air quality can reach the standard.
The fresh air device 200 in each of the above embodiments can be operated independently of the heating or cooling operation of the indoor unit 10, and can also be operated synchronously with the heating and cooling operation of the indoor unit 10.
In the indoor unit 10 of the fresh air cabinet air conditioner of the present invention, the fresh air device 200 may be installed inside the indoor unit 10, integrated with the indoor unit 10, or installed outside the indoor unit 10. No matter the installation state of any form, all can reduce the cost of using the new trend system among the prior art by a wide margin, and the noise is low, has better user experience.
In the following description, the terms "front", "back", "upper", "lower", "top", "bottom", "inner", "outer", "lateral", "longitudinal", "left and right", and the like, are used in the orientations and positional relationships indicated in the drawings, which are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A fresh air cabinet type air conditioner indoor unit comprises:
the rear part of the shell is provided with a shell air inlet, and the front part of the shell is provided with at least one shell air outlet;
at least one air supply assembly arranged in the shell; and
the fresh air device is arranged at the bottom in the shell; wherein
The fresh air device comprises an air inlet cavity and an air outlet cavity communicated with the air inlet cavity, and the air inlet cavity and the air outlet cavity are longitudinally arranged in parallel;
the rear part of the air inlet cavity is provided with a pipeline connecting end communicated with the air inlet cavity, and the pipeline connecting end is used for connecting a fresh air inlet pipe leading to the outside;
the air outlet cavity comprises a fresh air fan and a volute arranged outside the fresh air fan; wherein
An air inlet of a volute of the fresh air fan is communicated with the air inlet cavity, an air outlet of the volute faces the top of the machine shell, and the fresh air fan is configured to suck outdoor fresh air of the air inlet cavity and discharge the fresh air from the air outlet of the volute into or out of the machine shell; and is
At least one air supply assembly is configured to at least partially suck the outdoor fresh air discharged by the fresh air fan from the inside of the shell or the air inlet of the shell, and then the outdoor fresh air is discharged from the air outlet of the shell.
2. The fresh air cabinet air conditioner indoor unit according to claim 1, further comprising,
the heat exchanger is arranged on the air inlet main air channel between the air supply assembly and the air inlet of the shell, so that the air entering through the air inlet of the shell exchanges heat with the heat exchanger;
and the electrical appliance box is vertically arranged at the bottom of the shell and is close to the air outlet cavity.
3. The fresh air cabinet air conditioner indoor unit according to claim 1,
the air inlet cavity is close to one side of the air outlet cavity is provided with a purification module used for purifying outdoor fresh air conveyed to the indoor space.
4. The fresh air cabinet air conditioner indoor unit according to any one of claims 1 to 3,
the at least one air supply assembly comprises a first air supply assembly and a second air supply assembly arranged below the first air supply assembly; and is
The at least one enclosure outlet includes a top outlet and a lower outlet, the first and second air supply assemblies configured to facilitate flow of air to an indoor environment via the top and lower outlets, respectively.
5. The fresh air cabinet air conditioner indoor unit according to claim 4,
the first air supply assembly and the second air supply assembly of the air supply assembly comprise a centrifugal fan and a volute arranged outside the centrifugal fan, and the centrifugal fan is configured to suck indoor air from the shell air inlet and enable the indoor air to be sent to the indoor environment again through the shell air outlet.
6. The fresh air cabinet air conditioner indoor unit according to claim 5,
the first air supply assembly is parallel to the centrifugal fan of the second air supply assembly and the rotation axis of the fresh air fan.
7. The fresh air cabinet air conditioner indoor unit according to claim 1,
the pipeline connecting end is arranged in the middle of the rear side of the air inlet cavity, and the fresh air inlet pipe penetrates out of the shell and extends to the outside.
8. The fresh air cabinet air conditioner indoor unit according to claim 7,
the dust removing net is detachably mounted on the air inlet side, close to the air outlet cavity, of the air inlet cavity and used for removing dust of the outdoor air conveyed to the indoor space.
9. The fresh air cabinet air conditioner indoor unit according to claim 2,
the front part of the purification module is provided with a handle so as to be convenient for replacing the purification module.
10. The fresh air cabinet air conditioner indoor unit according to claim 1,
the fresh air device is independent of the indoor unit for heating or refrigerating operation.
CN201810747191.6A 2018-07-09 2018-07-09 Fresh air cabinet type air conditioner indoor unit Pending CN110701686A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810747191.6A CN110701686A (en) 2018-07-09 2018-07-09 Fresh air cabinet type air conditioner indoor unit

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Application Number Priority Date Filing Date Title
CN201810747191.6A CN110701686A (en) 2018-07-09 2018-07-09 Fresh air cabinet type air conditioner indoor unit

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Publication Number Publication Date
CN110701686A true CN110701686A (en) 2020-01-17

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CN201810747191.6A Pending CN110701686A (en) 2018-07-09 2018-07-09 Fresh air cabinet type air conditioner indoor unit

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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