CN209744533U - Indoor machine of air conditioner - Google Patents
Indoor machine of air conditioner Download PDFInfo
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- CN209744533U CN209744533U CN201920296025.9U CN201920296025U CN209744533U CN 209744533 U CN209744533 U CN 209744533U CN 201920296025 U CN201920296025 U CN 201920296025U CN 209744533 U CN209744533 U CN 209744533U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides an air conditioner indoor unit, including the casing that has air intake and at least one air outlet and set up the heat exchanger in the casing, the new trend wind channel, new trend pipe and new trend fan, the heat exchanger is located the low reaches of air intake on the air current route, configure to and carry out the heat transfer with the air current that gets into from the air intake, the end and the outdoor environment intercommunication of advancing of new trend pipe, its fresh air import intercommunication that goes out end and new trend wind channel, the new trend export in the air intake is located the upper reaches of air intake, and communicate with the air intake, so that the air current that flows out by the new trend export gets into in the indoor set from the air intake, new trend fan configures to make outdoor environment air get into in the new trend wind channel through the new trend pipe, and flow out from the new trend export. Therefore, when fresh air is introduced into the room, the temperature of the air flow blown into the room is uniform, and the influence on the indoor temperature caused by directly blowing the fresh air into the room without heat exchange is avoided.
Description
Technical Field
The utility model relates to a household electrical appliances technical field especially relates to an air conditioner indoor unit.
background
when the air conditioner operates in refrigeration and heating, the air conditioner operates in a closed room for a long time to ensure the refrigeration and heating effects, because indoor personnel breathe and the closed space prevents air circulation, the indoor carbon dioxide concentration is increased under the long-time air conditioner operation state (the indoor CO2 concentration is not more than 0.1 percent (namely 1000PPM) specified by the indoor air quality standard GBT 18883-2002), the indoor air is dirty, and the conditions of shortness of breath, dizziness, vomiting or uncomfortable body and the like of the indoor personnel can be caused.
in order to improve indoor ambient air, a fresh air system can be generally installed indoors, outdoor ambient air is introduced into a room through the fresh air system, indoor and outdoor air circulation is achieved, however, the temperature difference between the temperature of the outside air entering the indoor environment and the temperature of cold/hot air blown out of an indoor unit is large due to the fact that the introduced fresh air is not processed, and comfort experience of users is affected.
Disclosure of Invention
in view of the above, it is an object of the present invention to provide an indoor unit of an air conditioner that overcomes or at least partially solves the above problems.
The utility model discloses a further purpose improves the room air quality, promotes the air supply travelling comfort of indoor set.
The utility model provides an air conditioner indoor unit, include:
a housing having an air inlet and at least one air outlet;
The heat exchanger is arranged in the shell, is positioned at the downstream of the air inlet on the air flow path, and is configured to exchange heat with air flow entering from the air inlet;
The fresh air duct is arranged in the shell, and on a fresh air flow path, a fresh air outlet of the fresh air duct is positioned at the upstream of the air inlet and is communicated with the air inlet, so that airflow flowing out of the fresh air outlet enters the indoor unit from the air inlet;
The inlet end of the fresh air pipe is communicated with the outdoor environment, and the outlet end of the fresh air pipe is communicated with the fresh air inlet of the fresh air duct;
The fresh air fan is arranged in the fresh air duct and is configured to enable outdoor environment air to enter the fresh air duct through the fresh air pipe and flow out of the fresh air outlet to enter the air inlet.
optionally, the indoor unit further includes:
And the negative ion generator is arranged in the fresh air duct to generate negative oxygen ions.
optionally, the indoor unit further includes:
The air filtering module is arranged in the fresh air duct, is close to the fresh air inlet and is used for purifying outdoor environment air entering the fresh air duct;
And the air refreshing module is arranged in the fresh air duct, is positioned at the downstream of the air filtering module on the air flow path and is used for refreshing air.
optionally, the indoor unit further includes:
An air quality sensor configured to detect air quality of an indoor environment in which the indoor unit is located;
the fresh air fan is configured to be turned on when the air quality detected by the air quality sensor is lower than a preset air quality, so that outdoor ambient air enters indoors.
Optionally, the air conditioner indoor unit is an indoor unit of a cabinet air conditioner;
The fresh air duct is arranged at the bottom of the shell;
The fresh air pipe is positioned at the rear part of the shell.
Optionally, the air inlet is formed at the rear part of the casing;
The fresh air outlet of the fresh air duct is positioned behind the air inlet and close to the lower end of the air inlet.
optionally, the indoor unit further includes:
And the air supply assembly is arranged in the shell, is positioned above the fresh air duct, and is configured to promote air entering from the air inlet to flow to the indoor environment where the indoor unit is positioned from the at least one air outlet through the heat exchanger.
Optionally, the number of the air outlets is two, and the two air outlets are respectively an upper air outlet formed on the front side of the upper end of the machine shell and a lower air outlet formed below the machine shell;
the air supply assemblies are two, are the first air supply assembly that is located the top and the second air supply assembly that is located the below respectively, and first air supply assembly configures to and makes the partial air current after the heat transfer with the heat exchanger flow to the indoor environment in by last air outlet, and the second air supply assembly configures to and makes the partial air current after the heat transfer with the heat exchanger flow to the indoor environment in by lower air outlet.
optionally, the air supply assembly includes a volute and a centrifugal fan disposed in the volute, and the centrifugal fan is configured to promote the airflow after heat exchange with the heat exchanger to flow from the at least one air outlet to the indoor environment.
optionally, the indoor unit further includes:
and the plurality of air guide swing blades are arranged at the upper air outlet and are configured to guide the air flow flowing out of the upper air outlet so as to adjust the air outlet direction of the upper air outlet.
The indoor unit of the air conditioner is additionally provided with the fresh air device, so that fresh air can be still introduced indoors under the indoor closed condition, and the indoor air quality is improved; and the fresh air flowing out of the fresh air duct enters the indoor unit from the air inlet of the indoor unit, and is blown into the indoor environment from the air outlet after passing through the heat exchanger, so that the temperature of the air flow blown to the indoor unit is more uniform, and the influence on the indoor temperature caused by the fact that the fresh air is directly blown into the indoor without heat exchange is avoided.
Further, the utility model discloses an among the air conditioner, through add anion generator, filtration module and the module with the pure and fresh air in the new trend wind channel, handle the new trend that gets into indoor, greatly improve the room air quality, provide more comfortable, healthy, fresh living environment for the user.
furthermore, the air conditioner indoor unit of the utility model is provided with the upper air outlet, the lower air outlet and the two air supply components which are respectively corresponding to the upper air outlet and the lower air outlet, thereby realizing the simultaneous air supply from the upper part to the lower part, having large air supply quantity and being capable of rapidly and effectively improving the indoor air quality; and moreover, the two air supply assemblies can be selectively controlled to respectively and independently operate according to the operation mode of the indoor unit, so that the cooling/heating air supply comfort is improved.
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 present invention will be described in detail hereinafter, by way of illustration and not by way of 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 a schematic view of one direction of an indoor unit of an air conditioner according to an embodiment of the present invention;
Fig. 2 is a schematic view of an air conditioning indoor unit according to an embodiment of the present invention in another direction;
Fig. 3 is a side sectional view of an air conditioning indoor unit according to an embodiment of the present invention;
Fig. 4 is an exploded view of a fresh air duct and a fresh air duct of an indoor unit of an air conditioner according to an embodiment of the present invention;
Fig. 5 is an exploded view of a fresh air duct and a fresh air duct of an indoor unit of an air conditioner according to an embodiment of the present invention, in which components inside the fresh air duct are shown;
Fig. 6 is a schematic view of a fresh air duct of an indoor unit of an air conditioner according to an embodiment of the present invention; and
fig. 7 is an exploded view of the air filtering module, the air refreshing module, the anion generator and other components of the indoor unit of the air conditioner according to an embodiment of the present invention.
Detailed Description
The present embodiment provides an air conditioner indoor unit 100, and the air conditioner indoor unit 100 according to the embodiment of the present invention is described below with reference to fig. 1 to 7. In the following description, the orientations or positional relationships indicated by "front", "rear", "up", "down", etc. are orientations based on the indoor unit 100 itself as a reference, and as shown in fig. 1, "front" and "rear" directions are indicated in fig. 1.
in this embodiment, the indoor unit 100 of the air conditioner has an air inlet 111 and at least one air outlet (112, 113), a heat exchanger 130 is disposed in the casing 110 of the indoor unit 100, and the heat exchanger 130 is generally located downstream of the air inlet 111 on the airflow path and configured to exchange heat with the airflow entering from the air inlet 111, so as to adjust the temperature of the indoor environment to reach the temperature set by the user, and provide the user with an indoor environment with a suitable temperature.
the indoor unit 100 includes a fresh air device, besides the indoor unit 100 having substantially the same appearance and performance as those of the indoor unit in the prior art, as shown in fig. 2 to 6, the fresh air device includes a fresh air duct 101, a fresh air duct 120 and a fresh air blower 103, which are disposed in a casing 110 of the indoor unit 100, an inlet end of the fresh air duct 101 is communicated with the outdoor environment, and an outlet end thereof is communicated with a fresh air inlet 122 of the fresh air duct 120, so as to introduce outdoor ambient air into the fresh air duct 120.
The fresh air duct 120 is located on a flow path of fresh air, the fresh air outlet 121a of the fresh air duct 120 is located at the upstream of the air inlet 111 and is communicated with the air inlet 111, so that air flow blown out from the fresh air outlet 121a of the fresh air duct 120 can enter the indoor unit 100 through the air inlet 111 to exchange heat with the heat exchanger 130, and is mixed with indoor air entering from the air inlet 111 and exchanging heat with the heat exchanger 130, and then the air flow is blown into an indoor environment from the air outlets (112, 113), so that when outdoor air is introduced into the indoor environment, the temperature of the air finally blown into the indoor environment from the air outlets (112, 113) is ensured to be uniform and proper, and the comfort experience of a user is.
The fresh air fan 103 is disposed in the fresh air duct 120, and is configured to promote outdoor ambient air to enter the fresh air duct 120 through the fresh air duct 101, flow out of the fresh air outlet 121a, and enter the air inlet 111, so as to accelerate entry of outdoor air, accelerate update of indoor air, and improve indoor air quality more effectively.
The indoor unit 100 of the air conditioner in this embodiment may be an indoor unit 100 of a cabinet air conditioner, and the fresh air duct 120 may be disposed at the bottom of the casing 110 of the indoor unit 100, that is, the bottom of the casing 110 has an accommodating cavity, and the fresh air duct 120 is disposed in the accommodating cavity. The fresh air duct 101 is located at the rear portion of the casing 110 and is communicated with the fresh air inlet 122 of the fresh air duct 120, and accordingly, the fresh air inlet 122 is formed at the rear portion of the fresh air duct 120.
The fresh air duct 120 is further provided with an anion generator 104, the anion generator 104 generates negative oxygen ions, and the negative oxygen ions enter the air inlet 111 of the indoor unit 100 through the fresh air outlet 121a under the action of the fresh air fan 103, and are further sent into a closed indoor environment through the air outlets (112, 113) of the indoor unit 100, so that the air can be effectively purified, an air anion recuperation space is created indoors, and a more comfortable and healthier living environment is provided for users.
further, an air filtration module and an air freshening module 105 may be disposed in the fresh air duct 120, and the air filtration module may be adjacent to the fresh air inlet 122 to purify the outdoor ambient air entering the fresh air duct 120. The air freshening module 105 is located downstream of the air filtration module in the airflow path. Under the action of the fresh air fan 103, outdoor air entering from the fresh air inlet 122 is firstly purified by the air filtering module, then passes through the air freshening module 105, and then enters the air inlet 111 from the fresh air outlet 121a, and enters the indoor unit 100 from the air inlet 111.
Wherein, as shown in fig. 7, the air filtration module can include new trend filter core 106 and new trend filter screen 107, and new trend filter screen 107 can set up in the upper reaches of new trend filter core 106, and dust, large particulate matter etc. in the new trend filter screen 107 filterable air, new trend filter core 106 are an efficient HEPA material, can further the impurity in the effectual filtered air, can get rid of PM2.5, formaldehyde etc. simultaneously.
The air freshening module 105 is a module containing components such as ethanol, essence, deionized water, etc., and can emit fragrance to remove indoor odor.
when the fresh air fan 103 is opened, outdoor environment air enters the fresh air duct 120 through fresh air, the outdoor environment air is firstly filtered through the fresh air filter screen 107, large particulate matters are prevented from entering the room along with the fresh air, then the outdoor environment air passes through the fresh air filter element 106, the fresh air is purified by the fresh air filter element 106, dirty air is removed, then the fresh air passes through the fresh air module 105, the fresh air is subjected to fresh treatment by the fresh air module 105, finally, the fresh air passes through the anion generator 104, the anion generator 104 generates negative oxygen ions, and the fresh air containing the negative oxygen ions is finally sent into the indoor closed room. Therefore, the quality of the air entering the room is improved through the layer-by-layer treatment, and a more comfortable, healthy and fresh living environment is provided for a user.
The indoor unit 100 of the present embodiment may further include an air quality sensor 109 for detecting the air quality of the indoor environment in which the indoor unit 100 is located, and the fresh air fan 103 is configured to be turned on when the air quality detected by the air quality sensor 109 is lower than a preset air quality, so that outdoor ambient air enters the indoor space.
The air quality sensor 109 may be disposed at the air inlet 111, as shown in fig. 2, the air quality sensor 109 is disposed below the air inlet 111, and is located in an accommodating cavity of the casing 110 where the fresh air duct 120 is located, and a rear portion of the accommodating cavity has an opening to communicate the accommodating cavity with the indoor, so that the air quality sensor 109 can accurately detect the air quality of the indoor environment.
Generally, in order to ensure the cooling effect of the indoor unit 100 in summer or the heating effect of the indoor unit in winter, a user air-conditioning room is usually opened with a door or a window for ventilation, and the air quality in the air-conditioning room is seriously not up to the standard under the condition of a long-time closed space or too many people, so that the health of the user is affected. This embodiment is through addding air quality sensor 109, but real-time supervision room air quality to in time open new trend fan 103, to indoor fresh air introduction, improve room air quality.
the air quality monitoring APP bound with the indoor unit 100 in a preset mode can be installed on the mobile terminal of the user, air quality parameters detected by the air quality sensor 109 can be transmitted to the APP in real time, and when the air quality does not reach the standard, the air quality parameters are fed back to the indoor unit 100 to start the fresh air fan 103, the anion generator 104 and the like.
The air quality sensor 109 may include a carbon dioxide concentration detection sensor, a formaldehyde detection sensor, a volatile organic compound detection sensor, and the like. For example, the air quality sensor 109 is a carbon dioxide concentration detection sensor, and the indoor CO2 concentration cannot exceed 0.1%, namely 1000PPM, according to the indoor air quality standard GBT 18883-2002. When the concentration of indoor CO2 is lower than 1000PPM, the fresh air fan 103 and the anion generator 104 can be controlled to be closed, and when the concentration of indoor CO2 is higher than 1000PPM, the fresh air fan 103 and the anion generator 104 are controlled to be opened, so that outdoor fresh air is introduced into the indoor environment, the concentration of indoor CO2 is reduced, indoor air is refreshed, and the air quality of a closed space is improved.
For example, when the indoor CO2 is between 1000-; when the concentration of indoor CO2 is between 1100 and 1200ppm, the fresh air fan 103 operates at a middle windshield (1500 r/min); when the concentration of indoor CO2 is between 1200 and 1300ppm, the fresh air fan 103 operates at a high wind shield (2000 r/min); when the concentration of indoor CO2 is higher than 1300ppm, the fresh air fan 103 can automatically start the negative ion generator 104 while starting the high windshield (2000r/min), and the generated negative oxygen ions are sent into the room, so that the air quality is further improved. When a user manually sets a specific function, the fresh air fan 103 operates according to the rotating speed set by the user, for example, if the user sets the fresh air blocking by remote control, the direct fresh air fan 103 starts a low windshield (900r/min) to operate. Therefore, the indoor unit 100 can be finely adjusted and intelligently adjusted in a high standard, and a more comfortable and healthier living and working environment is provided for users.
As shown in fig. 2 to 6, the fresh air duct 120 includes a fresh air box (not numbered) and a fresh air guiding channel 121 that is communicated with the fresh air box and is bent and extended from the upper portion of the fresh air box to the upper rear direction, and the end of the fresh air guiding channel 121 far away from the fresh air box is formed with the aforementioned fresh air outlet 121 a. The fresh air fan 103, the air filtering module and the air refreshing module 105 are all arranged in the fresh air box. The fresh air fan 103 may be a centrifugal fan, and the rotation axis of the fresh air fan 103 may be parallel to the transverse direction, which is the width direction of the indoor unit 100.
the air filtration module and the air freshening module 105 described above may be replaced periodically to ensure their air handling capacity.
As shown in fig. 7, the fresh air device further includes a filter element box 108 and a box cover 102 disposed in the fresh air duct 120, the fresh air filter element 106 is accommodated in the filter element box 108, one side of the filter element box 108 facing laterally outward has an opening, and the box cover 102 detachably covers the opening. As shown in fig. 1, an opening 115 may be formed in a region of the housing 110 corresponding to the fresh air device, and a cover plate (not shown) may be detachably covered at the opening 115. After the indoor unit 100 is used for a period of time, the user can open the cover plate and the box cover 102 to replace the air filtering module and/or the air freshening module 105.
Referring to fig. 1 to 3 again, in the embodiment, the air inlet 111 of the indoor unit 100 may be formed at the rear portion of the casing 110, the air inlet 111 is a grille-type air inlet, and the fresh air outlet 121a of the fresh air duct 120 is located behind the air inlet 111 and near the lower end of the air inlet 111, so as to save the space occupied by the fresh air duct 120.
The indoor unit 100 of the present embodiment further includes at least one air supply assembly (140, 150) disposed in the casing 110, wherein the air supply assembly (140, 150) is located above the fresh air duct 120, and is configured to promote the air entering from the air inlet 111 to pass through the heat exchanger 130, and then flow from the at least one air outlet (112, 113) to the indoor environment where the indoor unit 100 is located.
As shown in fig. 1 and 3, the number of the air outlets (112, 113) is two, and the two air outlets are an upper air outlet 112 formed on the front side of the upper end of the casing 110 and a lower air outlet 113 formed below the casing 110. The number of the air supply assemblies (140, 150) is two, and the two air supply assemblies are respectively a first air supply assembly 140 located above and a second air supply assembly 150 located below, the first air supply assembly 140 is configured to promote a part of air flow after heat exchange with the heat exchanger 130 to flow into the indoor environment through the upper air outlet 112, and the second air supply assembly 150 is configured to promote a part of air flow after heat exchange with the heat exchanger 130 to flow into the indoor environment through the lower air outlet 113.
as shown in fig. 1 and 3, a plurality of air guiding flaps 160 may be disposed at the upper air outlet 112, and the plurality of air guiding flaps 160 are configured to guide the airflow flowing out of the upper air outlet 112 so as to adjust the air outlet direction of the upper air outlet 112. As shown in fig. 1, the lower outlet 113 has an inclined wind guide surface 114, and the inclined wind guide surface 114 guides the wind flow to the lower side.
the first air supply assembly 140 and the second air supply assembly 150 each include a volute (142, 152) and a centrifugal fan (141, 151) disposed in the volute (142, 152), and the centrifugal fan (141, 151) is configured to promote the airflow after heat exchange with the heat exchanger 130 to flow into the indoor environment from the at least one air outlet (112, 113). That is, the first air supply assembly 140 located above includes an upper scroll 142 located above and an upper centrifugal fan 141 provided in the upper scroll 142, and the second air supply assembly 150 located below includes a lower scroll 152 located below and a lower centrifugal fan 151 provided in the lower scroll 152.
The volutes (142, 152) have a fan inlet and a fan outlet, the upper outlet 112 communicates with and corresponds to the fan outlet of the upper volute 142, the lower outlet 113 communicates with and corresponds to the fan outlet of the lower volute 152, and the first and second air supply assemblies 140, 150 are configured to suck air from the air inlet 111 and cause the air to pass through the heat exchanger 130, and then to be respectively sent into the indoor environment from the upper outlet 112 and the lower outlet 113.
The first air supply assembly 140 and the second air supply assembly 150 may operate simultaneously or independently.
When the first air supply assembly 140 and the second air supply assembly 150 operate independently, indoor air enters the indoor unit 100 from the air inlet 111, outdoor air is sucked into the fresh air duct 120 under the action of the fresh air fan 103, and sequentially enters the indoor unit 100 through the fresh air outlet 121a of the fresh air duct 120 and the air inlet 111 of the casing 110, and after the indoor air and the outdoor air entering the indoor unit 100 exchange heat with the heat exchanger 130, the indoor air and the outdoor air are sent to the indoor unit from the upper air outlet 112 or the lower air outlet 113 under the driving of the first air supply assembly 140 or the second air supply assembly 150, so that the circulation of the indoor and outdoor air is completed while the cooling/heating is realized, the outdoor fresh air is introduced into the indoor environment, and the indoor air quality is improved.
in addition, the indoor unit 100 can selectively control the operation of the first blowing assembly 140 or the second blowing assembly 150 according to the operation mode thereof, so as to improve the blowing comfort.
for example, when the indoor unit 100 is operated to heat, the second air supply assembly 150 is controlled to be turned on, the first air supply assembly 140 is controlled to be turned off, and under the driving of the second air supply assembly 150, the indoor air and the outdoor air after exchanging heat with the heat exchanger 130 are sent to the indoor space through the lower air outlet 113, and because the lower air outlet 113 is located below the casing 110, the hot air blown to the indoor space is firstly concentrated in the lower area of the indoor space, so that the feet and the legs of the user can feel warm first, the heating experience of the user is improved, and the body comfort of the user is improved. In addition, because the density of the hot air is low and the hot air has a rising trend, the hot air blown out from the lower air outlet 113 flows to the whole indoor space from bottom to top, so that the temperature of the whole indoor space is more uniform, and the comfort level of a user is further improved.
When the indoor unit 100 operates in a cooling mode, the first air supply assembly 140 is controlled to be opened, the second air supply assembly 150 is controlled to be closed, indoor air and outdoor air after heat exchange with the heat exchanger 130 are sent to the indoor space through the upper air outlet 112 under the driving of the first air supply assembly 140, and cold air blown to the indoor space is firstly concentrated in the upper area of the indoor space due to the fact that the upper air outlet 112 is located above the machine shell 110 and cannot be directly blown to a human body, and human discomfort caused by the fact that the cold air is blown to the human body directly is avoided. Moreover, since the density of the cold air is high and the cold air tends to fall, the cold air blown out from the upper air outlet 112 flows to the whole indoor space from top to bottom, so that the indoor temperature is more uniform.
When the first air supply assembly 140 and the second air supply assembly 150 operate simultaneously, both the upper air outlet 112 and the lower air outlet 113 of the indoor unit 100 blow air to the indoor space, so that air can be supplied simultaneously from top to bottom, the air supply volume is large, fresh air can be quickly introduced into the indoor environment, and the indoor air quality can be effectively improved more timely.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An indoor unit for an air conditioner, comprising:
A housing having an air inlet and at least one air outlet;
the heat exchanger is arranged in the shell, is positioned on the downstream of the air inlet on the air flow path, and is configured to exchange heat with the air flow entering from the air inlet;
The fresh air duct is arranged in the shell, and on a fresh air flow path, a fresh air outlet of the fresh air duct is positioned at the upstream of the air inlet and is communicated with the air inlet, so that airflow flowing out of the fresh air outlet enters the indoor unit from the air inlet;
the inlet end of the fresh air pipe is communicated with the outdoor environment, and the outlet end of the fresh air pipe is communicated with the fresh air inlet of the fresh air duct;
and the fresh air fan is arranged in the fresh air duct and is configured to promote outdoor environment air to enter the fresh air duct through the fresh air pipe, flow out from the fresh air outlet and enter the indoor unit through the air inlet.
2. The indoor unit according to claim 1, further comprising:
and the negative ion generator is arranged in the fresh air duct to generate negative oxygen ions.
3. The indoor unit according to claim 1, further comprising:
the air filtering module is arranged in the fresh air duct, is close to the fresh air inlet and is used for purifying outdoor environment air entering the fresh air duct;
and the air refreshing module is arranged in the fresh air duct, is positioned at the downstream of the air filtering module on the air flow path and is used for refreshing air.
4. the indoor unit according to claim 1, further comprising:
An air quality sensor configured to detect air quality of an indoor environment in which the indoor unit is located;
The fresh air fan is configured to be started when the air quality detected by the air quality sensor is lower than the preset air quality, so that outdoor environment air enters indoors, and the indoor air quality is improved.
5. The indoor unit according to claim 1, wherein the indoor unit further comprises a cover for covering the indoor unit
The indoor unit of the air conditioner is an indoor unit of a cabinet air conditioner;
The fresh air duct is arranged at the bottom of the shell;
the fresh air pipe is positioned at the rear part of the shell.
6. The indoor unit according to claim 5, wherein the indoor unit further comprises a guide member for guiding the air flow in the air flow direction
The air inlet is formed at the rear part of the shell;
And a fresh air outlet of the fresh air duct is positioned behind the air inlet and close to the lower end of the air inlet.
7. The indoor unit according to claim 5, further comprising:
and the air supply assembly is arranged in the shell, is positioned above the fresh air duct and is configured to promote air entering from the air inlet to pass through the heat exchanger and then flow to the indoor environment where the indoor unit is positioned from the at least one air outlet.
8. The indoor unit according to claim 7, wherein the indoor unit further comprises a cover for covering the indoor unit
the two air outlets are respectively an upper air outlet formed on the front side of the upper end of the machine shell and a lower air outlet formed below the machine shell;
The two air supply assemblies are respectively a first air supply assembly positioned above and a second air supply assembly positioned below, the first air supply assembly is configured to enable partial air flow after heat exchange with the heat exchanger to flow into the indoor environment from the upper air outlet, and the second air supply assembly is configured to enable partial air flow after heat exchange with the heat exchanger to flow into the indoor environment from the lower air outlet.
9. The indoor unit according to claim 7, wherein the indoor unit further comprises a cover for covering the indoor unit
the air supply assembly comprises a volute and a centrifugal fan arranged in the volute, and the centrifugal fan is configured to enable airflow subjected to heat exchange with the heat exchanger to flow into the indoor environment from the at least one air outlet.
10. the indoor unit according to claim 8, further comprising:
And the plurality of air guide swing blades are arranged at the upper air outlet and are configured to guide the air flow flowing out of the upper air outlet so as to adjust the air outlet direction of the upper air outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920296025.9U CN209744533U (en) | 2019-03-08 | 2019-03-08 | Indoor machine of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920296025.9U CN209744533U (en) | 2019-03-08 | 2019-03-08 | Indoor machine of air conditioner |
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| CN209744533U true CN209744533U (en) | 2019-12-06 |
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| CN111076300A (en) * | 2019-12-27 | 2020-04-28 | 宁波奥克斯电气股份有限公司 | Machine in new trend device and air conditioning |
| CN111207448A (en) * | 2020-03-03 | 2020-05-29 | 宁波奥克斯电气股份有限公司 | Cabinet air conditioner, air outlet control method thereof and computer readable storage medium |
| CN111288554A (en) * | 2020-03-27 | 2020-06-16 | 海信（山东）空调有限公司 | Cabinet air conditioner |
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| 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 |
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