CN112728643A - Indoor machine of floor air conditioner - Google Patents

Indoor machine of floor air conditioner Download PDF

Info

Publication number
CN112728643A
CN112728643A CN202110130467.8A CN202110130467A CN112728643A CN 112728643 A CN112728643 A CN 112728643A CN 202110130467 A CN202110130467 A CN 202110130467A CN 112728643 A CN112728643 A CN 112728643A
Authority
CN
China
Prior art keywords
air
indoor unit
cavity
air inlet
outlet
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
CN202110130467.8A
Other languages
Chinese (zh)
Inventor
辛涛
郝本华
樊明敬
曹高华
李国行
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
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home 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 Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202110130467.8A priority Critical patent/CN112728643A/en
Publication of CN112728643A publication Critical patent/CN112728643A/en
Priority to PCT/CN2021/127651 priority patent/WO2022160834A1/en
Pending legal-status Critical Current

Links

Images

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
    • F24F1/0011Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022Centrifugal or radial fans
    • 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
    • F24F1/0035Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • 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
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • 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
    • F24F1/0071Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters

Abstract

The invention provides an indoor unit of a floor air conditioner. Wherein the floor air conditioner indoor unit includes: the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein a cavity is defined in the shell, the back side of the shell is provided with the first air inlet and the second air inlet from top to bottom, the front side of the shell is provided with the first air outlet and the second air outlet from top to bottom, and the first air inlet is configured to enable air in an indoor environment where an indoor unit of the vertical air conditioner is located to enter the cavity; the main body part is arranged in the cavity, is configured to exchange heat for air entering the cavity from the first air inlet and blows out the air after heat exchange through the first air outlet; and the fresh air system is arranged below the main body part, is configured to enable air of an outdoor environment to enter the cavity and blow out through the second air outlet. According to the vertical air conditioner indoor unit, the traditional air outlet is realized through the main body part, the fresh air function is realized through the fresh air system, the problem that indoor environment air is dirty is solved, the air supply quality of the air conditioner is improved, the air supplied to the room is purified, and the use comfort of a user is improved.

Description

Indoor machine of floor air conditioner
Technical Field
The invention relates to the technical field of household appliances, in particular to an indoor unit of a vertical air conditioner.
Background
With the development of society and the increasing living standard of people, various air conditioning devices have become one of the indispensable electrical devices in people's daily life. Various air conditioning devices can help people to reach a temperature that can be adapted to when the ambient temperature is too high or too low.
The current air conditioning adjusting device mainly comprises various air conditioners and fans, and the air conditioners can be divided into vertical type, wall-mounted type, ceiling type and the like according to different setting modes. Among them, the vertical air conditioner is mainly used in public places such as living rooms, schools, hospitals and the like with large areas, and these places are activity places with large personnel density. For these closed places, due to the activity of people, various particle pollutants, such as dust, PM2.5 and the like, can be mixed, the service life of the air conditioner can be affected if the pollutants stay in the air conditioner, and the comfort of users can be affected if the pollutants are blown out to the indoor space and cannot be improved.
The existing air conditioner without a fresh air system is easy to cause indoor air turbidity and air quality reduction after long-time operation. The air conditioner with the fresh air system always supplies fresh air independently, and the position of a fresh air hole is low, so that the fresh air is difficult to be sent into the whole user room.
Disclosure of Invention
The invention aims to solve the problem of air pollution of indoor environment and improve the air supply quality of an air conditioner.
A further object of the present invention is to increase the air output while avoiding blow-through, thereby improving the user experience.
In particular, the present invention provides a floor air conditioner indoor unit, comprising: the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein a cavity is defined in the shell, the back side of the shell is provided with the first air inlet and the second air inlet from top to bottom, the front side of the shell is provided with the first air outlet and the second air outlet from top to bottom, and the first air inlet is configured to enable air in an indoor environment where an indoor unit of the vertical air conditioner is located to enter the cavity; the main body part is arranged in the cavity, is configured to exchange heat for air entering the cavity from the first air inlet and blows out the air after heat exchange through the first air outlet; and the fresh air system is arranged below the main body part, is configured to enable air of an outdoor environment to enter the cavity and is blown out through the second air outlet.
Optionally, the fresh air system includes: a centrifugal fan, wherein the rotation axis of an impeller of the centrifugal fan is in a vertical direction; the air duct is arranged below the centrifugal fan, and a containing cavity communicated with the inlet of the centrifugal fan is limited in the air duct.
Optionally, the air duct includes a front air duct plate and a rear air duct plate, and the rear air duct plate is provided with a fresh air inlet.
Optionally, the front air duct plate and the rear air duct plate are fixed by a buckle and a screw, and the centrifugal fan is fixed with the air duct by a screw.
Optionally, the fresh air system further comprises: and the air inlet pipeline assembly is configured to penetrate through the second air inlet to be connected with the fresh air inlet so as to enable air of an outdoor environment to enter the accommodating cavity.
Optionally, the air inlet duct assembly comprises: one end of the fresh air pipe is connected with the fresh air inlet in a clamping way; a fixing collar configured to fix the other end of the fresh air duct to a wall of the indoor environment; and the air inlet protective pipe is connected with the fixed clamping ring and is configured to prevent foreign matters or rainwater in the air of the outdoor environment from entering the accommodating cavity.
Optionally, the fresh air system further comprises: and the dust filtering net is arranged in the accommodating cavity and is configured to filter the air entering the outdoor environment of the accommodating cavity.
Optionally, the fresh air system further comprises: the air outlet protection structure is fixedly connected with an outlet of the centrifugal fan, and a protective net is arranged in a clamping groove of the air outlet protection structure.
Optionally, the air outlet direction at the second air outlet is inclined upwards to mix with the air blown out from the first air outlet.
Optionally, the main body portion comprises: the heat exchanger is configured to exchange heat for air entering the cavity from the first air inlet; and the fan is configured to blow out the air after heat exchange through the first air outlet.
The invention relates to a floor air conditioner indoor machine, comprising: the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein a cavity is defined in the shell, the back side of the shell is provided with the first air inlet and the second air inlet from top to bottom, the front side of the shell is provided with the first air outlet and the second air outlet from top to bottom, and the first air inlet is configured to enable air in an indoor environment where an indoor unit of the vertical air conditioner is located to enter the cavity; the main body part is arranged in the cavity, is configured to exchange heat for air entering the cavity from the first air inlet and blows out the air after heat exchange through the first air outlet; and the fresh air system is arranged below the main body part, is configured to enable air of an outdoor environment to enter the cavity and is blown out through the second air outlet. Traditional air-out is realized through the main part, realizes the new trend function through the new trend system, effectively solves the dirty problem of indoor ambient air, promotes the air supply quality of air conditioner, and high-efficient purification is sent to indoor air, improves the user and uses the travelling comfort.
Further, the indoor unit of the floor air conditioner of the present invention, the fresh air system comprises: centrifugal fan, the axis of rotation of its impeller is vertical direction, can realize centrifugal fan lower part air inlet, and anterior air-out avoids setting up extra structural change wind direction, effectively simplifies the air supply structure, reduces and occupies the volume. The air inlet protective pipe is configured to prevent foreign matters or rainwater in the air of the outdoor environment from entering the accommodating cavity; the dust filter screen is configured to filter air entering the outdoor environment of the accommodating cavity, and air supply quality can be further improved. The air outlet direction at the second air outlet is in the slant direction to mix with the wind that the first air outlet blew out, avoid directly blowing when increasing the air output, promote user's use and experience.
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 a schematic front view of an indoor unit of a floor air conditioner according to an embodiment of the present invention;
figure 2 is a schematic side view of an indoor unit of a floor air conditioner according to one embodiment of the present invention;
fig. 3 is a schematic view showing the overall structure of a fresh air system in an indoor unit of a floor air conditioner according to an embodiment of the present invention;
FIG. 4 is a schematic view of the overall structure of the new air system of FIG. 3 from another perspective; and
fig. 5 is a partially exploded view of the fresh air system of fig. 3.
Detailed Description
The embodiment provides a floor air conditioner indoor unit, which can double purify air and effectively improve the indoor air quality. Fig. 1 is a front view schematically illustrating a vertical air conditioner indoor unit 100 according to an embodiment of the present invention, fig. 2 is a side view schematically illustrating the vertical air conditioner indoor unit 100 according to an embodiment of the present invention, fig. 3 is an overall view schematically illustrating a fresh air system 200 of the vertical air conditioner indoor unit 100 according to an embodiment of the present invention, fig. 4 is an overall view schematically illustrating another view of the fresh air system 200 of fig. 3, and fig. 5 is an exploded view illustrating a portion of the fresh air system 200 of fig. 3. As shown in fig. 1 to 5, the indoor unit 100 of the floor type air conditioner may generally include: a housing 110, a main body portion (not shown), and a fresh air system 200.
The interior of the casing 110 defines a cavity, the rear side of the casing 110 is provided with a first air inlet 113 and a second air inlet 114 from top to bottom, the front side of the casing 110 is provided with a first air outlet 115 and a second air outlet 116 from top to bottom, and the first air inlet 113 is configured to allow air in an indoor environment where the indoor unit 100 of the floor air conditioner is located to enter the cavity. For example, if the floor air conditioner indoor unit 100 is installed in a living room, the first air inlet 113 may be configured to allow air in the living room to enter the cavity.
In a specific embodiment, the housing 110 may be a cuboid, and the housing 110 may include a front panel 111 and a rear panel 112, wherein the upper middle portion of the front panel 111 is opened with a first air outlet 115, and the lower portion of the front panel 111 is opened with a second air outlet 116. The middle upper portion of the rear panel 112 is provided with a first air inlet 113. The first air inlet 113 may be provided in the form of an air inlet grid, and can suck air in the indoor environment into the cavity in different directions and achieve a certain coarse filtering effect. The lower portion of the rear panel 112 may be formed with a second air inlet 114, and the second air inlet 114 may be a circular hole.
In addition, the housing 110 may further include: a top cover which can be disposed on the top of the front panel 111 and the rear case 112, and a base which can be disposed on the bottom of the front panel 111 and the rear case 112. The top cover and the base can effectively improve the overall aesthetic degree of the indoor unit 100 of the floor air conditioner.
And a main body part disposed in the cavity, configured to exchange heat with air entering the cavity through the first air inlet 113, and to blow out the air after heat exchange through the first air outlet 115. As mentioned above, the first air inlet 113 is configured to allow air from the indoor environment in which the indoor unit 100 of the floor air conditioner is located to enter the cavity. The main body part exchanges heat and blows out air of the indoor environment entering the cavity.
The body portion may generally include: a heat exchanger and a fan. Wherein the heat exchanger is configured to exchange heat with air entering the cavity from the first air inlet 113. The fan may be configured to blow out the heat-exchanged air through the first outlet port 115. The shape of the heat exchanger can be matched with the first air inlet 113, so that the air passing through the first air inlet 113 completely enters the heat exchanger for heat exchange, and the air after heat exchange is blown out through the first air outlet 115 by the fan. And the fan can be arranged in various types according to actual conditions, such as a centrifugal fan, an axial flow fan, a cross flow fan and the like. In a preferred embodiment, the fan is a cross-flow fan, and is also matched with the first air outlet 115, so that the air output and the air output efficiency can be effectively improved.
The floor air conditioner indoor unit 100 may further include: and an air guide plate (not shown) configured to controllably open and close the first outlet 115. Generally, when the indoor unit 100 of the floor air conditioner is in the shutdown state, the air deflector closes the first air outlet 115, so as to prevent the pollutants in the indoor ambient air from entering the interior of the housing 110 through the first air outlet 115. When the indoor unit 100 of the floor air conditioner is in the on state, the air guide plate opens the first air outlet 115, so that the air treated inside the indoor unit 100 of the floor air conditioner is delivered to the room through the first air outlet 115. Treated air, which refers to indoor ambient air entering the cavity, is blown out via heat exchanger heat exchange and a fan. More preferably, a filtering component may be further provided to ensure that the air delivered to the room through the first air outlet 115 meets the health requirements of the user.
The fresh air system 200 may be disposed below the main body portion, and configured to allow air in an outdoor environment to enter the cavity, exchange heat with the air, and then blow out through the second air outlet 116. That is, the main body portion treats the indoor ambient air entering the cavity, while the fresh air system 200 treats the outdoor ambient air entering the cavity. The two combines effectively to solve the dirty problem of indoor ambient air, promotes the air supply quality of air conditioner, and the high-efficient air that purifies sends to indoor improves user's use travelling comfort.
Specifically, the fresh air system 200 realizes the fresh air function, and can provide fresh air indoors without windowing and air exchange. The fresh air of the nature can be enjoyed without opening the window, the health requirement of the human body is met, and the energy loss is reduced. Can also effectively remove mould and peculiar smell, discharge the damp and dirty air in the room, eliminate peculiar smell, prevent mould and breed bacteria, and is beneficial to prolonging the service life of buildings and furniture. And the noise pollution is reduced, the disturbance of a window opening belt is not needed to be endured, and the indoor environment is quieter and more comfortable. Can also expel harmful gases, effectively expel various unhealthy or harmful gases such as formaldehyde, oil smoke peculiar smell, carbon dioxide, cigarette smell, bacteria, virus and the like, and can avoid the family from being deeply harmed. Avoid windowing and bring a large amount of dust, effective filter chamber outside air, guarantee the air of entering room clean. The fresh air system 200 can also reduce energy consumption while adjusting the room temperature. Avoiding windowing can also avoid the potential safety hazards of property and personal caused by windowing.
In a preferred embodiment, the wind outlet direction at the second wind outlet 116 is inclined upward to mix with the wind blown out from the first wind outlet 115. Through two air outlet air-outs about like this, can avoid directly blowing when increasing the air output to can avoid the user to influence healthy because of directly blowing the air supply, and can make the air-out soft, greatly promote user's use and experience. Structurally, the traditional cabinet air conditioner makes full use of partial space, increases the fresh air system 200, increases the air output of the indoor unit 100 of the vertical air conditioner, increases the distance of air supply, can also effectively avoid direct blowing, and improves the air supply quality.
As shown in fig. 3 to 5, the fresh air system 200 may include: a centrifugal fan 210 and a duct 220. Wherein the rotation axis of the impeller of the centrifugal fan 210 is a vertical direction. That is, it can be understood that the centrifugal fan 210 is disposed in the cavity transversely, and the inlet 211 of the centrifugal fan realizes lower air inlet and the outlet 212 of the centrifugal fan realizes front air outlet. The centrifugal fan 210 may include a centrifugal fan and a motor, wherein the centrifugal fan has a large impeller diameter and a short length, and the impeller is surrounded by a volute. Air enters from the center of the impeller, flows through the vanes in the direction of the radius of the impeller, and is collected in the direction of the volute and discharged at outlet 212. Since the air flow is mainly centrifugal, it is called a centrifugal fan 210. The centrifugal fan 210 has a greater wind pressure than other types of fans, thereby facilitating the entry of air from the outdoor environment into the cavity.
The air duct 220 is disposed below the centrifugal fan 210, and defines therein a receiving chamber 221 communicating with the inlet 211 of the centrifugal fan 210. It should be noted that the receiving cavity 221 may be regarded as a part of the overall cavity and is located at the lower part of the overall cavity. Air entering the outdoor environment of the accommodating chamber 221 enters the centrifugal fan 210 through the inlet 211 below the centrifugal fan 210.
The air duct 220 may include a front air duct plate 222 and a rear air duct plate 223, wherein the rear air duct plate 223 is opened with a fresh air inlet 224. In a specific embodiment, the front air duct plate 222 and the rear air duct plate 223 are fixed by a snap and a screw, and the centrifugal fan 210 is fixed with the air duct 220 by a screw. The fixing manner facilitates the assembly of the front air duct plate 222 and the rear air duct plate 223, and also facilitates the fixing of the centrifugal fan 210 and the air duct 220.
In addition, the fresh air system 200 may further include: and the air inlet pipeline assembly 230 is configured to pass through the second air inlet 114 and be connected with the fresh air inlet 224, so that air in the outdoor environment enters the accommodating cavity 221. Specifically, the intake duct assembly 230 may include: fresh air pipe 231, fixing clamp ring 232 and air inlet protective pipe 233.
Wherein, one end of the fresh air pipe 231 is clamped at the fresh air inlet 224. In practice, one end of the fresh air pipe 231 is connected to the fresh air inlet 224 after passing through the second air inlet 114. Specifically, the fresh air inlet 224 may be provided with a snap, and one end of the fresh air pipe 231 may be correspondingly provided with a rotary slot 234. Therefore, one end of the fresh air pipe 231 can be easily clamped with the fresh air inlet 224 after passing through the second air inlet 114, and the structure is simple and reasonable.
Securing collar 232 is configured to secure the other end of fresh air duct 231 to a wall of an indoor environment. Therefore, the phenomenon that the fresh air pipe 231 is easy to move and misplace to influence normal air inlet can be avoided. The air inlet protection pipe 233 is connected to the fixing collar 232, and is configured such that foreign materials or rainwater in the air of the outdoor environment does not enter the accommodating chamber 221. As shown in fig. 4, one side of the air inlet protection pipe 233 facing the outdoor environment may be set as a grill, so that foreign matters in the outdoor environment air can be effectively intercepted, and the air inlet protection pipe 233 with a certain length may also effectively intercept rainwater, and may not enter the fresh air pipe 231, and further may not blow out the accommodating chamber 221. The air intake protective pipe 233 can effectively improve the air supply quality of the fresh air system 200.
In a preferred embodiment, the fresh air system 200 may further include: a dust screen 240. The dust filter 240 may be disposed in the accommodating chamber 221 and configured to filter air entering the outdoor environment of the accommodating chamber 221. As shown in fig. 3 to 5, one side of the rear duct plate 223 and the front duct may be tightly connected, and the other side may have a certain gap for inserting the dust screen 240. In addition, after the front panel 111 and the rear panel 112 are assembled, the gap is not covered, so that a part of the dust filter screen 240 is exposed to the outside, and the part can be provided with a handle, thereby further facilitating the user to take and place, and effectively improving the cleaning convenience.
More preferably, the dust filter screen 240 may be a HEPA (High Efficiency Air cleaning) filter screen. According to international standard, according to the filtration efficiency height, divide into 5 grades with the HEPA filter screen: coarse filter screen, medium filter screen, sub-high efficiency filter screen, high efficiency filter screen and super high efficiency filter screen. Specifically, the dust filter 240 in this embodiment may be a HEPA filter with a grade E11 and a filtering efficiency of 95%; or a HEPA filter screen with the grade H13 and the filtering efficiency of 99.97 percent. In addition, the dust filter 240 may further be provided with an activated carbon layer to further adsorb organic gas, thereby further ensuring that the fresh air system 200 delivers indoor air to meet the health requirements of users.
The specific values of the grade and the filtration efficiency of the dust filter screen 240 are merely examples, and are not intended to limit the present invention. In other embodiments, other levels and filtration efficiencies of the dust screen 240 may be provided depending on the application. The arrangement of the dust filter screen 240 can efficiently purify air sent to the room, and improves the use comfort of users.
The fresh air system 200 may further include: the air outlet protection structure 250 is fixedly connected with the outlet 212 of the centrifugal fan 210, and a protection net 251 is arranged in a clamping groove of the air outlet protection structure 250. The air outlet protection structure 250 may be fixedly connected to the outlet 212 of the centrifugal fan 210 by screws. In a specific embodiment, the protective net 251 disposed in the slot of the air outlet protection structure 250 may be an iron wire.
It should be noted that, the air outlet protection structure 250 and the second air outlet 116 on the front panel 111 are arranged in a matching manner, for example, the shapes and heights of the two are identical, and the second air outlet 116 can expose the air outlet protection structure 250, so that the centrifugal fan 210 can smoothly discharge air. In addition, the second air inlet 114 of the rear panel 112 and the fresh air inlet 224 of the rear air duct plate 223 are also disposed in a matching manner, so that the air inlet pipeline assembly 230 can smoothly pass through the second air inlet 114 and be connected with the fresh air inlet 224.
Fig. 3 shows a view from the front side of the fresh air system 200, while fig. 4 shows a view from the rear side of the fresh air system 200. As shown in fig. 3 and 4, the side of the front air duct plate 222 may be provided with a power supply device electrode 225 for supplying power to the relevant device. In addition, a carbon dioxide sensor 226 may be further provided at the front portion of the front air duct plate 222 to detect the concentration of carbon dioxide. The concentration of carbon dioxide in buildings can have a significant impact on the health of people living and working in them, as even small levels of carbon dioxide, e.g., over 1200PPM indoors, can cause yawning and drowsiness.
Therefore, it becomes necessary to monitor the concentration of carbon dioxide. In some specific embodiments, an infrared carbon dioxide sensor, a catalytic carbon dioxide sensor, or a thermally conductive carbon dioxide sensor may be employed. The infrared carbon dioxide sensor detects carbon dioxide existing in the air by utilizing a non-dispersive infrared (NDIR) principle, and has good selectivity and no oxygen dependence. The catalytic carbon dioxide sensor converts the carbon dioxide concentration detected on site into a standard current signal and outputs the standard current signal. The heat conduction carbon dioxide sensor is manufactured according to the principle that the total heat conductivity coefficient of mixed gas changes along with the content of gas to be analyzed, two arms of a bridge are formed by matching a detection element and a compensation element, the resistance of the detection element is reduced when the detection element meets combustible gas, the resistance of the detection element is increased when the detection element meets non-combustible gas (air background), the bridge circuit outputs voltage variable, the voltage variable is increased in direct proportion along with the increase of the gas concentration, and the compensation element has the functions of reference and temperature compensation. It should be noted that the above-mentioned types of carbon dioxide sensors 226 are merely exemplary and not limiting, and in other embodiments, other types of carbon dioxide sensors 226 may be used.
The indoor unit 100 of the floor air conditioner of the present embodiment includes: a housing 110, wherein a cavity is defined in the housing 110, a first air inlet 113 and a second air inlet 114 are formed in the rear side of the housing 110 from top to bottom, and a first air outlet 115 and a second air outlet 116 are formed in the front side of the housing 110 from top to bottom, wherein the first air inlet 113 is configured to allow air in an indoor environment where the indoor unit 100 of the floor air conditioner is located to enter the cavity; a main body part arranged in the cavity, configured to exchange heat with air entering the cavity from the first air inlet 113, and blow out the air after heat exchange through the first air outlet 115; and a fresh air system 200 disposed below the main body portion and configured to allow air in the outdoor environment to enter the cavity and be blown out through the second air outlet 116. Traditional air-out is realized through the main part, realizes the new trend function through new trend system 200, effectively solves the dirty problem of indoor environment air, promotes the air supply quality of air conditioner, and high-efficient purification is sent to indoor air, improves the user and uses the travelling comfort.
Further, in the indoor unit 100 of the floor air conditioner of the present embodiment, the fresh air system 200 includes: centrifugal fan 210, the axis of rotation of its impeller is vertical direction, can realize centrifugal fan 210 lower part air inlet, and anterior air-out avoids setting up extra structural change wind direction, effectively simplifies the air supply structure, reduces and occupies the volume. The air inlet protection pipe 233 is configured such that foreign substances or rainwater in the air of the outdoor environment do not enter the accommodation chamber 221; the dust filter 240 is configured to filter air entering the outdoor environment of the accommodating chamber 221, and both can further improve the air supply quality. The air outlet direction of the second air outlet 116 is inclined upward to mix with the air blown out from the first air outlet 115, so that the air output is increased while the direct blowing is avoided, and the use experience of the user is improved.
It should be understood by those skilled in the art that, unless otherwise specified, terms used to indicate orientation or positional relationship in the embodiments of the present invention such as "up," "down," "left," "right," "front," "rear," and the like are based on the actual usage state of the indoor unit 100 of the vertical air conditioner, and these terms are only used for convenience of describing and understanding the technical solution of the present invention, and do not indicate or imply that the device or component referred to must have a specific orientation, and therefore, 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. An indoor unit of a floor type air conditioner, comprising:
the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein a cavity is defined in the shell, the rear side of the shell is provided with the first air inlet and the second air inlet from top to bottom, the front side of the shell is provided with the first air outlet and the second air outlet from top to bottom, and the first air inlet is configured to enable air in an indoor environment where an indoor unit of the vertical air conditioner is located to enter the cavity;
the main body part is arranged in the cavity, is configured to exchange heat for the air entering the cavity from the first air inlet, and blows out the air after heat exchange through the first air outlet; and
and the fresh air system is arranged below the main body part and is configured to enable air of an outdoor environment to enter the cavity and be blown out through the second air outlet.
2. An indoor unit for a floor air conditioner according to claim 1, wherein the fresh air system comprises:
a centrifugal fan, wherein the rotation axis of an impeller of the centrifugal fan is in a vertical direction;
and the air duct is arranged below the centrifugal fan, and an accommodating cavity communicated with the inlet of the centrifugal fan is limited in the air duct.
3. An indoor unit for a floor air conditioner according to claim 2,
the air duct comprises a front air duct plate and a rear air duct plate, and a fresh air inlet is formed in the rear air duct plate.
4. An indoor unit for a floor air conditioner according to claim 3,
the front air duct plate and the rear air duct plate are fixed by a buckle and a screw,
the centrifugal fan is fixed with the air duct through screws.
5. An indoor unit for a floor air conditioner according to claim 3, wherein the fresh air system further comprises:
and the air inlet pipeline assembly is configured to penetrate through the second air inlet to be connected with the fresh air inlet, so that the air of the outdoor environment enters the accommodating cavity.
6. The indoor unit of claim 5, wherein the air inlet duct assembly comprises:
one end of the fresh air pipe is connected with the fresh air inlet in a clamping way;
a securing collar configured to secure the other end of the fresh air duct to a wall of the indoor environment; and
the air inlet protective pipe is connected with the fixing clamping ring and is configured to prevent foreign matters or rainwater in the air of the outdoor environment from entering the accommodating cavity.
7. An indoor unit for a floor air conditioner according to claim 2, wherein the fresh air system further comprises:
and the dust filtering net is arranged in the accommodating cavity and is configured to filter the air of the outdoor environment entering the accommodating cavity.
8. An indoor unit for a floor air conditioner according to claim 2, wherein the fresh air system further comprises:
an air outlet protection structure fixedly connected with the outlet of the centrifugal fan and
and a protective net is arranged in the clamping groove of the air outlet protective structure.
9. An indoor unit for a floor air conditioner according to claim 1,
the air outlet direction at the second air outlet is obliquely upward so as to be mixed with the air blown out from the first air outlet.
10. The indoor unit of claim 1, wherein the main body part comprises:
the heat exchanger is configured to exchange heat for air entering the cavity from the first air inlet; and
and the fan is configured to blow out the air after heat exchange through the first air outlet.
CN202110130467.8A 2021-01-29 2021-01-29 Indoor machine of floor air conditioner Pending CN112728643A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110130467.8A CN112728643A (en) 2021-01-29 2021-01-29 Indoor machine of floor air conditioner
PCT/CN2021/127651 WO2022160834A1 (en) 2021-01-29 2021-10-29 Indoor unit of floor air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110130467.8A CN112728643A (en) 2021-01-29 2021-01-29 Indoor machine of floor air conditioner

Publications (1)

Publication Number Publication Date
CN112728643A true CN112728643A (en) 2021-04-30

Family

ID=75594971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110130467.8A Pending CN112728643A (en) 2021-01-29 2021-01-29 Indoor machine of floor air conditioner

Country Status (2)

Country Link
CN (1) CN112728643A (en)
WO (1) WO2022160834A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113566286A (en) * 2021-07-26 2021-10-29 珠海格力电器股份有限公司 Air conditioner and air supply control method
CN113654110A (en) * 2021-08-02 2021-11-16 青岛海尔空调器有限总公司 Floor air conditioner, control method thereof and electronic equipment
WO2022160834A1 (en) * 2021-01-29 2022-08-04 青岛海尔空调器有限总公司 Indoor unit of floor air conditioner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101112B2 (en) * 1993-05-10 1995-11-01 木村工機株式会社 Floor-standing ventilation unit for air conditioning
JP2003343875A (en) * 2003-07-10 2003-12-03 Daikin Ind Ltd Air conditioner with ventilating function
CN107327941B (en) * 2017-08-18 2023-12-26 广东美的制冷设备有限公司 Indoor unit of vertical air conditioner and air conditioner
CN111023297A (en) * 2019-11-25 2020-04-17 宁波奥克斯电气股份有限公司 Cabinet air conditioner
CN211781474U (en) * 2019-12-19 2020-10-27 宁波奥克斯电气股份有限公司 Fresh air device and air conditioner
CN211781472U (en) * 2020-01-17 2020-10-27 宁波奥克斯电气股份有限公司 Machine and air conditioner in air conditioning
CN214536502U (en) * 2021-01-29 2021-10-29 青岛海尔空调器有限总公司 Indoor machine of floor air conditioner
CN112728643A (en) * 2021-01-29 2021-04-30 青岛海尔空调器有限总公司 Indoor machine of floor air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022160834A1 (en) * 2021-01-29 2022-08-04 青岛海尔空调器有限总公司 Indoor unit of floor air conditioner
CN113566286A (en) * 2021-07-26 2021-10-29 珠海格力电器股份有限公司 Air conditioner and air supply control method
CN113654110A (en) * 2021-08-02 2021-11-16 青岛海尔空调器有限总公司 Floor air conditioner, control method thereof and electronic equipment

Also Published As

Publication number Publication date
WO2022160834A1 (en) 2022-08-04

Similar Documents

Publication Publication Date Title
CN112728643A (en) Indoor machine of floor air conditioner
CN107202396B (en) Dual cycle formula new trend system and new fan
WO2019137527A1 (en) Indoor unit of cabinet air conditioner
WO2019137528A1 (en) Suspension type air conditioner indoor unit
CN108386917B (en) Fresh air conditioner indoor unit
WO2022012633A1 (en) Indoor unit of air conditioner and air conditioner
CN214536502U (en) Indoor machine of floor air conditioner
US20220088519A1 (en) Air purifier
CN108240692B (en) Kitchen fresh air system
CN111927802B (en) Air purification electric fan
CN108954500A (en) A kind of fresh air conditioner indoor unit
CN210624761U (en) Indoor ecological health-care system
WO2015114738A1 (en) Air purification device
CN213176182U (en) Fan flow guide structure and fan
CN113864879A (en) Wall-mounted air conditioner indoor unit
CN113864877A (en) Wall-mounted air conditioner indoor unit
CN113864878A (en) Wall-mounted air conditioner indoor unit
CN113864881A (en) Wall-mounted air conditioner indoor unit
CN115992972A (en) Indoor unit of wall-mounted air conditioner
CN208296037U (en) Cabinet type air conditioner indoor set
CN216591952U (en) Fresh air module and air conditioner
CN107435991B (en) Room air purification system
CN217817061U (en) Machine and air conditioner in new trend air conditioning
CN211953081U (en) Air purifier with humidification function
CN214223327U (en) Fresh air system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination