CN114322088A - Air supply structure, air duct machine, central air conditioner and control method - Google Patents
Air supply structure, air duct machine, central air conditioner and control method Download PDFInfo
- Publication number
- CN114322088A CN114322088A CN202210020047.9A CN202210020047A CN114322088A CN 114322088 A CN114322088 A CN 114322088A CN 202210020047 A CN202210020047 A CN 202210020047A CN 114322088 A CN114322088 A CN 114322088A
- Authority
- CN
- China
- Prior art keywords
- air
- air outlet
- central
- outlet
- fresh
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000005057 refrigeration Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 6
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010008479 Chest Pain Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Landscapes
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides an air supply structure, an air duct machine, a central air conditioner and a control method, relates to the technical field of air conditioners, and solves the technical problems that the air outlet structure of the air duct machine is unreasonable, and the comfort level experience of a user is poor. The air port structure comprises an air duct, a front air outlet and a lower air outlet which are communicated with the air duct, and further comprises a switching component which is arranged in the air duct and used for changing the air outlet direction, and air flow can be discharged from the front air outlet or the lower air outlet through the switching component; the air duct machine comprises a machine shell and an air opening structure arranged on the machine shell. The central air conditioner has the advantages that the two air outlets are used for realizing lower air outlet during heating and horizontal air outlet during cooling, cold and heat distribution air supply of the unit is realized, the comfort experience of a human body is met, external fresh air can be introduced by arranging the fresh air outlets, the fresh air function is realized on the basis of the refrigeration and heating functions of the central air conditioner, the experience feeling and the comfort level of a user are further improved, the appearance is attractive, the practicability is high, and the like.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air supply structure, an air duct machine, a central air conditioner and a control method.
Background
In recent years, as the indoor unit of the household central air conditioner is installed in a suspended ceiling (also called a ducted air conditioner), the household central air conditioner has the advantages of attractive installation and small occupied space, and the market share is continuously increased. The existing main stream air duct machine only has one air outlet, horizontal air supply during refrigeration cannot be achieved, air supply is performed downwards during heating, and the user comfort level experience is poor. In addition, the existing main stream air pipe machine structure influences the refrigeration or heating effect of the unit and further influences the energy efficiency for avoiding mutual interference of air inlet and air return, and most of air outlet and air return are on two surfaces which are perpendicular to each other, so that the appearance is not attractive, and the installation cost is not saved. More and more users are demanding products with both supply and return air in one direction. And because when using the air conditioner, need close door and window tightly, when the user waits for a long time in the air-conditioned room, because the reduction of room oxygen content can cause the bad experience of user chest distress short of breath, more and more users hope to increase new trend function in the air conditioner.
Disclosure of Invention
The invention aims to provide an air supply structure, an air duct machine, a central air conditioner and a control method, and aims to solve the technical problems that an air outlet structure of the air duct machine is unreasonable and the comfort level experience of a user is poor in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides an air port structure which comprises an air duct, a front air outlet and a lower air outlet, wherein the front air outlet and the lower air outlet are communicated with the air duct, the air port structure also comprises a switching component which is arranged in the air duct and used for changing the air outlet direction, and air flow can be discharged from the front air outlet or from the lower air outlet through the switching component.
As a further improvement of the present invention, the switching assembly includes an air plate and a driving member, the air plate is rotatably disposed in the air duct, and the driving member is drivingly connected to the air plate to drive the air plate to rotate in the air duct.
As a further improvement of the invention, two side walls of the air duct are respectively provided with a heating closing point and a refrigerating closing point, and when the air plate is abutted against the heating closing point after being rotated, the air duct is communicated with the front air outlet to perform horizontal air outlet for refrigeration; and the air duct is connected with the lower air outlet after the air plate rotates and abuts against the refrigeration closing point so as to heat and discharge air.
As a further improvement of the invention, the tuyere structure further comprises a lower air return opening and a rear air return opening.
As a further improvement of the invention, the lower air return inlet and the lower air outlet are arranged side by side in tandem.
As a further improvement of the invention, the tuyere structure further comprises a fresh air tuyere.
As a further improvement of the invention, the front air outlet, the lower air outlet and/or the fresh air inlet are/is provided with flange edges which are convenient to install.
As a further improvement of the invention, the fresh air inlet and the rear return air inlet are arranged side by side up and down; or the fresh air inlet, the lower air outlet and the lower air return inlet are arranged from front to back in sequence.
As a further improvement of the invention, a fresh air valve is arranged on the fresh air inlet.
As a further improvement of the invention, the fresh air inlet is also provided with a fresh air fan.
As a further improvement of the invention, filter screens are arranged on the front air outlet, the lower air return inlet, the rear air return inlet and/or the fresh air inlet.
The invention provides an air duct machine which comprises a machine shell and an air opening structure arranged on the machine shell.
As a further improvement of the invention, the heat exchanger further comprises a cross-flow fan blade and a heat exchanger which are arranged in the casing, wherein the cross-flow fan blade is arranged on the downwind side of the heat exchanger.
As a further improvement of the invention, the front air outlet and the lower air outlet are both arranged on the high-pressure airflow side of the cross-flow fan blade; and a lower air return inlet and a rear air return inlet in the air inlet structure are both arranged on the low-pressure airflow side of the cross-flow fan blade.
The invention provides a central air conditioner which comprises an air duct machine arranged on a suspended ceiling.
As a further improvement of the invention, a first engineering air port and a second engineering air port are respectively arranged on the suspended ceiling corresponding to the front air outlet and the lower air outlet, and the specification of the first engineering air port is larger than that of the front air outlet; and the specification of the second engineering air port is greater than that of the lower air outlet.
As a further improvement of the invention, a grid plate is arranged on the first engineering tuyere, or the grid plates are arranged on both the first engineering tuyere and the second engineering tuyere.
As a further improvement of the invention, the front air outlet and the lower air outlet are respectively connected with the corresponding first engineering air port and the second engineering air port in a sealing way through flexible pipelines; the rear side of the casing is provided with a fresh air port, and the fresh air port is connected with the external environment through a flexible pipeline.
As a further improvement of the invention, the flexible pipeline is made of canvas materials.
As a further improvement of the invention, a gap is arranged between the second engineering tuyere and the bottom of the machine shell.
As a further development of the invention, the gap is greater than 15 mm.
The invention provides a control method for controlling a central air conditioner, which comprises the following steps:
step 100, starting the central air conditioner, and blowing hot air out through a lower air outlet when the central air conditioner is set to be in a heating mode; when the refrigeration mode is set, cold air is exhausted through the front air outlet;
and 200, when the central air conditioner operates, the opening or closing of a fresh air valve on a fresh air inlet is determined according to the operating state of the central air conditioner.
As a further improvement of the invention, the operation state of the central air conditioner comprises an internal circulation state, a fresh air one-key state and an external circulation state.
As a further improvement of the invention, when the central air conditioner is in an internal circulation state, the opening and closing of the fresh air valve on the fresh air inlet are determined by the starting time of the central air conditioner and the indoor temperature.
As a further improvement of the invention, after the starting time of the central air conditioner reaches the set time, the fresh air valve is closed; when the relation between the indoor temperature T and the set temperature T0 of the central air conditioner is | T-T0| less than or equal to 3, the fresh air valve is opened.
As a further improvement of the invention, when the central air conditioner is in a one-key fresh air state and an external circulation state, the fresh air damper is always in an open state.
As a further improvement of the invention, the set time of the central air conditioner is 3 minutes.
As a further improvement of the present invention, in step 100, when the air conditioner is in the heating mode, the air plate in the switching assembly rotates to the cooling closing point, and hot air is blown out through the lower air outlet; when the refrigeration mode is adopted, the air plate in the switching assembly rotates to a refrigeration closing point, and cold air is blown out through the front air outlet.
Compared with the prior art, the invention has the following beneficial effects:
the air port structure provided by the invention has two air outlets, realizes lower air outlet during heating, realizes horizontal air outlet during cooling, realizes cold and hot distribution air supply of a unit, accords with human body comfort experience, solves the industrial problems, can introduce external fresh air through the arrangement of the fresh air port, realizes the fresh air function on the basis of the refrigeration and heating functions of a central air conditioner, further improves user experience feeling and comfort level, and has the characteristics of attractive appearance, strong practicability and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the air duct machine of the present invention in a cooling mode;
FIG. 2 is a schematic structural view of the air duct machine of the present invention in a heating mode;
FIG. 3 is a perspective view of the ducted air conditioner of the present invention;
FIG. 4 is a flow chart of air flow when the central air conditioner blows;
FIG. 5 is an airflow diagram of the central air conditioner in a fresh air cooling mode according to the present invention;
FIG. 6 is an airflow diagram of the central air conditioner in fresh air heating mode according to the present invention;
FIG. 7 is an airflow diagram of the central air conditioner in the fresh air free cooling mode according to the present invention;
FIG. 8 is an airflow diagram of the central air conditioner in the fresh air heating mode according to the present invention;
FIG. 9 is an airflow diagram of a central air conditioner in a fresh air heating mode with an alternative embodiment of the fresh air inlet of the ducted air conditioner of the present invention;
fig. 10 is an airflow diagram of a central air conditioner in a fresh air heating mode according to a third embodiment of the fresh air inlet of the ducted air conditioner.
FIG. 1 shows an air duct; 2. a front air outlet; 3. a lower air outlet; 4. a switching component; 5. a lower return air inlet; 6. a rear return air inlet; 7. a fresh air port; 8. a housing; 9. a cross-flow fan blade; 10. a heat exchanger; 11. a first engineering tuyere; 12. a fresh air valve; 13. a fresh air machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1 and 2, the present invention provides an air outlet structure, which includes an air duct 1, a front air outlet 2 and a lower air outlet 3 communicated with the air duct 1, and a switching assembly 4 disposed in the air duct 1 for changing an air outlet direction, wherein the switching assembly 4 enables air to be exhausted from the front air outlet 2 or from the lower air outlet 3.
Specifically, when the central air conditioner heats, the switching component 4 is controlled to move to blow out hot air from the lower air outlet 3, so that a hot air lower air outlet mode is realized, and when the central air conditioner refrigerates, the switching component 4 is controlled to move to blow out hot air from the front air outlet 2, so that a cold air horizontal air outlet mode is realized.
For convenience of control, in the present embodiment, although the front outlet 2 and the lower outlet 3 are respectively disposed on the front side surface and the bottom surface of the casing of the duct type air conditioner, the two outlets are close to each other, the front outlet 2 is disposed at the lower portion of the front side of the casing, and the lower outlet is disposed at the front side of the bottom surface thereof.
Further, switch over subassembly 4 and include aerofoil and driving piece, the rotatable setting of aerofoil is in wind channel 1, and the driving piece is connected with the aerofoil drive to drive the aerofoil at 1 internal rotations in wind channel. Furthermore, the hinged position of the air plate and the air duct 1 is located between the front air outlet 2 and the lower air outlet 3.
As shown in fig. 1 and fig. 2, as an alternative embodiment of the present invention, a heating closing point a and a cooling closing point B are respectively disposed on two side walls of an air duct 1, and when an air plate rotates and abuts against the heating closing point a, the air duct 1 is communicated with a front air outlet 2 to perform cooling horizontal air outlet; when the air plate rotates and abuts against the refrigeration closing point B, the air duct 1 is communicated with the lower air outlet 3 to perform heating and lower air outlet.
As shown in fig. 2 and 8, further, the tuyere structure further includes a lower air return opening 5 and a rear air return opening 6. Two air return inlets are arranged to increase the air return area. The lower air return opening 5 is connected with a second engineering air opening in the suspended ceiling so as to return air through the second engineering air opening, and the rear air return opening 6 returns air through the first engineering air opening in the suspended ceiling.
Specifically, the lower air return opening 5 and the lower air outlet 3 are arranged side by side in tandem, wherein the lower air return opening 5 is arranged close to a low-pressure airflow area of the cross-flow fan blade. It should be noted that, as shown in fig. 1 and fig. 2, the cross-flow fan blade rotates counterclockwise, and can blow the air entering from the air return opening into the air duct 1, and then enter into one of the air outlets through the air duct 1 to be discharged, a high-pressure airflow is formed on the front side, i.e., the upper portion or the front side of the rotation of the cross-flow fan blade, and a low-pressure airflow region is formed at the bottom or the rear right side of the cross-flow fan blade.
As an optional implementation mode of the invention, the air opening structure further comprises a fresh air opening 7, the fresh air opening 7 is positioned at the rear side of the cross-flow fan blade, and the fresh air opening 7 is communicated with the external environment so as to introduce fresh air into the central air conditioner.
As shown in fig. 1 and 2, further, flange edges for facilitating installation are disposed on the front air outlet 2, the lower air outlet 3 and/or the fresh air inlet 7, and are used for connecting with a pipeline made of a flexible material, so as to facilitate installation.
Specifically, in the present embodiment, the fresh air inlet 7 and the rear return air inlet 6 are arranged side by side one above the other; or, as shown in fig. 9 and 10, the fresh air opening 7, the lower air outlet 3, and the lower air return opening 5 are sequentially arranged from front to back, and at this time, the fresh air opening 7 is located at the bottom of the casing 8.
Further, be provided with new trend blast gate on the new trend mouth 7 for open or close new trend mouth 7, it is specific, new trend blast gate can set up at the flexible line end that new trend mouth 7 and external environment are connected, also can set up on the vent that the building wall body was seted up, and flexible line one end is connected with new trend mouth 7, and the other end is connected with the vent.
As shown in fig. 10, as another alternative embodiment of the present invention, a fresh air blower 13 is further disposed on the fresh air port 7, and the fresh air blower 13 is a fresh air blower with a sensible heat exchanger.
Furthermore, filter screens are arranged on the front air outlet 2, the lower air outlet 3, the lower air return inlet 5, the rear air return inlet 6 and/or the fresh air inlet 7.
As shown in fig. 3 and 4, the present invention further provides a duct type air conditioner, which includes a casing 8 and an air opening structure disposed on the casing 8.
The air duct machine is integrally arranged on the suspended ceiling. An engineering air port convenient for air inlet and air return is reserved on the suspended ceiling.
Furthermore, the cross-flow fan blade device also comprises a cross-flow fan blade 9 and a heat exchanger 10 which are arranged in the casing 8, wherein the cross-flow fan blade 9 is arranged on the downwind side of the heat exchanger 10. Here, the downwind direction means a downstream side in the airflow direction. Structural design is in order to make things convenient for after-sales maintenance above adopting, and the cross-flow fan blade is in heat exchanger the place ahead, so the fan also just in the place ahead, and it is just convenient to change the fan after-sales, because the fan is the trouble piece of comparison high frequency.
Further, the front air outlet 2 and the lower air outlet 3 are both arranged on the high-pressure airflow side of the cross-flow fan blade 9; and a lower air return opening 5 and a rear air return opening 6 in the air opening structure are both arranged on the low-pressure airflow side of the cross-flow fan blade 9.
The invention also provides a central air conditioner which comprises the air duct machine arranged on the suspended ceiling.
As shown in fig. 8, specifically, a first engineering air port 11 and a second engineering air port are respectively arranged on the suspended ceiling corresponding to the front air outlet 2 and the lower air outlet 3, and the specification of the first engineering air port 11 is larger than that of the front air outlet 2; the specification of the second engineering air port is larger than that of the lower air outlet 3. The first engineering air inlet 11 is set to be larger than the front air outlet 2 in specification, a part of the first engineering air inlet 11 is used as a return air inlet, and the part of the return air can be sent into the rear return air inlet 6.
Specifically, a grid plate is arranged on the first engineering air port 11, or the grid plates are arranged on both the first engineering air port 11 and the second engineering air port.
Further, the front air outlet 2 and the lower air outlet 3 are respectively connected with the corresponding first engineering air port 11 and the second engineering air port in a sealing way through flexible pipelines; the rear side of the machine shell 8 is provided with a fresh air opening 7, and the fresh air opening 7 is connected with the external environment through a flexible pipeline.
As an alternative embodiment of the present invention, the flexible tubing is made of canvas material.
As an alternative embodiment of the invention, a gap is arranged between the second engineering tuyere and the bottom of the machine shell 8.
In particular, the gap is greater than 15 mm.
As shown in fig. 5 to 10, the present invention provides a control method for a central air conditioner, including the steps of:
step 100, starting the central air conditioner, and blowing hot air out through the lower air outlet when the central air conditioner is set to be in a heating mode as shown in fig. 6, 8, 9 and 10; as shown in fig. 5 and 7, when the cooling mode is set, cold air is discharged through the front air outlet;
and 200, when the central air conditioner operates, the opening or closing of a fresh air valve on a fresh air inlet is determined according to the operating state of the central air conditioner.
Furthermore, the running state of the central air conditioner comprises an inner circulation state, a key fresh air state and an outer circulation state.
Furthermore, when the central air conditioner is in an internal circulation state, the opening and closing of the fresh air valve on the fresh air inlet are determined by the starting time of the central air conditioner and the indoor temperature.
Further, after the starting time of the central air conditioner reaches the set time, the fresh air valve is closed; when the relation between the indoor temperature T and the set temperature T0 of the central air conditioner is | T-T0| less than or equal to 3, the fresh air valve is opened.
Furthermore, when the central air conditioner is in a one-key fresh air state and an external circulation state, the fresh air valve is always in an open state.
The set time for starting the central air conditioner is 3 minutes. That is, when the internal circulation mode is selected, the fresh air damper is closed no matter what mode the central air conditioner is in within 3 minutes after the central air conditioner is started. Supposing that the set temperature of the air conditioner is T0, the indoor temperature is T, | T-T0| is less than or equal to 3, the fresh air valve is opened; when the central air conditioner is closed, the fresh air valve is closed; when entering a key fresh air mode, the central air conditioner forcibly opens the fresh air valve regardless of the temperature condition and the operation mode. When people need to refrigerate in spring and autumn, the mode can be selected to directly introduce fresh air, so that energy is saved and the system is comfortable; when the external circulation mode is selected, the central air conditioner and the fresh air valve are simultaneously opened, and fresh air is always introduced into the room, which is similar to the external circulation mode of an automobile.
In step 100, when the air conditioner is in the heating mode, the air plate in the switching assembly rotates to the refrigeration closing point B, and hot air is blown out through the lower air outlet 3; when the refrigeration mode is adopted, the air plate in the switching assembly rotates to the refrigeration closing point A, and cold air is blown out through the front air outlet 2.
The air port structure provided by the invention has two air outlets, realizes lower air outlet during heating, realizes horizontal air outlet during cooling, realizes cold and hot distribution air supply of a unit, accords with human body comfort experience, solves the industrial problems, can introduce external fresh air through the arrangement of the fresh air port, realizes the fresh air function on the basis of the refrigeration and heating functions of a central air conditioner, further improves user experience feeling and comfort level, and has the characteristics of attractive appearance, strong practicability and the like. Preferably, in the heating mode, the air valve actuator rotates to the point A, and the unit supplies air downwards.
It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in fig. 1 to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (28)
1. An air port structure is characterized by comprising an air duct, a front air outlet and a lower air outlet, wherein the front air outlet and the lower air outlet are communicated with the air duct, the air port structure further comprises a switching assembly which is arranged in the air duct and used for changing the air outlet direction, and air flow can be discharged from the front air outlet or discharged from the lower air outlet through the switching assembly.
2. The tuyere structure of claim 1, wherein the switching assembly comprises a wind plate and a driving member, the wind plate is rotatably disposed in the wind channel, and the driving member is drivingly connected with the wind plate to drive the wind plate to rotate in the wind channel.
3. The tuyere structure of claim 2, wherein a heating closing point and a cooling closing point are respectively disposed on both side walls of the air duct, and when the air plate is rotated and abutted against the heating closing point, the air duct is communicated with the front air outlet to perform cooling horizontal air outlet; and the air duct is connected with the lower air outlet after the air plate rotates and abuts against the refrigeration closing point so as to heat and discharge air.
4. The tuyere structure according to claim 1, further comprising a lower air return and a rear air return.
5. The tuyere structure of claim 4, wherein the lower return air inlet and the lower air outlet are arranged side by side in tandem.
6. The tuyere structure of claim 4, further comprising a fresh air tuyere.
7. The tuyere structure of claim 6, wherein flange edges for facilitating installation are provided on the front outlet, the lower outlet and/or the fresh air inlet.
8. The tuyere structure according to claim 6, wherein the fresh air inlet and the rear air return inlet are arranged side by side one above the other; or the fresh air inlet, the lower air outlet and the lower air return inlet are arranged from front to back in sequence.
9. The tuyere structure of claim 7, wherein a fresh air valve is provided on the fresh air inlet.
10. The tuyere structure of claim 9, wherein a fresh air blower is further provided on the fresh air tuyere.
11. The tuyere structure of claim 6, wherein a filter screen is disposed on the front air outlet, the lower air return inlet, the rear air return inlet and/or the fresh air inlet.
12. A ducted air conditioner comprising a casing and the tuyere structure of any one of claims 1-11 provided on the casing.
13. The duct type air conditioner of claim 12, further comprising a cross-flow fan blade and a heat exchanger disposed within the enclosure, the cross-flow fan blade being disposed on a downwind side of the heat exchanger.
14. The duct type air conditioner according to claim 13, wherein the front air outlet and the lower air outlet are both disposed on a high-pressure airflow side of the cross-flow fan blade; and a lower air return inlet and a rear air return inlet in the air inlet structure are both arranged on the low-pressure airflow side of the cross-flow fan blade.
15. A central air conditioner, characterized by comprising a ducted air conditioner as claimed in any one of claims 12 to 14 mounted on a ceiling.
16. The central air conditioner according to claim 15, wherein a first engineering air port and a second engineering air port are respectively arranged on the ceiling corresponding to the front air outlet and the lower air outlet, and the specification of the first engineering air port is larger than that of the front air outlet; and the specification of the second engineering air port is greater than that of the lower air outlet.
17. The central air conditioner according to claim 16, wherein a grid plate is disposed on the first engineering tuyere, or a grid plate is disposed on both the first engineering tuyere and the second engineering tuyere.
18. The central air conditioner according to claim 16, wherein the front air outlet and the lower air outlet are respectively connected with the corresponding first engineering air port and the second engineering air port in a sealing manner through flexible pipelines; the rear side of the casing is provided with a fresh air port, and the fresh air port is connected with the external environment through a flexible pipeline.
19. The central air conditioner according to claim 18, wherein said flexible pipe is made of canvas material.
20. The central air conditioner according to claim 16, wherein a gap is provided between the second engineering wind opening and the bottom of the cabinet.
21. A central air conditioner according to claim 20, characterized in that the gap is more than 15 mm.
22. A control method for a central air conditioner according to any one of claims 15 to 21, comprising the steps of:
step 100, starting the central air conditioner, and blowing hot air out through a lower air outlet when the central air conditioner is set to be in a heating mode; when the refrigeration mode is set, cold air is exhausted through the front air outlet;
and 200, when the central air conditioner operates, the opening or closing of a fresh air valve on a fresh air inlet is determined according to the operating state of the central air conditioner.
23. The control method of claim 22, wherein the central air-conditioning operation state comprises an inner circulation state, a key fresh air state and an outer circulation state.
24. The control method as claimed in claim 23, wherein when the central air conditioner is in the internal circulation state, the opening and closing of the fresh air damper at the fresh air inlet is determined by the start time of the central air conditioner and the indoor temperature.
25. The control method according to claim 24, wherein the fresh air damper is closed after the starting time of the central air conditioner reaches a set time; when the relation between the indoor temperature T and the set temperature T0 of the central air conditioner is | T-T0| less than or equal to 3, the fresh air valve is opened.
26. The control method according to claim 23, wherein when the central air conditioner is in the one-touch fresh air state and the external circulation state, the fresh air damper is always in the open state.
27. The control method according to claim 25, wherein the set time of the central air conditioner is 3 minutes.
28. The control method according to claim 22, wherein in step 100, when the heating mode is performed, the air plate in the switching assembly rotates to a cooling closing point, and hot air is blown out through the lower air outlet; when the refrigeration mode is adopted, the air plate in the switching assembly rotates to a refrigeration closing point, and cold air is blown out through the front air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210020047.9A CN114322088A (en) | 2022-01-10 | 2022-01-10 | Air supply structure, air duct machine, central air conditioner and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210020047.9A CN114322088A (en) | 2022-01-10 | 2022-01-10 | Air supply structure, air duct machine, central air conditioner and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114322088A true CN114322088A (en) | 2022-04-12 |
Family
ID=81024701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210020047.9A Withdrawn CN114322088A (en) | 2022-01-10 | 2022-01-10 | Air supply structure, air duct machine, central air conditioner and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114322088A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440980A (en) * | 2008-10-27 | 2009-05-27 | 广东美的电器股份有限公司 | Side air-out embedded air conditioner indoor set |
| CN103851695A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN203642349U (en) * | 2013-12-09 | 2014-06-11 | 珠海格力电器股份有限公司 | Air pipe type air conditioner indoor unit |
| CN104019536A (en) * | 2014-06-17 | 2014-09-03 | 珠海格力电器股份有限公司 | Ceiling type air conditioner indoor unit installation method and ceiling type air conditioner |
| CN104048355A (en) * | 2013-03-13 | 2014-09-17 | 江苏心日源建筑节能科技有限公司 | Fan coil device and central air conditioner with same |
| CN105276684A (en) * | 2015-10-26 | 2016-01-27 | 珠海格力电器股份有限公司 | Air conditioner air outlet structure and air conditioner |
| CN105423515A (en) * | 2015-11-17 | 2016-03-23 | 珠海格力电器股份有限公司 | Air port device and air duct machine comprising same |
| CN105485765A (en) * | 2015-12-11 | 2016-04-13 | 珠海格力电器股份有限公司 | Air duct machine, air conditioning system with same and air outlet control method |
| CN109405085A (en) * | 2018-09-30 | 2019-03-01 | 珠海格力电器股份有限公司 | Air duct machine and control method thereof |
| CN109631163A (en) * | 2018-12-19 | 2019-04-16 | 青岛海尔空调电子有限公司 | Air-cooled ducted air conditioner |
| CN209101511U (en) * | 2018-11-29 | 2019-07-12 | 宁波奥克斯电气股份有限公司 | A kind of air inlet structure and air conditioner |
| CN211601065U (en) * | 2019-12-31 | 2020-09-29 | 浙江美尔凯特智能厨卫股份有限公司 | Suspended ceiling air conditioner filter screen, suspended ceiling air conditioner panel and suspended ceiling air conditioner |
| CN113513787A (en) * | 2021-07-08 | 2021-10-19 | 美的集团武汉暖通设备有限公司 | Air duct machine and control method thereof |
| CN114459141A (en) * | 2022-01-10 | 2022-05-10 | 珠海格力电器股份有限公司 | Wind pipe machine furred ceiling mounting structure |
| CN217178726U (en) * | 2022-01-10 | 2022-08-12 | 珠海格力电器股份有限公司 | Air port structure, air duct machine and central air conditioner |
-
2022
- 2022-01-10 CN CN202210020047.9A patent/CN114322088A/en not_active Withdrawn
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440980A (en) * | 2008-10-27 | 2009-05-27 | 广东美的电器股份有限公司 | Side air-out embedded air conditioner indoor set |
| CN103851695A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN104048355A (en) * | 2013-03-13 | 2014-09-17 | 江苏心日源建筑节能科技有限公司 | Fan coil device and central air conditioner with same |
| CN203642349U (en) * | 2013-12-09 | 2014-06-11 | 珠海格力电器股份有限公司 | Air pipe type air conditioner indoor unit |
| CN104019536A (en) * | 2014-06-17 | 2014-09-03 | 珠海格力电器股份有限公司 | Ceiling type air conditioner indoor unit installation method and ceiling type air conditioner |
| CN105276684A (en) * | 2015-10-26 | 2016-01-27 | 珠海格力电器股份有限公司 | Air conditioner air outlet structure and air conditioner |
| CN105423515A (en) * | 2015-11-17 | 2016-03-23 | 珠海格力电器股份有限公司 | Air port device and air duct machine comprising same |
| CN105485765A (en) * | 2015-12-11 | 2016-04-13 | 珠海格力电器股份有限公司 | Air duct machine, air conditioning system with same and air outlet control method |
| CN109405085A (en) * | 2018-09-30 | 2019-03-01 | 珠海格力电器股份有限公司 | Air duct machine and control method thereof |
| CN209101511U (en) * | 2018-11-29 | 2019-07-12 | 宁波奥克斯电气股份有限公司 | A kind of air inlet structure and air conditioner |
| CN109631163A (en) * | 2018-12-19 | 2019-04-16 | 青岛海尔空调电子有限公司 | Air-cooled ducted air conditioner |
| CN211601065U (en) * | 2019-12-31 | 2020-09-29 | 浙江美尔凯特智能厨卫股份有限公司 | Suspended ceiling air conditioner filter screen, suspended ceiling air conditioner panel and suspended ceiling air conditioner |
| CN113513787A (en) * | 2021-07-08 | 2021-10-19 | 美的集团武汉暖通设备有限公司 | Air duct machine and control method thereof |
| CN114459141A (en) * | 2022-01-10 | 2022-05-10 | 珠海格力电器股份有限公司 | Wind pipe machine furred ceiling mounting structure |
| CN217178726U (en) * | 2022-01-10 | 2022-08-12 | 珠海格力电器股份有限公司 | Air port structure, air duct machine and central air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2001090974A (en) | Air-conditioner | |
| CN210511918U (en) | Cabinet air conditioner | |
| CN217178726U (en) | Air port structure, air duct machine and central air conditioner | |
| CN101210713A (en) | Air outlet structure for embedded air-conditioner indoor set | |
| CN109442573A (en) | A kind of air outlet device for air conditioner and air conditioner | |
| CN211650478U (en) | Machine and air conditioner in air conditioning of upper and lower air-out | |
| CN111140934A (en) | Cold air conditioning equipment for kitchen | |
| CN216924551U (en) | Machine and air conditioner in air conditioning | |
| CN217357260U (en) | Air conditioner outdoor unit and air conditioner | |
| CN207094811U (en) | Air treatment module and air conditioner | |
| CN114322088A (en) | Air supply structure, air duct machine, central air conditioner and control method | |
| CN216591968U (en) | Air conditioner indoor unit and air conditioner | |
| CN114593458A (en) | Air outlet structure, air conditioner indoor unit and air conditioner | |
| CN2480753Y (en) | Indoor unit with front and back air inlet and outlet for air conditioner | |
| CN211650479U (en) | Machine and air conditioner in air conditioning of upper and lower air-out | |
| CN114322089A (en) | Air conditioner indoor unit, air conditioner and control method | |
| CN211233092U (en) | Indoor unit and air conditioner with same | |
| CN113803791A (en) | Air conditioner indoor unit, air conditioner and air conditioner control method | |
| CN210740549U (en) | Indoor unit and air conditioner with same | |
| CN207570053U (en) | Air-conditioning equipment | |
| CN113310112A (en) | Indoor machine of air conditioner | |
| CN112303731A (en) | Cabinet air conditioner | |
| CN216522068U (en) | Air conditioning apparatus and system | |
| CN220506988U (en) | Fresh air conditioner indoor unit and fresh air conditioner system | |
| CN210740547U (en) | Indoor unit and air conditioner with same |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220412 |