CN110762636B - Indoor unit and air conditioner - Google Patents
Indoor unit and air conditioner Download PDFInfo
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- CN110762636B CN110762636B CN201911091921.2A CN201911091921A CN110762636B CN 110762636 B CN110762636 B CN 110762636B CN 201911091921 A CN201911091921 A CN 201911091921A CN 110762636 B CN110762636 B CN 110762636B
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- 230000030279 gene silencing Effects 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 13
- 230000009467 reduction Effects 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000552129 Duilius Species 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The application provides an indoor unit and an air conditioner. The indoor unit comprises a first shell (10) and a second shell (15), wherein the first shell (10) is round, the second shell (15) is square, a fan is arranged in the first shell (10), a heat exchanger (14) is arranged in the second shell (15), a first air port (11) is arranged on the first shell (10), a second air port (12) is arranged on the second shell (15), and the heat exchanger (14) is arranged between the first air port (11) and the second air port (12). According to the indoor unit provided by the application, the heat exchanger has a larger heat exchange area, the space where the fan is positioned can be fully utilized, and the structure of the indoor unit is more compact.
Description
Technical Field
The application relates to the technical field of air conditioning, in particular to an indoor unit and an air conditioner.
Background
The existing cabinet air conditioner adopts a centrifugal fan or a cross-flow fan, when a certain air quantity requirement is required to be met, the whole size is overlarge, and when an axial-flow fan is adopted, the whole size required for meeting the same air quantity is smaller.
However, when the round cabinet type air conditioner is adopted, the heat exchange area of the heat exchanger is smaller, so that the heat exchange quantity is still insufficient, and if the cabinet type air conditioner with other shapes is adopted, the heat exchange area of the heat exchanger can be increased, but the problems of overlarge installation space of a fan and insufficient space utilization rate can be caused.
At present, no solution can better solve the problems.
Disclosure of Invention
Therefore, the technical problem to be solved by the application is to provide the indoor unit and the air conditioner, which not only can enable the heat exchanger to have a larger heat exchange area, but also can enable the space of the fan to be fully utilized, so that the structure of the indoor unit is more compact.
In order to solve the problems, the application provides an indoor unit, which comprises a first shell and a second shell, wherein the first shell is round, the second shell is square, a fan is arranged in the first shell, a heat exchanger is arranged in the second shell, a first air port is arranged on the first shell, a second air port is arranged on the second shell, and the heat exchanger is arranged between the first air port and the second air port.
Preferably, the heat exchanger is of annular configuration matching the shape of the second housing.
Preferably, one side of the annular structure is open, and a wind shielding structure is arranged at the opening.
Preferably, the first tuyere is arranged at the top of the first shell, and the first tuyere is an annular tuyere.
Preferably, the second tuyere comprises at least two tuyeres arranged on two opposite side walls of the second housing, and the heat exchanger is arranged between the at least two tuyeres.
Preferably, a connecting section is arranged between the first shell and the second shell, the first end of the connecting section is round and fixedly connected with the first shell, and the second end of the connecting section is square and fixedly connected with the second shell.
Preferably, the fan is a counter-rotating fan.
Preferably, a flow guiding device is arranged at the connecting position of the first shell and the second shell.
Preferably, the flow guiding device comprises a flow guiding ring and a flow rectifying plate arranged in the flow guiding ring, the flow rectifying plate extends along the axial direction of the flow guiding ring, two sides of the flow rectifying plate are connected to the inner wall of the flow guiding ring, and the flow guiding plate divides a flow guiding channel of the flow guiding ring into at least two flow rectifying areas.
Preferably, the number of the rectifying plates is multiple, and the plurality of the rectifying plates are parallel or intersected in the guide ring.
Preferably, the rectifying plate comprises at least two straight plates, wherein the two straight plates are perpendicularly intersected, and the intersection line is located on the central axis of the guide ring.
Preferably, the plurality of rectifying plates are divided into two groups, each rectifying plate in the first group of rectifying plates is parallel to each other, each rectifying plate in the second group of rectifying plates is parallel to each other, and the first group of rectifying plates is perpendicular to the second group of rectifying plates.
Preferably, the inner peripheral wall of the guide ring is provided with a first silencing hole.
Preferably, the guide ring comprises a first inner cylinder and a first outer cylinder, the first inner cylinder is positioned on the inner peripheral side of the first outer cylinder, and a first silencing hole is formed in the first inner cylinder.
Preferably, a transverse baffle is further arranged between the first inner cylinder and the first outer cylinder, the transverse baffle is arranged along the circumferential direction of the guide ring, and a cavity enclosed by the first inner cylinder and the first outer cylinder is divided into at least two along the axial direction.
Preferably, a second inner cylinder is further arranged between the first inner cylinder and the first outer cylinder, and a first silencing hole is formed in the second inner cylinder.
Preferably, a second outer cylinder is arranged between the second inner cylinder and the first outer cylinder, and a first silencing hole is arranged on the second outer cylinder.
Preferably, the thickness of the second inner cylinder is greater than the thickness of the second outer cylinder.
Preferably, the first housing is an upper housing, and the second housing is a lower housing; or, the first shell is a lower shell, and the second shell is an upper shell.
According to another aspect of the present application, there is provided an air conditioner including an indoor unit, the indoor unit being the above-described indoor unit.
The application provides an indoor unit which comprises a first shell and a second shell, wherein the first shell is round, the second shell is square, a fan is arranged in the first shell, a heat exchanger is arranged in the second shell, a first air port is arranged on the first shell, a second air port is arranged on the second shell, and the heat exchanger is arranged between the first air port and the second air port. This indoor set adopts one end casing to be circular, the other end casing is square structure, and set up the heat exchanger in square structure, set up the fan in circular structure, can make full use of the different characteristics of shell structure, set up suitable part in suitable shell structure, thereby can utilize realizing good cooperation between circular casing and the fan, guarantee that this part compact structure, whole machine size is less, can utilize realizing good cooperation between square casing and the heat exchanger simultaneously, guarantee that the heat exchanger of this part structure can have bigger heat exchanger area, do not receive circular casing's restriction, thereby can make the heat exchanger have great heat exchange area, can make the space at fan place obtain abundant utilization again, make the structure of indoor set compacter, structural layout is more reasonable.
Drawings
Fig. 1 is a schematic perspective view of a flow guiding device of an indoor unit according to an embodiment of the present application;
fig. 2 is a schematic cross-sectional structure of a flow guiding device of an indoor unit according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 2;
Fig. 4 is a perspective view of an indoor unit according to an embodiment of the present application;
FIG. 5 is a flow chart of the air flow of the indoor unit under the refrigerating condition according to the embodiment of the application;
FIG. 6 is a flow chart of the air flow of the indoor unit in the heating operation of the embodiment of the application;
fig. 7 is a schematic structural diagram of a heat exchanger of an indoor unit according to an embodiment of the present application.
The reference numerals are expressed as:
1. A guide ring; 2. a rectifying plate; 3. a first sound deadening hole; 4. a first inner cylinder; 5. a first outer cylinder; 6. a second inner cylinder; 7. a second outer cylinder; 8. a transverse baffle; 9. a second sound deadening hole; 10. a first housing; 11. a first tuyere; 12. a second tuyere; 13. a disrotatory fan; 14. a heat exchanger; 15. a second housing; 16. a wind shielding structure; 17. and a connecting section.
Detailed Description
Referring to fig. 1 to 7 in combination, according to an embodiment of the present application, an indoor unit includes a first casing 10 and a second casing 15, the first casing 10 is circular, the second casing 15 is square, a blower is provided in the first casing 10, a heat exchanger 14 is provided in the second casing 15, a first air port 11 is provided on the first casing 10, a second air port 12 is provided on the second casing 15, and the heat exchanger 14 is provided between the first air port 11 and the second air port 12.
This indoor set adopts one end casing to be circular, the other end casing is square structure, and set up heat exchanger 14 in square structure, set up the fan in circular structure, can make full use of the different characteristics of shell structure, set up suitable part in suitable shell structure, thereby can utilize realizing good cooperation between circular casing and the fan, guarantee that this part compact structure, whole machine size is less, can utilize realizing good cooperation between square casing and the heat exchanger simultaneously, guarantee that heat exchanger 14 of this part structure can have bigger heat exchanger area, do not receive the restriction of circular casing, thereby can make heat exchanger 14 have bigger heat transfer area, can make the space that the fan is located obtain abundant utilization again, make the structure of indoor set compacter, structural layout is more reasonable.
In one embodiment, the first housing 10 is an upper housing and the second housing 15 is a lower housing.
In another embodiment, the first housing 10 is a lower housing and the second housing 15 is an upper housing. The heat exchanger 14 has a ring-shaped structure with a shape matching the shape of the second housing 15. Preferably, the heat exchanger 14 is in the shape of a rectangular ring, and the corner positions of the rectangular ring are in transitional connection through an arc structure.
One side of the annular structure is open and a wind shielding structure 16 is arranged at the opening. The opening at one side of the annular structure is used for leaving a space when the heat exchange tubes are arranged, so that the problem that the heat exchange tubes cannot be arranged due to too close structural distance between two ends of the heat exchanger 14 is avoided, and the rationality of the structural arrangement of the heat exchanger 14 is improved. After the opening is left, when the heat exchanger 14 works, air can possibly enter the air duct directly from the opening without heat exchange through the heat exchanger 14, so that the heat exchange effect of the heat exchanger is reduced, and therefore, the opening is blocked by the wind shielding structure 16, so that the air entering the internal air duct can be fully exchanged through the heat exchanger 14, and the heat exchange efficiency of the heat exchanger 14 is improved.
The first wind gap 11 sets up at the top of first casing 10, and first wind gap 11 is annular wind gap to can form wide angle air-out, increase the air supply scope, improve the air supply comfort level.
The second air port 12 includes at least two air ports, the at least two air ports are disposed on two opposite side walls of the second housing 15, and the heat exchanger 14 is disposed between the at least two air ports, so that not only can the air intake be increased when the air is taken in downwards, but also the heat exchange efficiency can be improved, and the air intake can be improved when the air is taken out downwards.
A connecting section 17 is arranged between the first shell 10 and the second shell 15, a first end of the connecting section 17 is round and fixedly connected with the first shell 10, and a second end of the connecting section 17 is square and fixedly connected with the second shell 15.
The connecting section 17 can realize natural transition connection between the first shell 10 and the second shell 15, and can be used for avoiding the difference of structures of the first shell 10 and the second shell 15, so that the two shells are well fixedly connected together, and the connection difficulty is reduced.
The fan is a counter-rotating fan 13.
In the present embodiment, the fan is an axial flow fan, the axial flow fan is disposed in the air duct between the first air port 11 and the second air port 12, and the heat exchanger 14 is disposed at the second air port 12. In the working process of the air conditioner, when the air conditioner is in a refrigerating state, a lower air inlet upper air outlet mode can be selected, so that cold air enters the air duct through the second air opening 12, flows out of the air duct through the first air opening 11, and then bath type air outlet is formed; when in a heating state, a lower air outlet and upper air inlet mode can be selected, so that cold air enters the air channel through the first air port 11 and flows out of the air channel through the second air port 12, and then transpiration type air outlet is formed, and the air outlet comfort level is improved. The first air port 11 is an annular air outlet; and/or the second tuyere 12 comprises two tuyeres arranged opposite each other. In this embodiment, the first air port 11 is an annular air outlet, and the second air port 12 includes a plurality of air ports, so that wide-angle air supply can be realized, and the effects of enhancing convection and heat exchange are achieved.
The axial flow fan is a disrotatory axial flow fan, and the disrotatory axial flow fan comprises an upper axial flow fan blade and a lower axial flow fan blade, and the air supply directions of the upper axial flow fan blade and the lower axial flow fan blade are consistent.
L1 is the minimum clearance between the heat exchanger 14 and the shell, the minimum clearance is 5-100mm, the heat exchanger 14 is provided with a heat exchange surface extending along the length direction of the shell, and the heat exchange surface is an arc surface extending in the circumferential direction.
L2 is that the axial distance of fan subassembly and heat exchanger 14 is 5-500mm, and when the fan was operated, a plurality of axial fan blade air supply direction was unanimous, contains two or more axial fan blade and revolves to opposite directions at least, according to disrotatory axial fan size and reduction wind channel flow loss, design upper portion casing for circularly, can reduce the complete machine size greatly when guaranteeing the amount of wind, the lower part adopts square structural design, can guarantee annular heat exchanger sufficient heat transfer area and arrangement space, can provide sufficient space for the arrangement of other parts such as electrical apparatus box simultaneously, adopts the casing structural design of upper circle below, provides sufficient space for other parts arrangement simultaneously under the circumstances of guaranteeing the complete machine size less.
According to the air duct structure, the annular heat exchanger is adopted, the inner space of the second shell 15 is fully utilized, the heat exchange area of the heat exchanger 14 is increased, the resistance coefficient of the V-shaped heat exchanger is reduced compared with that of the traditional V-shaped heat exchanger, the area of the flow passage clamped by the V-shaped heat exchanger is small as shown in the simulation speed distribution cloud chart of the heat exchanger, an accelerating flow passage is formed, the inlet attack angle is influenced, the performance of fan blades is reduced, the loss is increased, no obvious low-speed area exists on the surface of the annular heat exchanger, the uniform speed distribution is realized, and the annular heat exchanger has better flow characteristics.
TABLE 1 air volume at the same rotational speed for different heat exchangers
As shown in Table 1, the air volumes of the different heat exchangers obtained by simulation at the same rotation speed are known, and the air volumes of the annular heat exchangers are increased by 334m 3/h (upper air outlet) and 396m 3/h (lower air outlet) compared with the air volumes of the V-shaped heat exchangers at the same rotation speed (1400 rpm).
When the air conditioner is in an upper air inlet and lower air outlet mode, air flow enters the first shell from the first air inlet 11, then moves downwards under the action of the axial flow fan, enters the inner peripheral side of the heat exchanger after being guided by the guide device and noise-reduced, and then flows out of the second air inlet 12 of the second shell after heat exchange of the heat exchanger, so that the air flow and the heat exchanger perform full heat exchange, the heat exchange efficiency is improved, and meanwhile, the air flow noise possibly caused by the change of the cross section of the shell at the connecting position of the first shell and the second shell can be effectively reduced by utilizing the structure of the guide device, and the noise quantity is reduced while the air flow efficiency is improved.
When the air conditioner is in a lower air inlet and upper air outlet mode, air flow enters the second shell from the second air inlet 12 of the second shell, enters the inner peripheral side of the heat exchanger after heat exchange of the heat exchanger, then ascends under the action of the axial flow fan, enters the first shell after flow diversion and noise reduction of the flow diversion device when the air conditioner reaches the position of the flow diversion device, and then is blown out from the first air inlet 11 of the first shell under the action of the axial flow fan.
In the structure of the air conditioner in fig. 5, two second air openings 12 are arranged in the circumferential direction of the heat exchanger 14, the structure is a combination surface of two curved surfaces and a plane, the annular heat exchanger is arranged in the inner air duct, the fan assembly is composed of a plurality of axial flow fan blades, a fixing piece and a driving piece, the fan assembly is arranged in the inner air duct and is located above the heat exchanger 14, the fan assembly is preferably 2 axial flow fan blades, namely an upper axial flow fan blade and a lower axial flow fan blade, the air supply directions of the plurality of axial flow fan blades are identical when the fan operates, and the rotation directions of at least two or more axial flow fan blades are opposite.
In fig. 5, a flow diagram of the air flow structure under the refrigeration condition is shown. When the air conditioner is used for refrigerating, as shown by the arrow in fig. 5, the fan driving assembly is used for controlling the multi-axial fan to rotate simultaneously, so that cold air is blown upwards, the air enters into the heat exchange air duct of the air conditioner from the second air opening 12, enters into the annular heat exchanger 14 for heat exchange after being rectified and silenced by the guide ring 1, is blown out from the upper annular air opening, cold air blown out from the air conditioner can be conveyed to a longer distance, the air supply angle is wider, the convection and heat exchange of the air flow are enhanced, and the rapid refrigerating is realized.
In fig. 6, a flow diagram of the air flow structure in the heating operation is shown. When the air conditioner heats, as shown by the arrow in fig. 6, the fan driving assembly controls the multi-axial fan to rotate simultaneously, so that hot air is blown downwards, the air enters into the heat exchange air duct of the air conditioner from the upper annular air opening, enters into the annular heat exchanger 14 for heat exchange after rectification and silencing of the guide ring 1, and is blown out from the lower air opening of the air conditioner, so that hot air in the air conditioner is blown out from the lower part and then rises upwards, and the lower part is provided with a plurality of air openings, so that the air supply distance of the hot air is longer, the air supply range is larger, the cold air and the hot air in the whole space are subjected to convection and heat exchange, the temperature distribution in a room is uniform, and the use comfort of a user is improved.
After the air conditioner runs in the refrigeration mode for a period of time, the fan driving assembly can timely control the multi-axial flow fan to change the original rotation direction, so that cold air is changed from upward air supply to downward air supply, the temperature drop of lower air flow is accelerated, meanwhile, the upper air flow is prevented from being partially supercooled, the temperature change of the air flow in the whole space is balanced, and the convection and heat exchange of cold and hot air in the space are enhanced; meanwhile, after the air conditioner runs in a heating mode for a period of time, the fan driving assembly can also timely control the multi-axial flow fan to change the original rotation direction, so that the hot air is changed from downward air supply to upward air supply, and the temperature rise of the upper air flow is quickened. The position of the air outlet is changed by adjusting the rotating direction of the fan in real time, so that the temperature distribution in the space is uniform, and the use comfort of a user is improved.
A deflector is provided at the connection position of the first housing 10 and the second housing 15.
The flow guiding device comprises a flow guiding ring 1 and a flow guiding plate 2 arranged in the flow guiding ring 1, the flow guiding plate 2 extends along the axial direction of the flow guiding ring 1, two sides of the flow guiding plate 2 are connected to the inner wall of the flow guiding ring 1, and the flow guiding plate 2 divides a flow guiding channel of the flow guiding ring 1 into at least two flow guiding areas.
The guide ring 1 is located between the fan and the heat exchanger 14, and is used for guiding the airflow in the internal air duct, on one hand, guiding and rectifying the airflow flowing through the guide ring 1, and on the other hand, silencing the airflow flowing through the guide ring 1, reducing airflow flowing noise and improving airflow flowing efficiency. The internal air passages described above are respectively communicated with the first air port 11 and the second air port 12.
In this embodiment, the upper edge of the guide ring 1 extends onto the inner wall of the first housing, and the lower edge of the guide ring 1 extends onto the end face of the heat exchanger and corresponds to the inner edge of the heat exchanger.
This guiding device has set up rectification board 2 in guide ring 1, because rectification board 2 is located guide ring 1 inside, and separate into two at least rectification regions through guide ring 1, consequently, not only can utilize guide ring 1 itself to rectify the air current of guide ring 1 inner periphery side, but also can utilize rectification board 2 to rectify the air current that flows through guide ring 1 and be close to rectification board 2 regional, consequently, can carry out the rectification of a greater range and a greater region to the air current that flows through guide ring 1, make the air current that flows through guide ring 1 all can effectively rectify, consequently, can reduce the flow loss that the air current flows in the wind channel disordered way and causes to a greater extent, improve the air current flow efficiency, improve the water conservancy diversion effect of guide ring 1.
The rectifying plate 2 is straight along the axial extension line, so that the rectifying plate 2 can be prevented from bending in the process of extending along the axial direction, a more effective rectifying effect can be achieved, the air flow entering the guide ring 1 can form regular straight-line air flow under the rectifying action of the rectifying plate 2, and the flow loss generated in the air flow flowing process in the air duct can be effectively reduced.
The rectifying plate 2 is a straight plate or an arc plate. In this embodiment, the rectifying plate 2 is a straight plate or an arc plate, specifically, on the basis that an extension line of the rectifying plate along the axial direction is a straight line, the rectifying plate is a straight line or an arc line in a section perpendicular to the extension line. The rectification plate formed under the condition, whether the rectification plate is an arc plate or a straight plate, has a straight rectification effect on the airflow in the flowing direction of the airflow, has good rectification effect, and reduces the flowing resistance of the airflow.
Preferably, the number of the rectifying plates 2 is plural, and the plurality of rectifying plates 2 are parallel or intersected in the guide ring 1. The internal flow channel of the guide ring 1 can be divided into a plurality of rectifying areas by the plurality of rectifying plates 2, so that the flow rate of gas flowing through each rectifying area is limited, and therefore, the rectifying plates 2 on the periphery of each area have more obvious rectifying effect on the gas flow flowing through the area, and the gas flow in the center and the periphery of the guide ring 1 can be effectively rectified, so that better rectifying effect is achieved.
Preferably, the rectifying plate 2 includes at least two straight plates, wherein the two straight plates are perpendicularly intersected, and an intersection line is located on a central axis of the guide ring 1, so that an air flow located in a centremost area and not easily rectified by an inner peripheral wall of the guide ring 1 can be guaranteed, and the air flow can be rectified by the straight plate-shaped rectifying plate 2, so that effective rectification can be guaranteed in each area of a guide channel of the guide ring 1, and the rectifying effect is further improved.
In this embodiment, the number of rectifying plates 2 is plural, the number of rectifying plates 2 is divided into two groups, each rectifying plate 2 in the first group of rectifying plates 2 is parallel to each other, each rectifying plate 2 in the second group of rectifying plates 2 is parallel to each other, and the first group of rectifying plates 2 is perpendicular to the second group of rectifying plates 2. In this embodiment, each group of rectifying plates 2 includes three rectifying plates 2, and six rectifying plates 2 are matched with the guide ring 1 in total, so that the guide channel of the guide ring 1 is divided into 16 rectifying areas, when the fan blows out rotating and irregular air flow, the air flow is guided by the guide ring 1 to flow from the 16 rectifying areas to form regular straight-line air flow, thereby playing the role of an air rectifier and reducing flow loss caused by disordered flow of the air flow in the air duct.
Preferably, the inner peripheral wall of the deflector ring 1 is provided with a first sound deadening hole 3. By arranging the silencing holes on the guide ring 1, the air flow passing through the guide ring 1 can be silenced by utilizing the silencing Kong Duiliu on the guide ring 1, so that the pneumatic noise of the air flow flowing through the guide ring 1 is reduced. Preferably, the aperture of the first sound deadening holes 3 is between 0.5 and 1.5mm, and the interval between adjacent first sound deadening holes 3 is 6mm in the section perpendicular to the central axis, so that a microporous sound deadening cylinder can be formed, which has sound deadening characteristics of wide frequency band, small volume, high efficiency, and the above aperture size is selected, which can also be easily processed and is not easily blocked in use.
The water conservancy diversion circle 1 includes first inner tube 4 and first urceolus 5, and first inner tube 4 is located the inner periphery side of first urceolus 5, is provided with first amortization hole 3 on the first inner tube 4. And a silencing cavity communicated with the first silencing hole 3 is formed between the first inner cylinder 4 and the second inner cylinder 5, so that the noise reduction effect of the guide ring 1 can be further enhanced by utilizing the silencing cavity.
Preferably, a transverse baffle plate 8 is further arranged between the first inner cylinder 4 and the first outer cylinder 5, the transverse baffle plate 8 is arranged along the circumferential direction of the guide ring 1, and a cavity enclosed by the first inner cylinder 4 and the first outer cylinder 5 is divided into at least two along the axial direction. Through setting up transverse baffle 8, can effectively prevent to take place along the sound wave propagation of the axial direction of pipe in the cavity between first inner tube 4 and the first urceolus 5, further improve amortization noise reduction effect.
Preferably, the transverse baffle 8 has a thickness of 3mm.
A second inner cylinder 6 is also arranged between the first inner cylinder 4 and the first outer cylinder 5, and a first silencing hole 3 is arranged on the second inner cylinder 6.
A second outer cylinder 7 is arranged between the second inner cylinder 6 and the first outer cylinder 5, and a first silencing hole 3 is arranged on the second outer cylinder 7. Through increasing second inner tube 6 and second outer section of thick bamboo 7, and all set up the first amortization hole 3 that link up on second inner tube 6 and second outer section of thick bamboo 7, can form the multilayer and perforate a section of thick bamboo to form multilayer amortization noise reduction structure on the section of thick bamboo wall of water conservancy diversion circle 1, play better amortization noise reduction effect.
Preferably, the thickness of the second inner cylinder 6 is greater than the thickness of the second outer cylinder 7. Specifically, in this embodiment, the thickness of the second inner tube 6 is 4mm, and the thickness of the second outer tube 7 is 2mm, so that the occupation of the tube body to the tube wall space of the guide ring 1 can be reduced, thereby more effectively forming a silencing cavity and improving the silencing effect. In the present embodiment, the thickness of the second outer cylinder 7 is smaller than that of the second inner cylinder 6, because the second inner cylinder 6 is closer to the air flow, so that the influence of vibration generated when the air flow flows on the second inner cylinder 6 is greater, if the thickness of the second inner cylinder 6 is too small, the second inner cylinder 6 is caused to vibrate along with the flow of the air flow, resulting in a reduction in vibration and noise reduction effect of the second inner cylinder 6 on the air flow.
Preferably, the rectifying plate 2 is provided with a second silencing hole 9; and/or the rectifying plate 2 is made of sound absorbing material. When the airflow flows through the rectifying plate 2, the rectifying plate 2 can not only rectify the airflow, but also can play a silencing role, so that the airflow flowing loss can be reduced, and the airflow flowing noise can be reduced.
When the inner wall of the guide ring 1 and the rectifying plate 2 are provided with the silencing holes, the guide ring and the rectifying plate are combined to be silenced, so that pneumatic noise and wind cavity resonance can be reduced to the greatest extent.
The indoor unit is, for example, a cabinet air conditioner.
According to an embodiment of the application, an air conditioner includes an indoor unit, which is the indoor unit described above.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application. The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the application.
Claims (17)
1. The indoor unit is characterized by comprising a first shell (10) and a second shell (15), wherein the first shell (10) is round, the second shell (15) is square, a fan is arranged in the first shell (10), a heat exchanger (14) is arranged in the second shell (15), a first air port (11) is arranged on the first shell (10), a second air port (12) is arranged on the second shell (15), and the heat exchanger (14) is arranged between the first air port (11) and the second air port (12);
the heat exchanger (14) is of an annular structure with a shape matched with that of the second shell (15);
A connecting section (17) is arranged between the first shell (10) and the second shell (15), a first end of the connecting section (17) is round and is fixedly connected with the first shell (10), and a second end of the connecting section (17) is square and is fixedly connected with the second shell (15); a flow guiding device is arranged at the connecting position of the first shell (10) and the second shell (15).
2. Indoor unit according to claim 1, wherein one side of the ring structure is open, the opening being provided with a wind shielding structure (16).
3. The indoor unit according to claim 1, wherein the first air port (11) is provided on top of the first casing (10), the first air port (11) being an annular air port.
4. The indoor unit of claim 1, wherein the second air port (12) includes at least two air ports provided on two opposite side walls of the second casing (15), the heat exchanger (14) being provided between the at least two air ports.
5. An indoor unit according to claim 1, characterised in that the fan is a counter-rotating fan (13).
6. The indoor unit according to claim 1, wherein the flow guiding device comprises a flow guiding ring (1) and a rectifying plate (2) arranged in the flow guiding ring (1), the rectifying plate (2) extends along the axial direction of the flow guiding ring (1), two sides of the rectifying plate (2) are connected to the inner wall of the flow guiding ring (1), and the flow guiding channel of the flow guiding ring (1) is divided into at least two rectifying areas by the rectifying plate (2).
7. An indoor unit according to claim 6, wherein the number of rectifying plates (2) is plural, and the rectifying plates (2) are parallel or intersect in the guide ring (1).
8. An indoor unit according to claim 7, wherein the rectifying plate (2) comprises at least two straight plates, wherein the two straight plates intersect perpendicularly, the intersection line being located on the central axis of the deflector (1).
9. The indoor unit according to claim 6, wherein the number of rectifying plates (2) is two, the rectifying plates (2) in the first group are parallel to each other, the rectifying plates (2) in the second group are parallel to each other, and the rectifying plates (2) in the first group are perpendicular to the rectifying plates (2).
10. An indoor unit as claimed in any one of claims 6 to 9, characterised in that the inner peripheral wall of the deflector (1) is provided with first sound-deadening holes (3).
11. The indoor unit according to claim 10, wherein the deflector (1) comprises a first inner tube (4) and a first outer tube (5), the first inner tube (4) being located on an inner peripheral side of the first outer tube (5), the first inner tube (4) being provided with the first sound deadening hole (3).
12. The indoor unit according to claim 11, wherein a transverse baffle (8) is further provided between the first inner cylinder (4) and the first outer cylinder (5), the transverse baffle (8) is disposed along the circumferential direction of the guide ring (1), and divides a cavity enclosed by the first inner cylinder (4) and the first outer cylinder (5) into at least two along the axial direction.
13. The indoor unit according to claim 11, wherein a second inner tube (6) is further provided between the first inner tube (4) and the first outer tube (5), and the first silencing hole (3) is provided on the second inner tube (6).
14. An indoor unit according to claim 13, wherein a second outer tube (7) is provided between the second inner tube (6) and the first outer tube (5), the second outer tube (7) being provided with the first sound deadening hole (3).
15. An indoor unit according to claim 14, wherein the thickness of the second inner cylinder (6) is greater than the thickness of the second outer cylinder (7).
16. The indoor unit of claim 1, wherein the first casing (10) is an upper casing and the second casing (15) is a lower casing; or, the first housing (10) is a lower housing, and the second housing (15) is an upper housing.
17. An air conditioner comprising an indoor unit, wherein the indoor unit is the indoor unit of any one of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091921.2A CN110762636B (en) | 2019-11-08 | 2019-11-08 | Indoor unit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091921.2A CN110762636B (en) | 2019-11-08 | 2019-11-08 | Indoor unit and air conditioner |
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| Publication Number | Publication Date |
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| CN110762636A CN110762636A (en) | 2020-02-07 |
| CN110762636B true CN110762636B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911091921.2A Active CN110762636B (en) | 2019-11-08 | 2019-11-08 | Indoor unit and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111972377B (en) * | 2020-09-07 | 2022-09-23 | 杨庄 | Mosquito killing lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211290302U (en) * | 2019-11-08 | 2020-08-18 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109546B (en) * | 2006-07-19 | 2011-05-11 | 乐金电子(天津)电器有限公司 | Air conditioner |
| CN206073281U (en) * | 2016-08-31 | 2017-04-05 | 芜湖美智空调设备有限公司 | Cabinet air-conditioner |
| CN206291311U (en) * | 2016-08-31 | 2017-06-30 | 芜湖美智空调设备有限公司 | Cabinet air-conditioner |
| CN106440106A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit, air conditioner and assembling method of air conditioner outdoor unit |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211290302U (en) * | 2019-11-08 | 2020-08-18 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner |
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