CN112432355B - Volute component, air supply component and air conditioning system - Google Patents
Volute component, air supply component and air conditioning system Download PDFInfo
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- CN112432355B CN112432355B CN202011406380.0A CN202011406380A CN112432355B CN 112432355 B CN112432355 B CN 112432355B CN 202011406380 A CN202011406380 A CN 202011406380A CN 112432355 B CN112432355 B CN 112432355B
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- volute
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- airflow
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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
- F24F13/20—Casings or covers
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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
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/028—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by air supply means, e.g. fan casings, internal dampers or ducts
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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
- F24F13/02—Ducting arrangements
-
- 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
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
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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
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application provides a spiral case subassembly, air supply assembly and air conditioning system. The volute assembly includes a volute including therein: a first air flow channel and a second air flow channel; the airflow direction in the first airflow channel is a first direction, the airflow direction in the second airflow channel is a second direction, and the included angle theta between the first direction and the second direction is as follows: 90 degrees < theta.ltoreq.180 degrees. The volute is internally provided with the airflow channels in two airflow directions, and the two airflow directions are arranged at an obtuse angle, so that a balance effect can be achieved, and the wind noise is reduced.
Description
Technical Field
The application belongs to the technical field of air conditioning systems, and particularly relates to a volute component, an air supply component and an air conditioning system.
Background
With the continuous improvement of the living standard of people, the use requirements of people on household appliances are higher and higher. The main air duct of the existing integral air conditioner product is a centrifugal air duct, when the motor rotates at a high speed, the two sides of the volute tongue of the volute casing generate a large pressure difference, airflow forms vortexes at the two ends of the volute tongue, wind noise is increased, and user experience is poor.
Disclosure of Invention
Therefore, the technical problem to be solved by the application is to provide a volute assembly, an air supply assembly and an air conditioning system, which can reduce wind noise.
In order to solve the above problems, the present application provides a scroll casing assembly including:
a volute comprising within the volute: a first air flow channel and a second air flow channel;
the airflow direction in the first airflow channel is a first direction, the airflow direction in the second airflow channel is a second direction, and the included angle theta between the first direction and the second direction is as follows: 90 degrees < theta.ltoreq.180 degrees.
Optionally, the volute assembly further includes a fan blade, and the fan blade is disposed on the volute and located at a junction of the first airflow channel and the second airflow channel.
Optionally, the first direction and the second direction are arranged in parallel and in reverse; the first airflow channel and the second airflow channel comprise the same wall body, through holes are formed in the wall body, and the fan blades penetrate through the through holes.
Optionally, one side of the through hole is inclined toward the first air flow passage, and the other side of the through hole is inclined toward the second air flow passage.
Optionally, a silencing cavity is further included in the volute, and an air outlet of the first air flow channel or the second air flow channel is communicated with the silencing cavity.
Optionally, the size of the sound-deadening chamber is larger than the size of the air outlet.
Optionally, a sound absorbing member is arranged on the wall of the silencing cavity.
Optionally, the sound absorbing member includes a plurality of sound absorbing plates provided in a plurality of staggered rows.
Optionally, an included angle between a plate surface of the sound-absorbing plate and a flow direction of the air flow passing through the sound-absorbing plate is set to be a preset angle.
According to another aspect of the present application, there is provided an air supply assembly including a volute assembly as described above.
Optionally, the air supply assembly includes a centrifugal air duct structure, and the volute assembly is disposed in the centrifugal air duct structure; the volute is provided with an air hole vertical to the first direction or the second direction, and the air hole is communicated with the first air flow channel or the second air flow channel.
According to another aspect of the present application, there is provided an air conditioning system comprising a volute assembly as described above or comprising an air supply assembly as described above.
The present application provides a volute assembly comprising: a volute comprising therein: a first air flow channel and a second air flow channel; the airflow direction in the first airflow channel is a first direction, the airflow direction in the second airflow channel is a second direction, and the included angle theta between the first direction and the second direction is as follows: 90 degrees < theta.ltoreq.180 degrees. The volute is internally provided with the airflow channels in two airflow directions, and the two airflow directions are arranged at an obtuse angle, so that a balance effect can be achieved, and the wind noise is reduced.
Drawings
FIG. 1 is an exploded view of an air delivery assembly according to an embodiment of the present application;
FIG. 2 is a schematic view of a volute assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of an air conditioning system according to an embodiment of the present application;
fig. 4 is a right side view of the embodiment of fig. 3.
The reference numerals are represented as:
1. a worm case cover; 2. a fan blade; 3. a volute; 31. a sound-deadening chamber; 32. a volute tongue; 33. an air inlet end; 34. a sound-absorbing panel; 35. isolating ribs; 4. a fixed mount; 5. a motor; 6. a support; 7. a heat exchanger.
Detailed Description
Referring collectively to fig. 1-4, according to an embodiment of the present application, a volute assembly, comprises:
a volute 3, said volute 3 comprising therein: a first air flow channel and a second air flow channel;
the airflow direction in the first airflow channel is a first direction, the airflow direction in the second airflow channel is a second direction, and the included angle theta between the first direction and the second direction is as follows: 90 degrees < theta.ltoreq.180 degrees.
The volute 3 is internally provided with airflow channels in two directions, the included angle of the two airflow directions is positioned at an obtuse angle, airflow flowing in one direction has a balance effect on airflow flowing in the other direction, and noise caused by vibration can be reduced.
In some embodiments, the volute assembly further includes a fan blade 2, and the fan blade 2 is disposed on the volute 3 at a junction of the first airflow channel and the second airflow channel.
The same fan blade 2 is arranged at the intersection of the two airflow channels, and the air generated by the rotation of the fan blade 2 flows in two directions, so that the air flows more smoothly, and airflow vortex and noise in the air channel are reduced.
In some embodiments, the first direction and the second direction are in parallel and opposite directions; the first airflow channel and the second airflow channel comprise the same wall body, through holes are formed in the wall body, and the fan blades 2 penetrate through the through holes.
Establish two air current directions for parallel reverse, and a wall body is shared to two air current channels, and fan blade 2 establishes in the through-hole of wall body, provides the air current to two air current channels, and stability is more, and the noise is still less.
In some embodiments, one side of the through hole is inclined toward the first air flow passage, and the other side of the through hole is inclined toward the second air flow passage.
The wall body at the side of the through hole is obliquely arranged to form a volute tongue 32 structure, which is beneficial to guiding out airflow.
In some embodiments, a sound-deadening chamber 31 is further included in the scroll casing 3, and an air outlet of the first air flow channel or the second air flow channel is communicated with the sound-deadening chamber 31.
The silencing cavity 31 is connected with the outlets of the two airflow channels, so that the noise can be reduced.
In some embodiments, the size of the sound-deadening chamber 31 is greater than the size of the air outlet.
By means of size increase, the wind speed of the air outlet can be reduced after entering the silencing cavity 31, and the purpose of reducing wind noise is achieved.
In some embodiments, sound absorbing members are provided on the walls of sound-deadening chamber 31.
The wall of the silencing cavity 31 can be provided with a sound absorbing piece, and wind noise is reduced through a sound absorbing mode. The sound absorbing piece is made of sound absorbing materials and can absorb noise with certain wavelength.
In some embodiments, the sound absorbing member comprises a plurality of sound absorbing panels 34, the sound absorbing panels 34 being arranged in staggered rows.
The noise can be absorbed for many times by arranging the plurality of rows of sound-absorbing plates 34, and the noise emission is reduced.
In some embodiments, the angle between the plate surface of the sound-absorbing plate 34 and the flow direction of the air flow passing through the sound-absorbing plate 34 is set to a preset angle.
By setting a specific angle, the sound-absorbing plate 34 can have a good noise-absorbing effect.
According to another aspect of the present application, there is provided an air supply assembly including a volute assembly as described above.
In some embodiments, the air supply assembly includes a centrifugal air duct structure, the volute assembly being disposed in the centrifugal air duct structure; the volute 3 is provided with an air hole perpendicular to the first direction or the second direction, and the air hole is communicated with the first air flow channel or the second air flow channel.
The volute component is arranged in the centrifugal air duct structure, and axial air flow changes direction after passing through the air holes and can enter the volute 3 along the air inlet end of the first air flow channel or/and the air inlet end of the second air flow channel.
The structure and operation of the volute assembly is described in detail below in conjunction with figures 1-4.
A bidirectional two-side air-out advection air duct is composed of a volute 3, a volute cover 1 and fan blades 2. The fan blade 2 is assembled in the volute 3, the blade of the fan blade 2 is an integral blade, the middle of the integral blade is provided with a mounting hole of the motor 5, and the blade is in a closed blade shape from the outline of an excircle to a cylindrical surface. The middle position of the volute 3 is provided with an isolation rib 35, and the isolation rib 35 isolates the fan blade 2 into an upper airflow channel and a lower airflow channel. Volute tongues 32 are arranged at the positions, close to the fan blades 2, of the isolation ribs 35. The top end of the volute tongue 32 is an arc surface, so that wind noise is reduced. The volute tongue 32 tilts towards the opposite direction of the rotation of the fan blade 2 to play a role in separating air flow. The volute 3 is provided with an air inlet end 33 for air flow to enter the air duct. The volute tongue 32, the isolation rib 35 and the air inlet end 33 are preferably centrosymmetric, and two are arranged. The two sides of the volute 3 are respectively provided with a silencing cavity 31, the silencing cavity 31 enlarges the cavity near the outlet of the air duct, two rows of sound-absorbing boards 34 are arranged near the inner edge of the silencing cavity 31, and the two rows of sound-absorbing boards 34 are staggered with each other and are in a strip shape. The sound-absorbing plate 34 and the airflow direction form a certain included angle, and the sound-absorbing plate 34 is made of sound-absorbing materials and can absorb noise with a certain wavelength. The volute casing cover 1 is provided with sealing ribs which are arranged on the volute casing cover and form an air duct cavity with the volute casing 3, and the fan blade 2 is arranged in the middle of the cavity. The fan blade 2 provides power through the motor 5, and the motor 5 and the fan blade 2 are fastened through the screw cap. The motor 5 is fastened on the bracket 6 by the fixed frame 4 through screws.
In the air duct, the fan blade 2 is driven by the motor 5 to rotate to drive the peripheral air flow of the fan blade 2 to rotate, when the fan blade 2 rotates, the air flow direction is opposite because the upper end and the lower end of the fan blade 2 are opposite, the air flow passes through the volute tongues 32 on the left side and the right side, the preferred distance from the volute tongues 32 to the outer contour of the fan blade 2 is 1-7mm, the air flow flows to two sides along the cavity because the air flow channel is narrowed, negative pressure is generated at the air inlet end 33, the air outside the air conditioner enters along the air inlet of the panel under the action of the negative pressure, the air flows through the heat exchanger 7 as shown in the wind direction of fig. 3, the air enters the air inlet end, the air flow is divided into the upper layer and the lower layer by the isolation rib 35 to independently exhaust, the air flow flows into the silencing cavity 31 after being separated, the silencing cavity 31 is an amplified air outlet cavity, the air flow velocity is reduced because the air flow channel is gradually widened, and the noise of the air flow is reduced. When the air flow meets the sound insulation board, the flow resistance of the air flow is increased, the flow speed of the air flow is reduced, and the air outlet at the air outlet position is more uniform and soft. Simultaneously, the sound insulation board is made of sound absorption materials, can absorb noise with a certain range of wavelength, and absorbs wind noise generated in the air duct. Further reducing noise. After passing through the sound insulation board, the airflow is discharged into the room from the air outlets at the two sides of the machine.
In the above-mentioned scheme fan blade 2 puts in 3 central points on the spiral case, and two parts about the spacer bar 35 is equallyd divide into with fan blade 2, according to this scheme, adjusts fan blade 2 position and 35 positions of spacer bar, makes it not in 3 intermediate positions on the spiral case, and 35 no longer 3 equipartition positions on the spiral case of spacer bar, also can reach the noise reduction effect of this application.
According to another aspect of the present application, there is provided an air conditioning system comprising a volute assembly as described above or comprising an air supply assembly as described above.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (11)
1. A volute assembly, comprising:
a volute (3) including a first airflow passage and a second airflow passage independent of each other in the volute (3);
the airflow direction in the first airflow channel is a first direction, the airflow direction in the second airflow channel is a second direction, and the included angle theta between the first direction and the second direction is as follows: 90 degrees < theta > 180 degrees;
The first air flow channel and the second air flow channel comprise a same wall body, and the same wall body comprises a separation rib (35) for separating the first air flow channel and the second air flow channel; the isolating ribs (35) are provided with through holes, and the fan blades (2) penetrate through the through holes and can simultaneously drive airflow of the first airflow channel and the second airflow channel to flow;
the isolation rib (35) on one side of the through hole is obliquely arranged towards the first air flow channel, and the isolation rib (35) on the other side of the through hole is obliquely arranged towards the second air flow channel.
2. The volute assembly according to claim 1, wherein the fan blade (2) is provided on the volute (3) at an intersection of the first and second air flow paths.
3. The volute assembly of claim 2, wherein the first direction and the second direction are in a parallel, opposing arrangement.
4. The volute assembly of claim 1, further comprising a sound-deadening chamber (31) in the volute (3), wherein the air outlet of the first air flow passage or the second air flow passage communicates with the sound-deadening chamber (31).
5. The volute assembly of claim 4, wherein the muffling chamber (31) has a size greater than the outlet opening size.
6. Volute assembly according to claim 4 or 5, wherein said muffling chamber (31) has a wall provided with sound-absorbing means.
7. Volute assembly according to claim 6, wherein said sound-absorbing member comprises a sound-absorbing plate (34), said sound-absorbing plate (34) being provided in plurality and in staggered rows.
8. The volute assembly of claim 7, wherein a plate surface of the sound-absorbing plate (34) is angled at a predetermined angle from a direction of flow of the airflow through the sound-absorbing plate (34).
9. An air supply assembly comprising a volute assembly according to any of claims 1-8.
10. The air supply assembly of claim 9, wherein the air supply assembly includes a centrifugal air duct structure, the volute assembly being disposed in the centrifugal air duct structure; the volute (3) is provided with an air hole vertical to the first direction or the second direction, and the air hole is communicated with the first air flow channel or the second air flow channel.
11. An air conditioning system including a volute assembly according to any one of claims 1 to 8 or including an air supply assembly according to any one of claims 9 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011406380.0A CN112432355B (en) | 2020-12-03 | 2020-12-03 | Volute component, air supply component and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011406380.0A CN112432355B (en) | 2020-12-03 | 2020-12-03 | Volute component, air supply component and air conditioning system |
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| Publication Number | Publication Date |
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| CN112432355A CN112432355A (en) | 2021-03-02 |
| CN112432355B true CN112432355B (en) | 2022-06-28 |
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| CN202011406380.0A Active CN112432355B (en) | 2020-12-03 | 2020-12-03 | Volute component, air supply component and air conditioning system |
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| CN111396365A (en) * | 2020-03-16 | 2020-07-10 | 珠海格力电器股份有限公司 | Air outlet structure and air conditioner |
| CN111306103A (en) * | 2020-03-26 | 2020-06-19 | 珠海格力电器股份有限公司 | Air supply system and air conditioner comprising same |
| CN111520859A (en) * | 2020-05-13 | 2020-08-11 | 王喆 | New trend system device for teaching area |
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