CN108397394B - Muffler device and air conditioner - Google Patents
Muffler device and air conditioner Download PDFInfo
- Publication number
- CN108397394B CN108397394B CN201810387130.3A CN201810387130A CN108397394B CN 108397394 B CN108397394 B CN 108397394B CN 201810387130 A CN201810387130 A CN 201810387130A CN 108397394 B CN108397394 B CN 108397394B
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- CN
- China
- Prior art keywords
- air flow
- sliding sleeve
- rotating part
- air
- muffler device
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a muffler device and an air conditioner, wherein the muffler device comprises: the shell is provided with an air inlet, an air outlet and a cavity communicated with the air inlet and the air outlet; the rotating part is movably arranged in the cavity along the air flow direction, rotates under the action of the air flow and displaces along the air flow direction; and the elastic piece is connected between the rotating part and the shell, and is extruded when the rotating part generates displacement. The invention adopts the muffler device formed by combining the rotating part and the elastic piece, and reduces the total energy and the flow velocity of the exhaust gas by the energy conversion in the whole process, thereby reducing the noise of different frequency ranges of low, medium and high frequency of the exhaust gas of the compressor.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a muffler device and an air conditioner.
Background
In an air conditioning system, the airflow velocity of an exhaust port of a compressor is high, exhaust noise is large, and the air conditioning system is a main noise source of the system, and effective control of the exhaust noise is very important for improving user comfort. In the conventional air conditioning system, there is also a device for silencing the exhaust port of the compressor, but the silencing effect is poor.
Disclosure of Invention
In order to solve the technical problems, the invention discloses a silencing device and an air conditioner, and solves the problem that the existing compressor exhaust outlet silencing device is poor in effect.
According to one aspect of the present invention, there is disclosed a muffler device including: the shell is provided with an air inlet, an air outlet and a cavity communicated with the air inlet and the air outlet; the rotating part is movably arranged in the cavity along the air flow direction, rotates under the action of the air flow and displaces along the air flow direction; and the elastic piece is connected between the rotating part and the shell, and is extruded when the rotating part generates displacement.
Further, the rotating part is a moving impeller.
Further, the rotating part includes: the sliding sleeve is corresponding to the shell, is movably arranged in the cavity along the airflow direction, and is sealed with the inner wall of the cavity; the movable impeller is arranged in the sliding sleeve, and rotates under the action of air flow and drives the sliding sleeve to move along the air flow direction.
Further, the rotating part further includes: the static blade grid is fixedly arranged in the sliding sleeve and is positioned on the air inlet side of the movable blade wheel, and the static blade grid is used for converting part of heat energy of air flow into kinetic energy so as to enable the flow speed of the air flow to be increased.
Further, the elastic piece comprises a spring, a first end of the spring is fixedly connected to the sliding sleeve, and the other end of the spring is fixedly connected to the shell.
Further, the method further comprises the following steps: the sealing ring is arranged between the sliding sleeve and the shell, and the sliding sleeve and the shell are arranged in a sealing way through the sealing ring.
Further, the method further comprises the following steps: the bearing is sleeved on the periphery of the movable impeller, and the movable impeller is rotatably arranged in the sliding sleeve through the bearing.
Further, the shell is of a tubular structure.
According to another aspect of the present invention, there is disclosed an air conditioner, comprising: the above-mentioned muffler device.
After high-temperature, high-pressure and high-speed air flow at the exhaust port of the compressor enters the cavity from the air inlet, when the high-speed air flow flows through the moving blade channels of the rotating part, the moving blade is subjected to thrust exerted by the air flow in the circumferential direction, the rotating part is pushed to rotate at high speed, part of kinetic energy of the exhaust air flow is converted into kinetic energy of the rotating part, part of total energy of the air flow is lost, and meanwhile, the air flow has acting force in the air flow direction on the whole rotating part, so that the rotating part moves rightwards to promote the elastic piece to elastically deform; under the reaction force of the elastic member, the kinetic energy of the gas is converted into elastic potential energy of the elastic member, the energy of the exhaust gas is again lost, and the flow rate is reduced. The invention adopts the muffler device formed by combining the rotating part and the elastic piece, and reduces the total energy and the flow velocity of the exhaust gas by the energy conversion in the whole process, thereby reducing the noise of different frequency ranges of low, medium and high frequency of the exhaust gas of the compressor.
Drawings
FIG. 1 is a schematic view of a muffler device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a perspective view of a muffler device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a moving impeller and stationary vane cascade of a muffler device according to an embodiment of the present invention;
legend: 10. a housing; 11. a cavity; 12. a retainer ring; 20. a rotating part; 21. a sliding sleeve; 22. a moving impeller; 23. static leaf grating; 30. an elastic member; 40. a seal ring; 50. and (3) a bearing.
Detailed Description
The invention is further illustrated, but is not limited to, the following examples.
As shown in fig. 1 and 2, the present invention discloses a muffler device comprising: the casing 10, the rotating part 20 and the elastic member 30, the casing 10 has an air inlet and an air outlet, and a cavity 11 communicating the air inlet and the air outlet; the rotating part 20 is movably arranged in the cavity 11 along the air flow direction, the rotating part 20 rotates under the action of the air flow and is displaced along the air flow direction, and the rotating part 20 is used for converting part of kinetic energy of the air flow into kinetic energy of the rotating part 20 so as to reduce the air flow rate; the elastic member 30 is connected between the rotating portion 20 and the housing 10, and the rotating portion 20 presses the elastic member 30 when being displaced, and the elastic member 30 is used for converting part of kinetic energy of the airflow into elastic potential energy so as to reduce the airflow velocity.
When the high-temperature, high-pressure and high-speed airflow at the exhaust port of the compressor enters the cavity 11 from the air inlet, when the high-speed airflow flows through the moving blade channels of the rotating part 20, the moving blade is subjected to thrust exerted by the airflow in the circumferential direction, the rotating part 20 is pushed to rotate at a high speed, part of kinetic energy of the exhaust airflow is converted into kinetic energy of the rotating part 20, part of total energy of the airflow is lost, and meanwhile, the airflow has acting force in the airflow direction on the whole rotating part 20, so that the rotating part 20 moves rightwards to promote the elastic deformation of the elastic piece 30; under the reaction force of the elastic member 30, a further part of kinetic energy of the gas is converted into elastic potential energy of the elastic member 30, the energy of the exhaust gas is again lost, and the flow rate is reduced.
The invention adopts the muffler device formed by combining the rotating part and the elastic piece, and reduces the total energy and the flow velocity of the exhaust gas by the energy conversion in the whole process, thereby reducing the noise of different frequency ranges of low, medium and high frequency of the exhaust gas of the compressor.
In the above embodiment, the rotating portion 20 is the impeller 22, the impeller 22 is movably disposed in the cavity 11 along the airflow direction, and the impeller 22 rotates and moves along the airflow direction under the action of the airflow, and the impeller 22 is used for converting part of the kinetic energy of the airflow into the kinetic energy of the impeller to reduce the airflow velocity. The total energy and the flow rate of the exhaust gas are reduced by the energy conversion in the whole process, so that the noise of the low, medium and high frequency different frequency bands of the exhaust gas of the compressor is reduced.
In the above embodiment, the rotating portion 20 includes: the sliding sleeve 21 and the movable impeller 22, the sliding sleeve 21 corresponds to the shell 10, the sliding sleeve 21 is movably arranged in the cavity 11 along the airflow direction, and the sliding sleeve 21 and the inner wall of the cavity 11 are arranged in a sealing way; the movable impeller 22 is disposed in the sliding sleeve 21, the movable impeller 22 rotates under the action of the air flow and drives the sliding sleeve 21 to move along the air flow direction, and the movable impeller 22 is used for converting part of kinetic energy of the air flow into kinetic energy of the movable impeller 22 so as to reduce the flow rate of the air flow. When the high-speed airflow flows through the moving blade channels of the impeller 22, the moving blades are subjected to thrust exerted by the airflow in the circumferential direction, the impeller 22 is pushed to rotate at a high speed, a part of kinetic energy of the exhaust airflow is converted into kinetic energy of the impeller 22, and a part of total energy of the airflow is lost, so that the total energy and the flow speed of the exhaust gas are reduced, and noise of different low, medium and high frequency bands of the exhaust of the compressor is reduced.
In the above embodiment, as shown in fig. 1 to 3, the rotating portion 20 further includes: the stationary blade grating 23, the stationary blade grating 23 is fixedly arranged in the sliding sleeve 21, and the stationary blade grating 23 is located on the air inlet side of the movable impeller 22, and the stationary blade grating 23 is used for converting part of heat energy of air flow into kinetic energy so as to raise the flow speed of the air flow. After high-temperature, high-pressure and high-speed air flow at the exhaust port of the compressor enters the static blade channel of the static blade grid 23, part of heat energy of the air flow is converted into kinetic energy, and the flow speed of the air flow is increased; when the high-speed airflow flows through the moving blade channels of the impeller 22, the moving blades are subjected to thrust exerted by the airflow in the circumferential direction, the impeller 22 is pushed to rotate at a high speed, and part of kinetic energy of the exhaust airflow is converted into kinetic energy of the impeller 22; in this process, there are two energy conversions: the heat energy of the air flow is converted into the kinetic energy of the air flow, the kinetic energy of the air flow is converted into the kinetic energy of the impeller 22, and a part of the total energy of the air flow is lost, so that the total energy of the exhaust gas can be further reduced, the flow speed is further reduced, and the noise reduction effect is improved.
In the above embodiment, the elastic member 30 includes a spring, a first end of which is fixedly connected to the sliding sleeve 21, and the other end of which is fixedly connected to the housing 10.
In the above embodiment, further comprising: the seal ring 40, the seal ring 40 is disposed between the slide bush 21 and the housing 10, and the slide bush 21 and the housing 10 are sealingly disposed by the seal ring 40. By arranging the sealing ring 40, on one hand, the air tightness between the sliding sleeve 21 and the shell 10 is ensured, so that the inlet air flows through the dynamic and static blade cascades 23 completely, and more heat energy is converted into kinetic energy; on the other hand, friction between the sliding sleeve 21 and the shell 10 during movement can be reduced, and the dual-purpose function is realized.
In the above embodiment, further comprising: the bearing 50 is sleeved on the outer periphery of the movable impeller 22, and the movable impeller 22 is rotatably arranged in the sliding sleeve 21 through the bearing 50. Noise generated when the impeller 22 rotates can be reduced.
In the above embodiment, the housing 10 is of a tubular structure. A check ring 12 is arranged in the shell 10 near the air outlet, a paralyzed first end is fixedly connected with the sliding sleeve 21, and a second end is fixedly connected with the check ring 12.
In an air conditioning system, high temperature, high pressure, high velocity air flow at the compressor exhaust enters the muffler body, and noise reduction is performed in the following two aspects:
on the one hand, after the high-temperature, high-pressure and high-speed air flow at the exhaust port of the compressor enters the static blade channel of the static blade grid 23, part of heat energy of the air flow is converted into kinetic energy, and the flow speed of the air flow is increased; when the high-speed airflow flows through the moving blade channels of the impeller 22, the moving blades are subjected to thrust exerted by the airflow in the circumferential direction, the impeller 22 is pushed to rotate at a high speed, and part of kinetic energy of the exhaust airflow is converted into kinetic energy of the impeller 22; in this process, there are two energy conversions: the thermal energy of the air flow is converted into the kinetic energy of the air flow, which is converted into the kinetic energy of the impeller 22, and a part of the total energy of the air flow is lost.
On the other hand, the air flow has acting force on the whole impeller component along the air flow direction, so that the sliding sleeve 21 displaces along the air flow direction and causes the spring to compress; under the reaction force of the spring, the kinetic energy of the gas is converted into potential energy of the spring, the energy of the exhaust gas is lost again, and the flow rate is reduced.
The invention adopts the composite muffler formed by combining the rotating component and the elastic element, and reduces the total energy and the flow velocity of the exhaust gas by the energy conversion in the whole process, thereby reducing the noise of different low, medium and high frequency bands of the exhaust gas of the compressor, improving the comfort level of users and the market competitiveness of products.
It should be understood that the above-described embodiments of the present invention are provided by way of example only and are not intended to limit the scope of the invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Not all embodiments are exhaustive. All obvious changes or modifications which come within the spirit of the invention are desired to be protected.
Claims (7)
1. A muffler device, characterized by comprising:
a housing (10) having an air inlet and an air outlet, and a cavity (11) communicating the air inlet and the air outlet;
the rotating part (20) is movably arranged in the cavity (11) along the air flow direction, and the rotating part (20) rotates under the action of the air flow and is displaced along the air flow direction;
an elastic member (30) connected between the rotating part (20) and the housing (10), and pressing the elastic member (30) when the rotating part (20) is displaced;
the rotating part (20) includes:
the sliding sleeve (21) is corresponding to the shell (10), the sliding sleeve (21) is movably arranged in the cavity (11) along the airflow direction, and the sliding sleeve (21) and the inner wall of the cavity (11) are arranged in a sealing way;
the movable impeller (22) is arranged in the sliding sleeve (21), and the movable impeller (22) rotates under the action of air flow and drives the sliding sleeve (21) to move along the air flow direction.
2. The muffler device according to claim 1, wherein the rotating portion (20) further includes:
the static blade grid (23) is fixedly arranged in the sliding sleeve (21), the static blade grid (23) is positioned on the air inlet side of the movable impeller (22), and the static blade grid (23) is used for converting part of heat energy of air flow into kinetic energy so as to enable the flow speed of the air flow to be increased.
3. The muffler device as defined in claim 1, wherein,
the elastic piece (30) comprises a spring, wherein the first end of the spring is fixedly connected to the sliding sleeve (21), and the other end of the spring is fixedly connected to the shell (10).
4. The muffler device as defined in claim 1, further comprising:
and a sealing ring (40) arranged between the sliding sleeve (21) and the shell (10), wherein the sliding sleeve (21) and the shell (10) are arranged in a sealing way through the sealing ring (40).
5. The muffler device as defined in claim 1, further comprising:
the bearing (50) is sleeved on the periphery of the movable impeller (22), and the movable impeller (22) is rotatably arranged in the sliding sleeve (21) through the bearing (50).
6. The muffler device as defined in claim 1, wherein,
the housing (10) is of tubular construction.
7. An air conditioner, comprising: the muffler device of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387130.3A CN108397394B (en) | 2018-04-26 | 2018-04-26 | Muffler device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387130.3A CN108397394B (en) | 2018-04-26 | 2018-04-26 | Muffler device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397394A CN108397394A (en) | 2018-08-14 |
| CN108397394B true CN108397394B (en) | 2023-09-08 |
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ID=63100533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810387130.3A Active CN108397394B (en) | 2018-04-26 | 2018-04-26 | Muffler device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397394B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377391A (en) * | 2020-11-12 | 2021-02-19 | 健仕医疗技术(浙江)有限公司 | Mute type oxygenerator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031595A (en) * | 1988-09-21 | 1989-03-08 | 景尔强 | A kind of airflow noise-elimination method and device |
| CN105298600A (en) * | 2015-11-24 | 2016-02-03 | 陕西理工学院 | Vehicle exhaust power generation type impeller silencing device |
| CN106224064A (en) * | 2016-08-31 | 2016-12-14 | 重庆长安汽车股份有限公司 | A kind of energy recovery device of automobile exhaust |
| CN107514350A (en) * | 2017-08-21 | 2017-12-26 | 珠海格力电器股份有限公司 | Silencer and heat pump |
| CN208416952U (en) * | 2018-04-26 | 2019-01-22 | 珠海格力电器股份有限公司 | Silencing apparatus and air-conditioning |
-
2018
- 2018-04-26 CN CN201810387130.3A patent/CN108397394B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031595A (en) * | 1988-09-21 | 1989-03-08 | 景尔强 | A kind of airflow noise-elimination method and device |
| CN105298600A (en) * | 2015-11-24 | 2016-02-03 | 陕西理工学院 | Vehicle exhaust power generation type impeller silencing device |
| CN106224064A (en) * | 2016-08-31 | 2016-12-14 | 重庆长安汽车股份有限公司 | A kind of energy recovery device of automobile exhaust |
| CN107514350A (en) * | 2017-08-21 | 2017-12-26 | 珠海格力电器股份有限公司 | Silencer and heat pump |
| CN208416952U (en) * | 2018-04-26 | 2019-01-22 | 珠海格力电器股份有限公司 | Silencing apparatus and air-conditioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108397394A (en) | 2018-08-14 |
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