CN213542825U - Silencer and air conditioner - Google Patents
Silencer and air conditioner Download PDFInfo
- Publication number
- CN213542825U CN213542825U CN202022828231.5U CN202022828231U CN213542825U CN 213542825 U CN213542825 U CN 213542825U CN 202022828231 U CN202022828231 U CN 202022828231U CN 213542825 U CN213542825 U CN 213542825U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- inlet
- outlet
- silencing
- barrel
- 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.)
- Active
Links
Images
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model provides a muffler and air conditioner, muffler include amortization barrel subassembly, connecting pipe and drive arrangement. The noise reduction cylinder assembly includes a first noise reduction cylinder and a second noise reduction cylinder extending in a first direction and arranged in a second direction. The two ends of the first silencing barrel are respectively provided with a first barrel inlet and a first barrel outlet, the sectional areas of the first barrel inlet and the first barrel outlet are smaller than the sectional area of the first silencing barrel, the two ends of the second silencing barrel are respectively provided with a second barrel inlet and a second barrel outlet, and the sectional areas of the first barrel inlet and the second barrel outlet are smaller than the sectional area of the second silencing barrel. The inlet end of the connecting pipe is connected with the outlet of the first cylinder in a relatively sliding manner, and the outlet end of the connecting pipe is connected with the inlet of the second cylinder in a relatively sliding manner. The driving device comprises a supporting piece and a driving piece, the supporting piece is installed on the silencing barrel body assembly, the driving piece is installed on the supporting piece, and the driving piece drives the connecting pipe to move along the first direction. The silencer has wider silencing frequency range and strong universality.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner technique and specifically relates to a muffler and air conditioner is related to.
Background
The silencer is an important part of an air conditioner pipeline system, is mainly used for solving the problem of sound transmission caused by exhaust pulsation of the compressor and improving the sound quality of the indoor unit. In the prior art, a connected silencer structure is usually adopted for improving the noise elimination, for a reactive silencer, the length of a silencing cylinder body is fixed, and the silencing characteristics (maximum silencing frequency and silencing quantity) are also fixed, so that the adaptability is poor, and after the reactive silencers are connected in series, the distance between the serially connected silencing cylinder bodies is fixed, and similar problems are also caused.
Disclosure of Invention
The utility model discloses a first purpose provides a silencer that amortization frequency channel is broader, the commonality is strong.
The second objective of the present invention is to provide an air conditioner with the above mentioned silencer.
In order to achieve the first objective, the utility model provides a silencer, including amortization barrel subassembly, connecting pipe and drive arrangement. The silencing barrel component comprises a first silencing barrel and a second silencing barrel, wherein the first silencing barrel and the second silencing barrel extend along a first direction and are arranged along a second direction, and the second direction is perpendicular to the first direction. The two ends of the first silencing barrel are respectively provided with a first barrel inlet and a first barrel outlet, the two ends of the second silencing barrel are respectively provided with a second barrel inlet and a second barrel outlet, and the first barrel outlet and the second barrel inlet are located on the same side of the silencer in the first direction. The inlet end of the connecting pipe is connected with the first cylinder outlet in a relatively sliding mode along the first direction, and the outlet end of the connecting pipe is connected with the second cylinder inlet in a relatively sliding mode along the first direction. The driving device comprises a supporting piece and a driving piece, the supporting piece is installed on the silencing barrel body assembly, the driving piece is installed on the supporting piece, and the driving piece drives the connecting pipe to move along the first direction.
It can be seen from the above-mentioned scheme that the driving piece can drive the connecting pipe and move along first direction thereby adjust the length of connecting pipe between first barrel export and the second barrel entry. On the premise that the lengths of the first silencing cylinder and the second silencing cylinder are fixed, the silencing performance of the serial silencer structure is changed by adjusting the length of a connecting pipe between the outlet of the first cylinder and the inlet of the second cylinder according to the transmission audio frequency generated by pressure pulsation. And the problem that the silencer in the prior art can only eliminate one frequency band transmission sound is solved, the silencing frequency band is wider, the universality is stronger, and the application range is wider.
Preferably, a first outlet pipe is arranged at the outlet of the first cylinder, a second inlet pipe is arranged at the inlet of the second cylinder, the inlet end of the connecting pipe is inserted into the first outlet pipe, and the outlet end of the connecting pipe is inserted into the second inlet pipe.
Therefore, the stability of the connection of the connecting pipe with the first silencing barrel and the second silencing barrel is guaranteed.
The further scheme is that two ends of the supporting piece are respectively sleeved on the first outlet pipe and the second inlet pipe.
It can be seen that the stability of the mounting of the drive element is ensured.
The first silencing barrel comprises a first inlet transition section, a first cylindrical section and a first outlet transition section which are sequentially connected along a first direction, and a first outlet pipe is connected with the first outlet transition section.
In a preferred embodiment, the second silencing cylinder includes a second inlet transition section, a second cylindrical section and a second outlet transition section, which are sequentially connected along the first direction, and the second inlet pipe is connected to the second inlet transition section.
Preferably, the driving member includes a motor fixed to the support member, a gear fixed to a driving shaft of the motor, and a rack engaged with the gear, the rack extending in the first direction, and one end of the rack is connected to the connection pipe.
Therefore, the motor drives the gear to rotate, so that the rack and the connecting pipe are driven to move along the first direction, the driving piece is simple in structure, and the length of the connecting pipe can be conveniently adjusted.
The further scheme is that the connecting pipe comprises a first connecting section, an arc-shaped section and a second connecting section which are sequentially connected, the first connecting section and the second connecting section are arranged in parallel, and the rack is connected with the middle of the arc-shaped section. The inlet end of the connecting pipe is positioned on the first connecting section, and the outlet end of the connecting pipe is positioned on the second connecting section.
In a preferred embodiment, the length of the first sound-deadening cylinder is greater than that of the second sound-deadening cylinder.
The further scheme is that the length of the first silencing cylinder is twice that of the second silencing cylinder.
The sectional areas of the inlet and the outlet of the first cylinder are smaller than the sectional area of the first silencing cylinder, and the sectional areas of the inlet and the outlet of the second cylinder are smaller than the sectional area of the second silencing cylinder.
In order to achieve the second objective, the present invention provides an air conditioner including the above silencer.
Drawings
Fig. 1 is a perspective view of an embodiment of the muffler of the present invention.
Fig. 2 is an exploded view of the muffler of the present invention.
Figure 3 is a front view of an embodiment of the muffler of the present invention.
Fig. 4 is a state diagram of the embodiment of the muffler of the present invention when the length of the connecting pipe between the first cylinder outlet of the first silencing cylinder and the second cylinder inlet of the second silencing cylinder is adjusted to the maximum.
Fig. 5 is a state diagram of the embodiment of the silencer according to the present invention, in which the length of the connection pipe between the first cylinder outlet of the first silencing cylinder and the second cylinder inlet of the second silencing cylinder is adjusted to the minimum.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and 2, the air conditioner of the present embodiment includes a silencer. The silencer comprises a silencing cylinder assembly 10, a connecting pipe 3 and a driving device 4.
The silencing cylinder assembly 10 includes a first silencing cylinder 1 and a second silencing cylinder 2, wherein the first silencing cylinder 1 and the second silencing cylinder 2 both extend along a first direction a and are arranged along a second direction B, and the second direction B is perpendicular to the first direction a. The length of the first silencing cylinder 1 is twice that of the second silencing cylinder 2.
The two ends of the first silencing barrel body 1 are respectively provided with a first barrel body inlet 101 and a first barrel body outlet 102, the sectional areas of the first barrel body inlet 101 and the first barrel body outlet 102 are both smaller than the sectional area of the first silencing barrel body 1, the two ends of the second silencing barrel body 2 are respectively provided with a second barrel body inlet 201 and a second barrel body outlet 202, and the sectional areas of the second barrel body inlet 201 and the second barrel body outlet 202 are both smaller than the sectional area of the second silencing barrel body 2.
The first sound-deadening cylinder 1 includes a first inlet transition section 12, a first cylindrical section 13, and a first outlet transition section 14, which are connected in this order along the first direction a. The first barrel inlet 101 is located at the end of the first inlet transition 12 and the first barrel outlet 102 is located at the end of the first outlet transition 14. A first inlet pipe 11 is connected to the first cylinder inlet 101, and a first outlet pipe 15 is connected to the first cylinder outlet 102.
The second sound-deadening cylinder 2 includes a second inlet transition section 22, a second cylindrical section 23, and a second outlet transition section 24 that are connected in this order along the first direction a. The second barrel inlet 201 is located at the end of the second inlet transition 22 and the second barrel outlet 202 is located at the end of the second outlet transition 24. A second inlet pipe 21 is connected to the second cylinder inlet 201, and a second outlet pipe 25 is connected to the second cylinder outlet 202. The first inlet transition section 12, the first outlet transition section 14, the second inlet transition section 22, and the second outlet transition section 24 are each frustoconical. The first cylinder outlet 102 and the second cylinder inlet 201 are located on the same side of the muffler in the first direction a.
The connecting pipe 3 is a U-shaped pipe, and the connecting pipe 3 includes a first connecting section 31, an arc-shaped section 32 and a second connecting section 33 which are connected in sequence, and the first connecting section 31 and the second connecting section 33 are arranged in parallel. The inlet end 311 of the connection pipe 3 is located on the first connection section 31, and the outlet end 331 of the connection pipe 3 is located on the second connection section 33. The inlet end 311 of the connecting pipe 3 is inserted into the first outlet pipe 15 and can slide along the inner wall of the first outlet pipe 15, and the outlet end 331 of the connecting pipe 3 is inserted into the second inlet pipe 21 and can slide along the inner wall of the second inlet pipe 21.
A first sealing member (not shown) is disposed between an outer circumferential wall of the inlet end 311 of the connection pipe 3 and an inner circumferential wall of the first outlet pipe 15 to achieve a sealed connection between the connection pipe 3 and the first outlet pipe 15. A second sealing member (not shown) is provided between an outer circumferential wall of the outlet end 331 of the connection pipe 3 and an inner circumferential wall of the second inlet pipe 21 to achieve a sealed connection between the connection pipe 3 and the second inlet pipe 21.
Referring to fig. 3 to 5, the driving device 4 includes a supporting member 41 and a driving member 42, two ends of the supporting member 41 are respectively sleeved on the first outlet pipe 15 and the second inlet pipe 21, the driving member 42 includes a motor 421, a gear 422 and a rack 423, the motor 421 is fixed on the supporting member 41, the gear 422 is fixed on a driving shaft of the motor 421, the rack 423 is engaged with the gear 422, the rack 423 extends along the first direction a, and one end of the rack 423 is connected to the middle of the arc-shaped section 32 of the connecting pipe 3. The motor 421 drives the rack 423 and drives the connecting pipe 3 to move along the first direction a, so as to adjust the distance L between the first cylinder outlet 102 and the second cylinder inlet 201.
Firstly, monitoring pressure pulsation and a sound spectrum transmitted in a first monitoring point in a first inlet pipe 11, judging whether transmission sound occurs or not, if the transmission sound occurs, determining the peak frequency and amplitude of the transmission sound through monitoring frequency spectrum analysis, calculating the optimal distance L between a first cylinder outlet 102 of a first silencing cylinder 1 and a second inlet 201 of a second silencing cylinder 2 through a following formula 1 after the peak frequency is determined, and driving a motor 421 through a controller so as to drive a connecting pipe 3 to move and realize the adjustment of the distance. Noise in the second monitoring point in the second exit tube 25 is monitored synchronously, the problem that the monitoring point 2 has no noise is confirmed, and the regulation and control of the distance between the series silencers are completed.
Formula 1L 6 x 10-5*f5-3*10-5*f4+0.0062*f3-0.4428*f2-4.36*f+2768.8
Wherein L is the distance between the first cylinder outlet 102 of the first silencing cylinder 1 and the second inlet 201 of the second silencing cylinder 2, and the unit is millimeter; and f is the delivered audio frequency in Hz.
It is thus clear that the driving piece can drive the connecting pipe and move along first direction thereby adjust the length of connecting pipe between first barrel export and the second barrel entry. On the premise that the lengths of the first silencing cylinder and the second silencing cylinder are fixed, the silencing performance of the serial silencer structure is changed by adjusting the length of a connecting pipe between the outlet of the first cylinder and the inlet of the second cylinder according to the transmission audio frequency generated by pressure pulsation. The problem of the air conditioner transmission sound that arouses by the compressor among the prior art is solved to solve among the prior art muffler and can only eliminate a frequency channel transmission sound problem, the amortization frequency channel is broader, the commonality is stronger, and accommodation is wider. And the problem of transmission sound of the existing frequency converter is solved.
In addition, the support member may be fixed only to the first outlet pipe or the second inlet pipe, or may be fixed to the first cylindrical section of the first sound-deadening cylinder or the second cylindrical section of the second sound-deadening cylinder. The shape of the connection tube may also be formed by a first connection section and a second connection section extending in the first direction and a curved section or a broken line section or a direct section connecting between the first connection section and the second connection section. The above changes also enable the object of the present invention to be achieved.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (11)
1. The silencer is characterized by comprising a silencing barrel assembly, a connecting pipe and a driving device;
the silencing barrel assembly comprises a first silencing barrel and a second silencing barrel, wherein the first silencing barrel and the second silencing barrel extend along a first direction and are arranged along a second direction, and the second direction is perpendicular to the first direction;
a first cylinder inlet and a first cylinder outlet are respectively arranged at two ends of the first silencing cylinder, a second cylinder inlet and a second cylinder outlet are respectively arranged at two ends of the second silencing cylinder, and the first cylinder outlet and the second cylinder inlet are positioned at the same side of the silencer in the first direction;
the inlet end of the connecting pipe is connected with the first cylinder outlet in a relatively sliding manner along the first direction, and the outlet end of the connecting pipe is connected with the second cylinder inlet in a relatively sliding manner along the first direction;
the driving device comprises a supporting piece and a driving piece, the supporting piece is installed on the silencing barrel body assembly, the driving piece is installed on the supporting piece, and the driving piece drives the connecting pipe to move along the first direction.
2. The muffler of claim 1, wherein:
the first barrel is provided with a first outlet pipe at an outlet, the second barrel is provided with a second inlet pipe at an inlet, an inlet end of the connecting pipe is inserted in the first outlet pipe, and an outlet end of the connecting pipe is inserted in the second inlet pipe.
3. The muffler of claim 2, wherein:
and two ends of the supporting piece are respectively sleeved on the first outlet pipe and the second inlet pipe.
4. The muffler of claim 2, wherein:
the first silencing cylinder comprises a first inlet transition section, a first cylindrical section and a first outlet transition section which are sequentially connected along the first direction, and the first outlet pipe is connected with the first outlet transition section.
5. The muffler according to any one of claims 2 to 4, wherein:
the second silencing cylinder comprises a second inlet transition section, a second cylindrical section and a second outlet transition section which are sequentially connected along the first direction, and the second inlet pipe is connected with the second inlet transition section.
6. The muffler according to any one of claims 1 to 4, wherein:
the driving piece comprises a motor, a gear and a rack, the motor is fixed on the supporting piece, the gear is fixed on a driving shaft of the motor, the rack is meshed with the gear, the rack extends along the first direction, and one end of the rack is connected with the connecting pipe.
7. The muffler of claim 6, wherein:
the connecting pipe is including the first linkage segment, segmental arc and the second linkage segment that connect gradually, first linkage segment with second linkage segment parallel arrangement, the rack with the middle part of segmental arc is connected, the entry end of connecting pipe is located on the first linkage segment, the exit end of connecting pipe is located on the second linkage segment.
8. The muffler according to any one of claims 1 to 4, wherein:
the length of the first silencing cylinder body is larger than that of the second silencing cylinder body.
9. The muffler of claim 8, wherein:
the length of the first silencing cylinder body is twice that of the second silencing cylinder body.
10. The muffler according to any one of claims 1 to 4, wherein:
the sectional areas of the first cylinder inlet and the first cylinder outlet are smaller than the sectional area of the first silencing cylinder, and the sectional areas of the second cylinder inlet and the second cylinder outlet are smaller than the sectional area of the second silencing cylinder.
11. An air conditioner characterized by comprising the silencer of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022828231.5U CN213542825U (en) | 2020-11-30 | 2020-11-30 | Silencer and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022828231.5U CN213542825U (en) | 2020-11-30 | 2020-11-30 | Silencer and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213542825U true CN213542825U (en) | 2021-06-25 |
Family
ID=76484541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022828231.5U Active CN213542825U (en) | 2020-11-30 | 2020-11-30 | Silencer and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213542825U (en) |
-
2020
- 2020-11-30 CN CN202022828231.5U patent/CN213542825U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107120288B (en) | Exhaust silencer for screw type unit | |
| CN209944581U (en) | Variable amortization connecting pipe and air conditioner | |
| CN110116601B (en) | Air conditioner pipeline silencer | |
| CN204165212U (en) | A kind of multisection type full rate section air conditioner muffler | |
| CN108412581B (en) | Variable-volume straight-through impedance composite muffler and control method thereof | |
| CN110397572A (en) | silencer, compressor and air conditioner | |
| CN213542825U (en) | Silencer and air conditioner | |
| CN110285496B (en) | Muffler, refrigerating system and air conditioner | |
| CN109026602B (en) | Device for relieving exhaust pressure pulsation and air conditioner using same | |
| CN216159313U (en) | Air conditioner and silencer | |
| CN116292180A (en) | Muffler for compressor and compressor | |
| CN212155091U (en) | Exhaust structure, compressor and refrigeration plant | |
| CN2342298Y (en) | Silence rfor refrigerating system of air conditioner | |
| CN114187887A (en) | Novel combined type silencer | |
| CN116221072A (en) | Muffler for compressor and compressor | |
| CN113847119A (en) | Frequency-adjustable silencer | |
| CN210220039U (en) | Amortization formula connecting pipe and air conditioner | |
| CN114207282A (en) | Device for damping pressure pulsations of a compressor for gaseous fluids | |
| CN214250102U (en) | Silencer and air conditioner | |
| CN213020280U (en) | Silencer for air conditioner | |
| CN110822693A (en) | Conjoined silencer structure | |
| CN211177493U (en) | Be applied to domestic air conditioner's amortization four way valve subassembly | |
| CN214836791U (en) | Noise reduction wavelength tube | |
| CN220852556U (en) | Sound deadening structure, compressor and air conditioner with same | |
| CN219994008U (en) | Impedance type composite axial flow fan muffler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |