CN209944581U - Variable amortization connecting pipe and air conditioner - Google Patents
Variable amortization connecting pipe and air conditioner Download PDFInfo
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- CN209944581U CN209944581U CN201920823589.3U CN201920823589U CN209944581U CN 209944581 U CN209944581 U CN 209944581U CN 201920823589 U CN201920823589 U CN 201920823589U CN 209944581 U CN209944581 U CN 209944581U
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- silencing
- connecting pipe
- variable
- air conditioner
- pipe
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- 230000030279 gene silencing Effects 0.000 claims abstract description 55
- 230000003584 silencer Effects 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000001743 silencing effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides a variable silencing connecting pipe and an air conditioner, wherein the variable silencing connecting pipe comprises a silencing pipe section, and the silencing pipe section is provided with a first circulation port and a second circulation port which are oppositely arranged; the silencing pipe section comprises at least two silencing branch pipes which are arranged between the first circulation port and the second circulation port in parallel; every amortization lateral flow all is provided with muffler and solenoid valve on the pipe, has different length between a plurality of mufflers. The variable silencing connecting pipe is connected between an indoor air conditioner unit and an outdoor air conditioner unit of the air conditioner. The air conditioner system detects the frequency of sound and judges the most matched silencer, sends a control signal to the electromagnetic valve, only opens the electromagnetic valve of the most matched silencer, closes the rest of silencing branch pipes, and accordingly realizes silencing. The variable silencing connecting pipe can eliminate noises with different frequencies, and improves silencing effect.
Description
Technical Field
The utility model relates to an air conditioner makes technical field, concretely relates to variable amortization connecting pipe and air conditioner in air conditioner.
Background
The existing split air conditioner comprises an air conditioner indoor unit and an air conditioner outdoor unit, a connecting pipe is connected between the air conditioner indoor unit and the air conditioner outdoor unit, and sound generated by running vibration of a compressor in the air conditioner outdoor unit can be transmitted to the air conditioner indoor unit through the connecting pipe to become noise, so that a silencer is arranged on the connecting pipe aiming at the vibration frequency of the compressor to eliminate the noise, and the use comfort of the air conditioner is ensured.
The existing air conditioner has the problems that in the variable frequency air conditioner, the sound frequency transmitted to the connecting pipe is changed along with the change of the running frequency of the compressor, and a single silencer cannot effectively eliminate the noise.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a improve noise cancelling effect's variable amortization connecting pipe.
A first object of the present invention is to provide an air conditioner with improved noise reduction effect.
The first purpose of the utility model is to provide a variable silencing connecting pipe, which comprises a silencing pipe section, a first circulation port and a second circulation port which are arranged oppositely on the silencing pipe section; the silencing pipe section comprises at least two silencing branch pipes which are arranged between the first circulation port and the second circulation port in parallel; every amortization lateral flow all is provided with muffler and solenoid valve on the pipe, has different length between a plurality of mufflers.
According to the scheme, the length of the silencer can change the corresponding silencing frequency of the silencer, the plurality of silencing branch pipes are provided with the electromagnetic valves to control on-off, when the running frequency of a compressor of an outdoor unit of the air conditioner changes, sound is transmitted to an indoor unit of the air conditioner, a sensor of the indoor unit of the air conditioner collects sound data and feeds the sound data to a system to process to obtain the peak frequency of the sound, the system calculates the optimal silencing length aiming at the sound again, judges the silencer closest to the silencing length, controls the electromagnetic valves to open the silencing branch pipes of the silencer, and closes the rest of the silencing branch pipes. The variable silencing connecting pipe can eliminate noises with different frequencies, and improves silencing effect.
Further, the length of the silencerWherein c is the flow rate of refrigerant, fmaxIs the frequency of sound.
From the above, it can be seen that several sound frequencies with the highest compressor generation rate are obtained, and then several lengths L are calculated and obtained according to the formula1、L2、L3… …, etc., the length of the sound-deadening pipe is selected according to the obtained length, so that the sound deadening can be realized most effectively.
In a further aspect, the muffler branch pipe has a first diameter, the muffler located on the branch pipe has a second diameter, and a ratio m of the second diameter to the first diameter is greater than 1.
From the above, the ratio m is larger than 1, and the section is suddenly changed, so that the noise reduction is realized.
In a further proposal, the ratio m of at least one branch pipe for silencing is more than 5.
From the above, it can be seen that the larger the ratio is, the larger the maximum noise reduction amount is, and the better the noise reduction effect is.
Further, the ratio m is according to the formula
Set, wherein Δ LmaxThe maximum noise reduction amount.
Therefore, the volume generated by the compressor can be obtained, the volume to be reduced is judged, the silencer with the most reasonable diameter is selected according to the formula, and the volume of the connecting pipe is reduced while the silencing effect is ensured.
The further proposal is that the number of the branch silencing pipes is three.
The further scheme is that, variable amortization connecting pipe still includes the protective housing, and the protective housing covers outside every amortization tributary pipe, and the protective housing extends in first circulation mouth and second circulation mouth.
It is thus clear that the protective housing effectively protects a plurality of solenoid valves and muffler, prolongs the life of variable amortization connecting pipe.
The variable noise reduction connecting pipe further comprises a first pipe section and a second pipe section, the first pipe section is connected to the first circulation opening, and the second pipe section is connected to the second circulation opening.
In a further development, the first tube section and/or the second tube section is a helically corrugated tube section.
It is thus clear that, outside the place adaptability of variable amortization connecting pipe is improved to spiral ripple pipeline section, spiral ripple pipeline section has certain damping effect, improves noise cancelling effect.
The utility model discloses the air conditioner that the second purpose provided includes machine in the air conditioning, air condensing units and connects the connecting pipe between machine in the air conditioning and the air condensing units, and the connecting pipe adopts foretell variable amortization connecting pipe.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of a variable muffling connecting pipe according to the present invention in a first direction.
Fig. 2 is a cross-sectional view of the variable muffling connecting pipe of the present invention in the second direction.
Fig. 3 is a sectional view of the variable muffling connecting pipe of the present invention in the third direction.
Detailed Description
Referring to fig. 1 to 3, fig. 1 to 3 are sectional views of the variable muffling connecting pipe according to the embodiment of the present invention in a first direction, a second direction and a third direction, respectively. The utility model provides a variable amortization connecting pipe is connected between the air conditioner outdoor unit and the air conditioner indoor unit of the air conditioner, the variable amortization connecting pipe comprises a first pipe section 2, a sound attenuation pipe section 1 and a second pipe section 3 which are sequentially and hermetically connected along the air flow direction, the first pipe section 2 is a rotary threaded pipe section, the middle part of the first pipe section is provided with a threaded pipe section extension part 21, the extension initial end of the first pipe section 2 is provided with a connecting port 22, and the connecting port 22 is connected to the air conditioner outdoor unit; the second pipe section 3 is a rotary threaded pipe section, the middle part of the second pipe section 3 is provided with a threaded pipe section extension 31, the extending tail end of the second pipe section 3 is provided with a connecting port 32, and the connecting port 32 is connected to an air conditioner indoor unit. The first and second ports 101 and 102 at opposite ends of the muffler pipe section 1 are hermetically connected to the first and second pipe sections 2 and 3, respectively. Of course, the first pipe section 2, the sound attenuation pipe section 1 and the second pipe section 3 can also be made into an integrally formed pipe body.
The silencing pipe section 1 comprises a silencing branch pipe 111, a silencing branch pipe 112 and a silencing branch pipe 113 which are arranged between the first circulation opening 101 and the second circulation opening 102 in parallel, the silencing pipe section 1 further comprises a protective shell 19 covering the silencing branch pipe 111, the silencing branch pipe 112 and the silencing branch pipe 113, and the protective shell 19 extends between the first circulation opening 101 and the second circulation opening 102 to integrally protect the silencing pipe section 1.
The silencing branch pipe 111 is provided with a silencer 121 and an electromagnetic valve 131, and the electromagnetic valve 131 is close to the first pipe section 2 relative to the silencer 121; the silencing branch pipe 112 is provided with a silencer 122 and an electromagnetic valve 132, and the electromagnetic valve 132 is close to the first pipe section 2 relative to the silencer 122; muffler 123 and solenoid valve 133 are provided in muffler branch pipe 113, and solenoid valve 133 is close to first pipe section 2 with respect to muffler 123. Solenoid valve 131, solenoid valve 132 and solenoid valve 133 are all connected to the control system of the air conditioner.
Referring to fig. 1 and 2, length L of muffler 1211Greater than length L of muffler 1222Length L of muffler 1222Greater than length L of muffler 1233(ii) a The length of the silencer is related to the frequency of the sound to be silenced, the length of the silencer
Wherein c is the flow rate of refrigerant, fmaxFor sound frequencies, it can be seen that the length L of the silencer 1211Longest length, muffler 121 eliminates lower frequency sounds, and length L of muffler 1222Medium, silencer 122 eliminates sound with medium frequencies, length L of silencer 1233And shortest, it is used to cancel higher frequency sounds.
Referring to fig. 3, cross sections of muffler 121, muffler 122 and muffler 123 are all circular, and muffler branch pipe 111 and muffler branch pipe 112 have the same first diameter d as muffler branch pipe 1130The silencer 121 has a second diameter d1The silencer 122 has a second diameter d2Muffler 123 has a second diameter d3Second diameter d1A second diameter d2And a second diameter d3Are all larger than the first diameter d0And a second diameter d1Is larger than the second diameter d3Second diameter d3Is larger than the second diameter d2。
Taking the branch pipe 111 as an example, the first diameter d of the branch pipe 1110And a second diameter d of the silencer 121 on the silencing branch pipe 1111The ratio m must be greater than 1 to form a sudden change in cross section, the larger the sound volume to be removed, the second diameter d of the silencer 1211The larger the ratio m is according to the formula
Set, wherein Δ LmaxThe maximum sound-deadening amount of the sound-deadening tube 121 at this ratio m.
After the air conditioner runs, a compressor of an outdoor unit of the air conditioner vibrates, sound enters the variable silencing connecting pipe from the connecting port 22, the sound sequentially passes through the first pipe section 2, the silencing pipe section 1 and the second pipe section 3 and then enters an indoor unit of the air conditioner, a sensor in the indoor unit of the air conditioner receives the sound and judges frequency, sound volume, flow speed and other related data of the sound, and the system recalculates to obtain the optimal silencing length aiming at the sound and judges the silencer closest to the silencing length. If the system determines that the optimal solution is to use the silencer 121, the system controls the solenoid valve 132 and the solenoid valve 133 to be closed to turn off the branch silencing pipe 112 and the branch silencing pipe 113, and controls the solenoid valve 131 to be opened to turn on only the branch silencing pipe 111, and then the sound of the outdoor unit of the air conditioner flows in only the branch silencing pipe 111 and is silenced by the silencer 121. The variable silencing connecting pipe can eliminate noises with different frequencies, and improves silencing effect.
In other embodiments, four, five or more silencers can be arranged in the silencing pipe section, and the length and the second diameter of each silencer are different, so that noises with different frequencies and different sound volumes can be eliminated; in other embodiments, the ratio m is greater than 5 in one of the branch muffling pipes to effectively eliminate high frequencies.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. The variable silencing connecting pipe comprises a silencing pipe section, and a first circulation port and a second circulation port which are oppositely arranged on the silencing pipe section;
the method is characterized in that:
the silencing pipe section comprises at least two silencing branch pipes which are arranged between the first circulation port and the second circulation port in parallel;
every amortization lateral flow all is provided with muffler and solenoid valve on, and is a plurality of length is different between the muffler.
2. The variable muffling connecting pipe according to claim 1, wherein:
length of the silencer
Wherein c is the flow rate of refrigerant, fmaxIs the frequency of sound.
3. The variable muffling connecting pipe according to claim 1 or 2, wherein:
the silencing branch pipe has a first diameter, the silencer on the silencing branch pipe has a second diameter, and the ratio m of the second diameter to the first diameter is larger than 1.
4. The variable muffling connecting pipe according to claim 3, wherein:
in at least one branch pipe for noise reduction, the ratio m is greater than 5.
5. The variable muffling connecting pipe according to claim 3, wherein:
the ratio m is according to the formula
Set, wherein Δ LmaxThe maximum noise reduction amount.
6. The variable muffling connecting pipe according to claim 1 or 2, wherein:
the number of the silencing branch pipes is three.
7. The variable muffling connecting pipe according to claim 1 or 2, wherein:
variable amortization connecting pipe still includes the protective housing, the protective housing covers in every the amortization tributary outside of tubes, just the protective housing extends first circulation mouth with second circulation mouth.
8. The variable muffling connecting pipe according to claim 1 or 2, wherein:
the variable noise reduction connecting pipe further comprises a first pipe section and a second pipe section, the first pipe section is connected to the first circulation port, and the second pipe section is connected to the second circulation port.
9. The variable muffling connecting pipe of claim 8, wherein:
the first tube section and/or the second tube section are helical bellows sections.
10. The air conditioner comprises an air conditioner indoor unit, an air conditioner outdoor unit and a connecting pipe connected between the air conditioner indoor unit and the air conditioner outdoor unit, and is characterized in that:
the connecting pipe adopts the variable silencing connecting pipe of any one of the above claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823589.3U CN209944581U (en) | 2019-05-31 | 2019-05-31 | Variable amortization connecting pipe and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823589.3U CN209944581U (en) | 2019-05-31 | 2019-05-31 | Variable amortization connecting pipe and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209944581U true CN209944581U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920823589.3U Expired - Fee Related CN209944581U (en) | 2019-05-31 | 2019-05-31 | Variable amortization connecting pipe and air conditioner |
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| Country | Link |
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| CN (1) | CN209944581U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611028A (en) * | 2020-11-25 | 2021-04-06 | 珠海格力电器股份有限公司 | Air conditioner inner and outer machine amortization connecting pipe and air conditioner |
| CN113237259A (en) * | 2021-06-07 | 2021-08-10 | 宁波奥克斯电气股份有限公司 | Noise rectification device and method of air conditioner and air conditioner |
| CN114704914A (en) * | 2022-03-29 | 2022-07-05 | 青岛海尔空调器有限总公司 | Control method and device for noise reduction of air conditioner |
| CN114777303A (en) * | 2022-04-14 | 2022-07-22 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner, air conditioner and storage medium |
-
2019
- 2019-05-31 CN CN201920823589.3U patent/CN209944581U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611028A (en) * | 2020-11-25 | 2021-04-06 | 珠海格力电器股份有限公司 | Air conditioner inner and outer machine amortization connecting pipe and air conditioner |
| CN113237259A (en) * | 2021-06-07 | 2021-08-10 | 宁波奥克斯电气股份有限公司 | Noise rectification device and method of air conditioner and air conditioner |
| CN114704914A (en) * | 2022-03-29 | 2022-07-05 | 青岛海尔空调器有限总公司 | Control method and device for noise reduction of air conditioner |
| CN114777303A (en) * | 2022-04-14 | 2022-07-22 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner, air conditioner and storage medium |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |