CN205401143U - Silencer, refrigerating system and air conditioning equipment - Google Patents
Silencer, refrigerating system and air conditioning equipment Download PDFInfo
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- CN205401143U CN205401143U CN201620139993.5U CN201620139993U CN205401143U CN 205401143 U CN205401143 U CN 205401143U CN 201620139993 U CN201620139993 U CN 201620139993U CN 205401143 U CN205401143 U CN 205401143U
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Abstract
The utility model relates to a silencer, refrigerating system and air conditioning equipment relate to noise elimination technical field. The main technical scheme who adopts does: a silencer for eliminate the low frequency noise among the refrigerating system, wherein, the silencer includes casing, baffle, intake pipe and outlet duct. Wherein, the baffle setting is in the casing to separate into first noise elimination chamber and second noise elimination chamber with the inner chamber of casing, a plurality of water conservancy diversion holes have been seted up on the baffle. Intake pipe and first noise elimination chamber intercommunication for with refrigerant air flow transport to first noise elimination intracavity. Outlet duct and second noise elimination chamber intercommunication for with the eliminate the noise refrigerant jet exit of intracavity of second. A refrigerating system includes foretell silencer. An air conditioning equipment includes foretell refrigerating system. The utility model discloses the low frequency noise's that the mainly used improvement can be eliminated frequency channel suitability makes the frequency channel of eliminating low frequency noise wideer to improve among refrigerating system and the air conditioning equipment influence of low frequency noise to the environment.
Description
Technical field
This utility model relates to a kind of noise elimination technique field, particularly relates to a kind of acoustic filter, refrigeration system and air-conditioning equipment.
Background technology
Air-conditioning equipment realizes the adjustment to indoor temperature by the operation of refrigeration system on it, thus providing the user with comfortable environment.But, refrigeration system can bring noise pollution to user when running；Generally, the noise of refrigeration system produces source mainly has following several:
(1) in common domestic refrigeration system, the coolant pressure that compressor is discharged is the form flowing with pulsation and exists, and can form the noise of similar air-flow in the flow process that coolant is in long and narrow pipeline；
(2) under pulsation coolant pressure effect, exhaust valve plate high speed, high frequency time ground opening and closing, owing to the action of exhaust valve plate creates mechanicalness noise；And compressor drum, slide plate also do periodic operating in compresser cylinder so that the motion between part and part also can produce mechanicalness noise；
(3) electrical appliance part on compressor also can produce the electromagnetic noise of certain characteristic.Wherein, what allow designer perplexs most is exactly that (coolant as above can form the noise of similar air-flow to low frequency noise produced by refrigeration system in flow process in long and narrow pipeline；And the low frequency noise that causes of mechanicalness noise), and low frequency noise is also that user dislikes with unacceptable very much.Low frequency noise penetration power is strong, it is not easy to decay.The long-term impact by low frequency noise, can make people's easily worry, even lose one's marbles, damage organ etc. time serious.
Current refrigeration system is substantially all and is configured with acoustic filter.The existing acoustic filter being applied in domestic air-conditioning system includes a noise elimination cavity, air inlet pipe and escape pipe, and wherein, air inlet pipe, escape pipe all connect with noise elimination cavity.This acoustic filter mainly utilizes the noise elimination cavity of certain length by sound wave roundtrip, dissipates converting sound waves into mechanical energy and thermal energy consumption, and its structure is relatively easy, function is more single, is primarily used to reduce the low frequency noise produced in refrigeration system.It addition, prior art is in order to reduce the harmful low frequency noise in refrigeration system further, common prioritization scheme is exactly the exhaust end or suction end that are arranged close in refrigeration system by acoustic filter compressor.
But, at least there is following deficiency in above-mentioned existing acoustic filter:
(1) adaptability frequency range low-frequency noise eliminated is narrower, and part low frequency noise cannot thoroughly eliminate.
(2) separating power of lubricating oil is limited, lubricating oil is flushed in heat exchanger by the air-flow of high pressure, and along with the reduction of heat exchange temperature, lubricating oil separation postadhesion forms one layer of oil film at heat exchanger inner surface, thus affecting the heat exchange efficiency of heat exchanger.
Utility model content
In view of this, this utility model provides a kind of acoustic filter, refrigeration system and air-conditioning equipment, main purpose is in that to improve the frequency range suitability of the low frequency noise that can eliminate, and the frequency range making elimination low frequency noise is wider, to improve refrigeration system and the impact of air-conditioning equipment medium and low frequency NOISE ON ENVIRONMENT.
For reaching above-mentioned purpose, this utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of acoustic filter, with in refrigeration systems, to eliminate the noise in refrigeration system；Wherein, described acoustic filter includes:
Housing；
Dividing plate, described dividing plate is arranged in described housing, and the inner chamber of described housing is separated into the first noise elimination cavity and the second noise elimination cavity；Wherein, described dividing plate offers multiple pod apertures；
Air inlet pipe, described air inlet pipe connects with described first noise elimination cavity, for being delivered in described first noise elimination cavity by coolant air-flow；
Escape pipe, described escape pipe connects with described second noise elimination cavity, for being discharged by the coolant air-flow in described second noise elimination cavity.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Preferably, described air inlet pipe sequentially passes through in the bottom of described housing, the second noise elimination cavity, dividing plate described first noise elimination cavity of entrance, makes the gas outlet of described air inlet pipe connect with described first noise elimination cavity.
Preferably, described escape pipe sequentially passes through the top of described housing, the first noise elimination cavity, dividing plate enter in the second noise elimination cavity, makes the air inlet of described escape pipe connect with described second noise elimination cavity.
Preferably, the outlet port mask of described air inlet pipe has the gradient becoming set angle α with horizontal plane；Wherein, 0 ° of < α < 90 °.
Preferably, described housing includes:
First housing, described first housing has the first end and the second end；Wherein, the first end of described first housing is provided with the first interface for connecting described escape pipe；The second uncovered setting of end of described first housing；
Second housing, described second housing has the first end and the second end；Wherein, the open at one end of described second housing is arranged, and the second end of described second housing is provided with the second connector for connecting described air inlet pipe；
Wherein, the second end of described first housing is connected with the first end of described second housing；And the top that the first end is described housing of described first housing, the bottom that the second end is described housing of described second housing.
Preferably, the bottom of described housing is provided with oil return opening, for making the lubricating oil in coolant air-flow be back in refrigeration system.
Preferably, described acoustic filter also includes oil return adjustment mechanism, and described oil return adjustment mechanism is connected with described oil return opening, regulates the oil return parameter of lubricating oil for the demand according to refrigeration system.
Preferably, described oil return adjustment mechanism includes oil return pipe, and one end of described oil return pipe is connected with the oil return opening of described housing bottom, and the other end is used for connecting refrigeration system.
Preferably, the material of described dividing plate is rustless steel；Described pod apertures is evenly distributed on described dividing plate, forms spoiler.
Preferably, the axis of described pod apertures is 0-5 ° with the angle of described dividing plate axis.
On the other hand, embodiment of the present utility model also provides for a kind of refrigeration system, and described refrigeration system includes:
Compressor, described compressor has air vent and air entry；
Heat exchanger；
Acoustic filter, described acoustic filter is the acoustic filter described in any of the above-described item；
Wherein, the air inlet of the enterprising trachea of described acoustic filter connects with the air vent of described compressor；
On described acoustic filter, the gas outlet of escape pipe connects with one end of heat exchanger；The other end of described heat exchanger connects with the air entry of described compressor.
Preferably, described refrigeration system also includes lubricating oil storage device, and described lubricating oil storage device is connected with described compressor, for providing lubricating oil to described compressor；Wherein, when described acoustic filter has oil return opening, described oil return opening connects with described lubricating oil storage device.
On the other hand, embodiment of the present utility model also provides for a kind of air-conditioning equipment, and described air-conditioning equipment includes above-mentioned refrigeration system.
By technique scheme, acoustic filter of the present utility model, refrigeration system and air-conditioning equipment at least have following beneficial effect:
The acoustic filter that this utility model embodiment provides has the dividing plate of pod apertures by arranging one in housing the inner chamber of housing is divided into the first noise elimination cavity and the second noise elimination cavity, the pulse pneumatic making compressor is entered in the first noise elimination cavity by air inlet pipe, and air-flow post can be formed during the pod apertures on coolant airflow passes dividing plate of pulsing, air in air-flow post and the second noise elimination cavity is had an effect, form elasticity resonance, when the low frequency noise frequency of coolant air-flow of pulsing is identical with the natural frequency of resonator system, resonance the hole wall generation severe friction with pod apertures can be there is in the air-flow post in pod apertures, thus reaching to eliminate the purpose of low frequency noise.Compared with prior art, the acoustic filter that this utility model embodiment provides is not only and is utilized noise elimination cavity by sound wave roundtrip, the low frequency noise sound wave of band segment is converted to mechanical energy and thermal energy consumption dissipates, the elastic resonance that air-flow post and air are formed also is utilized to realize eliminating the purpose of low frequency noise further on this basis.Therefore, the acoustic filter that this utility model embodiment provides improves the frequency range suitability of the low frequency noise that can eliminate, and the frequency range making elimination low frequency noise is wider, thus improving the impact of refrigeration system medium and low frequency NOISE ON ENVIRONMENT.
Further, the acoustic filter that this utility model embodiment provides by being arranged to the gradient of set angle by the gas outlet end face of air inlet pipe, when making the pulsation coolant air-flow in refrigeration system flow out from the gas outlet of air inlet pipe, owing to the direction of gas outlet end face changes, low frequency noise sound wave produced by pulsation coolant air-flow can reflect back to the direction of sound source, thus further functioning as the purpose eliminating low frequency noise.
Further, the acoustic filter that this utility model embodiment provides can make the speed of coolant air-flow and direction that bigger change occurs, and then makes the lubricating oil elaioleucite in coolant air-flow occur separation, lamination under gravity；Wherein, the lubricating oil separated is accumulated to the interior bottom of suppressor case, returns to the low-pressure end of refrigeration system after through the oil return opening of housing bottom, and then the lubricating arrangement being back to refrigeration system reuses again.Therefore, the acoustic filter that this utility model embodiment provides is it can be avoided that the phenomenon that lubricating oil heat exchanger inner surface in refrigeration systems forms oil film occurs, improve the heat transfer effect of heat exchanger in refrigeration system, can also in time lubricating oil be added in refrigeration system, it is ensured that refrigeration system reliability of operation.
It addition, the refrigeration system of this utility model embodiment offer and air-conditioning equipment all include above-mentioned acoustic filter, therefore, refrigeration system and air-conditioning equipment that this utility model embodiment provides are provided with above-mentioned beneficial effect, do not repeat one by one at this.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of acoustic filter that embodiment of the present utility model provides；
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of a kind of acoustic filter that embodiment of the present utility model provides；
Fig. 3 is the structural representation of a kind of acoustic filter that embodiment of the present utility model provides；
Fig. 4 is the structural representation of the second housing that embodiment of the present utility model provides.
Detailed description of the invention
For further setting forth that this utility model is reach technological means and effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of this utility model application, structure, feature and effect thereof, describe in detail as after.In the following description, what different " embodiments " or " embodiment " referred to is not necessarily same embodiment.Additionally, special characteristic in one or more embodiment, structure or feature can be combined by any suitable form.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment provides a kind of acoustic filter, and this acoustic filter is with in refrigeration systems, to eliminate the low frequency noise in refrigeration system.Specifically, this acoustic filter includes housing 1, dividing plate 2, air inlet pipe 3 and escape pipe 4.Wherein, dividing plate 2 is arranged in housing 1, and the inner chamber of housing 1 is separated into the first noise elimination cavity 15 and the second noise elimination cavity 14.Dividing plate 2 is further opened with multiple pod apertures 21, so that the coolant air-flow in the first noise elimination cavity 15 flows in the second noise elimination cavity 14 through pod apertures 21.Air inlet pipe 3 connects with the first noise elimination cavity 15, for being delivered in the first noise elimination cavity 15 by the coolant air-flow that compressor in refrigeration system is discharged.Escape pipe 4 connects with the second noise elimination cavity 14, for being discharged by the coolant air-flow in the second noise elimination cavity 14.
Pulsation coolant air-flow in refrigeration system is delivered in the first noise elimination cavity 15 by air inlet pipe 3；In first noise elimination cavity 15, coolant air-flow can form air-flow post when the pod apertures 21 flowed through on dividing plate 2, air-flow post enters in the second noise elimination cavity 14, have an effect with the air in the second noise elimination cavity 14, form elastic resonator system, when the low frequency noise frequency that coolant air-flow of pulsing produces is identical with the natural frequency of resonator system, can there is resonance the hole wall generation severe friction (friction can eliminate acoustic energy) with pod apertures 21 in the air-flow post in pod apertures 21, thus reaching to eliminate the purpose of low frequency noise.
From the foregoing, it will be observed that the acoustic filter that the present embodiment provides is not only and is utilized noise elimination cavity by sound wave roundtrip, the low frequency noise sound wave of band segment is converted to mechanical energy and thermal energy consumption dissipates；It is in that with the key difference of prior art: the acoustic filter of the present embodiment also arranges a dividing plate 2 with pod apertures 21 in housing, make to form air-flow post during pulsation coolant airflow passes pod apertures 21, and then the air in air-flow post and the second noise elimination cavity 14 has an effect, form elasticity resonance, finally make air-flow post that resonance the hole wall generation severe friction with pod apertures 21 can occur, thus reaching to eliminate further the purpose of low frequency noise.Therefore, compared with prior art, the acoustic filter that the present embodiment provides improves the frequency range suitability of the low frequency noise that can eliminate, and the frequency range eliminating low frequency noise is wider, thus improving the impact of refrigeration system medium and low frequency NOISE ON ENVIRONMENT.
Embodiment 2
As shown in Figure 1, it is preferred that the present embodiment provides a kind of acoustic filter, compared with embodiment 1, air inlet pipe 3 in the present embodiment sequentially passes through the bottom of housing, the second noise elimination cavity 14, dividing plate 2 enter in the first noise elimination cavity 15, makes the gas outlet of air inlet pipe 3 connect with the first noise elimination cavity 15.
It is preferred that the escape pipe 4 in the present embodiment sequentially passes through the top of housing, the first noise elimination cavity 15, dividing plate 2 enter in the second noise elimination cavity 14, make the air inlet of escape pipe 4 and the second noise elimination cavity 14 connect.
As in figure 2 it is shown, correspondingly, dividing plate 2 is additionally provided with the first through hole 23 for making air inlet pipe 3 pass through and the second through hole 22 for making escape pipe 4 pass through.Wherein, the first through hole 23 is connected with the tube wall of air inlet pipe 3；Second through hole 22 is connected with the tube wall of described escape pipe 4.
In use, the first noise elimination cavity 15 is positioned at the top of the second noise elimination cavity 14 to the acoustic filter that the present embodiment provides；The pulsation coolant air-flow of refrigeration system enters in the first noise elimination cavity 15 from the air inlet pipe 3 being connected with the first noise elimination cavity 15 lower end, pulsation coolant air-flow can enter in the second noise elimination cavity 14 from the pod apertures 21 dividing plate 2, and form air-flow post, air-flow post is made to have an effect with the air in the second noise elimination cavity 14 fully, to form elastic resonance, make air-flow post that resonance the hole wall generation severe friction with pod apertures 21 can occur, to eliminate low frequency noise.Fully eliminate the coolant air-flow after low frequency noise to discharge from escape pipe.Therefore, the acoustic filter of the present embodiment arranges, by above-mentioned, the time that can extend coolant air-flow in acoustic filter, makes low frequency noise be eliminated fully.
Embodiment 3
It is preferred that the present embodiment provides a kind of acoustic filter, compared with above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment, the end face of the gas outlet 31 of the air inlet pipe 3 of acoustic filter has the gradient becoming set angle α with horizontal plane；Wherein, 0 ° of < α < 90 °.
The acoustic filter that the present embodiment provides by being arranged to the gradient of set angle by gas outlet 31 end face of air inlet pipe 3, when the pulsation coolant air-flow making refrigeration system flows out from the gas outlet of air inlet pipe 3, owing to the direction of gas outlet end face changes, low frequency noise sound wave produced by pulsation coolant air-flow can reflect back to the direction of sound source, thus further functioning as the purpose eliminating low frequency noise.
Embodiment 4
It is preferred that as shown in Figures 1 to 4, the present embodiment provides a kind of acoustic filter, and compared with above-described embodiment, in the present embodiment, the housing 1 of acoustic filter includes the first housing 11 and the second housing 12.Wherein, the first housing 11 has the first end and the second end；First end of the first housing 11 is provided with the first interface 111 for connecting escape pipe 4；The second uncovered setting of end of the first housing 11.Second housing 12 has the first end and the second end；Wherein, the open at one end of the second housing 12 is arranged, and the second end of the second housing 12 is provided with the second interface 122 for connecting air inlet pipe 3.Wherein, the second end of the first housing 11 and the first end of the second housing 12 are connected composition housing.Wherein, the top that the first end is housing 1 of the first housing 11；The bottom that second end is housing 1 of the second housing 12.
The acoustic filter that the present embodiment provides is by making the housing of acoustic filter be made up of the first housing 11 and the second housing 12, it is easy to install in the housing by dividing plate 2 on the one hand, facilitate the disassembly and assembly of suppressor case on the other hand, it is also possible to the lubricating oil film being pasted onto inner walls is carried out periodic cleaning.
Preferably, the mode in the housing that arranged by dividing plate 2 in the present embodiment mainly has following several: first, second housing 12 inwall is provided with the groove structure adaptive with dividing plate 2 edge in the position near the second housing 12 first end, to be installed in the housing by dividing plate 2.The second, the first housing 11 inwall is provided with the groove structure adaptive with separator edge in the position near the first housing 11 second end, to be installed in the housing by dividing plate 2.3rd, the outer wall of the second housing 12 first end and the inwall of the first housing 11 second end are connected by threaded engagement, and dividing plate 2 is arranged on the end of the second housing 12 first end, and is connected with this end.
Embodiment 5
The acoustic filter that embodiment 1 provides, by arranging the dividing plate with pod apertures in housing, changes flowing velocity and the direction of coolant air-flow.The acoustic filter that embodiment 2 provides can extend coolant air-flow flowing time in acoustic filter further.The acoustic filter that embodiment 3 provides, by the end face of the gas outlet of air inlet pipe is configured with the gradient becoming set angle α with horizontal plane, changes the flow direction of coolant air-flow further.Therefore, when acoustic filter in any of the above-described embodiment of coolant airflow passes of refrigeration system, the speed of coolant air-flow and direction all there occurs bigger change so that the lubricating oil elaioleucite in coolant air-flow occurs separating under gravity, lamination.Wherein, the lubricating oil separated can be accumulated to the interior bottom of suppressor case.Therefore, the acoustic filter that above-described embodiment provides is avoided that lubricating oil heat exchanger inner surface in refrigeration systems forms the phenomenon generation of oil film, improves the heat transfer effect of heat exchanger in refrigeration system.
As shown in Figure 1, the present embodiment is on the basis of above-described embodiment, the acoustic filter of above-described embodiment is further improved, specifically, the acoustic filter that the present embodiment provides is to be provided with an oil return opening 121 (when including the first housing 11 and the second housing 12 when housing, the second end of the second housing 12 is provided with oil return opening 121) in the bottom of housing；For making the lubricating oil being accumulated to the interior bottom of suppressor case be back in refrigeration system.
The acoustic filter that the present embodiment provides, by arranging oil return opening 121 in the bottom of suppressor case, makes the lubricating oil being accumulated to the interior bottom of suppressor case return to the low-pressure end of refrigeration system, and then the lubricating oil storage device being back to refrigeration system reuses again.So it is arranged on it can be avoided that the phenomenon that lubricating oil heat exchanger inner surface in refrigeration systems forms oil film occurs, improve in refrigeration system on the basis of the heat transfer effect of heat exchanger, can also in time lubricating oil be added in refrigeration system, save the cost of refrigeration system, it is ensured that refrigeration system reliability of operation.
Preferably, as shown in Figure 1, Figure 2 and Figure 3, the acoustic filter in the present embodiment also includes oil return adjustment mechanism 5, and oil return adjustment mechanism 5 is connected with oil return opening 121, the oil return parameter of lubricating oil is regulated, to guarantee the properly functioning of refrigeration system for the demand according to refrigeration system.
It is preferred that oil return adjustment mechanism 5 includes oil return pipe, one end of oil return pipe is connected with the oil return opening 121 of housing bottom, and the other end is for connecting the air entry of compressor in refrigeration system.The effect of the oil return adjustment mechanism in the present embodiment mainly stablizes that acoustic filter is internal and the pressure differential of compressor air suction mouth, allows the oil in acoustic filter can be back to compressor air suction mouth.It is preferred that oil return pipe can adopt the capillary tube of certain length, it is possible to adopt expansion valve instead.
Embodiment 6
It is preferred that as in figure 2 it is shown, the present embodiment provides a kind of acoustic filter, compared with above-described embodiment, the present embodiment provides the material of the dividing plate 2 of acoustic filter to be rustless steel, to improve the ruggedness of acoustic filter.Further, pod apertures 21, according to being necessarily regularly distributed on dividing plate 2, forms spoiler.
Preferably, the angle of the axis of pod apertures 21 and dividing plate 2 axis (being perpendicular to the axis of dividing plate place plane) be 0-5 ° (namely, namely, dividing plate 2 is a flat board, pod apertures 21 is opened on dividing plate 2 obliquely, and the axle of the axle of pod apertures 21 and dividing plate 2 is 0-5 ° at angle radially).By such setting, pulsation coolant air-flow can form air-flow post when pod apertures 21, air-flow post enters the second noise elimination cavity, have an effect with the air in the second noise elimination cavity body, form elastic resonator system, when low-frequency noise frequency is identical with the natural frequency of resonator system, the air-flow post in pod apertures 21 occur to resonate and with pod apertures severe friction, friction can eliminate acoustic energy, thus reaching the purpose eliminated the noise.
Embodiment 7
On the other hand, the present embodiment provides a kind of refrigeration system, and this refrigeration system includes the acoustic filter described in compressor, heat exchanger and any of the above-described embodiment.Wherein, the air inlet of the enterprising trachea of acoustic filter connects with the air vent of compressor.On acoustic filter, the gas outlet of escape pipe connects with one end of heat exchanger；The other end of heat exchanger connects with the air entry of compressor.
It is preferred that the acoustic filter of refrigeration system may be installed the position of the exhaust end near compressor in the present embodiment, the oil return opening of acoustic filter may be installed the position near compressor air suction end.
It is preferred that refrigeration system is by arranging the recycling realizing lubricating oil as follows in the present embodiment: refrigeration system also includes lubricating oil storage device, and lubricating oil storage device is connected with compressor, for providing lubricating oil to described compressor；Wherein, the oil return opening of acoustic filter connects with lubricating oil storage device.
At this, the present embodiment refrigeration system can also realize the recycling of lubricating oil by mode arranged below: makes the oil return opening of acoustic filter directly to connect with the oilhole on compressor, directly to provide lubricating oil to compressor.
Another further aspect, the present embodiment also provides for a kind of air-conditioning equipment, and wherein, this air-conditioning equipment includes the refrigeration system described in the present embodiment.
At this, the refrigeration system of the present embodiment offer and air-conditioning equipment are owing to have employed the acoustic filter described in any of the above-described embodiment, thus possess the beneficial effect in any of the above-described embodiment, do not repeat one by one at this.
In sum, acoustic filter, refrigeration system and air-conditioning equipment that this utility model embodiment provides improve the frequency range suitability of the low frequency noise that can eliminate, the frequency range making elimination low frequency noise is wider, to improve refrigeration system and the impact of air-conditioning equipment medium and low frequency NOISE ON ENVIRONMENT.Simultaneously, acoustic filter, refrigeration system and air-conditioning equipment that this utility model embodiment provides are it can be avoided that the phenomenon that lubricating oil heat exchanger inner surface in refrigeration systems forms oil film occurs, improve the heat transfer effect of heat exchanger in refrigeration system, and in time lubricating oil is added in refrigeration system, it is ensured that refrigeration system reliability of operation.Through test, under equal conditions, refrigerating capacity improves more than 5%.
To sum up, skilled addressee readily understands that, under the premise do not conflicted, above-mentioned each advantageous manner can freely combine, superposition.
The above, it it is only preferred embodiment of the present utility model, not this utility model is done any pro forma restriction, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, all still falls within the scope of technical solutions of the utility model.
Claims (13)
1. an acoustic filter, with in refrigeration systems, to eliminate the noise in refrigeration system；It is characterized in that, described acoustic filter includes:
Housing；
Dividing plate, described dividing plate is arranged in described housing, and the inner chamber of described housing is separated into the first noise elimination cavity and the second noise elimination cavity；Wherein, described dividing plate offers multiple pod apertures；
Air inlet pipe, described air inlet pipe connects with described first noise elimination cavity, for being delivered in described first noise elimination cavity by coolant air-flow；
Escape pipe, described escape pipe connects with described second noise elimination cavity, for being discharged by the coolant air-flow in described second noise elimination cavity.
2. acoustic filter according to claim 1, it is characterised in that described air inlet pipe sequentially passes through in the bottom of described housing, the second noise elimination cavity, dividing plate described first noise elimination cavity of entrance, makes the gas outlet of described air inlet pipe connect with described first noise elimination cavity.
3. acoustic filter according to claim 2, it is characterised in that described escape pipe sequentially passes through the top of described housing, the first noise elimination cavity, dividing plate enter in the second noise elimination cavity, makes the air inlet of described escape pipe connect with described second noise elimination cavity.
4. the acoustic filter according to any one of claim 1-3, it is characterised in that the outlet port mask of described air inlet pipe has the gradient becoming set angle α with horizontal plane；Wherein, 0 ° of < α < 90 °.
5. acoustic filter according to claim 3, it is characterised in that described housing includes:
First housing, described first housing has the first end and the second end；Wherein, the first end of described first housing is provided with the first interface for connecting described escape pipe；The second uncovered setting of end of described first housing；
Second housing, described second housing has the first end and the second end；Wherein, the open at one end of described second housing is arranged, and the second end of described second housing is provided with the second connector for connecting described air inlet pipe；
Wherein, the second end of described first housing is connected with the first end of described second housing；And the top that the first end is described housing of described first housing, the bottom that the second end is described housing of described second housing.
6. the acoustic filter according to claim 3 or 5, it is characterised in that the bottom of described housing is provided with oil return opening, for making the lubricating oil in coolant air-flow be back in refrigeration system.
7. acoustic filter according to claim 6, it is characterised in that described acoustic filter also includes oil return adjustment mechanism, and described oil return adjustment mechanism is connected with described oil return opening, regulates the oil return parameter of lubricating oil for the demand according to refrigeration system.
8. acoustic filter according to claim 7, it is characterised in that described oil return adjustment mechanism includes oil return pipe, and one end of described oil return pipe is connected with the oil return opening of described housing bottom, and the other end is used for connecting refrigeration system.
9. acoustic filter according to claim 1, it is characterised in that the material of described dividing plate is rustless steel；Described pod apertures is evenly distributed on described dividing plate, forms spoiler.
10. acoustic filter according to claim 9, it is characterised in that the angle of the axis of described pod apertures and described dividing plate axis is 0-5 °.
11. a refrigeration system, it is characterised in that described refrigeration system includes:
Compressor, described compressor has air vent and air entry；
Heat exchanger；
Acoustic filter, described acoustic filter is the acoustic filter described in any one of claim 1-10；
Wherein, the air inlet of the enterprising trachea of described acoustic filter connects with the air vent of described compressor；
On described acoustic filter, the gas outlet of escape pipe connects with one end of heat exchanger；The other end of described heat exchanger connects with the air entry of described compressor.
12. refrigeration system according to claim 11, it is characterised in that described refrigeration system also includes lubricating oil storage device, and described lubricating oil storage device is connected with described compressor, for providing lubricating oil to described compressor；
Wherein, when described acoustic filter has oil return opening, described oil return opening connects with described lubricating oil storage device.
13. an air-conditioning equipment, it is characterised in that described air-conditioning equipment includes the refrigeration system described in claim 11 or 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139993.5U CN205401143U (en) | 2016-02-24 | 2016-02-24 | Silencer, refrigerating system and air conditioning equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139993.5U CN205401143U (en) | 2016-02-24 | 2016-02-24 | Silencer, refrigerating system and air conditioning equipment |
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| CN205401143U true CN205401143U (en) | 2016-07-27 |
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| CN201620139993.5U Active CN205401143U (en) | 2016-02-24 | 2016-02-24 | Silencer, refrigerating system and air conditioning equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649994A (en) * | 2016-02-24 | 2016-06-08 | 格力电器（重庆）有限公司 | Silencer, refrigeration system and air conditioning equipment |
| CN110081569A (en) * | 2019-04-30 | 2019-08-02 | 广东美的制冷设备有限公司 | The control method of air conditioner |
| CN110513532A (en) * | 2019-08-15 | 2019-11-29 | 浙江盾安禾田金属有限公司 | Valve muffler and electric expansion valve with the valve muffler |
| CN110873036A (en) * | 2018-08-31 | 2020-03-10 | 安徽美芝制冷设备有限公司 | Silencer, compressor and refrigeration equipment |
| WO2022127937A1 (en) * | 2020-12-18 | 2022-06-23 | 沈阳海尔电冰箱有限公司 | Compression refrigeration system, and refrigeration and freezing apparatus |
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2016
- 2016-02-24 CN CN201620139993.5U patent/CN205401143U/en active Active
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| CN110081569A (en) * | 2019-04-30 | 2019-08-02 | 广东美的制冷设备有限公司 | The control method of air conditioner |
| CN110513532A (en) * | 2019-08-15 | 2019-11-29 | 浙江盾安禾田金属有限公司 | Valve muffler and electric expansion valve with the valve muffler |
| WO2022127937A1 (en) * | 2020-12-18 | 2022-06-23 | 沈阳海尔电冰箱有限公司 | Compression refrigeration system, and refrigeration and freezing apparatus |
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