Air suction silencer, reciprocating compressor and clothes dryer

Abstract

The utility model discloses an air suction silencer, a reciprocating compressor and a clothes dryer, the air suction silencer comprises a shell, a first silencer, a second silencer, a second silencer and a third silencer, the shell is internally provided with a first silencing cavity; the inlet pipe is communicated with the first silencing cavity; the first end of the silencing pipe is communicated with the first silencing cavity, the silencing pipe is located in the first silencing cavity, and the silencing pipe is provided with a first silencing hole communicated with the first silencing cavity; and the plurality of outlet pipes are respectively communicated with the second end of the silencing pipe. According to the air suction silencer provided by the utility model, the plurality of outlet pipes are arranged, so that the efficiency of discharging air out of the air suction silencer is improved, the air suction silencer can bear higher air flow, and the working efficiency of a reciprocating compressor is improved.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, in particular to an air suction muffler, a reciprocating compressor and a clothes dryer. Background Art

[0002] During the operation of a reciprocating compressor, the suction muffler not only serves as an important component for sound insulation and noise reduction, but also plays an important role in the cooling capacity and energy efficiency of the entire machine. The flow channel inside the suction muffler will affect the flow of the refrigerant inside it, thereby affecting the energy efficiency of the compressor.

[0003] The suction muffler of a reciprocating compressor in the related art is usually provided with an inlet pipe and an outlet pipe, which are respectively used to inhale the refrigerant and discharge the refrigerant into the compression chamber. However, under large flow conditions, the flow rate that a single outlet pipe can provide will restrict the suction muffler from discharging the refrigerant, resulting in a decrease in the working efficiency of the entire reciprocating compressor. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a suction muffler, which improves the efficiency of gas discharge from the suction muffler by setting a plurality of outlet pipes, so that the suction muffler can carry a higher gas flow rate, which is conducive to improving the working efficiency of the reciprocating compressor.

[0005] The utility model also provides a reciprocating compressor comprising the suction muffler.

[0006] The utility model also provides a clothes dryer comprising the reciprocating compressor.

[0007] The air intake silencer according to the embodiment of the utility model includes: a shell, a first silencer chamber is provided in the shell; an inlet pipe, the inlet pipe is connected to the first silencer chamber; a silencer pipe, a first end of the silencer pipe is connected to the first silencer chamber, the silencer pipe is located in the first silencer chamber, and the silencer pipe is provided with a first silencer hole connected to the first silencer chamber; a plurality of outlet pipes, the plurality of outlet pipes are respectively connected to the second end of the silencer pipe.

[0008] According to the suction silencer of the embodiment of the utility model, the efficiency of gas discharge from the suction silencer is improved by setting a plurality of outlet pipes, so that the suction silencer can carry a higher gas flow rate, which is beneficial to improving the cooling capacity and efficiency of the reciprocating compressor; the silencer pipe is also provided with a first silencer hole connected to the first silencer chamber, which improves the silencer effect of the suction silencer.

[0009] In some embodiments, a second silencer chamber is further provided in the shell, the second silencer chamber is spaced apart from the first silencer chamber, the second end of the silencer pipe is connected to the second silencer chamber, and the multiple outlet pipes are respectively connected to the second silencer chamber.

[0010] In some embodiments, the suction silencer further includes a flow guide component, the flow guide component is located in the second silencer chamber, the inlet end of the flow guide component is connected to the second end of the silencer pipe, and the outlet end of the flow guide component is arranged adjacent to the multiple outlet pipes.

[0011] In some embodiments, the flow guide component includes a common section and multiple flow guide segments, the common section is connected to the multiple flow guide segments, the common section is provided with an inlet end of the flow guide component, and each of the flow guide segments is provided with an outlet end of the flow guide component.

[0012] In some embodiments, the outlet ends of the plurality of guide sections are arranged opposite to the plurality of outlet pipes one by one.

[0013] In some embodiments, the guide segment is connected to the common segment by a circular arc transition.

[0014] In some embodiments, at least a portion of the guide segment is formed as an arc segment.

[0015] In some embodiments, the suction silencer also includes a first partition and a second partition, the first partition and the second partition are intersecting and connected, the first partition is used to separate the first silencer chamber and the second silencer chamber; the second partition is arranged in the first silencer chamber to separate the first silencer chamber into a first chamber and a second chamber, the first chamber is provided with the inlet pipe, and the first silencer hole of the silencer pipe is located in the second chamber.

[0016] In some embodiments, the silencer pipe is passed through the second partition plate so that the first end of the silencer pipe is located in the first chamber.

[0017] In some embodiments, the first chamber and the second chamber are separated by the second partition and are not connected to each other.

[0018] In some embodiments, in the cross section of the outlet pipe in the extension direction, the sum of the cross-sectional areas of the air outlet channel defined by each outlet pipe is A1, and in the cross section of the inlet pipe in the extension direction, the cross-sectional area of ​​the air inlet channel defined by the inlet pipe is A2, and the ratio of A1 to A2 satisfies: 1≦A1 / A2≦2.

[0019] In some embodiments, the inlet pipe is connected to a flow guide sleeve, and in a direction away from the inlet pipe, a cross section of at least a portion of the flow guide sleeve gradually increases.

[0020] The reciprocating compressor according to the embodiment of the utility model comprises: the suction muffler described in the above technical solution; a compression component, wherein the compression component defines a compression chamber, and the plurality of outlet pipes are all connected to the compression chamber.

[0021] According to an embodiment of the utility model, the dryer comprises: the reciprocating compressor described in the above technical solution; a condenser, a throttling element and an evaporator, wherein the reciprocating compressor, the condenser, the throttling element and the evaporator are connected in sequence to form a heating cycle; and a holding cavity for holding clothes, wherein the condenser is suitable for exchanging heat with the holding cavity.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] Figure 1 is an explosion diagram of an air suction muffler according to an embodiment of the utility model;

[0025] Figure 2 is a schematic diagram of a flow guide assembly according to other embodiments of the utility model;

[0026] Figure 3 It is a schematic diagram of the coordination between the inlet pipe and the guide sleeve;

[0027] Figure 4 is a schematic diagram of a clothes dryer according to an embodiment of the utility model;

[0028] Figure 5 It is a simulation diagram of the refrigerant flow phenomenon inside the suction muffler during the suction stage of the reciprocating compressor in the related art;

[0029] Figure 6 It is a simulation diagram of the refrigerant flow phenomenon inside the suction muffler during the suction stage of the reciprocating compressor according to the utility model.

[0030] Figure numerals: 100, suction silencer; 200, reciprocating compressor; 300, clothes dryer; 1, shell; 11, first silencer chamber; 111, first chamber; 112, second chamber; 12, second silencer chamber; 13, first part; 14, second part; 2, silencer pipe; 21, first end; 22, second end; 23, first silencer hole; 24, second silencer hole; 3, inlet pipe; 4, outlet pipe; 5, guide assembly; 51, common section; 52, guide section; 6, first partition; 7, second partition; 8, guide sleeve. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Reference below Figure 1-Figure 6 A suction muffler 100 according to an embodiment of the present invention is described.

[0035] Reference Figure 1 , Figure 2 and Figure 3According to an embodiment of the utility model, the suction silencer 100 includes: a shell 1, a silencer pipe 2, an inlet pipe 3 and a plurality of outlet pipes 4. A first silencer chamber 11 is provided in the shell 1. The inlet pipe 3 is communicated with the first silencer chamber 11. The silencer pipe 2 is located in the first silencer chamber 11, and a first end 21 of the silencer pipe 2 is communicated with the first silencer chamber 11. The plurality of outlet pipes 4 are respectively communicated with a second end 22 of the silencer pipe 2.

[0036] It should be noted that the suction muffler 100 is suitable for a reciprocating compressor 200, which includes a casing and a compression component arranged in the casing. The suction muffler 100 is arranged in the casing and is connected to the compression chamber of the compression component. When the reciprocating compressor 200 is working, the gas enters the casing through the air inlet pipe on the casing, and then enters the compression chamber of the compression component for compression after being silenced by the suction muffler 100.

[0037] The suction muffler 100 in the embodiment of the utility model is provided with a plurality of outlet pipes 4, and the plurality of outlet pipes 4 are all used to communicate with the compression chamber. When the gas passes through the suction muffler 100, it first enters the first muffler chamber 11 through the inlet pipe 3, then enters the first end 21 of the muffler pipe 2 through the first muffler chamber 11, and is discharged from the second end 22 of the muffler pipe 2 and then discharged from the suction muffler 100 through the plurality of outlet pipes 4. By providing a plurality of outlet pipes 4, the efficiency of gas discharge from the suction muffler 100 is improved, so that the suction muffler 100 can carry a higher gas flow rate, which is beneficial to improve the refrigeration capacity and efficiency of the reciprocating compressor 200. It should be understood that the plurality of outlet pipes 4 can be two outlet pipes 4, three outlet pipes 4 or other number of outlet pipes 4 greater than one, and the utility model is not limited to this.

[0038] In the embodiment of the utility model, the gas enters the first silencer chamber 11 through the inlet pipe 3, and then enters the first end 21 of the silencer pipe 2 through the first silencer chamber 11. That is to say, the first end 21 of the silencer pipe 2 is spaced apart from the inlet pipe 3, so that the space between the first end 21 of the silencer pipe 2 and the inlet pipe 3 and the other spaces of the first silencer chamber 11 can constitute a resonance space, which can produce a resonance phenomenon, effectively reduce the noise generated by the gas flow, and improve the silencer effect of the suction silencer 100.

[0039] In the embodiment of the utility model, the silencer pipe 2 is also provided with a first silencer hole 23 connected to the first silencer chamber 11. When the gas flows in the silencer pipe 2 and passes through the first silencer hole 23, it can further resonate with the first silencer chamber 11, thereby further improving the silencer effect of the suction silencer 100.

[0040] According to the suction silencer 100 of the embodiment of the utility model, by setting a plurality of outlet pipes 4, the efficiency of gas discharge from the suction silencer 100 is improved, so that the suction silencer 100 can carry a higher gas flow rate, which is beneficial to improving the cooling capacity and efficiency of the reciprocating compressor 200; the space between the first end 21 of the silencer pipe 2 and the inlet pipe 3 and the other spaces of the first silencer chamber 11 can constitute a resonance space, which effectively reduces the noise generated by the gas flow and improves the silencing effect of the suction silencer 100; the silencer pipe 2 is also provided with a first silencing hole 23 connected to the first silencing chamber 11, which further improves the silencing effect of the suction silencer 100.

[0041] Reference Figure 1 , Figure 2 and Figure 3 In some embodiments, a second silencer chamber 12 is further provided in the shell 1, the second silencer chamber 12 is spaced apart from the first silencer chamber 11, the second end 22 of the silencer pipe 2 is connected to the second silencer chamber 12, and the plurality of outlet pipes 4 are respectively connected to the second silencer chamber 12.

[0042] When the gas passes through the suction silencer 100, it first enters the first silencer chamber 11 through the inlet pipe 3, then enters the first end 21 of the silencer pipe 2 through the first silencer chamber 11, enters the second silencer chamber 12 after being discharged from the second end 22 of the silencer pipe 2, and then is discharged from the suction silencer 100 through multiple outlet pipes 4.

[0043] In the embodiment of the utility model, the second silencer chamber 12 is spaced apart from the first silencer chamber 11, that is, the first silencer chamber 11 is not connected to the second silencer chamber 12, so that two silencer chambers are formed in the silencer, further improving the silencer effect of the silencer.

[0044] Reference Figure 1 , Figure 2 and Figure 3 In some further embodiments, the suction silencer 100 further includes a flow guide component 5, which is located in the second silencer chamber 12, the inlet end of the flow guide component 5 is connected to the second end 22 of the silencer pipe 2, and the outlet end of the flow guide component 5 is arranged adjacent to the multiple outlet pipes 4.

[0045] In the above technical solution, after the gas is discharged from the second end 22 of the silencer pipe 2, it can be guided by the guide component 5 so that the gas can be discharged to the outlet pipe 4 more smoothly, further improving the exhaust efficiency of the suction silencer 100 and improving the refrigeration efficiency of the reciprocating compressor 200.

[0046] Reference Figure 1In some specific embodiments, the guide component 5 includes a common section 51 and multiple guide sections 52. The common section 51 is connected to the multiple guide sections 52. The common section 51 is provided with an inlet end of the guide component 5, and each guide section 52 is provided with an outlet end of the guide component 5.

[0047] In the above technical solution, after the gas is discharged from the second end 22 of the silencer pipe 2, it enters the common section 51 through the inlet end, and then is diverted to multiple guide sections 52, and then discharged into the second silencer chamber 12 through the outlet end of each guide section 52. Because of the diversion of multiple guide sections 52, the airflow can enter the multiple outlet pipes 4 more smoothly, further improving the exhaust efficiency of the suction silencer 100 and the refrigeration efficiency of the reciprocating compressor 200.

[0048] Reference Figure 1 In some further embodiments, the outlet ends of the plurality of guide sections 52 are arranged opposite to the plurality of outlet pipes 4 one by one, so as to further improve the smoothness of the airflow entering the outlet pipe 4, that is, to further improve the exhaust efficiency of the suction muffler 100.

[0049] Reference Figure 1 In some embodiments, the guide section 52 is connected to the common section 51 by an arc transition, so that the airflow of the common section 51 can be more smoothly diverted to the guide section 52, further increasing the speed of the gas passing through the suction silencer 100, increasing the flow rate of the reciprocating compressor 200, and increasing the cooling capacity of the reciprocating compressor 200.

[0050] Reference Figure 1 In some further embodiments, at least a portion of the guide section 52 is formed as an arc section, so that the outlet end of the guide section 52 can be arranged opposite to the outlet pipe 4, thereby improving the smoothness of the gas entering the outlet pipe 4.

[0051] Reference Figure 2 In other embodiments, the guide section 52 can also be formed into a straight tube shape. In the embodiment of the utility model, the guide section 52 has a simple shape, which reduces the production cost of the guide component 5 and reduces the cost of the suction muffler 100.

[0052] Reference Figure 1 In some embodiments, the suction silencer 100 further includes: a first partition plate 6 and a second partition plate 7, the first partition plate 6 and the second partition plate 7 intersect and are connected, the first partition plate 6 is used to separate the first silencer chamber 11 and the second silencer chamber 12, the second partition plate 7 is arranged in the first silencer chamber 11 to separate the first silencer chamber 11 into a first chamber 111 and a second chamber 112, the first chamber 111 is provided with an inlet pipe 3, and the first silencer hole 23 of the silencer pipe 2 is located in the second chamber 112.

[0053] In the embodiment of the utility model, when the gas passes through the suction silencer 100, it first enters the first chamber 111 of the first silencer cavity 11 through the inlet pipe 3, then enters the first end 21 of the silencer pipe 2 through the space in the first chamber 111, flows to the second chamber 112 in the silencer pipe 2, then enters the guide component 5 through the second end 22 of the silencer pipe 2, then flows to the second silencer cavity 12 through the guide component 5, and finally is discharged from the suction silencer 100 through multiple outlet pipes 4.

[0054] In the above technical solution, the method of separating different chambers of the suction muffler 100 is simple, which reduces the cost of the suction muffler 100 while ensuring the muffler effect of the suction muffler 100 .

[0055] In some specific embodiments, the muffler pipe 2 is disposed through the second partition plate 7 so that the first end 21 of the muffler pipe 2 is located in the first chamber 111 .

[0056] In the above technical solution, the first end 21 of the silencer pipe 2 is located in the first chamber 111, which shortens the distance between the first end 21 of the silencer pipe 2 and the inlet pipe 3, so that the gas can enter the silencer pipe 2 more smoothly, further increasing the flow rate of the gas in the suction silencer 100, and increasing the flow rate of the reciprocating compressor 200.

[0057] In some embodiments, the first chamber 111 and the second chamber 112 are separated by the second partition 7 and are not connected to each other, that is, the second partition 7 is not provided with a through hole connecting the first chamber 111 and the second chamber 112, which ensures the independence of the first chamber 111 and the second chamber 112, so that the first chamber 111 and the second chamber 112 can be silenced independently, and the first chamber 111, the second chamber 112 and the second silencer chamber 12 make the suction muffler 100 in the embodiment of the utility model form a three-chamber suction muffler 100, further improving the silencing effect of the suction muffler 100. In other embodiments, the second partition 7 can also be provided with a through hole connecting the first chamber 111 and the second chamber 112, all of which are within the protection scope of the utility model.

[0058] Reference Figure 1 In some embodiments, a portion of the silencer pipe 2 located in the first chamber 111 is provided with a second silencer hole 24 , and the second silencer hole 24 can improve the resonance between the silencer pipe 2 and the first chamber 111 , thereby further improving the silencer effect of the suction silencer 100 .

[0059] In other embodiments, the guide component 5 is provided with a third silencer hole connected to the second silencer chamber 12. The third silencer hole can improve the resonance between the guide component 5 and the second silencer chamber 12, thereby further improving the silencer effect of the suction silencer 100.

[0060] Reference Figure 1 In some embodiments, the housing 1 includes a first portion 13 and a second portion 14, the inlet pipe 3 is disposed in the first portion 13, and the plurality of outlet pipes 4 are disposed in the second portion 14. The first portion 13 and the second portion 14 are butt-jointed to define an installation space between the first portion 13 and the second portion 14, and the first partition 6 and the second partition 7 are disposed in the installation space to separate the installation space into a first chamber 111, a second chamber 112, and a second muffler chamber 12.

[0061] In some specific embodiments, the first part 13 and the second part 14 are ultrasonically welded. In other embodiments, the first part 13 and the second part 14 may also be connected by fasteners, snap-fit ​​or other means, which is not limited in the present invention.

[0062] In some embodiments, in the cross section of the extension direction of the outlet pipe 4, the sum of the cross-sectional areas of the air outlet channel defined by each outlet pipe 4 is A1, and in the cross section of the extension direction of the inlet pipe 3, the cross-sectional area of ​​the air inlet channel defined by the inlet pipe 3 is A2, and the ratio of A1 to A2 satisfies: 1≦A1 / A2≦2.

[0063] If A1 / A2<1, it means that the inlet area of ​​the suction muffler 100 is larger than the outlet area, which affects the silencing effect of the suction muffler; if A1 / A2>2, it means that the outlet area of ​​the suction muffler 100 is much larger than the inlet area, and the inlet area is much smaller than the outlet area, which limits the air intake of the inlet pipe 3, fails to fully utilize the advantages of the multiple outlet pipes 4, and affects the flow rate of the suction muffler 100.

[0064] The embodiment of the utility model limits the ratio of A1 to A2 to 1≦A1 / A2≦2, thereby ensuring the silencing effect of the suction muffler 100 and improving the exhaust efficiency of the suction muffler 100, so that the suction muffler 100 can carry a higher gas flow rate, which is beneficial to improving the cooling capacity and efficiency of the reciprocating compressor 200.

[0065] In some specific embodiments, the ratio of A1 to A2 is 1.5. In other specific embodiments, the ratio of A1 to A2 may be 1, 1.2, 1.6, 1.8, 2, or other values.

[0066] Reference Figure 1 and Figure 3 In some embodiments, the inlet pipe 3 is connected to a flow guide sleeve 8 , and in a direction away from the inlet pipe 3 , at least a portion of the cross section of the flow guide sleeve 8 gradually increases.

[0067] Through the above technical solution, the gas in the casing of the reciprocating compressor 200 can more easily enter the inlet pipe 3, further increasing the flow rate of the suction muffler 100 and further increasing the refrigeration capacity of the reciprocating compressor 200.

[0068] In some specific embodiments, the flow guide sleeve 8 is configured as a rubber sleeve, and the flow guide sleeve 8 is clamped with the inlet pipe 3 .

[0069] In the above technical solution, the guide sleeve 8 has a simple structure, which reduces the cost of the suction muffler 100.

[0070] It should be understood that, in other embodiments, the guide sleeve 8 may also be fixed to the inlet pipe 3 by means of screw connection, bonding, integral molding, etc., and the present invention is not limited thereto.

[0071] In some embodiments, the diameter of the inlet pipe 3 is D1, and D1 satisfies: D1 ≥ 8 mm, so as to increase the gas flow entering the suction muffler 100 and improve the suction efficiency of the suction muffler 100.

[0072] In some specific embodiments, the diameter D1 of the inlet pipe 3 is 8 mm. In other specific embodiments, the diameter D1 of the inlet pipe 3 may also be 8.2 mm, 8.3 mm, 8.8 mm, 9 mm or other sizes.

[0073] In some embodiments, the flow channel cross-section of the silencer pipe 2 may be circular, square or other shapes, and the present invention is not limited to this. The equivalent pipe diameter of the cross-sectional area of ​​the silencer pipe 2 is D2, and D2 satisfies: D2 ≥ 7 mm to meet the large flow output of the suction silencer 100.

[0074] In some specific embodiments, the equivalent diameter D2 of the cross-sectional area of ​​the muffler pipe 2 is 7 mm. In other specific embodiments, the equivalent diameter D2 of the cross-sectional area of ​​the muffler pipe 2 can also be 7.2 mm, 7.3 mm, 7.8 mm, 8 mm, or other sizes.

[0075] In some embodiments, the diameter of the guide section 52 is D3, and D3 satisfies: D3 ≥ 7 mm, so as to meet the large flow output of the suction muffler 100.

[0076] In some specific embodiments, the diameter D3 of the flow guide section 52 is 7 mm. In other specific embodiments, the diameter D3 of the flow guide section 52 can also be 7.2 mm, 7.3 mm, 7.8 mm, 8 mm, or other sizes.

[0077] The following is the attached Figure 1-3 A specific embodiment of the utility model is described.

[0078] According to the embodiment of the utility model, the suction silencer 100 includes: a shell 1, a silencer pipe 2, an inlet pipe 3 and two outlet pipes 4. A first silencer chamber 11 is provided in the shell 1. The inlet pipe 3 is connected to the first silencer chamber 11. The silencer pipe 2 is located in the first silencer chamber 11, and the first end 21 of the silencer pipe 2 is connected to the first silencer chamber 11. The two outlet pipes 4 are respectively connected to the second end 22 of the silencer pipe 2.

[0079] The silencer pipe 2 is further provided with a first silencer hole 23 communicating with the first silencer chamber 11 .

[0080] A second silencing chamber 12 is also provided in the housing 1 . The second silencing chamber 12 is spaced apart from the first silencing chamber 11 . The second end 22 of the silencing pipe 2 is connected to the second silencing chamber 12 . The two outlet pipes 4 are respectively connected to the second silencing chamber 12 .

[0081] The suction silencer 100 further includes a flow guide component 5 , which is located in the second silencer chamber 12 , an inlet end of the flow guide component 5 is connected to the second end 22 of the silencer pipe 2 , and an outlet end of the flow guide component 5 is disposed adjacent to the two outlet pipes 4 .

[0082] The flow guide component 5 includes a common section 51 and two flow guide sections 52 . The common section 51 is connected to the two flow guide sections 52 . The common end is provided with an inlet end of the flow guide component 5 . Each flow guide section 52 is provided with an outlet end of the flow guide component 5 .

[0083] The outlet ends of the two guide sections 52 are arranged opposite to the two outlet pipes 4 one by one, so as to further improve the smoothness of the airflow entering the outlet pipe 4, that is, to further improve the exhaust efficiency of the suction muffler 100.

[0084] The guide section 52 is connected to the common section 51 by an arc transition, and a part of the guide section 52 is formed as an arc section.

[0085] The suction silencer 100 also includes: a first partition plate 6 and a second partition plate 7, the first partition plate 6 and the second partition plate 7 intersect and are connected, the first partition plate 6 is used to separate the first silencer chamber 11 and the second silencer chamber 12, the second partition plate 7 is arranged in the first silencer chamber 11 to separate the first silencer chamber 11 into a first chamber 111 and a second chamber 112, the first chamber 111 is provided with an inlet pipe 3, and the first silencer hole 23 of the silencer pipe 2 is located in the second chamber 112.

[0086] The muffler pipe 2 is passed through the second partition plate 7 so that the first end 21 of the muffler pipe 2 is located in the first chamber 111. The first chamber 111 and the second chamber 112 are separated by the second partition plate 7 and are not connected to each other. The portion of the muffler pipe 2 located in the first chamber 111 is provided with a second muffler hole 24.

[0087] The housing 1 includes a first portion 13 and a second portion 14, the inlet pipe 3 is disposed in the first portion 13, and the two outlet pipes 4 are both disposed in the second portion 14. The first portion 13 and the second portion 14 are butt-jointed to define an installation space between the first portion 13 and the second portion 14, and the first partition plate 6 and the second partition plate 7 are disposed in the installation space to separate the installation space into a first chamber 111, a second chamber 112, and a second muffler chamber 12. The first portion 13 and the second portion 14 are ultrasonically welded.

[0088] In the cross section of the extension direction of the outlet pipe 4, the sum of the cross-sectional areas of the outlet passages defined by each outlet pipe 4 is A1, and in the cross section of the extension direction of the inlet pipe 3, the cross-sectional area of ​​the inlet passage defined by the inlet pipe 3 is A2, and the ratio of A1 to A2 is 1.5.

[0089] The inlet pipe 3 is connected with a flow guide sleeve 8, and the cross section of the flow guide sleeve 8 gradually increases in the direction away from the inlet pipe 3. The flow guide sleeve 8 is configured as a rubber sleeve, and the flow guide sleeve 8 is clamped with the inlet pipe 3.

[0090] The diameter D1 of the inlet pipe 3 is 8 mm. The flow passage cross section of the muffler pipe 2 is circular, and the diameter D2 of the cross section of the muffler pipe 2 is 7 mm. The diameter D3 of the flow guide section 52 is 7 mm.

[0091] Reference Figure 5 and Figure 6 ,in Figure 5 It is a simulation diagram of the refrigerant flow phenomenon inside the suction muffler during the suction stage of the reciprocating compressor in the related art; Figure 6 It is a simulation diagram of the refrigerant flow phenomenon inside the suction muffler during the suction stage of the reciprocating compressor according to the utility model. Figure 5 and Figure 6 The suction mufflers are all in high back pressure conditions, and a 0.3MPa pressure difference is given to the inlet and outlet of the suction muffler. The simulation results are: the refrigerant mass flow rate at the outlet of the suction muffler in the related art is 0.0166kg / m3; the refrigerant mass flow rate at the outlet of the suction muffler in the utility model is 0.0202kg / m3, an increase of 21.7%.

[0092] Reference Figure 1 , Figure 3 and Figure 4 According to the embodiment of the utility model, the reciprocating compressor 200 comprises: a compression component and the suction muffler 100 in the above technical solution, the compression component defines a compression chamber, and a plurality of outlet pipes 4 are all connected to the compression chamber.

[0093] According to the reciprocating compressor 200 of the embodiment of the utility model, by setting a plurality of outlet pipes 4, the efficiency of gas discharge from the suction muffler 100 is improved, so that the suction muffler 100 can carry a higher gas flow rate, thereby improving the working efficiency of the reciprocating compressor 200; the space between the first end 21 of the muffler pipe 2 and the inlet pipe 3 and the other space of the first muffler chamber 11 can constitute a resonance space, which effectively reduces the noise generated by the gas flow, improves the muffler effect of the suction muffler 100, and reduces the noise of the reciprocating compressor 200; the muffler pipe 2 is also provided with a first muffler hole 23 connected to the first muffler chamber 11, which further improves the muffler effect of the suction muffler 100 and further reduces the noise of the reciprocating compressor 200.

[0094] Reference Figure 1 , Figure 3 and Figure 4 According to the embodiment of the utility model, the clothes dryer 300 comprises: a condenser, a throttling element, an evaporator and the reciprocating compressor 200 in the above technical solution, and the reciprocating compressor 200, the condenser, the throttling element and the evaporator are sequentially connected to form a circulation loop. The clothes dryer 300 also comprises a holding cavity for holding clothes, and the condenser is suitable for exchanging heat with the holding cavity.

[0095] According to the dryer 300 of the embodiment of the utility model, by setting a plurality of outlet pipes 4, the efficiency of gas discharge from the suction silencer 100 is improved, so that the suction silencer 100 can carry a higher gas flow rate, and the working efficiency of the reciprocating compressor 200 is improved, thereby improving the drying effect of the dryer 300; the space between the first end 21 of the silencer pipe 2 and the inlet pipe 3 and the other spaces of the first silencer chamber 11 can constitute a resonance space, which effectively reduces the noise generated by the gas flow, improves the silencer effect of the suction silencer 100, and reduces the noise of the dryer 300; the silencer pipe 2 is also provided with a first silencer hole 23 connected to the first silencer chamber 11, which further improves the silencer effect of the suction silencer 100 and further reduces the noise of the dryer 300.

[0096] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0097] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A suction muffler, characterized in that: include: A shell, wherein a first silencing chamber is provided in the shell; an inlet pipe, the inlet pipe being in communication with the first muffler chamber; A silencer pipe, wherein a first end of the silencer pipe is communicated with the first silencer cavity, the silencer pipe is located in the first silencer cavity, and the silencer pipe is provided with a first silencer hole communicated with the first silencer cavity; A plurality of outlet pipes are respectively communicated with the second end of the muffler pipe.

2. The suction muffler according to claim 1, characterized in that: A second silencing chamber is also provided in the shell, the second silencing chamber is spaced apart from the first silencing chamber, the second end of the silencing pipe is communicated with the second silencing chamber, and the multiple outlet pipes are respectively communicated with the second silencing chamber.

3. The suction muffler according to claim 2, characterized in that: It also includes a flow guide component, which is located in the second muffler cavity, the inlet end of the flow guide component is connected to the second end of the muffler pipe, and the outlet end of the flow guide component is arranged adjacent to the multiple outlet pipes.

4. The suction muffler according to claim 3, characterized in that: The flow guide component comprises a common section and a plurality of flow guide sections, the common section is in communication with the plurality of flow guide sections, the common section is provided with an inlet end of the flow guide component, and each of the flow guide sections is provided with an outlet end of the flow guide component.

5. The suction muffler according to claim 4, characterized in that: The outlet ends of the plurality of guide sections are arranged opposite to the plurality of outlet pipes one by one.

6. The suction muffler according to claim 4, characterized in that: The guide section is connected to the common section by a circular arc transition.

7. The suction muffler according to claim 6, characterized in that: At least a portion of the flow guide segment is formed as an arc segment.

8. The suction muffler according to claim 2, characterized in that: It also includes a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are intersected and connected, and the first partition plate is used to separate the first silencing chamber from the second silencing chamber; The second partition is arranged in the first silencing chamber to separate the first silencing chamber into a first chamber and a second chamber. The first chamber is provided with the inlet pipe, and the first silencing hole of the silencing pipe is located in the second chamber.

9. The suction muffler according to claim 8, characterized in that: The silencer pipe is disposed through the second partition plate so that the first end of the silencer pipe is located in the first chamber.

10. The suction muffler according to claim 8, characterized in that: The first chamber and the second chamber are separated by the second partition plate and are not connected to each other.

11. The suction muffler according to claim 1, characterized in that: In the cross section of the extension direction of the outlet pipe, the sum of the cross-sectional areas of the air outlet channels defined by each outlet pipe is A1, and in the cross section of the extension direction of the inlet pipe, the cross-sectional area of ​​the air inlet channel defined by the inlet pipe is A2, and the ratio of A1 to A2 satisfies: 1≦A1 / A2≦2.

12. The suction silencer according to any one of claims 1 to 11, characterized in that: The inlet pipe is connected to a flow guide sleeve, and in a direction away from the inlet pipe, a cross section of at least a portion of the flow guide sleeve gradually increases.

13. A reciprocating compressor, characterized in that: include: The suction silencer according to any one of claims 1 to 12; The compression component defines a compression chamber, and the plurality of outlet pipes are all in communication with the compression chamber.

14. A clothes dryer, characterized in that: include: The reciprocating compressor according to claim 13; A condenser, a throttling element and an evaporator, wherein the reciprocating compressor, the condenser, the throttling element and the evaporator are sequentially connected to form a circulation loop; The holding cavity is used for holding clothes, and the condenser is suitable for exchanging heat with the holding cavity.

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