CN215063024U

CN215063024U - Silencing device, liquid storage device and compressor

Info

Publication number: CN215063024U
Application number: CN202120959274.9U
Authority: CN
Inventors: 于华生; 王海军; 单树军
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-07
Anticipated expiration: 2031-05-07

Abstract

The utility model provides a silencing device, a liquid storage device and a compressor, wherein the silencing device comprises a circular baffle, a first hollow sleeve arranged on the baffle and at least one through hole penetrating through the baffle; the inner cavity of the first hollow sleeve is coaxial with the partition plate, the outer side wall of the first hollow sleeve is circumferentially arranged along the inner circle of the partition plate, and the first hollow sleeve and the partition plate are both used for being sleeved on the air outlet pipe of the liquid storage device; the excircle of baffle be used for with the inner wall of the barrel of reservoir links to each other. The reservoir comprises a silencing device as described above. The compressor comprises the liquid storage device. The silencer can increase the transmission loss of the transmission sound in the liquid storage device, particularly can remarkably improve the transmission loss of the transmission sound with the frequency range of 400Hz-800Hz, and thus effectively weakens or eliminates the transmission sound. And the reservoir can be provided with more silencing devices to realize the functional superposition of the silencing devices.

Description

Silencing device, liquid storage device and compressor

Technical Field

The utility model relates to a compressor technical field especially relates to an silencing device, reservoir and compressor.

Background

The transmission sound often appears in the air conditioner indoor unit, in order to solve the transmission sound problem, a partition plate is arranged on an air outlet pipe of a liquid storage device in the prior art to improve the transmission sound, and for the transmission sound of a 400-plus-800 Hz frequency band generated in the operation process of a refrigeration system, even if the existing partition plate is arranged, the transmission loss of the transmission sound of the frequency band in the liquid storage device is still small and cannot be weakened, so that the transmission sound problem of the liquid storage device is still severe.

Therefore, there is a need for a muffler device that is installed in a reservoir and can effectively eliminate transmitted sound.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silencing device, reservoir and compressor to the reservoir that exists does not be equipped with silencing device and can't weaken the transmission sound among the solution prior art, and can't eliminate the problem of specific frequency's transmission sound.

In order to solve the technical problem, the utility model provides a silencing device which is applied to a liquid storage device and comprises a circular baffle plate, a first hollow sleeve arranged on the baffle plate and at least one through hole which penetrates through the baffle plate;

the inner cavity of the first hollow sleeve is coaxially arranged with the inner circle of the partition plate, the outer side wall of the first hollow sleeve is circumferentially arranged along the inner circle of the partition plate, and the first hollow sleeve and the partition plate are both used for being sleeved on the air outlet pipe of the liquid storage device;

the excircle of baffle be used for with the inner wall of the barrel of reservoir links to each other.

Optionally, the partition plate is further provided with a through hole column corresponding to the through hole, and the through hole penetrates through the through hole column in the axial direction.

Optionally, the axial height of the through hole column relative to the partition plate is 2mm to 20mm, and the axial height of the through hole column relative to the partition plate is the height of the through hole column protruding out of the partition plate.

Optionally, the axial height of the through hole column relative to the partition plate is 5 mm-20 mm.

Optionally, the aperture of the through hole is 0.5 mm-20 mm.

Optionally, the axial height of the first hollow sleeve relative to the partition is greater than 3mm, and the axial height of the first hollow sleeve relative to the partition is the height of the first hollow sleeve protruding from the partition.

Optionally, the first hollow sleeve is used to be disposed at one end of the partition plate close to the air suction pipe of the liquid reservoir, and the through-hole column is used to be disposed at one end of the partition plate far from the air suction pipe of the liquid reservoir.

Optionally, the first hollow sleeve, the partition plate and the through-hole column are integrally formed.

The utility model also provides a liquid storage device, which comprises at least one silencing device, a cylinder body, an air suction pipe and an air outlet pipe;

one end of the air suction pipe protrudes out of the cylinder body, and the other end of the air suction pipe is fixed on the cylinder body;

the air outlet pipe is arranged in the cylinder body along the axial direction of the cylinder body, and one end of the air outlet pipe, which is far away from the air suction pipe, is fixed on the cylinder body;

the silencer is sleeved on the air outlet pipe and connected with the inner wall of the barrel.

The utility model also provides a compressor, include as above the reservoir.

Compared with the prior art, the utility model provides a silencing device, reservoir and compressor have following advantage: the utility model provides a silencing device which comprises a circular baffle, a first hollow sleeve arranged on the baffle and at least one through hole penetrating through the baffle; the inner cavity of the first hollow sleeve is coaxially arranged with the inner circle of the partition plate, the outer side wall of the first hollow sleeve is circumferentially arranged along the inner circle of the partition plate, and the first hollow sleeve and the partition plate are both used for being sleeved on the air outlet pipe of the liquid storage device; the excircle of baffle be used for with the inner wall of the barrel of reservoir links to each other, from this, through first cavity sleeve with the structure of baffle can with silencing device cover is established on the outlet duct of reservoir, and makes silencing device can pass through the excircle of baffle with the inner wall of the barrel of reservoir links to each other, not only effectually will silencing device stabilizes be fixed in between the barrel of reservoir and the outlet duct, can also more effectual assurance silencing device with the barrel with gas tightness between the outlet duct. Meanwhile, the liquid refrigerant in the liquid reservoir can also flow into the bottom of the cylinder body of the liquid reservoir through the through hole; and through the through hole, the partition plate, the structure that the first hollow sleeve is matched with the liquid storage device, the transmission loss of the transmission sound with specific frequency in the liquid storage device can be increased, and therefore the transmission sound is effectively weakened or eliminated. Furthermore, the utility model provides a silencing device can show the transmission loss who improves the frequency channel and be located 400Hz-800Hz transmission sound to effectively improve the transmission sound problem that arouses through the reservoir. The liquid storage device provided by the utility model comprises at least one silencing device, a cylinder body, an air suction pipe and an air outlet pipe; the air suction pipe is arranged outside the cylinder body, and one end of the air suction pipe is fixed on the cylinder body; the air outlet pipe is arranged in the cylinder body, and one end of the air outlet pipe, which is far away from the air suction pipe, is fixed on the cylinder body; silencing device cover is located on the outlet duct, and with the inner wall of barrel links to each other, therefore, the utility model provides a reservoir includes as above silencing device's all advantages, no longer gives unnecessary details here. Because the utility model provides a compressor includes as above the reservoir, from this, the utility model provides a reservoir includes as above all advantages of reservoir, no longer give unnecessary details here.

Drawings

Fig. 1 is a schematic plan view of a silencer according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the muffler assembly of FIG. 1 taken along the direction A-A;

fig. 3 is a schematic structural view of a liquid reservoir according to an embodiment of the present invention;

fig. 4 is a waveform diagram of the transmission loss of the transmission sound with frequency variation between the liquid storage device and the existing liquid storage device according to an embodiment of the present invention.

Wherein the reference numbers are as follows:

100-cylinder body, 110-air suction pipe, 120-air outlet pipe, 130-filter screen support, 131-bulge, 132-guide plate, 200-partition plate, 210-first hollow sleeve, 220-second hollow sleeve, 230-through hole and 240-through hole column.

Detailed Description

To make the objects, advantages and features of the present invention clearer, the silencer, the liquid storage device and the compressor of the present invention are further described in detail with reference to fig. 1 to 4. It should be noted that the drawings are simplified and have non-precise ratios, and are only used for convenience and clarity to assist in describing the embodiments of the present invention, and are not used for limiting the implementation of the present invention, so that the present invention has no technical essential significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed by the present invention can cover without affecting the function and the achievable purpose of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

The core thought of the utility model lies in providing a silencing device, reservoir and compressor to realize increasing the transmission loss of transmission sound in the reservoir, especially can increase the transmission loss of transmission sound that the frequency channel is located 400Hz-800Hz in the reservoir, thereby effectively improve the transmission sound problem that arouses through the reservoir.

In order to achieve the above idea, the present invention provides a silencer device applied to a liquid storage device, please refer to fig. 1 and fig. 2, wherein fig. 1 schematically shows a schematic plan structure diagram of the silencer device provided by the present invention; fig. 2 schematically shows a cross-sectional view of the silencer device of fig. 1 in the direction a-a. As shown in fig. 1 and 2, the silencer includes a circular partition plate 200, a first hollow sleeve 210 provided on the partition plate 200, and at least one through hole 230 penetrating the partition plate 200; the inner cavity of the first hollow sleeve 210 is coaxial with the partition board 200, the outer side wall of the first hollow sleeve 210 is circumferentially arranged along the inner circle of the partition board 200, and both the first hollow sleeve 210 and the partition board 200 are used for being sleeved on the air outlet pipe 120 of the reservoir; the outer circle of the partition 200 is used to be connected with the inner wall of the cylinder 100 of the reservoir. From this, through first hollow sleeve 210 with the structure of baffle 200 can with silencing device cover is established on the outlet duct 120 of reservoir, and make silencing device can pass through the excircle of baffle 200 with the inner wall of the barrel 100 of reservoir links to each other, not only effectively with silencing device is firm be fixed in between the barrel 100 of reservoir and the outlet duct 120, can also more effectively guarantee silencing device with the barrel 100 with the gas tightness between the outlet duct 120. Meanwhile, the liquid refrigerant in the accumulator can also flow into the bottom of the cylinder 100 of the accumulator through the through hole 230; and the transmission loss of the transmission sound of specific frequency through the silencer can be increased through the structure that the through hole 230, the partition plate 200, the first hollow sleeve 210 and the liquid storage tank are matched, so that the transmission sound can be effectively weakened or eliminated. Furthermore, the utility model provides a silencing device can show the transmission loss who improves the frequency channel and be located 400Hz-800Hz transmission sound to effectively improve the transmission sound problem that arouses through the reservoir.

It should be noted that the noise reduction device is preferably installed in the liquid reservoir by welding, that is, the partition plate 200 and the air outlet pipe 120, the first hollow sleeve 210 and the air outlet pipe 120, and the partition plate 200 and the inner wall of the cylinder 100 of the liquid reservoir are all connected by welding; in some other embodiments, the connection between the partition board 200 and the air outlet pipe 120, between the first hollow sleeve 210 and the air outlet pipe 120, and between the partition board 200 and the inner wall of the cylinder 100 of the liquid storage device may also be a specific adhesive, a specific snap connection, or an integral molding.

The following describes the silencer according to the present invention in detail with reference to fig. 1 and 2:

preferably, the silencing device further comprises a second hollow sleeve 220 arranged along the circumferential direction of the outer circle of the partition plate 200, the second hollow sleeve 220 is located on one side of the partition plate 200, which is far away from the first hollow sleeve 210, and the second hollow sleeve 220 is used for being connected with the inner wall of the cylinder 100 of the liquid reservoir. Since the second hollow sleeve 220 has a larger contact surface, the connection between the muffler and the cylinder 100 can be more effectively achieved by the second hollow sleeve 220, thereby ensuring the reliability of the installation of the muffler.

Preferably, the partition board 200 is further provided with a through hole column 240 corresponding to the through hole 230, and the through hole 230 penetrates through the through hole column 240 in the axial direction. Because work as silencing device install in when in the reservoir, silencing device barrel 100 the cavity can be formed between the outlet duct 120, through setting up through hole post 240 can improve the structure in the cavity effectively, and runs through hole post 240 the through-hole 230 is equivalent to the structure of throat formula to make the transmission sound can take place the multiple reflection in the cavity, be difficult to transmit away, especially can increase the transmission loss of the transmission sound of frequency channel 400Hz-800Hz, in order to reach the purpose of improving the transmission sound in the reservoir.

It should be noted that, because an accommodating space is formed between the second hollow sleeve 220 and the partition board 200, and the through-hole column 240 is located in the accommodating space, in some other embodiments, at least one partition board 200 may be further disposed in the accommodating space, an outer circle of the at least one partition board 200 may be connected to the second hollow sleeve 220, and the at least one partition board 200 is sequentially connected to the partition board 200 provided with the first hollow sleeve 210 through the through-hole column 240, an inner circle of the at least one partition board 200 is also used for being connected to the outlet pipe 120 of the reservoir, when the muffler device provided in this way is installed in the cylinder 100 of the reservoir, a cavity may be formed between two adjacent partition boards 200, the outlet pipe 120 of the reservoir, and the second hollow sleeve 220.

Preferably, the number of the through holes 230 is plural, and the through holes are symmetrically arranged along the circumferential direction of the partition board 200. Specifically, four through-hole 230 is along two-layer baffle 200 circumference symmetry sets up in order to realize the utility model provides a silencing device. Therefore, the silencer can effectively ensure that the transmission loss of transmission sound can be obviously improved, the transmission sound in the liquid storage device is weakened, the manufacturing process can be effectively simplified, and the cost can be saved.

Preferably, the aperture d of the through hole 230 is 0.5mm to 20 mm. Therefore, the arrangement enables the through holes 230 to effectively pass through the liquid refrigerant, and to cooperate with the partition plate 200 and the through hole pillars 240, so as to effectively weaken the transmission sound of specific frequency. It should be noted that the through hole is preferably a circular hole, and in some other embodiments, the shape of the through hole may also be a polygon or an irregular shape, etc.

Preferably, the axial height h1 of the first hollow sleeve 210 relative to the partition 200 is greater than 3mm, and the axial height h2 of the first hollow sleeve 210 relative to the partition 200 is the height by which the first hollow sleeve 210 protrudes above the partition 200. Therefore, the connection between the silencing device and the air outlet pipe 120 of the liquid reservoir is more stable and reliable.

Preferably, the axial height h2 of the through hole pillar 240 relative to the partition board 200 is 2 mm-20 mm, and the axial height h2 of the through hole pillar 240 relative to the partition board 200 is the height of the through hole pillar 240 protruding from the partition board 200. Since the influence on the increase of the transmission loss of the transmission sound is small when the through hole pillar exceeding 20mm is continuously lengthened, controlling the length of the through hole pillar 240 can both ensure the elimination of the transmission sound of a specific frequency in structure and effectively control the cost.

More preferably, the axial height h2 of the through-hole post 240 relative to the partition board 200 is 5mm to 20 mm. Therefore, the through hole pillar 240 having a height of 5mm to 20mm can ensure that the transmission sound of a specific frequency is eliminated in the structure, and can be more effectively matched with the structure of the partition board 200.

Preferably, the first hollow sleeve 210 is configured to be disposed at an end of the partition 200 close to the air suction pipe 110 of the accumulator, and the through-hole column 240 is configured to be disposed at an end of the partition 200 far from the air suction pipe 110 of the accumulator. Therefore, the arrangement is more beneficial to forming the structure of the cavity in the reservoir, so that the through hole column 240 is positioned in the lower cavity formed after the reservoir is separated by the partition plate 200, and the transmission loss of the transmission sound is more beneficial to increasing.

Preferably, the first hollow sleeve 210, the partition plate 200 and the through-hole column 240 are integrally formed. Thus, the integrally formed structure is more advantageous for manufacturing and installing the muffler device, and more particularly, the integrally formed structure is formed between the second hollow sleeve 220, the first hollow sleeve 210, the partition plate 200, and the through-hole post 240.

In order to realize the above idea, the present invention further provides a liquid storage device, please refer to fig. 3 and fig. 4, wherein fig. 3 schematically shows a schematic structural diagram of the liquid storage device provided by the present invention;

fig. 4 is a waveform diagram schematically showing the transmission loss of the transmission sound of the liquid storage device and the existing liquid storage device, which changes with the frequency. As shown in fig. 3, the liquid reservoir includes at least one sound-deadening device as described above, a cylinder 100, a gas suction pipe 110, and a gas outlet pipe 120; one end of the air suction pipe 110 protrudes out of the cylinder 100, and the other end of the air suction pipe 110 is fixed on the cylinder 100; the gas outlet pipe 120 is arranged in the cylinder 100 along the axial direction of the cylinder 100, and one end of the gas outlet pipe 120, which is far away from the gas suction pipe 110, is fixed on the cylinder 100; the silencer is sleeved on the outlet pipe 120 and connected with the inner wall of the cylinder 100. Therefore, the utility model provides a reservoir not only includes as above silencing device's all advantages, can also be through setting up a plurality of silencing device realizes functional stack to can weaken the transmission sound more effectively. And can see from figure 4, when the frequency channel is located 440Hz-720Hz, the utility model provides an inside silencing device of reservoir is obviously greater than the transmission loss of current reservoir inner structure to the transmission sound to the transmission loss of transmission sound, consequently, the utility model provides a reservoir can show the transmission loss who increases the transmission sound, effectively weakens the frequency channel 400Hz-800Hz, especially the transmission sound of frequency channel 440Hz-720 Hz.

It should be noted that, in some other embodiments, when the reservoir includes at least two muffling devices, the connection manner between the at least two muffling devices may be an integrally formed structure, that is, the through hole 230, the first hollow sleeve 210, the second hollow sleeve 220 and the through hole column 240 of each muffling device are connected to the corresponding structures of the adjacent muffling devices.

Preferably, the reservoir further includes a filter screen support 130 disposed in the cylinder 100, the periphery of the filter screen support 130 is connected to the inner wall of the cylinder 100, and the filter screen support 130 is provided with a plurality of flow guide holes. Accordingly, the screen holder 130 may support a screen to filter the refrigerant sucked from the suction pipe 110.

Specifically, the strainer holder 130 includes a connecting support plate and a protrusion 131, the protrusion 131 is disposed on one side of the strainer holder 130 close to the suction pipe 110, and the protrusion 131 is used for guiding the refrigerant sucked from the suction pipe 110; the plurality of flow guide holes are formed in the supporting plate, the plurality of flow guide holes are distributed in a central symmetry mode along the circumferential direction of the filter screen support 130, each flow guide hole is provided with a flow guide plate 132 matched with the flow guide hole, and the flow guide plate 132 deviates from one side, close to the air suction pipe 110, of the filter screen support 130.

In order to realize the above idea, the utility model also provides a compressor, including as above the reservoir. Therefore, the utility model provides a reservoir includes all advantages of reservoir as described above, and no longer the repeated description here.

To sum up, compare with prior art, the utility model provides a silencing device, reservoir and compressor have following advantage:

the utility model provides a silencing device which comprises a circular baffle, a first hollow sleeve arranged on the baffle and at least one through hole penetrating through the baffle; the inner cavity of the first hollow sleeve is coaxially arranged with the inner circle of the partition plate, the outer side wall of the first hollow sleeve is circumferentially arranged along the inner circle of the partition plate, and the first hollow sleeve and the partition plate are both used for being sleeved on the air outlet pipe of the liquid storage device; the excircle of baffle be used for with the inner wall of the barrel of reservoir links to each other, from this, through first cavity sleeve with the structure of baffle can with silencing device cover is established on the outlet duct of reservoir, and makes silencing device can pass through the excircle of baffle with the inner wall of the barrel of reservoir links to each other, not only effectually will silencing device stabilizes be fixed in between the barrel of reservoir and the outlet duct, can also more effectual assurance silencing device with the barrel with gas tightness between the outlet duct. Meanwhile, the liquid refrigerant in the liquid reservoir can also flow into the bottom of the cylinder body of the liquid reservoir through the through hole; and through the through hole, the partition plate, the structure that the first hollow sleeve is matched with the liquid storage device, the transmission loss of the transmission sound with specific frequency in the liquid storage device can be increased, and therefore the transmission sound is effectively weakened or eliminated. Furthermore, the utility model provides a silencing device can show the transmission loss who improves the frequency channel and be located 400Hz-800Hz transmission sound to effectively improve the transmission sound problem that arouses through the reservoir. The liquid storage device provided by the utility model comprises at least one silencing device, a cylinder body, an air suction pipe and an air outlet pipe; the air suction pipe is arranged outside the cylinder body, and one end of the air suction pipe is fixed on the cylinder body; the air outlet pipe is arranged in the cylinder body, and one end of the air outlet pipe, which is far away from the air suction pipe, is fixed on the cylinder body; silencing device cover is located on the outlet duct, and with the inner wall of barrel links to each other, therefore, the utility model provides a reservoir includes as above silencing device's all advantages, no longer gives unnecessary details here. Because the utility model provides a compressor includes as above the reservoir, from this, the utility model provides a reservoir includes as above all advantages of reservoir, no longer give unnecessary details here.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A silencing device is applied to a liquid storage device and is characterized by comprising a circular partition plate, a first hollow sleeve arranged on the partition plate and at least one through hole penetrating through the partition plate;

2. The silencer device according to claim 1, wherein the partition plate is further provided with a through hole column corresponding to the through hole, and the through hole penetrates through the through hole column in the axial direction.

3. The acoustic yet device of claim 2, wherein the axial height of the through-hole pillar relative to the partition is 2mm to 20mm, and the axial height of the through-hole pillar relative to the partition is a height at which the through-hole pillar protrudes from the partition.

4. The acoustic yet apparatus of claim 3, wherein the axial height of the through-hole post relative to the baffle is 5mm to 20 mm.

5. The silencing apparatus according to claim 1, wherein the aperture of the through hole is 0.5mm to 20 mm.

6. The acoustic baffle device of claim 1 wherein the axial height of the first hollow sleeve relative to the baffle is greater than 3mm, the axial height of the first hollow sleeve relative to the baffle being the height that the first hollow sleeve projects above the baffle.

7. The acoustic yet further defined in claim 2 wherein the first hollow sleeve is adapted to be disposed at an end of the partition proximate to the air intake duct of the reservoir and the through-hole post is adapted to be disposed at an end of the partition distal to the air intake duct of the reservoir.

8. The acoustic abatement apparatus of claim 2, wherein the first hollow sleeve, the baffle, and the through-hole column are integrally formed.

9. An accumulator, characterized in that it comprises at least one silencing device according to any one of claims 1 to 8, a cylinder, an air suction pipe and an air outlet pipe;

one end of the air suction pipe protrudes out of the cylinder body, and the other end of the air suction pipe is fixed at one end of the cylinder body;

the air outlet pipe is arranged in the cylinder body along the axial direction of the cylinder body, and one end, far away from the air suction pipe, of the air outlet pipe is fixed at the other end of the cylinder body;

10. A compressor, comprising an accumulator as claimed in claim 9.