Oil finishing device and compressor

By designing an oil static device in the compressor, the bubbles in the return oil are reduced by using the static holes on the partition, the problem of the return oil with bubbles being directly mixed into the bottom oil pool is solved, and the lubrication effect of the oil and the reliability of the compressor are improved.

CN119737294AActive Publication Date: 2025-04-01NANCHANG HICHLY ELECTRICAL APPLIANCE +1
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Patent Information

Application Number
CN202411777524.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-04-01
Estimated Expiration
2044-12-05

AI Technical Summary

Technical Problem

In existing compressors, the return oil with bubbles is directly mixed into the bottom oil pool, resulting in a decrease in the viscosity of the oil, affecting the lubricating effect of the compressed structure, and increasing the risk of abnormal wear.

Method used

An oil-liquid static device is designed, including a partition plate stacked and connected at upper and lower intervals. A plurality of static holes are arranged at intervals around the central through hole on the partition plate, and the static holes on two adjacent partition plates are arranged in a misalignment up and downward manner and are connected. The device is fixed in the oil pool. After the oil returns to the oil and liquid passes through multiple partitions, it reduces bubbles entering the bottom of the oil pool.

Benefits of technology

By reducing the bubbles in the oil return oil, avoiding the bubbles directly mixing into the bottom oil tank, preventing the oil viscosity from decreasing, ensuring the oil viscosity quality at the oil suction port, improving the lubricating effect on the compressed structure, and extending the service life of the compressor.

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Abstract

The invention provides an oil finishing device and a compressor, and relates to the technical field of compressors. The oil liquid finishing device comprises at least two partition plates which are stacked up and down at intervals and connected, center through holes are formed in the centers of the partition plates, a plurality of finishing holes are formed in the partition plates around the center through holes at intervals, and the finishing holes in every two adjacent partition plates are arranged in an up-down staggered mode and communicated. The oil liquid finishing device is fixed in the oil pool, and liquid with bubbles on one side of the upper-layer partition plate can be prevented from being directly mixed into one side of the lower-layer partition plate to reduce the viscosity of oil liquid at the bottom of the oil pool, so that the oil liquid lubricating effect and the reliability of the compressor are improved.
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Description

Technical Field

[0001] The invention relates to the technical field of compressors, and in particular to an oil stabilization device and a compressor. Background Art

[0002] Existing compressors usually include a housing, a motor located inside the housing, and a compression structure, wherein the compression structure includes a crankshaft, a cylinder, and a cylinder head, etc. An oil pool is provided at the bottom of the housing, and an oil suction port of the compression structure is provided at the bottom of the oil pool to suck the oil in the oil pool into various components of the compression structure for lubrication.

[0003] When the compressor is running, the gaseous refrigerant carries part of the refrigeration oil and gathers in the upper cavity of the compressor. After a certain amount of accumulation, it falls back into the oil pool at the bottom of the compressor, eventually forming a continuous oil circulation. The refrigerant and the refrigeration oil are in an alternating state of mutual dissolution and precipitation. When the solubility of the refrigerant in the refrigeration oil is low, the refrigerant dissolved in the refrigeration oil is in a saturated state, and the refrigerant will be mixed in the liquid in the form of bubbles. The viscosity of the oil with bubbles will decrease, and after falling back into the oil pool at the bottom of the compressor, it will quickly mix with the oil at the bottom of the oil pool, causing the viscosity of the bottom oil to decrease. The oil suction port in the compression structure is generally arranged at the bottom of the oil pool. The decrease in the viscosity of the bottom oil will affect the lubrication effect of the friction pair of the compression structure and increase the risk of abnormal wear of the compressor. Summary of the invention

[0004] The object of the present invention is to provide an oil stabilization device and a compressor, which can prevent the return oil with bubbles from directly mixing into the bottom oil pool and reduce the viscosity of the oil at the bottom of the oil pool, thereby improving the oil lubrication effect and the reliability of the compressor.

[0005] In a first aspect, the present invention provides an oil calming device fixed in an oil pool, the oil calming device comprising:

[0006] At least two partitions are stacked and connected up and down, with a central through hole in the center of the partition, and a plurality of quiet holes are arranged around the central through hole at intervals on the partition, and the quiet holes on the two adjacent partitions are staggered and connected.

[0007] In an optional embodiment, a quieting plate is provided between at least one pair of vertically adjacent quieting holes, and the quieting plate is fixed to one of the two adjacent partitions in the longitudinal direction with a gap between the quieting plate and the other partition.

[0008] In an optional embodiment, the quieting holes on two adjacent partitions are alternately distributed in the annular direction.

[0009] In an optional embodiment, a plurality of the quieting plates are alternately fixed on two adjacent partitions.

[0010] In an optional embodiment, there is a certain distance between the end of the quiet plate and the inner periphery or the outer periphery of the partition.

[0011] In an optional embodiment, the partition includes a first partition and a second partition; the first partition and the second partition are coaxially arranged and have a circular structure, the central through hole of the first partition and the central through hole of the second partition are coaxially arranged and have the same shape and size, and the outer diameter of the first partition is equal to the outer diameter of the second partition.

[0012] In an optional embodiment, a mounting portion is provided on the inner periphery of the central through hole of the first partition plate and / or the second partition plate.

[0013] In an optional embodiment, it further includes an annular wall body, which is respectively connected to the first partition plate and the second partition plate; and the mounting portion is provided on the annular wall body.

[0014] In a second aspect, the present invention provides a compressor, comprising a housing, a compression structure and an oil stilling device as described in any one of the aforementioned embodiments, wherein the oil stilling device is connected between the housing and the compression structure.

[0015] In an optional embodiment, the compression structure includes a cylinder head and a muffler disposed in the housing;

[0016] The central through hole of the partition is sleeved on the outer periphery of the cylinder head and is sealed and connected to the cylinder head; or the central through hole of the partition is sleeved on the outer periphery of the muffler and is sealed and connected to the muffler;

[0017] The outer peripheral surface of the partition is sealed and connected to the shell.

[0018] In an optional embodiment, the cylinder head includes a connected flange portion and an axially extending portion, and the inner circumferential surfaces of the first baffle and the second baffle are respectively sleeved on the flange portion and sealedly connected to the flange portion.

[0019] In an optional embodiment, the partition is located at a position higher than the oil suction port of the compression structure.

[0020] The beneficial effects of the oil stabilization device and the compressor provided by the embodiments of the present invention include:

[0021] The oil stilling device provided in the embodiment of the present invention is provided with at least two partitions which are stacked and connected at intervals up and down, and a plurality of stilling holes are provided on the partitions around the central through hole at intervals, and the stilling holes on the two adjacent partitions are arranged in an offset manner up and down and are connected, and the upper partition is relatively close to the top of the oil pool, and the lower partition is relatively close to the bottom of the oil pool. The return oil will be mixed with bubbles, and the bubbles in the return oil can be reduced after the oil with bubbles passes through multiple partitions for stilling in turn, thereby preventing the return oil with bubbles from being directly mixed into the bottom oil pool, and preventing the oil on the side of the lower partition in the oil pool from reducing viscosity due to the increase of bubbles after the return oil. That is, it is possible to avoid reducing the viscosity of the oil at the oil suction port of the bottom oil pool, thereby ensuring the viscosity quality of the oil at the oil suction port and improving the lubrication effect on the compression structure.

[0022] The compressor provided in an embodiment of the present invention includes the above-mentioned oil calming device, which can avoid the reduction of oil viscosity at the oil suction port of the oil pool in the compressor, ensure the oil viscosity quality at the oil suction port, improve the lubrication effect on the compression structure, and thus help to improve the operating stability and reliability of the compressor, reduce the risk of abnormal wear of the compressor, and help to extend the service life of the compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of a first perspective of a first structure of an oil stabilization device provided by an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of a second viewing angle of a first structure of an oil stabilization device provided by an embodiment of the present invention;

[0026] Figure 3 A schematic diagram of a second structure of an oil stabilization device provided in an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of a first structure of an oil stabilization device provided by an embodiment of the present invention from a third viewing angle;

[0028] Figure 5 A schematic diagram of a third structure of the oil stabilization device provided in an embodiment of the present invention;

[0029] Figure 6 A schematic diagram of the installation structure of the oil calming device provided in an embodiment of the present invention in an oil pool.

[0030] Icons: 100-oil stilling device; 110-first partition; 111-first through hole; 112-first stilling plate; 113-first gap; 120-second partition; 121-second through hole; 122-second stilling plate; 123-second gap; 130-center through hole; 131-annular wall; 132-mounting portion; 133-mounting hole; 134-fastener; 140-third partition; 141-third through hole; 142-third stilling plate; 200-compressor; 201-oil suction port; 210-housing; 220-cylinder head; 221-flange portion; 222-axial extension portion; 230-muffler. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] In the structure of the compressor, an oil pool is provided to lubricate various components. In order to achieve effective circulation of the oil, the oil suction port is relatively located at the bottom of the oil pool, and the oil return port is relatively located at the top of the oil pool. In this way, the return oil after lubricating various components will fall from the top of the oil pool into the oil pool, and then be used again, forming an oil circulation.

[0039] An oil stabilization device provided in an embodiment of the present invention is applied to an oil pool, and can stabilise the return oil, reduce the bubbles carried in the return oil from entering the bottom of the oil pool, ensure the viscosity of the oil at the oil suction port at the bottom of the oil pool, and thus improve the lubrication effect of the oil.

[0040] Combination Figure 1 and Figure 2 The oil stabilization device 100 proposed in the embodiment of the present invention comprises at least two partitions stacked and connected at intervals, a central through hole 130 is opened in the center of the partition, and a plurality of stabilization holes are arranged at intervals around the central through hole 130 on the partition, and the stabilization holes on the two adjacent partitions are arranged in an offset manner and connected. The return oil can be stabilized, and after the return oil passes through a plurality of partitions in sequence, the bubbles in the return oil can be reduced from entering the oil on one side of the lower partition.

[0041] Optionally, a static plate is provided between at least one pair of vertically adjacent static holes, and the static plate is fixed on one of the two adjacent partitions in the longitudinal direction, and a gap is left between the static plate and the other. The static holes on the two adjacent partitions are alternately distributed in the annular direction. A plurality of static plates are alternately fixed on the two adjacent partitions. The end of the static plate is spaced a certain distance from the inner periphery or the outer periphery of the partition.

[0042] In this embodiment, the partition includes a first partition 110 and a second partition 120. The quiet hole includes a first through hole 111 opened on the first partition 110 and a second through hole 121 opened on the second partition 120. The first partition 110 and the second partition 120 form a first quiet channel and a second quiet channel. The second partition 120 is connected to the first partition 110; the first through hole 111 and the second through hole 121 are staggered and can be connected. The second partition 120 is closer to the bottom of the oil pool relative to the first partition 110. The first partition 110 is closer to the top of the oil pool relative to the second partition 120. The first quiet channel includes a channel with the second through hole 121 as an inlet and the first through hole 111 as an outlet, which is used for gas on one side of the second partition 120 to flow to the first partition 110. The second quiet channel includes a channel with the first through hole 111 as an inlet and the second through hole 121 as an outlet, which is used for liquid on one side of the first partition 110 to flow to the second partition 120. The oil stilling device 100 can prevent the return oil with bubbles on one side of the first partition 110 from directly mixing into the second side of the partition 120 and reducing the viscosity of the oil at the bottom of the oil pool, thereby ensuring the viscosity quality of the oil at the oil suction port 201 at the bottom of the oil pool and improving the lubrication effect of the oil.

[0043] In this embodiment, the first partition plate 110 and the second partition plate 120 are respectively disc structures with a central through hole 130. The first through hole 111 and the second through hole 121 are respectively arranged at intervals around the central through hole 130. The shape and size of the central through hole 130 can be appropriately adjusted and matched according to the actual installation space, and are not specifically limited here.

[0044] The quiet plate includes a first quiet plate 112 and a second quiet plate 122. The first quiet plate 112 is provided on the side of the first partition 110 facing the second partition 120, and a first gap 113 is provided between the first quiet plate 112 and the second partition 120. The first quiet plate 112 separates the adjacent first through holes 111 and the second through holes 121. It can be understood that the first quiet plate 112 is fixedly connected to the lower surface of the first partition 110. The axial height of the first quiet plate 112 is less than the axial spacing distance between the first partition 110 and the second partition 120, so a first gap 113 is formed between the end of the first quiet plate 112 away from the first partition 110 and the upper surface of the second partition 120. The first through hole 111, the first gap 113 and the second through hole 121 are connected in sequence to form a second quiet channel, such as Figure 2 Indicated by the dotted line with an arrow.

[0045] Optionally, a second quieting plate 122 is provided on the side of the second partition 120 facing the first partition 110, and a second gap 123 is provided between the second quieting plate 122 and the first partition 110, and the second quieting plate 122 separates the adjacent first through holes 111 and second through holes 121. Similarly, the second quieting plate 122 is fixedly connected to the upper surface of the second partition 120. The axial height of the second quieting plate 122 is less than the axial spacing distance between the first partition 110 and the second partition 120, so that a second gap 123 is formed between the end of the second quieting plate 122 away from the second partition 120 and the lower surface of the first partition 110. The second through holes 121, the second gap 123 and the first through holes 111 are connected in sequence to form a first quieting channel, such as Figure 2 Indicated by the solid line with arrow in the middle.

[0046] The first and second quiescent plates 112 and 122 are provided to extend the quiescent channel and provide a better guiding effect on oil or gas, etc. In this way, the bubbles carried in the return oil can be better separated and released, so that there are fewer bubbles in the return oil that reaches the bottom of the oil pool after passing through the first and second partition plates 110 and 120, and the influence of bubbles on the viscosity of the oil at the bottom of the oil pool is reduced as much as possible, thereby ensuring that the viscosity of the oil at the bottom of the oil pool is appropriate and improving the lubrication effect of the oil.

[0047] It should be noted that the axial heights of the first gap 113 and the second gap 123 may be the same or different. The number of the first static plates 112 and the second static plates 122 may be equal or different, and no specific limitation is made here. Of course, in some embodiments, only one of the first static plates 112 and the second static plates 122 may be provided, such as only the first static plates 112, or only the second static plates 122. Alternatively, in some embodiments, both the first static plates 112 and the second static plates 122 are omitted, such as Figure 3 .

[0048] Optionally, the first partition plate 110 is provided with a plurality of first through holes 111. That is, the number of the first through holes 111 is not limited, and can be one, two, three, four, five, six or more. The plurality of first through holes 111 are evenly spaced and distributed in a ring shape. In this way, a plurality of first quieting channels and second quieting channels can be formed, which has a better quieting effect on the return oil.

[0049] Similarly, a plurality of second through holes 121 are provided on the second partition plate 120. That is, the number of the second through holes 121 is not limited, and can be one, two, three, four, five, six or more. The plurality of second through holes 121 are evenly spaced and distributed in a ring shape; the plurality of first through holes 111 and the plurality of second through holes 121 are staggered. In this way, a plurality of first quieting channels and second quieting channels can be formed, and the plurality of first quieting channels and second quieting channels are evenly distributed in the circumferential direction, which has a better quieting effect on the return oil and a higher quieting efficiency for the return oil.

[0050] Combination Figure 4 Optionally, the first partition 110 and the second partition 120 are coaxially arranged, the inner diameter of the first partition 110 is equal to the inner diameter of the second partition 120, and the outer diameter of the first partition 110 is equal to the outer diameter of the second partition 120. Of course, it is not limited to this, and the shapes of the first partition 110 and the second partition 120 can be appropriately adjusted and matched according to the actual installation space, and are not specifically limited here.

[0051] Optionally, the first partition plate 110 and / or the second partition plate 120 are provided with a mounting portion 132. The mounting portion 132 is used to fix the first partition plate 110 and the second partition plate 120 in the oil pool. The mounting portion 132 can be provided only on the first partition plate 110 or on the second partition plate 120. Alternatively, the first partition plate 110 and the second partition plate 120 are provided with mounting portions 132 respectively.

[0052] In this embodiment, the oil stabilization device 100 further includes an annular wall body 131, which is respectively connected to the first partition plate 110 and the second partition plate 120. The annular wall body 131 is connected to the central through hole 130 of the first partition plate 110 and the second partition plate 120. It is easy to understand that the first partition plate 110, the second partition plate 120 and the annular wall body 131 can be fixedly connected separately or integrally formed, which is not specifically limited here.

[0053] In this embodiment, the annular wall 131 is provided with a mounting portion 132. The mounting portion 132 is a convex block convexly provided on the annular wall 131, and the convex block is provided with a mounting hole 133, which can be fastened with a bolt or other fastener 134 (see Figure 6 ) Pass through the mounting hole 133 on the protrusion to fix the first partition 110 and the second partition 120 to other components in the oil pool.

[0054] Combination Figure 5Optionally, the oil stabilization device 100 further includes a third partition 140 coaxially arranged with the first partition 110 and the second partition 120, and the third partition 140 is provided with a third through hole 141, and the through holes on adjacent partitions are staggered. The third partition 140 can be arranged between the first partition 110 and the second partition 120, or on the side of the first partition 110 away from the second partition 120, or on the side of the second partition 120 away from the first partition 110. Optionally, a third stabilization plate 142 can be arranged on the third partition 140, or the third stabilization plate 142 can be omitted.

[0055] Figure 5 The oil stabilization device 100 shown in the figure includes three baffles, and the through holes on adjacent baffles are staggered. In other embodiments, the number of baffles is not limited, and can be four, five, six or more, as long as the through holes on adjacent baffles are staggered.

[0056] Combination Figure 6 The embodiment of the present invention further provides a compressor 200, comprising a housing 210, a compression structure and the aforementioned oil stilling device 100, wherein the oil stilling device 100 is connected between the housing 210 and the compression structure. Optionally, the oil stilling device 100 is sealedly connected to the housing 210 and the compression structure, respectively, to separate the oil pool into upper and lower parts, ensuring that the flowing medium such as return oil and the like only flows up and down through the stilling hole.

[0057] Optionally, the compression structure includes a cylinder head 220 and a muffler 230 disposed in the housing 210. An oil pool is provided at the bottom of the housing 210. The oil stabilization device 100 can be connected to at least one of the housing 210, the cylinder head 220 and the muffler 230 to achieve the fixation of the oil stabilization device 100. For example, the first baffle 110 and the second baffle 120 are respectively sleeved on the cylinder head 220, or the first baffle 110 and the second baffle 120 are respectively sleeved on the muffler 230.

[0058] It should be noted that Figure 6 Shown in the figure are the lower cylinder head 220 and the lower muffler 230. Optionally, the central through hole 130 of the partition is sleeved on the outer periphery of the cylinder head 220 and is sealed with the cylinder head 220; or, the central through hole 130 of the partition is sleeved on the outer periphery of the muffler 230 and is sealed with the muffler 230. The outer peripheral surface of the partition is sealed with the shell 210. In this embodiment, the inner peripheral surfaces of the central through holes 130 of the first partition 110 and the second partition 120 are respectively sleeved on the outer periphery of the cylinder head 220 and are sealed with the cylinder head 220; or, the inner peripheral surfaces of the first partition 110 and the second partition 120 are respectively sleeved on the outer periphery of the muffler 230 and are sealed with the muffler 230. The outer peripheral surfaces of the first partition 110 and the second partition 120 are respectively sealed with the shell 210.

[0059] The use of a sealed connection can prevent the return oil from directly reaching the bottom of the oil pool without passing through the first baffle 110 and the second baffle 120, which is beneficial to increasing the viscosity of the bottom oil. Optionally, the aperture of the central through hole 130 of the first baffle 110 and the second baffle 120 matches the outer diameter of the muffler 230. The first baffle 110 and the second baffle 120 are respectively transitionally matched with the muffler 230. The outer diameters of the first baffle 110 and the second baffle 120 match the inner diameter of the shell 210. The first baffle 110 and the second baffle 120 are respectively transitionally matched with the shell 210. The mounting portion 132 is fixedly connected to the muffler 230 by bolts.

[0060] Optionally, the cylinder head 220 includes a connected flange portion 221 and an axial extension portion 222, and the inner circumferential surfaces of the first partition plate 110 and the second partition plate 120 are respectively sleeved on the flange portion 221 and sealed with the flange portion 221. The first partition plate 110 and the second partition plate 120 are respectively sleeved on the outer circumference of the flange portion 221 and transitionally matched with the flange portion 221. At the same time, the first partition plate 110 and the second partition plate 120 are respectively transitionally matched with the inner wall of the housing 210. With the transitional fit, there is no gap after the fit, and the sealing is better, so that all the return oil can enter the bottom of the oil pool through the stabilization holes on the first partition plate 110 and the second partition plate 120.

[0061] Of course, in some other embodiments, the first partition 110 and the second partition 120 can also be fixed to other positions or other components of the housing 210, and the fixing method is not limited to bolting, riveting, clamping, welding or bonding, etc., as long as the first partition 110 and the second partition 120 can be fixed, no specific limitation is made here. According to the actual installation space and installation position, the setting of the installation part 132 can also be adjusted or omitted accordingly.

[0062] It should be noted that if Figure 6 As shown, the oil stabilization device 100 is arranged near the oil suction port 201 of the compression structure, and the oil pool is separated into an upper oil pool and a bottom oil pool, wherein the oil suction port 201 is located in the bottom oil pool. Figure 6 The U area in the diagram is the upper oil pool, also called the oil pool before stabilization. The M area is the oil pool during stabilization. The D area is the bottom oil pool, also called the oil pool after stabilization. The stabilization principle is as follows:

[0063] When the compressor 200 is running, the gaseous refrigerant carries part of the refrigeration oil and gathers in the upper cavity of the compressor 200. After a certain amount of accumulation, it falls back into the bottom oil pool of the compressor 200. During the falling process, the return oil passes through the first through hole 111 on the first partition 110 under the action of gravity and falls into the second partition 120. After initial stabilization, the bubbles in the return oil float up and are discharged upward from the first through hole 111. The return oil after initial stabilization continues to flow through the first gap 113, enters the adjacent second through hole 121, and then flows into the bottom oil pool. The return oil entering the bottom oil pool may also carry a small amount of bubbles. These small amounts of bubbles will float upward due to buoyancy, gather to form larger bubbles, float up through the second through hole 121, and float along the second gap 123 to the adjacent first through hole 111, and then be discharged upward to the upper oil pool to continue to participate in the refrigeration cycle. Among them, the liquid flow path in the return oil is mainly as follows: Figure 2 The solid broken line with arrows in the figure shows the main flow path of bubbles in the return oil. Figure 2 As shown by the dashed line with arrow in .

[0064] Of course, the oil stilling device 100 can be completely immersed in the oil pool, partially immersed in the oil pool, or higher than the oil level in the oil pool, as long as the position of the partition is higher than the position of the oil suction port 201. In this embodiment, the position of the second partition 120 is higher than the position of the oil suction port 201. Optionally, the installation height of the oil stilling device 100 is located at a safe oil level position of the compressor 200, which can play a good role in oil stilling.

[0065] The oil calming device 100 is not only applicable to the compressor 200, but also to other equipment equipped with an oil pool, and plays a role in calming the oil, ensuring that the oil viscosity does not decrease, improving the oil lubrication effect, reducing abnormal wear and failure of equipment, improving operating stability and reliability, and extending service life.

[0066] In summary, the oil stabilization device 100 and the compressor 200 provided by the embodiment of the present invention have the following beneficial effects, including:

[0067] The oil stilling device 100 provided in the embodiment of the present invention is provided with a first baffle 110 and a second baffle 120 spaced axially, wherein the first baffle 110 is relatively close to the upper part of the oil pool, and the second baffle 120 is relatively close to the bottom of the oil pool. The return oil will contain bubbles carrying refrigerant. After the return oil containing bubbles passes through the first baffle 110 and the second baffle 120 for stilling, the bubbles in the return oil can be reduced, thereby preventing the oil in the bottom oil pool from reducing viscosity due to the addition of bubbles after the return oil. That is, the return oil carrying refrigerant bubbles can be prevented from directly mixing into the bottom oil pool, preventing the viscosity of the oil at the oil suction port 201 of the bottom oil pool from reducing, thereby ensuring the viscosity quality of the oil at the oil suction port 201 and improving the lubrication effect on the compression structure.

[0068] The compressor 200 provided in an embodiment of the present invention includes the above-mentioned oil stilling device 100, which can avoid the reduction of oil viscosity at the oil suction port 201 of the oil pool in the compressor 200, ensure the oil viscosity quality at the oil suction port 201, and improve the lubrication effect on the compression structure, thereby helping to improve the operating stability and reliability of the compressor 200, reduce the risk of abnormal wear of the compressor 200, and help to extend the service life of the compressor 200.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made should be included in the protection scope of the present invention.

Claims

1. An oil stabilization device, fixed in an oil pool, characterized in that: The oil stabilization device comprises: At least two partitions are stacked and connected up and down, wherein a central through hole (130) is opened in the center of the partition, and a plurality of quiet holes are arranged at intervals around the central through hole (130) on the partition, and the quiet holes on the two adjacent partitions are staggered and connected.

2. The oil stabilization device according to claim 1, characterized in that: A quieting plate is arranged between at least one pair of the quieting holes adjacent to each other in the vertical direction. The quieting plate is fixed on one of the two adjacent partitions in the longitudinal direction and a gap is left between the quieting plate and the other partition.

3. The oil stabilization device according to claim 2, characterized in that: The quieting holes on two adjacent partitions are alternately distributed in the annular direction.

4. The oil stabilization device according to claim 3, characterized in that: A plurality of the quieting plates are alternately fixed on two adjacent partitions.

5. The oil stabilization device according to claim 4, characterized in that: An end portion of the quiet plate is spaced apart from an inner periphery or an outer periphery of the partition plate.

6. The oil stabilization device according to claim 1, characterized in that: The partition includes a first partition (110) and a second partition (120); the first partition (110) and the second partition (120) are coaxially arranged and have a circular structure, the central through hole (130) of the first partition (110) and the central through hole (130) of the second partition (120) are coaxially arranged and have the same shape and size, and the outer diameter of the first partition (110) is equal to the outer diameter of the second partition (120).

7. The oil calming device according to claim 6, characterized in that: A mounting portion (132) is provided on the inner periphery of the central through hole (130) of the first partition plate (110) and / or the second partition plate (120); Alternatively, the oil stabilization device further comprises an annular wall body (131), wherein the annular wall body (131) is respectively connected to the first partition plate (110) and the second partition plate (120); and the mounting portion (132) is provided on the annular wall body (131).

8. A compressor, characterized in that: It comprises a housing (210), a compression structure and an oil stabilization device as claimed in any one of claims 1 to 7, wherein the oil stabilization device is connected between the housing (210) and the compression structure.

9. The compressor according to claim 8, characterized in that The compression structure comprises a cylinder head (220) and a muffler (230) disposed in the housing (210); The central through hole (130) of the partition is sleeved on the outer periphery of the cylinder head (220) and is sealed to the cylinder head (220); or, the central through hole (130) of the partition is sleeved on the outer periphery of the muffler (230) and is sealed to the muffler (230); the outer peripheral surface of the partition is sealed to the shell (210).

10. The compressor according to claim 8, characterized in that The partition is located at a position higher than the oil suction port (201) of the compression structure.

Citation Information

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