Compressor and air conditioner having the same

Abstract

The application belongs to the technical field of air conditioners, and particularly relates to a compressor and an air conditioner with the same, the compressor comprising a shell, a driving mechanism and a siphon structure, the bottom of the shell being provided with an oil pool, the driving mechanism being arranged in the shell, the driving mechanism being located between the air outlet of the shell and the oil pool, the driving mechanism being provided with a first oil guiding channel, and the siphon structure being arranged at one end of the first oil guiding channel close to the air outlet for accelerating the flow of frozen oil. The compressor and the air conditioner with the same provided by the application solve the technical problems of poor lubrication effect and aggravated internal wear of the compressor caused by the easy reduction of frozen oil in the compressor by arranging the siphon structure at one end of the first oil guiding channel on the driving mechanism to accelerate the flow of frozen oil.

Description

Technical Field

[0001] This invention belongs to the field of air conditioner technology, specifically relating to a compressor and an air conditioner having the same. Background Technology

[0002] A compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas; it is the heart of a refrigeration system. A compressor generally consists of a casing and, within that casing, a compression mechanism, a drive mechanism, and a lubrication mechanism. The refrigerant discharged from the pump body is usually mixed with refrigerant oil. The refrigerant carrying the refrigerant oil flows towards the outlet near the casing after passing through the upper support. However, the refrigerant oil carried by the refrigerant tends to accumulate at the top of the drive mechanism, making it difficult for the refrigerant oil to return to the compression mechanism at the bottom of the casing. When the compressor discharges, the refrigerant oil accumulated at the top of the drive mechanism is easily discharged with the refrigerant into the casing. This reduces the total amount of refrigerant oil inside the casing, thereby reducing the compressor's lubrication effect and exacerbating wear. Summary of the Invention

[0003] In view of this, the present invention provides a compressor and an air conditioner having the same, by setting a siphon structure at one end of the first oil guide channel on the drive mechanism to accelerate the flow of refrigerant oil, thereby solving the technical problems of poor lubrication effect and increased internal wear of the compressor caused by easy reduction of refrigerant oil in the prior art.

[0004] To address the aforementioned problems, according to one aspect of this application, the present invention provides a compressor comprising a housing, a drive mechanism, and a siphon structure. An oil sump is provided at the bottom of the housing, the drive mechanism is disposed inside the housing, and the drive mechanism is located between the air outlet of the housing and the oil sump. A first oil guide channel is provided on the drive mechanism, and the siphon structure is disposed at one end of the first oil guide channel near the air outlet to accelerate the flow of refrigerant oil.

[0005] In some embodiments, the siphon structure includes a siphon cap and a baffle. One end of the siphon cap and the baffle forms a second oil guiding channel, and the other end of the baffle is located in the first oil guiding channel and forms a chamber in the first oil guiding channel. The chamber is connected to the second oil guiding channel to form a negative pressure.

[0006] In some embodiments, the relationship between the height H1 of the baffle outside the first oil guide channel and the height H2 of the siphon cap satisfies 0 < H1 < H2.

[0007] In some embodiments, the relationship between the total height H3 of the baffle and the height H4 of the first oil guide channel is satisfied that H3:H4=1 / (3~10).

[0008] In some embodiments, the siphon cap includes a cover plate and a perimeter, the perimeter being disposed around the cover plate and forming a receiving groove, and one end of the baffle being located within the receiving groove.

[0009] In some embodiments, the baffle is a U-shaped structure with the opening of the U-shaped structure facing the inner wall of the housing, and the U-shaped structure and the inner wall of the housing forming a cavity.

[0010] In some embodiments, the drive mechanism includes a stator disposed between the air outlet and the oil sump, and the stator has at least two grooves along its periphery, the grooves and the inner wall of the housing forming a first oil guiding channel.

[0011] In some embodiments, at least two grooves are evenly arranged along the circumference of the stator.

[0012] In some embodiments, the compressor further includes a floating element, one end of which is connected to a baffle, and the other end of which passes through a first oil guide channel and floats in the oil sump.

[0013] To address the aforementioned problems, according to one aspect of this application, the present invention provides an air conditioner comprising the aforementioned compressor.

[0014] Compared with the prior art, the compressor of the present invention has at least the following beneficial effects:

[0015] The drive mechanism, housed within the casing, compresses the refrigerant entering the casing and discharges the compressed refrigerant through the casing to enable the air conditioning system of the air conditioner to operate. In actual use, due to the performance of the distributor, the refrigerant entering the compressor casing still carries some refrigerant oil droplets. This refrigerant oil does not easily flow to the oil sump and accumulates at the compressor outlet. When the compressor discharges, the accumulated refrigerant oil is discharged with the airflow, reducing the total amount of refrigerant oil inside the compressor and leading to increased wear on internal components. In this invention, a first oil guide channel is provided on the drive mechanism to guide the refrigerant oil at the casing outlet to the oil sump, thus preventing oil accumulation at the outlet. Furthermore, a siphon structure 3 is provided at one end of the first oil guide channel near the outlet to create a pressure difference that accelerates the flow of refrigerant oil. This invention provides a compressor that, by providing a siphon structure at one end of the first oil guide channel on the drive mechanism to accelerate refrigerant oil flow, solves the technical problems of poor lubrication and increased wear inside the compressor caused by the easy reduction of refrigerant oil in the compressor in the prior art.

[0016] The air conditioner provided by this invention is designed based on the above-mentioned compressor. Therefore, the beneficial effects of the air conditioner are the same as all the beneficial effects of the above-mentioned compressor, and will not be repeated here.

[0017] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the internal structure of a compressor provided in an embodiment of the present invention;

[0020] Figure 2 for Figure 1 Enlarged view of the structure at point A;

[0021] Figure 3 A flow direction diagram of the compressor cooling oil in the siphon structure provided in an embodiment of the present invention;

[0022] Figure 4 A schematic diagram of the working principle of the compressor provided in an embodiment of the present invention;

[0023] Figure 5 This is a diagram showing the height relationship between the siphon cap and the baffle of the compressor provided in an embodiment of the present invention;

[0024] Figure 6 An assembly diagram of the stator and siphon structure of a compressor provided in an embodiment of the present invention;

[0025] Figure 7 A schematic diagram of the overall structure of the compressor stator provided in an embodiment of the present invention;

[0026] Figure 8 An exploded view of the siphon structure of a compressor provided in an embodiment of the present invention.

[0027] The components are: 1. Outer shell; 11. Oil sump; 12. Air outlet; 13. Air inlet; 2. Drive mechanism; 21. First oil guide channel; 22. Stator; 23. Rotor; 3. Siphon structure; 31. Siphon cap; 311. Cover plate; 312. Surrounding edge; 32. Baffle; 321. Chamber; 33. Second oil guide channel. Detailed Implementation

[0028] To further illustrate the technical means and effects adopted by the present invention to achieve the intended purpose, the specific embodiments, structures, features, and effects according to the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments. In the following description, different "embodiments" or "embodiments" do not necessarily refer to the same embodiment. Furthermore, specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0029] In the description of this invention, it should be clearly stated that the terms "first," "second," etc., in the specification, claims, and accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence; the terms "vertical," "lateral," "longitudinal," "front," "rear," "left," "right," "up," "down," "horizontal," etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, and are merely for the convenience of describing this invention, and do not mean that the device or element referred to must have a specific orientation or position, and therefore should not be construed as a limitation of this invention.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] Example 1

[0032] This invention provides a compressor, see reference. Figures 1 to 8 The compressor includes a housing 1, a drive mechanism 2, and a siphon structure 3. An oil sump 11 is provided at the bottom of the housing 1. The drive mechanism 2 is located inside the housing 1 and between the air outlet 12 of the housing 1 and the oil sump 11. A first oil guide channel 21 is provided on the drive mechanism 2. The siphon structure 3 is provided at one end of the first oil guide channel 21 near the air outlet 12 to accelerate the flow of refrigerant oil.

[0033] Specifically, the drive mechanism 2 is located inside the housing 1 to compress the refrigerant entering the housing 1 and to discharge the compressed refrigerant from the housing 1 so that the air conditioning system of the air conditioner can operate. In actual use, due to the performance of the distributor, the refrigerant entering the compressor housing 1 through the inlet 13 still carries some refrigerant oil droplets. This refrigerant oil entering the housing 1 does not easily flow to the oil sump 11 and instead accumulates at the compressor outlet 12. When the compressor discharges, the accumulated refrigerant oil is discharged from the housing 1 with the airflow, which reduces the total amount of refrigerant oil inside the compressor, leading to increased wear on the internal components. In this embodiment, a first oil guide channel 21 is provided on the drive mechanism 2 to guide the refrigerant oil at the outlet 12 of the housing 1 to the oil sump 11, thereby preventing the accumulation of refrigerant oil at the outlet 12. Furthermore, a siphon structure 3 is provided at one end of the first oil guide channel 21 near the outlet 12 to create a pressure difference at that point, accelerating the guidance of the refrigerant oil. The present invention provides a compressor that accelerates the flow of refrigeration oil by setting a siphon structure 3 at one end of the first oil guide channel 21 on the drive mechanism 2, thereby solving the technical problems of poor lubrication effect and increased internal wear of the compressor caused by the easy reduction of refrigeration oil in the compressor in the prior art.

[0034] It should be noted that the first oil guiding channel 21 extends from the air outlet 12 toward the oil sump 11. The first oil guiding channel 21 can be set with one, two or more. The more first oil guiding channels 21 are set, the better the guiding effect on the refrigeration oil.

[0035] In a specific embodiment, reference is made to... Figures 1 to 5 as well as Figure 7 The siphon structure 3 includes a siphon cap 31 and a baffle 32. One end of the siphon cap 31 and the baffle 32 form a second oil guiding channel 33. The other end of the baffle 32 is located in the first oil guiding channel 21 and forms a chamber 321 in the first oil guiding channel 21. The chamber 321 is connected to the second oil guiding channel 33 to form a negative pressure.

[0036] Specifically, the siphon cap 31 and the baffle 32 form a second oil guiding channel 33 to guide the frozen oil accumulated at the air outlet 12. The other end of the baffle 32 forms a chamber 321 in the first oil guiding channel 21 to create a negative pressure. This negative pressure can drive the frozen oil in the second oil guiding channel 33 to flow, thereby accelerating the flow of frozen oil.

[0037] refer to Figure 3Refrigerant oil accumulates on top of the drive mechanism 2. When the accumulated refrigerant oil on the drive mechanism 2 is below a preset value, i.e., the height of the baffle 32, the accumulated refrigerant oil will continue to accumulate above the drive mechanism 2. When the accumulated refrigerant oil on the drive mechanism 2 exceeds the preset value, i.e., the height of the baffle 32, the refrigerant oil above the baffle 32 will flow into the chamber 321 through the second oil guide channel 33, then flow into the first oil guide channel 21 through the chamber 321, and finally flow into the oil sump 11 through the first oil guide channel 21. (Reference) Figure 4 During the process of the refrigeration oil flowing in the chamber 321, that is, during the process of the refrigeration oil flowing from point A to point A' in the chamber 321, a vacuum negative pressure is formed in the section from A to A' in the chamber 321. Due to the pressure difference, the refrigeration oil accumulated above the drive mechanism 2 enters the chamber 321 through the second oil guide channel 33 to complete the first oil suction. The refrigeration oil sucked into the chamber 321 will flow into the oil sump 11, thereby reducing the oil carryover rate of the compressor exhaust. The siphon phenomenon stops when the height of the refrigeration oil accumulated on the top of the drive mechanism 2 is less than or equal to the height of the baffle 32. At this time, some refrigeration oil can still be retained on the top of the drive mechanism 2 to lubricate the components on the top of the drive mechanism 2. Therefore, the siphon structure 3 provided in this embodiment can not only accelerate the flow of refrigeration oil, but also ensure that a certain concentration of refrigeration oil remains on the drive mechanism 2.

[0038] In a specific embodiment, reference is made to... Figures 1 to 5 The relationship between the height H1 of the baffle 32 outside the first oil guide channel 21 and the height H2 of the siphon cap 31 satisfies 0 < H1 < H2.

[0039] Specifically, when the height of the baffle 32 is less than 0, there is no negative pressure between the baffle 32 and the siphon cap 31, so the refrigeration oil in the second oil guiding channel 33 cannot be guided; when the height of the baffle 32 is equal to the height of the siphon cap 31, the top of the baffle 32 abuts against the siphon cap 31, and the refrigeration oil cannot flow into the oil pool 11. Therefore, the refrigeration oil can only flow into the oil pool 11 when the relationship between the height H1 outside the first oil guiding channel 21 and the height H2 of the siphon cap 31 is satisfied that 0 < H1 < H2.

[0040] In the specific embodiments, please continue to refer to Figures 1 to 5 The relationship between the total height H3 of the baffle 32 and the height H4 of the first oil guide channel 21, as shown in the reference figure, is H3:H4=1 / (3~10).

[0041] Specifically, when there is a large amount of refrigerant oil in the first oil guiding channel 21, the buoyancy near the air outlet 12 is relatively large, which makes the baffle 32, which has a smaller height, prone to swaying at that point. When the height of the baffle 32 is large, the refrigerant oil is likely to be located in the assembly gap between the baffle 32 and the first oil guiding channel 21, making it difficult for the refrigerant oil in this gap to flow into the oil sump 11. When the relationship between the total height H3 of the baffle 32 and the height H4 of the first oil guiding channel 21 satisfies H3:H4=1 / (3~10), preferably H3:H4=1 / 3, 1 / 4, 1 / 5, 1 / 6, 1 / 7, 1 / 8, 1 / 9, and 1 / 10, it can be ensured that the refrigerant oil does not easily float the baffle 32, while also ensuring the amount of oil guided.

[0042] It should be noted that the baffle 32 can be interference-fitted with the first oil guide channel 21, the baffle 32 can also be slidably connected to the first oil guide channel 21, and the baffle 32 can also be connected to the first oil guide channel 21 through a snap-fit ​​structure. For example, a protrusion (not shown in the figure) is provided on the middle outer wall of the baffle 32, and the protrusion of the baffle 32 snaps onto the end face of the drive mechanism 2 to achieve connection. Of course, as... Figures 1 to 5 As shown, the baffle 32 is interference-fitted into the first oil guide channel 21.

[0043] In a specific embodiment, reference is made to... Figures 1 to 8 The siphon cap 31 includes a cover plate 311 and a surrounding edge 312. The surrounding edge 312 is disposed around the cover plate 311 and forms a receiving groove. One end of the baffle 32 is located in the receiving groove.

[0044] Specifically, the baffle 32 is disposed within the receiving groove to prevent the compressor from discharging more refrigerant oil to the outside of the outer casing 1 during the discharge process. The surrounding edge 312 and the side wall of the baffle 32 form a second oil guiding channel 33, which communicates with the chamber 321 to guide the refrigerant oil on the drive mechanism 2, thereby increasing the oil discharge volume and further reducing refrigerant oil loss.

[0045] In the specific embodiments, please continue to refer to Figures 1 to 8 The baffle 32 has a U-shaped structure with the opening facing the inner wall of the outer shell 1. The U-shaped structure and the inner wall of the outer shell 1 form a cavity 321.

[0046] Specifically, the U-shaped baffle 32 is assembled within the first oil guiding channel 21, and the U-shaped baffle 32 and the sidewall of the first oil guiding channel 21 form a chamber 321 for creating negative pressure. The portion of the U-shaped structure outside the first oil guiding channel 21 forms a second oil guiding channel 33 with the sidewall of the siphon cap 31 to achieve a siphon effect during oil guiding. Constructing the baffle 32 as a U-shaped structure facilitates manufacturing and assembly, and also saves materials. Of course, the baffle 32 can also be a ring structure that cooperates with the first oil guiding channel 21.

[0047] In a specific embodiment, reference is made to... Figure 1 , Figure 6 as well as Figure 7 The drive mechanism 2 includes a stator 22, which is disposed between the air outlet 12 and the oil sump 11. The stator 22 has at least two grooves along its periphery, and the grooves and the inner wall of the outer shell 1 form a first oil guiding channel 21.

[0048] Specifically, the drive mechanism 2 includes a stator 22 and a rotor 23. The stator 22 is fixed inside the housing 1, and the rotor 23 is movably connected to the stator 22. Grooves are formed on the periphery of the stator 22, and the grooves on the periphery of the stator 22 and the inner wall of the housing 1 form a first oil guiding channel 21. Of course, the stator 22 is provided with multiple through holes from the air outlet 12 toward the oil sump 11. These through holes are the first oil guiding channel 21 for guiding the refrigeration oil.

[0049] In a specific embodiment, reference is made to... Figure 6 and Figure 7 At least two grooves are evenly arranged along the circumference of the stator 22.

[0050] Specifically, the grooves are evenly arranged along the circumference of the stator 22 to guide the refrigeration oil accumulated on the drive mechanism 2, thereby ensuring that the refrigeration oil is stored relatively evenly at various points on the top of the drive mechanism 2.

[0051] Furthermore, the compressor also includes a floating component, one end of which is connected to the baffle 32, and the other end of which passes through the first oil guide channel 21 and floats in the oil sump 11.

[0052] Specifically, the floating component is connected to the baffle 32 to adjust the height of the baffle 32 outside the first oil guide channel 21, thereby adjusting the amount of refrigeration oil stored at the top of the drive mechanism 2 as needed. The other end of the floating component passes through the first oil guide channel 21 and floats in the oil tank 11, so as to adjust the height of the baffle 32 by the buoyancy of the refrigeration oil in the oil tank 11.

[0053] More specifically, with a fixed amount of refrigerant oil in the compressor system, when there is less refrigerant oil in the oil sump 11, the height of the refrigerant oil in the oil sump 11 is lower. Under the buoyancy of the refrigerant oil in the oil sump 11, the floating component drives the baffle 32 to move a certain distance, so that the height of the baffle 32 outside the first oil guide channel 21 is reduced, thereby guiding the more refrigerant oil at the top of the drive mechanism 2 into the oil sump 11 through the siphon effect.

[0054] When there is a lot of refrigeration oil in the oil tank 11, the refrigeration oil level in the oil tank 11 is relatively high. Under the buoyancy of the refrigeration oil in the oil tank 11, the floating component drives the baffle 32 to move upward to a certain distance, thereby increasing the height of the baffle 32 outside the first oil guide channel 21, thus ensuring the remaining amount of refrigeration oil at the top of the drive mechanism 2.

[0055] It should be noted that the floating component can be integrally formed with the baffle 32. In addition, the side wall of the first oil guide channel 21 has a guide groove for guiding the floating component, so that the floating component can stably drive the baffle 32 to move.

[0056] Example 2

[0057] This invention provides an air conditioner, which includes the compressor of embodiment 1.

[0058] The air conditioner provided in this embodiment of the invention is designed based on the compressor of Embodiment 1. Therefore, the beneficial effects of the air conditioner are the same as all the beneficial effects of the compressor of Embodiment 1, and will not be repeated here.

[0059] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A compressor, characterized in that, include: The outer casing has an oil tank at its bottom; A drive mechanism is disposed inside the housing and located between the air outlet of the housing and the oil sump. The drive mechanism is provided with a first oil guiding channel. A siphon structure is provided at one end of the first oil guide channel near the air outlet to accelerate the flow of refrigeration oil. The siphon structure includes a siphon cap and a baffle. One end of the siphon cap and the baffle form a second oil guiding channel. The other end of the baffle is located in the first oil guiding channel and forms a chamber in the first oil guiding channel. The chamber is connected to the second oil guiding channel to form a negative pressure.

2. The compressor according to claim 1, characterized in that, The relationship between the height H1 of the baffle outside the first oil guide channel and the height H2 of the siphon cap is 0 < H1 < H2.

3. The compressor according to claim 1 or 2, characterized in that, The relationship between the total height H3 of the baffle and the height H4 of the first oil guide channel is satisfied that H3:H4=1 / (3~10).

4. The compressor according to claim 1 or 2, characterized in that, The siphon cap includes a cover plate and a surrounding edge. The surrounding edge is disposed around the periphery of the cover plate and forms a receiving groove. One end of the baffle is located inside the receiving groove.

5. The compressor according to claim 1, characterized in that, The baffle has a U-shaped structure, with the opening of the U-shaped structure facing the inner wall of the outer shell, and the U-shaped structure and the inner wall of the outer shell forming the cavity.

6. The compressor according to claim 1, characterized in that, The drive mechanism includes a stator disposed between the air outlet and the oil sump. The stator has at least two grooves along its periphery, and the grooves and the inner wall of the outer casing form the first oil guiding channel.

7. The compressor according to claim 6, characterized in that, At least two of the grooves are evenly arranged along the circumference of the stator.

8. The compressor according to claim 1, characterized in that, The compressor also includes a floating component, one end of which is connected to the baffle, and the other end of which passes through the first oil guide channel and floats in the oil sump.

9. An air conditioner, characterized in that, The air conditioner includes the compressor as described in any one of claims 1 to 8.

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