Compressor and refrigeration equipment

Abstract

The utility model discloses a compressor and refrigeration equipment, the compressor comprises a machine shell, a disc-shaped filter part and an oil absorption part, the bottom wall of the machine shell is matched with the side wall of the machine shell to form a compressor oil pool used for containing compressor oil; the disc-shaped filtering piece is arranged in the compressor oil pool and is parallel to the bottom wall of the machine shell, and the peripheral side of the disc-shaped filtering piece is connected with the side wall of the machine shell; the oil suction piece penetrates through the disc-shaped filtering piece in the height direction of the machine shell, and an oil suction opening of the oil suction piece is located between the disc-shaped filtering piece and the bottom wall of the machine shell; the disc-shaped filtering piece is arranged in the compressor oil pool, the oil suction opening of the oil suction piece is located between the disc-shaped filtering piece and the bottom wall of the machine shell, and therefore compressor oil entering the oil suction piece is filtered through the disc-shaped filtering piece, the purity of the compressor oil entering the oil suction piece is improved, and the compressor oil can be filtered through the disc-shaped filtering piece. Compressor oil with impurities is prevented from entering a cylinder and other structures, and normal operation of refrigeration equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to refrigeration equipment technical field, especially a kind of compressor and refrigeration equipment. BACKGROUND

[0002] The mainstream direction of current industry is to use compressor for refrigeration, and compressor is a driven fluid machine for lifting low-pressure gas to high-pressure gas; it absorbs low-temperature and low-pressure refrigerant gas from suction pipe, and after being compressed by motor operation, it discharges high-temperature and high-pressure refrigerant gas to exhaust pipe to provide power for refrigeration cycle.

[0003] However, in the working process of the refrigeration equipment, impurities inside the compressor and the refrigeration equipment will gradually mix with the compressor oil. During the operation of the compressor, the cylinder will be worn, causing compression leakage and compression efficiency to decrease, and even filling the fine gap in the evaporator distributor, causing uneven distribution and affecting the heat exchange effect. SUMMARY

[0004] The main purpose of the embodiment of the utility model is to provide a kind of compressor and refrigeration equipment, to improve the technical problem that compressor oil in prior art increases the content of impurities with machine operation and affects the operation of refrigeration equipment.

[0005] The embodiment of the utility model provides a kind of compressor, which comprises:

[0006] The bottom wall of the shell cooperates with the side wall of the shell to form a compressor oil pool for containing compressor oil;

[0007] A disc-shaped filter is arranged in the compressor oil pool and is arranged parallel to the bottom wall of the shell, and the peripheral side of the disc-shaped filter is connected to the side wall of the shell.

[0008] An oil suction member penetrates the disc-shaped filter along the height direction of the shell, and the oil suction port of the oil suction member is located between the disc-shaped filter and the bottom wall of the shell.

[0009] In some embodiments of the utility model, a plurality of filter mesh pockets are arranged on the side of the disc-shaped filter away from the bottom wall of the shell, and the inlet face of the filter mesh pocket is perpendicular to the bottom wall of the shell, and the plurality of filter mesh pockets are arranged in a clockwise direction or a counterclockwise direction around the oil suction member.

[0010] In some embodiments of the utility model, the mesh number of the filter mesh pocket is greater than or equal to 100 mesh.

[0011] In some embodiments of the utility model, the disc filter includes annular connecting piece and first filter screen covered in the annular connecting piece, the first filter screen is connected with the annular connecting piece, the annular connecting piece is connected with the side wall of the casing, and the oil suction element penetrates the first filter screen.

[0012] In some embodiments of the utility model, the disc filter includes a plurality of first filter screens, and the plurality of first filter screens are stacked and connected with the annular connecting piece.

[0013] In some embodiments of the utility model, the mesh number of the first filter screen is greater than or equal to 100 meshes.

[0014] In some embodiments of the utility model, the disc filter further includes a second filter screen and a third filter screen, the first filter screen, the second filter screen and the third filter screen are all covered and connected with the annular connecting piece, the first filter screen, the second filter screen and the third filter screen are sequentially stacked from the top wall of the casing to the bottom wall of the casing, and the mesh number of the first filter screen, the second filter screen and the third filter screen gradually increases.

[0015] In some embodiments of the utility model, the compressor further includes a motor, the motor is fixed in the casing and away from the compressor oil pool, a motor shaft of the motor is the oil suction element, one end of the motor shaft away from the motor penetrates the disc filter and is located between the disc filter and the bottom wall of the casing.

[0016] An oil channel is formed in the motor shaft, and the oil channel extends from one end of the motor shaft close to the bottom wall of the casing to the other end of the motor shaft.

[0017] In some embodiments of the utility model, the central axis of the disc filter, the central axis of the motor shaft and the central axis of the casing coincide with each other.

[0018] In some embodiments of the utility model, a refrigeration equipment is also provided, which includes the above compressor.

[0019] The embodiments of the utility model provide a compressor and a refrigeration equipment, the compressor is provided with a disc filter in the compressor oil pool, so that the oil suction port of the oil suction element is located between the disc filter and the bottom wall of the casing, so that the compressor oil entering the oil suction element is filtered by the disc filter, the purity of the compressor oil entering the oil suction element is improved, the compressor oil with impurities is prevented from entering the cylinder and other structures, and the normal operation of the refrigeration equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawings without creative labor.

[0021] Fig. 1 The structure diagram of the compressor of an embodiment of the present application is shown in the figure.

[0022] Fig. 2 The distribution diagram of the filter bag of an embodiment of the present application is shown in the figure.

[0023] Fig. 3 The positional relationship diagram of the filter bag and the disc-shaped filter of an embodiment of the present application is shown in the figure.

[0024] The figure shows: 10, compressor; 110, side wall; 120, bottom wall; 200, compressor oil pool; 300, disc-shaped filter; 400, oil suction element; 500, filter bag. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0027] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0029] As shown in Figs. 1-3 The utility model provides a kind of compressor 10, which includes shell, disc filter 300 and oil suction piece 400, the bottom wall 120 of shell and the side wall 110 of shell cooperate to form the compressor 10 oil pool for containing compressor 10.The disc filter 300 is arranged in the compressor 10 oil pool, and is arranged in parallel with the bottom wall 120 of shell, and the circumferential side of disc filter 300 is connected with the side wall 110 of shell.The oil suction piece 400 penetrates disc filter 300 along the height direction of shell, and the oil suction port of oil suction piece 400 is located between disc filter 300 and the bottom wall 120 of shell.

[0030] Wherein, the oil suction port of oil suction piece 400 is located between disc filter 300 and the bottom wall 120 of shell, the side of disc filter 300 away from the bottom wall 120 of shell is the compressor 10 oil that has not been filtered, and the side of disc filter 300 close to the bottom wall 120 of shell is the compressor 10 oil that has been filtered.

[0031] Wherein, the height of compressor 10 oil pool depends on the oil volume of compressor 10 oil, the more the oil volume, the higher the height of compressor 10 oil pool, generally, the position of disc filter 300 is located at the middle of the height of compressor 10 oil pool, i.e., disc filter 300 separates compressor 10 oil pool into two regions with equal height, so that when the oil suction speed of oil suction piece 400 is fast, there is enough pure oil volume to be sufficient for oil suction.

[0032] In some embodiments, the side of disc filter 300 away from the bottom wall 120 of shell is provided with a plurality of filter mesh pockets 500, and the inlet face of filter mesh pocket 500 and the bottom wall 120 of shell are perpendicular to each other, and the plurality of filter mesh pockets 500 are arranged in a clockwise direction or a counterclockwise direction around oil suction piece 400.

[0033] The inlet face of the filter screen pocket 500 is perpendicular to the bottom wall 120 of the shell, that is, the inlet of the filter screen pocket 500 is towards the horizontal direction, so that when the compressor 10 is working, the oil in the oil pool of the compressor 10 is driven to rotate by the vortex effect generated by the oil suction part 400, and the filter screen pocket 500 can collect and filter the impurities taken by the compressor 10 in advance, thereby improving the filtering efficiency of the oil pool of the compressor 10.

[0034] In some embodiments, four filter screen pockets 500 are arranged on the disc-shaped filter 300 and are arranged perpendicular to each other.

[0035] In some embodiments, the filter screen pocket 500 has a mesh size greater than or equal to 100 mesh.

[0036] The mesh size refers to the number of holes per inch of screen, for example, 50 mesh means that there are 50 holes per inch, and there are 50*50=2500 holes per square inch.

[0037] In some embodiments, the disc-shaped filter 300 includes a ring-shaped connecting part and a first filter screen covering the ring-shaped connecting part, the first filter screen is connected to the ring-shaped connecting part, the ring-shaped connecting part is connected to the side wall 110 of the shell, and the oil suction part 400 penetrates the first filter screen.

[0038] The ring-shaped filter is used to connect the first filter screen and the side wall 110 of the shell, and is generally made of metal, such as iron, iron alloy, etc. The edge of the ring-shaped connecting part is tightly connected to the side wall 110 of the shell, and the first filter screen is arranged in the ring-shaped connecting part to completely cover the hollow part of the ring-shaped connecting part to form the disc-shaped filter 300.

[0039] The first filter screen is provided with a connecting hole, and the oil suction part 400 penetrates the connecting hole to locate the oil suction port between the disc-shaped filter 300 and the bottom wall 120 of the shell, wherein the diameter of the connecting hole is generally smaller than the width of the oil suction part 400, so that the oil suction part 400 is in interference fit with the first filter screen, and it is ensured that impurities cannot pass through the gap between the oil suction part 400 and the filter screen to reach the filtered area.

[0040] The ring-shaped connecting part is generally connected to the side wall 110 of the shell by welding.

[0041] In some embodiments, the disc-shaped filter 300 includes a plurality of first filter screens, and the plurality of first filter screens are arranged in layers and are all connected to the ring-shaped connecting part.

[0042] The plurality of first filter screens are arranged in layers and all cover the ring-shaped connecting part, that is, a multi-layer filter structure is formed to improve the filtering effect of the oil of the compressor 10.

[0043] In some embodiments, the disc-shaped filter 300 comprises two first filter screens, the two first filter screens are arranged in a stacked manner and are both covered on the annular connecting member, and the oil suction member 400 passes through the two stacked first filter screens in sequence.

[0044] In some embodiments, the mesh number of the first filter screen is greater than or equal to 100 meshes.

[0045] In some embodiments, the disc-shaped filter 300 further comprises a second filter screen and a third filter screen, the first filter screen, the second filter screen and the third filter screen are all covered on and connected to the annular connecting member, the first filter screen, the second filter screen and the third filter screen are arranged in a stacked manner from the top wall of the shell to the bottom wall 120 of the shell, and the mesh number of the first filter screen, the second filter screen and the third filter screen gradually increases.

[0046] That is, by arranging filter screens with gradually increasing mesh numbers, the filtering effect of the disc-shaped filter 300 on the compressor 10 oil is improved.

[0047] Among them, the mesh number of the filter screen gradually increases along the flow direction of the compressor 10 oil, so as to prevent some impurities from flowing into the oil suction port of the oil suction member 400.

[0048] Among them, the first filter screen, the second filter screen and the third filter screen are all provided with connecting holes in interference fit with the oil suction member 400.

[0049] In some examples, the motor is fixed in the shell and away from the compressor 10 oil pool, the motor shaft of the motor is the oil suction member 400, one end of the motor shaft away from the motor penetrates the disc-shaped filter 300 and is located between the disc-shaped filter 300 and the bottom wall 120 of the shell; the motor shaft is internally provided with an oil channel, the oil channel extends from one end of the motor shaft close to the bottom wall 120 of the shell to the other end of the motor shaft.

[0050] In some embodiments, the motor shaft passes through the first filter screen so that the inlet of the oil channel is located between the disc-shaped filter 300 and the bottom wall 120 of the shell.

[0051] In some embodiments, the central axis of the disc-shaped filter 300, the central axis of the motor shaft and the central axis of the shell coincide with each other.

[0052] Among them, the central axis of the disc-shaped filter 300, the central axis of the motor shaft and the central axis of the shell coincide with each other, which can facilitate quick positioning and installation of each component.

[0053] In some embodiments, the disc-shaped filter 300 is a circular disc-shaped filter 300, and the specific shape of the disc-shaped filter 300 is generally the same as the shape of the structure enclosed by the compressor 10 side wall 110.

[0054] In some embodiments, a refrigeration device is also provided, which comprises the compressor 10 described above.

[0055] The refrigeration device can be an air conditioner, a refrigerator or other household appliance.

[0056] The above is only optional embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields made by using the content of the present application specification and drawings is included in the patent protection scope of the present application.

Claims

1. A compressor, characterized in that, include: The housing has a bottom wall that mates with the side wall of the housing to form a compressor oil sump for containing compressor oil. A disc-shaped filter element is disposed in the compressor oil sump and is arranged parallel to the bottom wall of the housing. The periphery of the disc-shaped filter element is connected to the side wall of the housing. An oil-absorbing component extends through the disc-shaped filter along the height direction of the housing, and the oil-absorbing port of the oil-absorbing component is located between the disc-shaped filter and the bottom wall of the housing.

2. The compressor according to claim 1, characterized in that, The disc-shaped filter element has multiple filter pockets on the side opposite to the bottom wall of the housing, and the inlet surface of the filter pockets is perpendicular to the bottom wall of the housing. The multiple filter pockets are arranged at intervals around the oil suction element in a clockwise or counterclockwise direction.

3. The compressor according to claim 2, characterized in that, The filter mesh number of the filter bag is greater than or equal to 100 mesh.

4. The compressor according to claim 1, characterized in that, The disc-shaped filter element includes an annular connector and a first filter screen covering the annular connector. The first filter screen is connected to the annular connector, and the annular connector is connected to the side wall of the housing. The oil-absorbing element passes through the first filter screen.

5. The compressor according to claim 4, characterized in that, The disc-shaped filter element includes a plurality of first filter screens, which are stacked and all connected to the annular connector.

6. The compressor according to claim 4, characterized in that... The first filter screen has a mesh size of 100 or greater.

7. The compressor according to claim 6, characterized in that, The disc-shaped filter element further includes a second filter screen and a third filter screen. The first filter screen, the second filter screen, and the third filter screen are all covered by and connected to the annular connector. The first filter screen, the second filter screen, and the third filter screen are stacked sequentially from the top wall of the housing towards the bottom wall of the housing, and the mesh count of the first filter screen, the second filter screen, and the third filter screen gradually increases.

8. The compressor according to claim 1, characterized in that, The compressor also includes a motor, which is fixed inside the housing and away from the compressor oil sump. The motor shaft is the oil suction component, and the end of the motor shaft away from the motor passes through the disc filter and is located between the disc filter and the bottom wall of the housing. An oil passage is provided inside the motor shaft, extending from one end of the motor shaft near the bottom wall of the housing to the other end of the motor shaft.

9. The compressor according to claim 8, characterized in that, The central axis of the disc-shaped filter element, the central axis of the motor shaft, and the central axis of the housing coincide with each other.

10. A refrigeration device, characterized in that, Includes the compressor described in any one of claims 1-9.

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