Rotor assembly of air conditioner compressor

Abstract

The utility model discloses an air conditioner compressor rotor assembly which comprises a rotor type compressor main body, the rotor type compressor main body comprises a crankshaft, a rotor, an air cylinder and a cooling liquid circulating assembly which is arranged at the lower end in the rotor type compressor main body and conveys circulating cooling liquid into the rotor, and a liquid return channel is arranged in the rotor. A liquid inlet channel and a liquid outlet channel which are used for being communicated with the two ends of the liquid return channel are vertically arranged in the crankshaft, and the lower end opening of the liquid inlet channel and the lower end opening of the liquid outlet channel are communicated with the two ends of the cooling liquid circulation assembly. According to the utility model, through the operation of the cooling liquid circulation assembly, cooling liquid can circularly enter the liquid return channel after being cooled, part of heat inside and on the surface of the rotor can be taken away, and the effect of reducing the temperature of the rotor is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioner compressor rotor technical field especially relates to an air conditioner compressor rotor assembly. BACKGROUND

[0002] The rotor type air conditioner compressor is a compressor type widely used in household and commercial air conditioning systems, and its core component is a rotor, including single rotor air conditioner compressors and double rotor air conditioner compressors. The working principle is based on volume change to realize gas compression.

[0003] The working process is that the compressor is usually composed of an eccentric rotor and a stator (cylinder). The rotor rotates eccentrically in the cylinder to form a crescent-shaped working cavity with the cylinder wall. When the rotor rotates, the volume of the working cavity changes periodically: in the suction stage, the working cavity volume gradually increases, forming a negative pressure, and the low-temperature and low-pressure gaseous refrigerant is sucked into the cavity; in the compression stage, as the rotor continues to rotate, the working cavity volume gradually decreases, and the gas is compressed, and the pressure and temperature rise; finally, in the exhaust stage, the high-pressure and high-temperature gas is discharged through the exhaust port and enters the condenser for heat exchange.

[0004] The rotor type compressor has the characteristics of compact structure, stable operation, low noise, continuous compression, high efficiency, etc. However, research has found that the rotor temperature continues to rise due to the continuous compression of freon gas, which reduces the viscosity of the lubricating oil, resulting in poor lubrication, increased internal friction loss, reduced compression efficiency, and increased energy consumption. In severe cases, the lubricating oil may carbonize, block the oil path, and further exacerbate poor lubrication; the rotor material may be deformed at high temperatures, affecting dynamic balance and causing vibration and noise; long-term high temperature will accelerate material aging, reduce its mechanical properties, and shorten its service life; in addition, high temperature will cause the sealing material to age or deform, causing refrigerant leakage and reducing system efficiency. In short, high rotor temperature will seriously affect the performance and service life of the compressor, increase the risk of operation and maintenance costs, and the rotor needs to be cooled. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims to provide an air conditioner compressor rotor assembly to solve the technical problems in the background art.

[0006] The utility model provides the following technical scheme:

[0007] The utility model provides an air conditioner compressor rotor assembly, including rotor type compressor main body, the rotor type compressor main body includes crankshaft, rotor and cylinder, the inside of rotor type compressor main body is located the lower end of cylinder and is provided with chamber, the inside of chamber is provided with cooling liquid circulation component through the circulation cooling liquid delivery to the inside of rotor, cooling liquid circulation component includes the pump body and is located the first pipeline of pump body input, is located the second pipeline of pump body output, the pump body is connected with crankshaft through drive part, the other end of second pipeline communicates with the input of radiating pipe, the output of radiating pipe communicates with third pipeline, the inside of rotor is provided with liquid return channel, the inside of crankshaft is vertically provided with liquid inlet channel, liquid outlet channel for with liquid return channel both ends communication respectively, the lower port of liquid inlet channel communicates with the other end of third pipeline through liquid supply component, the lower port of liquid outlet channel communicates with the other end of first pipeline through liquid return component.

[0008] Preferably, the rotor type compressor main body lower end face left and right two ends symmetrically provided with L type branch.

[0009] Preferably, the liquid supply component includes coaxially arranged in the first annular seat of the lower end surface of the cylinder, the upper and lower ports of the inner ring of the first annular seat are coaxially connected with the crankshaft through the first sealing bearing, respectively, the middle part of the inner ring of the first annular seat is coaxially provided with an annular liquid supply groove in communication with the lower port of the liquid inlet channel, the side surface of the first annular seat is provided with a first liquid inlet port in communication with the annular liquid supply groove, and the first liquid inlet port is in communication with the third pipeline.

[0010] Preferably, the liquid return component includes a second annular seat coaxially arranged on the lower end surface of the cylinder, the upper and lower ports of the inner ring of the second annular seat are coaxially connected with the crankshaft through the second sealing bearing, respectively, the middle part of the inner ring of the second annular seat is coaxially provided with an annular liquid outlet groove in communication with the lower port of the liquid outlet channel, the side surface of the second annular seat is provided with a first liquid outlet port in communication with the annular liquid outlet groove, and the first liquid outlet port is in communication with the first pipeline.

[0011] Preferably, the drive part includes a first pulley coaxially arranged on the crankshaft and a second pulley coaxially arranged on the shaft of the pump body, and the first pulley and the second pulley are driven by a belt.

[0012] Preferably, the radiating pipe is horizontally arranged in a serpentine shape at the lower end of the inside of the rotor type compressor main body.

[0013] Preferably, the rotor type compressor main body lower end surface is further provided with a heat dissipation plate located directly below the radiating pipe.

[0014] Preferably, the rotor type compressor main body lower end surface is further provided with a heat dissipation fan located directly below the heat dissipation plate.

[0015] Preferably, the liquid return channel comprises a first liquid return channel communicated with the upper port of the liquid inlet channel and a second liquid return channel communicated with the upper port of the liquid outlet channel, and the liquid inlet channel and the other end of the second liquid return channel are communicated through a plurality of arc-shaped return branch channels.

[0016] Compared with the prior art, the air conditioner compressor rotor assembly has the following beneficial effects:

[0017] The air conditioner compressor rotor assembly has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 The structure of the present application is shown in the figure.

[0020] Figure 2 The structure of the present application is shown in the figure.

[0021] Figure 3 The structure of the present application is shown in the figure.

[0022] Figure 4 The structure of the present application is shown in the figure. Figure 3 The A-A sectional view of the present application is shown in the figure.

[0023] Figure 5 The B-B sectional view of the present application is shown in the figure. Figure 3 The B-B sectional view of the present application is shown in the figure. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of 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 are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The present application provides a kind of air conditioner compressor rotor assembly, refer to Figures 1-5The utility model provides a kind of air-conditioner compressor, including rotor compressor main body 1, the rotor compressor main body 1 includes crankshaft 2, rotor 3 and cylinder 4, the cavity 5 is arranged inside the cylinder 4 lower end of the rotor compressor main body 1, the cavity 5 inside is provided with cooling liquid circulation assembly by transporting circulating cooling liquid to the inside of the rotor 3, the cooling liquid circulation assembly includes pump body 71 and the first pipe 74 being arranged at the input end of pump body 71, the second pipe 75 being arranged at the output end of pump body 71, the pump body 71 is connected with the crankshaft 2 by driving piece 73, the other end of the second pipe 75 is communicated with the input end of radiator pipe 72, the output end of the radiator pipe 72 is communicated with third pipe 76, the inside of the rotor 3 is provided with back liquid passage 12, the crankshaft 2 is vertically provided with liquid inlet passage 10 and liquid outlet passage 11 for being communicated with the both ends of back liquid passage 12 respectively, the lower end of the liquid inlet passage 10 is communicated with the other end of the third pipe 76 by liquid supply assembly 8, the lower end of the liquid outlet passage 11 is communicated with the other end of the first pipe 74 by back liquid assembly 9.The first pipe 74, the second pipe 75, the radiator pipe 72, the third pipe 76 and back liquid passage 12, liquid inlet passage 10, liquid outlet passage 11 are filled with cooling liquid, and the cooling liquid is selected from water, cooling oil and the like.When the air-conditioner compressor works, the crankshaft 2 rotates, and then drives the pump body 71 to rotate through the driving piece 73, the working of the pump body 71 can drive the cooling liquid to circulate back to the pump body 71 through the second pipe 75, the radiator pipe 72, the third pipe 76, the liquid supply assembly 8, the liquid inlet passage 10, the back liquid passage 12, the liquid outlet passage 11, the back liquid assembly 9 and the first pipe 74 in turn, and the cooling liquid can take away part of the heat in the rotor 3 when passing through the back liquid passage 12, so that the temperature of the rotor 3 is reduced, and the cooling liquid is cooled when passing through the radiator pipe 72, so that the temperature of the cooling liquid is reduced and then flows to the back liquid passage 12 again, and the circulation is repeated in turn, so that the temperature of the rotor is reduced and the service life of the rotor is improved.

[0027] The liquid supply assembly 8 includes a first annular seat 81 coaxially arranged on the lower end surface of the cylinder 4, the upper and lower ports of the inner ring of the first annular seat 81 are coaxially connected with the crankshaft 2 through first sealing bearings 82, the inner ring of the first annular seat 81 is coaxially provided with an annular liquid supply groove 83 communicated with the lower port of the liquid inlet passage 10, the side surface of the first annular seat 81 is provided with a first liquid inlet port 84 communicated with the annular liquid supply groove 83, and the first liquid inlet port 84 is communicated with the third pipe 76.When the crankshaft 2 normally rotates, the first annular seat 81 does not rotate, but the annular liquid supply groove 83 can always be communicated with the lower port of the liquid inlet passage 10, and the cooling liquid can be pumped into the annular liquid supply groove 83 through the first liquid inlet port 84 by the working of the pump body 71, and then enters the inside of the liquid inlet passage 10.

[0028] The liquid return assembly 9 comprises a second annular seat 91 coaxially arranged at the lower end surface of the cylinder 4. The upper and lower ports of the inner ring of the second annular seat 91 are coaxially connected with the crankshaft 2 through a second sealing bearing 92 respectively. The middle part of the inner ring of the second annular seat 91 is coaxially provided with an annular liquid outlet groove 93 which is in communication with the lower port of the liquid outlet channel 11. The side surface of the second annular seat 91 is provided with a first liquid outlet 94 which is in communication with the annular liquid outlet groove 93. The first liquid outlet 94 is in communication with the first pipeline 74. When the crankshaft 2 rotates normally, the second annular seat 91 does not rotate, but the annular liquid outlet groove 93 can always be in communication with the lower port of the liquid outlet channel 11. Through the operation of the pump body 71, the cooling liquid can be pumped into the annular liquid outlet groove 93 and then into the first pipeline 74.

[0029] The driving member 73 comprises a first belt pulley coaxially arranged on the crankshaft 2 and a second belt pulley coaxially arranged on the rotating shaft of the pump body 71. The first belt pulley and the second belt pulley are driven by a belt.

[0030] The heat dissipation pipe 72 is horizontally arranged in a serpentine shape at the lower end of the rotor compressor body 1. The heat dissipation area of the heat dissipation plate 13 can be increased, and the heat dissipation effect of the cooling liquid in the heat dissipation pipe 72 can be further improved.

[0031] The heat dissipation plate 13 is arranged at the position directly below the heat dissipation pipe 72 at the lower end surface of the rotor compressor body 1. The arrangement of the heat dissipation plate 13 can further improve the heat dissipation effect of the heat dissipation pipe 72.

[0032] The heat dissipation fan 14 is arranged at the position directly below the heat dissipation plate 13 at the lower end surface of the rotor compressor body 1. L-shaped legs are symmetrically arranged at the left and right ends of the lower end surface of the rotor compressor body 1. The arrangement of the heat dissipation fan 14 can further improve the heat dissipation effect of the heat dissipation pipe 72. The arrangement of the L-shaped legs facilitates the installation and fixation of the rotor compressor body 1, and is also convenient for the arrangement of the heat dissipation plate 13 and the heat dissipation fan 14.

[0033] The liquid return channel 12 comprises a first liquid return channel 121 which is in communication with the upper port of the liquid inlet channel 10 and a second liquid return channel 123 which is in communication with the upper port of the liquid outlet channel 11. The liquid inlet channel 10 and the other end of the second liquid return channel 123 are in communication through a plurality of arc-shaped return branch channels 122. The liquid return channel 12 can be provided with a plurality of liquid return channels 12 which are sequentially distributed along the axial direction of the rotor 3. The arc-shaped return branch channels 122 are arranged along the inner edge of the rotor 3, which can better realize the heat exchange between the cooling liquid in the arc-shaped return branch channels 122 and the surface of the rotor 3.

[0034] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be encompassed within the protection scope of the present application.

Claims

1. An air conditioner compressor rotor assembly comprising a rotor type compressor body (1) comprising a crankshaft (2), a rotor (3) and a cylinder (4), characterized by: The rotor compressor body (1) is internally provided with a chamber (5) at the lower end of the cylinder (4), the chamber (5) is internally provided with a cooling liquid circulating assembly for conveying circulating cooling liquid into the rotor (3), the cooling liquid circulating assembly comprises a pump body (71), a first pipeline (74) arranged at the input end of the pump body (71), and a second pipeline (75) arranged at the output end of the pump body (71), the pump body (71) is connected with the crankshaft (2) through a driving member (73), the other end of the second pipeline (75) is communicated with the input end of a heat dissipation pipe (72), the output end of the heat dissipation pipe (72) is communicated with a third pipeline (76), the rotor (3) is internally provided with a liquid return channel (12), the crankshaft (2) is vertically provided with a liquid inlet channel (10) and a liquid outlet channel (11) for communicating with both ends of the liquid return channel (12), the lower end of the liquid inlet channel (10) is communicated with the other end of the third pipeline (76) through a liquid supply assembly (8), and the lower end of the liquid outlet channel (11) is communicated with the other end of the first pipeline (74) through a liquid return assembly (9).

2. The air conditioner compressor rotor assembly of claim 1 wherein, The liquid supply assembly (8) comprises a first annular seat (81) coaxially arranged at the lower end surface of the cylinder (4), the upper and lower ports of the inner ring of the first annular seat (81) are coaxially connected with the crankshaft (2) through first sealing bearings (82), the inner ring of the first annular seat (81) is coaxially provided with an annular liquid supply groove (83) communicated with the lower port of the liquid inlet channel (10), and the side surface of the first annular seat (81) is provided with a first liquid inlet port (84) communicated with the annular liquid supply groove (83), and the first liquid inlet port (84) is communicated with the third pipeline (76).

3. The air conditioner compressor rotor assembly of claim 2 wherein, The liquid return assembly (9) comprises a second annular seat (91) coaxially arranged at the lower end surface of the cylinder (4), the upper and lower ports of the inner ring of the second annular seat (91) are coaxially connected with the crankshaft (2) through second sealing bearings (92), the inner ring of the second annular seat (91) is coaxially provided with an annular liquid outlet groove (93) communicated with the lower port of the liquid outlet channel (11), and the side surface of the second annular seat (91) is provided with a first liquid outlet port (94) communicated with the annular liquid outlet groove (93), and the first liquid outlet port (94) is communicated with the first pipeline (74).

4. The air conditioner compressor rotor assembly of claim 1 wherein, The driving member (73) comprises a first belt pulley coaxially arranged on the crankshaft (2) and a second belt pulley coaxially arranged on the rotating shaft of the pump body (71), and the first belt pulley and the second belt pulley are driven through a belt.

5. The air conditioner compressor rotor assembly of claim 1 wherein, The heat dissipation pipe (72) is horizontally arranged in a meandering manner in the lower end of the rotor compressor body (1).

6. A compressor rotor assembly for an air conditioner as set forth in claim 5 wherein, The lower end surface of the rotor compressor body (1) is further provided with a heat dissipation plate (13) located directly below the heat dissipation pipe (72).

7. The air conditioner compressor rotor assembly of claim 1 wherein, The liquid return channel (12) comprises a first liquid return channel (121) communicated with the upper port of the liquid inlet channel (10) and a second liquid return channel (123) communicated with the upper port of the liquid outlet channel (11), and the liquid inlet channel (10) and the other end of the second liquid return channel (123) are communicated through a plurality of arc-shaped return branch channels (122).

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