CN210799357U - Compressor and air conditioning unit - Google Patents

Compressor and air conditioning unit Download PDF

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Publication number
CN210799357U
CN210799357U CN201921137356.4U CN201921137356U CN210799357U CN 210799357 U CN210799357 U CN 210799357U CN 201921137356 U CN201921137356 U CN 201921137356U CN 210799357 U CN210799357 U CN 210799357U
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China
Prior art keywords
compressor
heat exchange
oil
exchange channel
lubricating oil
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CN201921137356.4U
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Chinese (zh)
Inventor
张治平
李日华
龙忠铿
毕雨时
武晓昆
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201921137356.4U priority Critical patent/CN210799357U/en
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Abstract

The utility model provides a compressor and air conditioning unit. The compressor comprises a machine body, wherein a cooling oil path is arranged in the machine body, and the compressor further comprises a heat exchange channel which is arranged at an air suction cavity of the machine body. The utility model provides a compressor and air conditioning system, make high temperature lubricating oil cool off through the intracavity of breathing in preferentially under heat transfer passage's water conservancy diversion effect, and cool off the bearing again after the cooling, the too high problem of effectual solution compressor bearing lubricating oil temperature, and overcome prior art need additionally set up oil cooling device and cause the problem that compressor structure is complicated, reduce the flow of compressor inner bearing lubricating oil under the sufficient refrigerated prerequisite of enough low assurance to the bearing of lubricating oil temperature simultaneously, thereby promote the oil content efficiency of compressor efficiency and compressor, solve the problem that lubricating oil gets into air conditioning system.

Description

Compressor and air conditioning unit
Technical Field
The utility model relates to a compression equipment technical field, especially a compressor and air conditioning system.
Background
The compressor bearing lubricating oil adopts the mode of differential pressure oil supply, the internal oil circulation structure of the compressor adopted by all compressor manufacturers at present is shown in figure 1, the oil supply is carried out from a high-pressure main oil supply path, the lubricating oil supply is divided into two paths, one path is supplied to a rotor suction end bearing, the other path is supplied to a rotor exhaust end bearing and finally returns to a low-temperature low-pressure cavity of the compressor, the suction end of the compressor is a low-temperature low-pressure suction cavity, the exhaust end is a high-temperature high-pressure exhaust cavity, the oil supplied to the bearing by the compressor comes from the high-temperature high-pressure exhaust cavity, therefore, the temperature of the lubricating oil is close to the exhaust temperature, the lubricating oil with very high temperature can cause poor lubricating and cooling effects of the bearing, and the problem that the system pipeline is complicated can be caused by adopting the mode of.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the temperature of lubricating oil is too high and the arrangement of an oil cooler pipeline is complicated, a compressor and an air conditioning system for cooling the lubricating oil in a machine body are provided.
A compressor comprises a machine body, wherein a cooling oil way is arranged in the machine body, the compressor further comprises a heat exchange channel, the heat exchange channel is arranged at a suction cavity of the machine body, a first end of the heat exchange channel is communicated with a lubricating oil inlet of the machine body, and a second end of the heat exchange channel is communicated with an inlet of the cooling oil way.
The machine body is provided with an air suction port, and the air suction port is arranged on the air suction cavity.
The heat exchange channel is wound on the peripheral side of the air suction cavity or is continuously arranged in the air suction cavity in an S shape.
The temperature of the cooling oil at the first end is T1, the temperature of the cooling oil at the second end is T2, and the flowing distance L of the coolant in the heat exchange channel is in direct proportion to the difference value of T1-T2.
The compressor also comprises a double-screw assembly, and one end of the cooling oil path, which is far away from the heat exchange channel, is communicated with the double-screw assembly.
The double-screw assembly comprises a male rotor and a female rotor, bearings are arranged at two ends of the male rotor and two ends of the female rotor, and one end, far away from the heat exchange channel, of the cooling oil way is communicated with all the bearings.
The bearing is provided with an oil inlet end close to the male rotor or the female rotor and an oil outlet end far away from the male rotor or the female rotor, and one end, far away from the heat exchange channel, of the cooling oil path is communicated with the oil inlet end.
The compressor further includes an oil separator, an oil outlet of the oil separator communicating with the lubricating oil inlet.
An air conditioning unit comprises the compressor.
The utility model provides a compressor and air conditioning system, make high temperature lubricating oil cool off through the intracavity of breathing in preferentially under heat transfer passage's water conservancy diversion effect, and cool off the bearing again after the cooling, the too high problem of effectual solution compressor bearing lubricating oil temperature, and overcome prior art need additionally set up oil cooling device and cause the problem that compressor structure is complicated, reduce the flow of compressor inner bearing lubricating oil under the sufficient refrigerated prerequisite of enough low assurance to the bearing of lubricating oil temperature simultaneously, thereby promote the oil content efficiency of compressor efficiency and compressor, solve the problem that lubricating oil gets into air conditioning system.
Drawings
FIG. 1 is a schematic diagram of a cooling oil circuit inside a compressor in the prior art;
fig. 2 is a schematic diagram of a cooling oil path and a heat exchange path in a compressor according to an embodiment of the present invention;
in the figure:
1. cooling the oil path; 2. a heat exchange channel; 3. an air suction cavity; 4. a double screw assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The compressor shown in fig. 2 comprises a machine body, wherein a cooling oil path 1 is arranged in the machine body, the compressor further comprises a heat exchange channel 2, the heat exchange channel 2 is arranged at a suction cavity 3 of the machine body, a first end of the heat exchange channel 2 is communicated with a lubricating oil inlet of the machine body, a second end of the heat exchange channel is communicated with an inlet of the cooling oil path 1, high-temperature lubricating oil is preferentially sent to the heat exchange channel 2 from the lubricating oil inlet, heat exchange is carried out between low-temperature refrigerant in the suction cavity 3 and the lubricating oil, the temperature of the lubricating oil is reduced, and then the low-temperature lubricating oil is sent to the cooling oil path 1 to cool the structure in the machine body, so that the problem that the temperature of the lubricating oil of a bearing of the compressor is too high is effectively solved, the problem that the structure of the compressor is complex due to the fact that an oil cooling device is additionally arranged in the prior art is solved The compressor energy efficiency and the oil content efficiency of the compressor are improved, and the problem that lubricating oil enters the air conditioning system is solved.
The machine body is provided with an air suction port, the air suction port is arranged on the air suction cavity 3, the air suction port sucks a low-temperature and low-pressure refrigerant in the refrigerant heat exchange cycle into the air suction cavity 3, and the heat exchange channel 2 exchanges heat with the low-temperature and low-pressure refrigerant in the air suction cavity 3.
The heat exchange channel 2 is wound on the peripheral side of the air suction cavity 3 or the heat exchange channel 2 is continuously arranged in the air suction cavity 3 in an S shape, the heat exchange channel 2 can be selectively arranged on the peripheral side or the inner peripheral side of the air suction cavity 3 corresponding to the body, particularly distributed in a thread form according to the structure of the body, the heat exchange channel 2 can also be directly arranged inside the air suction cavity 3, the heat exchange effect of lubricating oil and a refrigerant is improved, and the heat exchange channel 2 and the air suction cavity 3 are only required to be relatively sealed.
The temperature of the cooling oil at the first end is T1, the temperature of the cooling oil at the second end is T2, the flowing distance L of the cooling oil in the heat exchange channel 2 is in direct proportion to the difference value of T1-T2, and the final temperature of the lubricating oil is controlled by controlling the flowing distance of the lubricating oil in the heat exchange channel 2.
The compressor further comprises a double-screw assembly 4, one end, far away from the heat exchange channel 2, of the cooling oil path 1 is communicated with the double-screw assembly 4, and cooled lubricating oil is sent to the double-screw assembly 4 through the cooling oil path 1 to be lubricated.
The double-screw assembly 4 comprises a male rotor and a female rotor, bearings are arranged at two ends of the male rotor and two ends of the female rotor, and one end, far away from the heat exchange channel 2, of the cooling oil way 1 is communicated with all the bearings.
The bearing is provided with an oil inlet end close to the male rotor or the female rotor and an oil outlet end far away from the male rotor or the female rotor, and one end, far away from the heat exchange channel 2, of the cooling oil path 1 is communicated with the oil inlet end.
The compressor further includes an oil separator, an oil outlet of the oil separator communicating with the lubricating oil inlet.
An air conditioning unit comprises the compressor.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. The utility model provides a compressor, includes the organism, be provided with cooling oil circuit (1) in the organism, its characterized in that: the compressor further comprises a heat exchange channel (2), the heat exchange channel (2) is arranged at the air suction cavity (3) of the machine body, a first end of the heat exchange channel (2) is communicated with a lubricating oil inlet of the machine body, and a second end of the heat exchange channel is communicated with an inlet of the cooling oil way (1).
2. The compressor of claim 1, wherein: the machine body is provided with an air suction port, and the air suction port is arranged on the air suction cavity (3).
3. The compressor of claim 2, wherein: the heat exchange channel (2) is wound on the peripheral side of the air suction cavity (3) or the heat exchange channel (2) is arranged in the air suction cavity (3) in a continuous S shape.
4. A compressor according to claim 3, wherein: the temperature of the cooling oil at the first end is T1, the temperature of the cooling oil at the second end is T2, and the flowing distance L of the coolant in the heat exchange channel (2) is in direct proportion to the difference between T1 and T2.
5. The compressor of claim 1, wherein: the compressor further comprises a double-screw assembly (4), and one end, far away from the heat exchange channel (2), of the cooling oil path (1) is communicated with the double-screw assembly (4).
6. The compressor of claim 5, wherein: the double-screw component (4) comprises a male rotor and a female rotor, bearings are arranged at two ends of the male rotor and two ends of the female rotor, and one end, far away from the heat exchange channel (2), of the cooling oil path (1) is communicated with all the bearings.
7. The compressor of claim 6, wherein: the bearing is provided with an oil inlet end close to the male rotor or the female rotor and an oil outlet end far away from the male rotor or the female rotor, and one end, far away from the heat exchange channel (2), of the cooling oil path (1) is communicated with the oil inlet end.
8. The compressor of claim 1, wherein: the compressor further includes an oil separator, an oil outlet of the oil separator communicating with the lubricating oil inlet.
9. An air conditioning unit, its characterized in that: comprising a compressor according to any one of claims 1 to 8.
CN201921137356.4U 2019-07-17 2019-07-17 Compressor and air conditioning unit Active CN210799357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921137356.4U CN210799357U (en) 2019-07-17 2019-07-17 Compressor and air conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921137356.4U CN210799357U (en) 2019-07-17 2019-07-17 Compressor and air conditioning unit

Publications (1)

Publication Number Publication Date
CN210799357U true CN210799357U (en) 2020-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921137356.4U Active CN210799357U (en) 2019-07-17 2019-07-17 Compressor and air conditioning unit

Country Status (1)

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CN (1) CN210799357U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332113A (en) * 2019-07-17 2019-10-15 珠海格力电器股份有限公司 Compressor and air conditioning system with self-cooling lubricating oil function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332113A (en) * 2019-07-17 2019-10-15 珠海格力电器股份有限公司 Compressor and air conditioning system with self-cooling lubricating oil function

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