Oil-gas separation mechanism of electric compressor
Through the three-time oil and gas separation technology, the problem of insufficient oil return of lubricant oil by the electric air conditioner compressor is solved, the lubricant is fully separated, and the service life and performance of the compressor is improved.
Patent Information
- Application Number
- CN202421923954.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The oil and gas separation of existing air-conditioning electric compressors is not thorough, resulting in insufficient return amount of lubricant oil and lack of oil inside the compressor, which increases the risk of damage and reduces service life.
Three-time oil and gas separation technology is adopted, including scroll compression motion, oil and gas mixing cavity collision, centrifugal motion and gravity separation, combined with the throttle hole and multi-channel notch design, to achieve multiple separations of lubricating oil and gas.
It increases the oil return amount of lubricant, reduces friction losses, extends the life of compressor parts, and improves product performance consistency.
Smart Images
Figure CN223075684U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil-gas separation, in particular to an oil-gas separation mechanism for an electric compressor of a new energy air conditioner. Background Technique
[0002] An air conditioner compressor plays a role in compressing and driving a refrigerant in an air conditioner refrigerant circuit. It compresses the refrigerant from a low-temperature and low-pressure state to a high-temperature and high-pressure state. The working conditions of this process are extremely harsh, and sufficient lubrication and cooling are required to ensure the long-term effective operation of the compressor.
[0003] The internal lubricating oil of the existing electric air conditioner compressor cannot achieve multiple oil-gas separations, and the oil return amount is insufficient. In the extreme state of the air conditioner system, it is easy to cause a lack of lubricating oil inside the compressor, and the parts are in a high-temperature and oil-deficient state, increasing the risk of damage and reducing the service life of the compressor. This technology provides an oil-gas separation mechanism for an electric compressor of a new energy air conditioner. Content of the Utility Model
[0004] The purpose of the utility model is to provide an oil-gas separation mechanism for an electric compressor of a new energy air conditioner to solve the problems raised in the above background technique in view of the defects of the existing technology.
[0005] To achieve the above purpose, the utility model provides the following technical solution: An oil-gas separation mechanism for an electric compressor of a new energy air conditioner, including the oil-gas separation mechanism body. A gas-oil mixing chamber is provided in the middle of the oil-gas separation mechanism body. A balance pressure reducing pulsation chamber is provided on one side of the gas-oil mixing chamber. A rectification chamber is provided on the other side of the gas-oil mixing chamber. An oil storage chamber is provided at one end of the rectification chamber. An oil-gas separation pump body is provided on the gas-oil mixing chamber. A throttling hole is provided at the top of the oil-gas separation pump body in the gas-oil mixing chamber. An oil outlet is provided at the joint of the oil-gas separation pump body and the inner wall of the rectification chamber.
[0006] As a preferred technical solution of the utility model, a fourth flow channel notch and a third flow channel notch are provided between the gas-oil mixing chamber and the balance pressure reducing pulsation chamber.
[0007] As a preferred technical solution of the utility model, a first flow channel notch is provided between the oil storage chamber and the rectification chamber.
[0008] As a preferred technical solution of the utility model, a second flow channel notch is provided between the gas-oil mixing chamber and the oil storage chamber.
[0009] As a preferred technical solution of the utility model, the rectification chamber is communicated with the oil storage chamber through the first flow channel notch, the oil storage chamber is communicated with the gas-oil mixing chamber through the second flow channel notch, and the gas-oil mixing chamber is communicated with the balance pressure reducing pulsation chamber through the fourth flow channel notch and the third flow channel notch.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: Through the three - stage oil - gas separation technology, the oil and gas are fully separated, mainly solving the problem of incomplete oil - gas separation in the compressor, providing more lubricating oil inside the compressor, increasing the oil return amount, reducing the frictional loss of the compressor, and improving the service life of parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic structural diagram of the present utility model.
[0012] In the figure: the oil - gas separation mechanism body 1, the balance - pressure reducing pulsation chamber 2, the oil - gas mixing chamber 3, the oil storage chamber 4, the rectifying chamber 5, the oil - gas separation pump body 6, the throttle hole 7, the oil outlet 8, the first flow - path notch 9, the second flow - path notch 10, the fourth flow - path notch 11, the third flow - path notch 12. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0013] The following elaborates on the preferred embodiments of the present utility model in conjunction with the drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making the protection scope of the present utility model more clearly defined.
[0014] Embodiment: Please refer to Figure 1 , the present utility model provides a technical solution: An oil - gas separation mechanism for an electric compressor of a new - energy air conditioner, including an oil - gas separation mechanism body 1. A middle part of the oil - gas separation mechanism body 1 is provided with an oil - gas mixing chamber 3. One side of the oil - gas mixing chamber 3 is provided with a balance - pressure reducing pulsation chamber 2. The other side of the oil - gas mixing chamber 3 is provided with a rectifying chamber 5. One end of the rectifying chamber 5 is provided with an oil storage chamber 4. An oil - gas separation pump body 6 is arranged on the oil - gas mixing chamber 3. A throttle hole 7 is arranged at the top of the oil - gas separation pump body 6 inside the oil - gas mixing chamber 3. An oil outlet 8 is arranged at the joint where the oil - gas separation pump body 6 is in contact with the inner wall of the rectifying chamber 5.
[0015] A fourth flow - path notch 11 and a third flow - path notch 12 are arranged between the oil - gas mixing chamber 3 and the balance - pressure reducing pulsation chamber 2.
[0016] A first flow - path notch 9 is arranged between the oil storage chamber 4 and the rectifying chamber 5.
[0017] A second flow - path notch 10 is arranged between the oil - gas mixing chamber 3 and the oil storage chamber 4.
[0018] The rectifying chamber 5 is communicated with the oil storage chamber 4 through the first flow - path notch 9. The oil storage chamber 4 is communicated with the oil - gas mixing chamber 3 through the second flow - path notch 10. The oil - gas mixing chamber 3 is communicated with the balance - pressure reducing pulsation chamber 2 through the fourth flow - path notch 11 and the third flow - path notch 12.
[0019] Working principle: A new energy air conditioner electric compressor oil-gas separation mechanism releases the oil-gas mixture into a pre-constructed complex exhaust cavity through the compression movement of the scroll disk. The volume of the cavity increases by about 30% compared to the volume of the cavity before optimization. Through the collision of the oil-gas with the cavity, the first stage of oil-gas separation is carried out, and the lubricating oil sinks to the bottom of the cavity under the action of gravity; the oil-containing gas that is not fully separated is throttled and accelerated through the throttle hole 7 and enters the pre-set oil-gas separation pump body 6. Through centrifugal movement, the lubricating oil and gas are further separated. The superheated gas enters the air-conditioning circulation system, and most of the lubricating oil flows out through the oil outlet 8 and enters the rectifying cavity 5 along the inner wall of the structure; the lubricating oil containing a small amount of gas is in the rectifying cavity 5 and is separated again by gravity to achieve the third stage of oil-gas separation. The oil-gas mixing cavity is connected to the low-pressure cavity. The oil-gas mixing cavity 3 enters the pressure-balancing and pulsation-reducing cavity 2 through the third flow channel notch 12, which can effectively release the pressure of the exhaust cavity. In the pressure-balancing and pulsation-reducing cavity 2, the lubricating oil flows towards the fourth flow channel notch 11 under the action of gravity and then enters the bottom of the oil-gas mixing cavity 3 for deposition, and enters the oil storage cavity 4 through the notch 10.
[0020] Through the three-stage oil-gas separation technology, this structure enables the full separation of oil and gas, mainly solves the problem of incomplete oil-gas separation in the compressor, provides more lubricating oil inside the compressor, increases the oil return amount, reduces the frictional loss of the compressor, improves the service life of parts, solves various drawbacks caused by the gradual reduction of the oil separation effect with the use of the compressor, and significantly improves the service life and product performance consistency of the electric vehicle air conditioner compressor.
[0021] The above embodiments only represent the implementation modes of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention.
Claims
1. An oil-gas separation mechanism for an electric compressor of a new energy air conditioner, comprising an oil-gas separation mechanism body (1), characterized in that: The middle of the oil-gas separation mechanism body (1) is provided with an oil-gas mixing chamber (3). One side of the oil-gas mixing chamber (3) is provided with a balanced pressure reducing pulsation chamber (2). The other side of the oil-gas mixing chamber (3) is provided with a rectifying chamber (5). One end of the rectifying chamber (5) is provided with an oil storage chamber (4). An oil-gas separation pump body (6) is arranged on the oil-gas mixing chamber (3). A throttling hole (7) is arranged at the top of the oil-gas separation pump body (6) in the oil-gas mixing chamber (3). An oil outlet (8) is arranged at the joint where the oil-gas separation pump body (6) is attached to the inner wall of the rectifying chamber (5).
2. The oil-gas separation mechanism of an electric compressor for a new energy air conditioner according to claim 1, characterized in that: A fourth flow channel notch (11) and a third flow channel notch (12) are arranged between the oil-gas mixing chamber (3) and the balanced pressure reducing pulsation chamber (2).
3. The oil-gas separation mechanism of an electric compressor for a new energy air conditioner according to claim 2, characterized in that: A first flow channel notch (9) is arranged between the oil storage chamber (4) and the rectifying chamber (5).
4. The oil-gas separation mechanism of an electric compressor for a new energy air conditioner according to claim 3, characterized in that: A second flow channel notch (10) is arranged between the oil-gas mixing chamber (3) and the oil storage chamber (4).
5. The oil-gas separation mechanism of an electric compressor for a new energy air conditioner according to claim 4, characterized in that: The rectifying chamber (5) is communicated with the oil storage chamber (4) through the first flow channel notch (9). The oil storage chamber (4) is communicated with the oil-gas mixing chamber (3) through the second flow channel notch (10). The oil-gas mixing chamber (3) is communicated with the balanced pressure reducing pulsation chamber (2) through the fourth flow channel notch (11) and the third flow channel notch (12).