Floating type static disc mechanism of high-pressure scroll compressor
By introducing a floating stationary disc mechanism into the scroll compressor, the overturning moment is balanced by the guide ring and the support body. Combined with the oil-gas separator and controller, the heat dissipation problem of the scroll compressor is solved, and the overall reliability and service life of the machine are improved.
Patent Information
- Application Number
- CN202423200630.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing scroll compressors suffer from thermal deformation of the moving and stationary discs, poor sealing performance, and increased friction loss due to the lack of effective heat dissipation devices, resulting in decreased overall reliability and shortened lifespan.
A floating stationary disc mechanism is adopted, including a guide ring, a cross slip ring, and a support body. The guide ring is set at half the height of the stationary disc profile to balance the overturning moment. The stationary disc moves axially along the guide ring. Combined with the oil-gas separator and controller, it optimizes temperature distribution and wear.
It improves the uniformity of static plate temperature distribution, reduces friction and wear and leakage, and enhances the reliability and efficiency of the compressor.
Smart Images
Figure CN223563034U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a compressor technical field, concretely relates to a high pressure scroll compressor floating type static disc mechanism. BACKGROUND
[0002] The ADL company developed the first scroll compressor in the 1970s of the 20th century, and after more than forty years of development, the scroll compressor has been widely used in air conditioners, heat pumps and various gas compression fields, and also has shown good working characteristics and market competitiveness.
[0003] As Figure 2 The working process of the scroll compressor is approximately adiabatic, the working process is continuous, the unit heat dissipation area is small, and there is no good heat dissipation device, so that the thermal deformation of the moving disc and the static disc is caused, thereby leading to the poor sealing effect, the increased leakage, the increased friction loss, the decreased reliability of the whole machine and the shortened service life. UTILITARIAN CONTENT
[0004] Therefore, the utility model provides a high pressure scroll compressor floating type static disc mechanism to solve the above problems in the prior art. In order to realize the above purpose, the utility model provides the following technical scheme: according to the first aspect of the utility model, a high pressure scroll compressor floating type static disc mechanism, including static disc, dynamic disc, fixed disc, main shaft, permanent magnet synchronous motor, cylinder body and cylinder cover, the end of the cylinder body is detachably connected with the cylinder cover, the fixed static disc is arranged in the cylinder body, the dynamic disc is rotatably connected to one end of the static disc, the fixed disc is arranged on the back side of the dynamic disc, the main shaft is transmissionally connected with the dynamic disc through the fixed disc, the output shaft of the permanent magnet synchronous motor is transmissionally connected with the main shaft, further including guide ring, cross slip ring and support body, the cross slip ring is arranged on the back side of the dynamic disc, the support body is arranged on the back side of the cross slip ring, and the guide ring is arranged on the periphery of the static disc.
[0005] Further, the guide ring is arranged at a position at half the height of the static disc profile.
[0006] Further, the static disc can move in the axial direction along the guide ring.
[0007] Further, the end face of the guide ring is provided with a plurality of protruding portions, and the end face of the protruding portion is provided with a mounting hole.
[0008] Further, the cross slip ring is provided with four protruding portions, two of which are mounted at the bifurcated mouth of the outer edge of the dynamic disc, and the end face of the cross slip ring is slidably abutted on the end face of the support body.
[0009] Further, the support body is provided with a plurality of protrusions corresponding to the protruding portions of the guide ring, and the protruding portions of the guide ring and the protrusions of the support body are connected through the mounting holes.
[0010] Further, a controller is further included, the controller is installed at one end of the cylinder body away from the cylinder cover, and the controller is electrically connected with the permanent magnet synchronous motor.
[0011] Further, an oil-gas separator is further included, and the oil-gas separator is arranged in the cylinder cover.
[0012] Further, the static disc and the dynamic disc are coaxially arranged.
[0013] Further, a gap is arranged between the end face of the dynamic disc in the spiral chamber of the static disc and the bottom face of the spiral chamber of the static disc.
[0014] The utility model has the advantages that: compared with the original floating type static disc back pressure mechanism, the new mechanism effectively improves the problem of excessively high temperature in the center of the back of the static disc, makes the temperature distribution of the static disc more uniform, solves the problems of deformation, friction and wear and leakage caused by excessively high temperature, and improves the reliability of the compressor. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 An expanded structure diagram of the floating type static disc mechanism of the high-pressure scroll compressor is provided for some embodiments of the utility model.
[0016] Figure 2 A structure diagram of the prior art of the scroll compressor.
[0017] In the figure, 1 is a guide ring, 2 is a static disc, 3 is a dynamic disc, 4 is a cross slip ring, 5 is a support body, 6 is a fixed disc, 7 is a main shaft, 8 is a permanent magnet synchronous motor, 9 is a controller, 10 is a cylinder cover, 11 is an oil-gas separator, and 12 is a cylinder body. DETAILED DESCRIPTION
[0018] The embodiments of the utility model are described below by specific examples, and other advantages and effects of the utility model can be easily understood by those skilled in the art according to the content disclosed in the specification. Obviously, the described embodiments are only some of the embodiments of the utility model, but not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0019] Embodiment 1
[0020] As Figure 1As shown, a floating stationary disc mechanism for a high-pressure scroll compressor according to the first aspect of this utility model includes a stationary disc 2, a moving disc 3, a fixed disc 6, a main shaft 7, a permanent magnet synchronous motor 8, a cylinder body 12, and a cylinder head 10; the cylinder head 10 is detachably connected to the end of the cylinder body 12, the stationary disc 2 is fixedly disposed inside the cylinder body 12, the moving disc 3 is rotatably connected to one end of the stationary disc 2, the fixed disc 6 is fixedly disposed on the back side of the moving disc 3, the main shaft 7 passes through the fixed disc 6 and is drivenly connected to the moving disc 3, the output shaft of the permanent magnet synchronous motor 8 is drivenly connected to the main shaft 7, and the mechanism also includes a guide ring 1, a cross slip ring 4, and a support body 5; the cross slip ring 4 is disposed on the back side of the moving disc 3, the support body 5 is disposed on the back side of the cross slip ring 4, and the guide ring 1 is disposed around the periphery of the stationary disc 2.
[0021] In the above embodiments, it should be noted that while the moving disc back pressure mechanism has unique advantages in use, the overturning moment generated by the gas force acting at half the height of the moving disc profile can cause the moving disc to tilt. This leads to localized friction and wear between the top surfaces of the moving and stationary discs and the bottom of the corresponding volute grooves, resulting in reduced compressor efficiency. The solution to this problem is to use a floating stationary disc back pressure mechanism. The moving disc operates stably on the support body under axial gas force and will not tilt under normal circumstances. A guide ring mechanism is provided around the stationary disc, specifically positioned at half the height of the stationary disc profile. This mechanism is used to balance the overturning moment, and circumferential positioning is ensured by the guide ring. The stationary disc also moves axially along the guide ring.
[0022] The technical effects achieved by the above embodiments are as follows: Through the comparison and analysis of the floating stationary disc mechanism of the high-pressure scroll compressor in this embodiment with the original floating stationary disc back pressure mechanism, it can be found that the new mechanism effectively improves the problem of excessively high center temperature on the back of the stationary disc, makes the temperature distribution of the stationary disc more uniform, and can solve the problems of deformation, friction and wear and leakage caused by excessive temperature, thereby improving the reliability of the compressor.
[0023] Example 2
[0024] like Figure 1 As shown, a floating stationary disc mechanism for a high-pressure scroll compressor includes all the contents of Embodiment 1, except that the guide ring 1 is located at half the height of the stationary disc 2 profile.
[0025] Optionally, the stationary disc 2 can move axially along the guide ring 1.
[0026] Optionally, the end face of the guide ring 1 is provided with multiple protrusions, and the end face of the protrusions is provided with mounting holes.
[0027] Optionally, the cross slip ring 4 is provided with four protrusions, two of which are installed at the bifurcation of the outer edge of the moving plate 3, and the end face of the cross slip ring 4 slides against the end face of the bracket body 5.
[0028] Optionally, the bracket body 5 is provided with a plurality of protrusions corresponding to the protruding portions of the guide ring 1, and the protruding portions of the guide ring 1 and the protrusions of the bracket body 5 are connected through the mounting holes.
[0029] The technical effect achieved by the above embodiment is that the above arrangement significantly reduces the wear between the static disc 2 and the dynamic disc 3.
[0030] Embodiment 3
[0031] As shown in Figure 1 , a floating type static disc mechanism of a high-pressure scroll compressor, comprising all the contents of embodiment 2, in addition, a controller 9 is installed at the end of the cylinder body 12 away from the cylinder head 10, and the controller 9 is electrically connected with the permanent magnet synchronous motor 8.
[0032] The technical effect achieved by the above embodiment is that the arrangement of the controller 9 improves the intelligence of the compressor.
[0033] Embodiment 4
[0034] As shown in Figure 1 , a floating type static disc mechanism of a high-pressure scroll compressor, comprising all the contents of embodiment 3, in addition, an oil-gas separator 11 is arranged in the cylinder head 10.
[0035] The technical effect achieved by the above embodiment is that the arrangement improves the oil-gas separation effect.
[0036] Embodiment 5
[0037] As shown in Figure 1 , a floating type static disc mechanism of a high-pressure scroll compressor, comprising all the contents of embodiment 4, in addition, the static disc 2 and the dynamic disc 3 are coaxially arranged.
[0038] Optionally, a gap is arranged between the end face of the dynamic disc 3 located in the spiral chamber of the static disc 2 and the bottom surface of the spiral chamber of the static disc 2.
[0039] The technical effect achieved by the above embodiment is that the arrangement effectively avoids the wear between the static disc 2 and the dynamic disc 3.
[0040] In the description of the utility model, it is necessary to understand that the directions or position relations indicated by the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model.
[0041] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0042] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0043] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled person in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.
[0044] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled person in the art can change, modify, replace and modify the above embodiments within the scope of the utility model.
[0045] In the description of the present specification, the description referring to the terms "embodiment one", "embodiment two", "example", "specific example", or "some examples" and the like means that the specific method, device or feature described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, methods, devices or features can be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.
[0046] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A floating stationary disc mechanism for a high-pressure scroll compressor, comprising a stationary disc (2), a moving disc (3), a fixed disc (6), a main shaft (7), a permanent magnet synchronous motor (8), a cylinder body (12), and a cylinder head (10); the cylinder head (10) is detachably connected to the end of the cylinder body (12), a fixed stationary disc (2) is disposed inside the cylinder body (12), a moving disc (3) is rotatably connected to one end of the stationary disc (2), a fixed fixed disc (6) is disposed on the back side of the moving disc (3), the main shaft (7) passes through the fixed disc (6) and is drivenly connected to the moving disc (3), and the output shaft of the permanent magnet synchronous motor (8) is drivenly connected to the main shaft (7), characterized in that, It also includes a guide ring (1), a cross slip ring (4) and a support body (5); the back side of the moving plate (3) is provided with a cross slip ring (4), the back side of the cross slip ring (4) is provided with a support body (5), and the periphery of the stationary plate (2) is provided with a guide ring (1).
2. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 1, characterized in that, The guide ring (1) is set at half the height of the profile of the stationary disc (2).
3. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 2, characterized in that, The stationary disc (2) can move axially along the guide ring (1).
4. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 3, characterized in that, The end face of the guide ring (1) is provided with multiple protrusions, and the end face of the protrusions is provided with mounting holes.
5. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 4, characterized in that, The cross slip ring (4) has four protrusions, two of which are installed at the bifurcation of the outer edge of the moving plate (3). The end face of the cross slip ring (4) slides against the end face of the support body (5).
6. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 5, characterized in that, The bracket body (5) is provided with a plurality of protrusions corresponding to the protrusions of the guide ring (1), and the protrusions of the guide ring (1) and the protrusions of the bracket body (5) are connected through mounting holes.
7. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 1, characterized in that, It also includes a controller (9), which is installed on the end of the cylinder block (12) away from the cylinder head (10) and is electrically connected to the permanent magnet synchronous motor (8).
8. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 1, characterized in that, It also includes an oil-gas separator (11), which is located inside the cylinder head (10).
9. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 1, characterized in that, The stationary disk (2) and the moving disk (3) are set coaxially.
10. The floating stationary disc mechanism of the high-pressure scroll compressor according to claim 9, characterized in that, A gap is provided between the end face of the moving disk (3) located in the spiral chamber of the stationary disk (2) and the bottom surface of the spiral chamber of the stationary disk (2).