Adaptive oil supply components, scroll compressors and air conditioners

Abstract

The present application relates to an adaptive oil supply assembly, a scroll compressor, and an air conditioner. The adaptive oil supply assembly comprises: a housing, an upper slider, and a lower slider. The housing has an internal cavity and a top opening and a bottom opening communicating with the internal cavity, the top opening, the internal cavity, and the bottom opening collectively forming an oil supply passage. A plurality of upper sliders are provided, each elastically connected to the inner wall of the internal cavity along a radial direction. When the upper sliders are in a static state, the upper sliders are joined together to form an upper notch having the same diameter as the top opening. A plurality of lower sliders are provided, each disposed below the upper sliders. Each lower slider is elastically connected to the inner wall of the internal cavity along a radial direction. When the lower sliders are in a static state, the lower sliders are joined together to form a lower notch having the same diameter as the bottom opening.

Description

Technical Field

[0001] The present application relates to the field of compressors, and in particular to an adaptive oil supply component, a scroll compressor, and an air conditioner. Background Art

[0002] Scroll compressors have been widely used in systems such as air conditioning and heat pumps due to their significant advantages, including high efficiency, compact size, and smooth operation. Traditional scroll compressors utilize a specific oil supply structure, which pumps refrigerant oil from the oil sump at the bottom of the compressor through the crankshaft to the pump body, specifically the orbiting and stationary scrolls. This lubricates the pump end faces and ensures proper operation of the compressor.

[0003] At present, the main oil supply methods used by compressors are oil pump oil supply and oil guide plate oil supply. However, both of these oil supply methods have a common problem: the oil supply is too large under high-frequency operation. Excessive oil supply will not only lead to a significant increase in oil supply power consumption, but also cause the oil circulation rate to increase, resulting in energy waste and increased operating costs. Although the oil supply at high frequencies can be reduced by reducing the oil pump volume or reducing the rotation amount of the oil guide plate, this will cause a new problem, that is, when operating at low frequencies, the oil supply cannot meet the demand, and eventually the pump body will be worn due to lack of oil, seriously affecting the service life and performance stability of the scroll compressor. Therefore, there is an urgent need to develop a special oil supply structure that can reduce the oil supply of the oil pump or oil guide plate at high frequencies while ensuring sufficient oil supply at low frequencies, so as to overcome the defects of the existing technology. Summary of the Invention

[0004] The present application provides an adaptive oil supply component, a scroll compressor and an air conditioner to solve the technical problem in the above-mentioned prior art that the oil supply of the compressor cannot meet the demand.

[0005] The present invention provides an adaptive oil supply assembly, comprising: an outer shell, an upper slider and a lower slider, wherein the outer shell has an internal cavity and a top opening and a bottom opening connected to the internal cavity, and the top opening, the internal cavity and the bottom opening together form an oil supply channel; a plurality of upper sliders are provided, and each of the upper sliders is elastically connected to the inner wall of the internal cavity along the radial direction, and when each of the upper sliders maintains a static state, the upper sliders are pieced together to form an upper notch with the same diameter as the top opening; a plurality of lower sliders are provided, and each of the lower sliders The cam is provided below each of the upper sliders, and each of the lower sliders is elastically connected to the inner wall of the internal cavity in the radial direction. When each of the lower sliders maintains a static state, each of the lower sliders is pieced together to form a lower notch with the same diameter as the bottom opening; when the adaptive oil supply assembly rotates along its own axial direction, each of the upper sliders and each of the lower sliders is offset under the action of centrifugal force, so that the size of each of the upper notch and the lower notch changes, and the intersection area between the upper notch and the lower notch and the oil supply channel along its own axial direction changes accordingly.

[0006] The upper sliders are evenly arranged along the periphery of the top opening, and the lower sliders are evenly arranged along the periphery of the bottom opening. The mass of each upper slider is smaller than the mass of each lower slider.

[0007] Wherein, each of the upper sliders is constructed as a fan-shaped structure, and correspondingly, each of the lower sliders is constructed as a fan-shaped structure.

[0008] Wherein, the upper sliding block and the lower sliding block have the same sector-shaped cross-sectional area along their own radial sections.

[0009] Wherein, the thickness dimension of the upper slider along the axial direction of the shell is smaller than the thickness dimension of the lower slider along the axial direction of the shell.

[0010] The upper slider is elastically connected to the inner wall of the internal cavity along its own radial direction through an upper connecting rod, and the lower slider is elastically connected to the inner wall of the internal cavity along its own radial direction through a lower connecting rod.

[0011] Among them, a first elastic member is sleeved on the outer periphery of the upper connecting rod, one end of the first elastic member is connected to the outer wall of the upper slider, and the other end of the first elastic member is connected to the inner wall of the internal cavity; a second elastic member is sleeved on the outer periphery of the lower connecting rod, one end of the second elastic member is connected to the outer wall of the lower slider, and the other end of the second elastic member is connected to the inner wall of the internal cavity.

[0012] A hydraulic channel is formed between the upper slider, the housing and the lower slider, the upper connecting rod is in sliding cooperation with the hydraulic channel located on the upper slider, and the lower connecting rod is in sliding cooperation with the hydraulic channel located on the lower slider.

[0013] The present invention also provides a scroll compressor, including the above-mentioned adaptive oil supply assembly, and also including a crankshaft, a lower bracket and a drive shaft, the drive shaft is located at the coaxial connection between the crankshaft and the lower bracket, and the adaptive oil supply assembly rotates coaxially with the drive shaft through the outer shell.

[0014] The present invention also provides an air conditioner, comprising the scroll compressor.

[0015] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0016] The adaptive oil supply assembly, scroll compressor and air conditioner provided in the embodiments of the present application can, when the adaptive oil supply assembly rotates along its own axial direction, each upper slider and each lower slider are offset under the action of centrifugal force, so that the size of each upper notch and the lower notch changes, and the intersection area between the upper notch and the lower notch and the oil supply channel along its own axial direction changes accordingly, that is, by using the centrifugal force generated by the rotation as a drive, the structure can achieve closing in different situations at different speeds, so that the oil supply of the compressor changes with the speed, the oil supply is reduced under high-frequency conditions, and the oil supply under low-frequency conditions is ensured to be sufficient, thereby optimizing the performance of the compressor, reducing power consumption, reducing the oil circulation rate, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0019] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings. These exemplifications do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0020] Figure 1 A schematic cross-sectional view of the structure of an adaptive oil supply assembly provided in an embodiment of the present application installed on a scroll compressor;

[0021] Figure 2 A schematic cross-sectional view of the adaptive oil supply assembly provided in an embodiment of the present application installed on a drive shaft;

[0022] Figure 3 A schematic cross-sectional view of the adaptive oil supply assembly provided in an embodiment of the present application in a normal state;

[0023] Figure 4 for Figure 3 Schematic diagram of the cross-section structure at AA in the middle;

[0024] Figure 5 for Figure 3 Schematic diagram of the cross-section structure at the middle BB;

[0025] Figure 6 A schematic cross-sectional view of the adaptive oil supply assembly provided in an embodiment of the present application in a rotating operating state;

[0026] Figure 7 for Figure 6 Schematic diagram of the cross-section structure at CC;

[0027] Figure 8 for Figure 6 Schematic diagram of the cross-sectional structure at DD in the middle.

[0028] Description of reference numerals:

[0029] 1. Lower support ring; 2. Lower bracket; 3. Crankshaft; 4. Oil pump; 5. Drive shaft; 6. Adaptive oil supply assembly; 61. Upper slider; 62. Housing; 63. Hydraulic channel; 64. Spring; 641. First elastic member; 642. Second elastic member; 65. Lower slider. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0031] The disclosure below provides many different embodiments or examples for implementing different configurations of the present invention. To simplify the disclosure of the present invention, the components and configurations of specific examples are described below. Of course, these are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or configurations discussed.

[0032] For ease of description, spatially relative terms may be used herein to describe the relative position or movement of one element or feature relative to another element or feature as shown in the figures. These relative terms include, for example, "inside," "outside," "inside," "outside," "below," "beneath," "above," "above," "front," "rear," and the like. Such spatially relative terms are intended to encompass different orientations of the device during use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is flipped, changes position, or changes motion, these directional indications will change accordingly. For example, an element described as "below" or "beneath" another element or feature would subsequently be oriented "above" or "above" the other element or feature. Thus, the example term "below" can encompass both above and below orientations. The device may be oriented differently (rotated 90 degrees or in other orientations), and the spatially relative terms used herein should be interpreted accordingly.

[0033] The scroll compressor is a positive displacement rotary compressor that is widely used in various air conditioners and refrigeration units due to its high efficiency, small size, light weight, low noise, simple structure and smooth operation.

[0034] The scroll compressor mainly converts electrical energy into mechanical energy. The key working components include a fixed scroll (stator disc) and a moving scroll (moving disc). The moving and stationary scrolls mesh with each other and move relative to each other. During installation, the moving disc is 180° apart from the stationary disc and is eccentric. The ends of the moving and stationary discs are in contact with the bottom, and the moving and stationary discs are in contact on the axis, which appears as a tangent point contact on the cross section. As a result, a series of crescent-shaped spaces are formed between the moving and stationary discs, called elementary volumes. As the moving scroll moves, the gas is gradually pushed into the central space, its volume continues to shrink and the pressure continues to increase, thereby achieving gas compression. An exhaust port is opened at the top center of the stator disc. When the elementary volume is connected to the exhaust port, the high-pressure gas is discharged from the compressor. Generally, it is discharged to the condenser. During the condenser coil process, a large amount of heat will be released into the air, and only high pressure will be retained in the end. It will condense into high-pressure liquid (with a very low temperature). When it flows to the expansion valve of the indoor unit, the pressure will be suddenly released and evaporated into gas. Evaporation absorbs heat, so when the refrigerant flows through the evaporator coil of the indoor unit, it will absorb heat from the air to further gasify, and the surrounding air will be cooled down. The cooling air blown out by the fan can lower the temperature of our room. Finally, these gases return to the scroll compressor for compression again, and the cycle repeats.

[0035] The electric motor drives the scroll disk. During high-frequency operation, excessive oil supply can lead to a significant increase in oil consumption and a higher oil circulation rate, resulting in energy waste and increased operating costs. While it's possible to reduce oil supply at high frequencies by reducing the oil pump volume or reducing the rotation of the oil guide vanes, this can lead to a new problem: during low-frequency operation, the oil supply can't meet demand, ultimately causing wear on the pump body due to oil starvation, seriously impacting the scroll compressor's service life and performance stability.

[0036] To alleviate the above problems, refer to Figures 1-8 The embodiment of the present application provides an adaptive oil supply structure, which uses the centrifugal force generated by rotation as a drive, so that the structure can achieve closing in different situations at different speeds, so that the oil supply of the compressor changes with the speed, and the oil supply is reduced under high-frequency conditions, while ensuring sufficient oil supply under low-frequency conditions, optimizing compressor performance, reducing power consumption, reducing oil circulation rate, etc.

[0037] The embodiment of the present application provides an adaptive oil supply assembly 6, comprising: a shell 62, an upper slider 61 and a lower slider 65. The shell 62 has an internal cavity and a top opening and a bottom opening connected to the internal cavity. The top opening, the internal cavity and the bottom opening together form an oil supply channel; a plurality of upper sliders 61 are provided, each of which is elastically connected to the inner wall of the internal cavity in the radial direction. When the upper sliders 61 remain in a static state, the upper sliders 61 are pieced together to form an upper notch with the same diameter as the top opening; a plurality of lower sliders 65 are provided. Each lower slider 65 is arranged below each upper slider 61, and each lower slider 65 is elastically connected to the inner wall of the internal cavity in the radial direction. When each lower slider 65 maintains a static state, each lower slider 65 is pieced together to form a lower notch with the same diameter as the bottom opening; when the adaptive oil supply assembly 6 rotates along its own axial direction, each upper slider 61 and each lower slider 65 is offset under the action of centrifugal force, so that the size of each upper notch and lower notch changes, and the intersection area between the upper notch and the lower notch and the oil supply channel along its own axial direction changes accordingly.

[0038] In this way, when the adaptive oil supply assembly 6 rotates along its own axial direction, each upper slider 61 and each lower slider 65 is offset under the action of centrifugal force, so that the size of each upper notch and lower notch changes, and the intersection area between the upper notch and the lower notch and the oil supply channel along its own axial direction changes accordingly. That is, by using the centrifugal force generated by the rotation as a drive, the structure can achieve closure in different situations at different speeds, so that the oil supply of the compressor changes with the speed, the oil supply is reduced under high-frequency conditions, and the oil supply under low-frequency conditions is ensured to be sufficient, thereby optimizing the performance of the compressor, reducing power consumption, reducing the oil circulation rate, etc.

[0039] That is, the adaptive oil supply component 6 can change the oil supply amount of the oil pump 4 with the operating frequency of the compressor, reducing the oil supply amount under high-frequency working conditions, thereby achieving the purpose of reducing power consumption and oil circulation rate.

[0040] The adaptive oil supply assembly 6 provided in the embodiment of the present application is primarily composed of a housing 62, an upper slider 61, and a lower slider 65. The housing 62 is provided with an internal cavity and has a top opening and a bottom opening connected to the internal cavity. Together, the three form an oil supply channel. Multiple upper sliders 61 and lower sliders 65 are provided, each elastically connected to the inner wall of the internal cavity in the radial direction. When static, the upper sliders 61 are assembled to form an upper notch of the same diameter as the top opening, and the lower sliders 65 are assembled to form a lower notch of the same diameter as the bottom opening, providing a channel foundation for initial oil supply.

[0041] During application, the adaptive oil supply assembly 6 is installed on the drive shaft 5 of the compressor through the housing 62. The drive shaft 5 is located at the connection between the crankshaft 3 and the lower bracket 2. It should be noted that the drive shaft 5 is driven and connected to the oil pump 4.

[0042] Thus, the internal cavity, top opening, and bottom opening of housing 62 form the oil supply passage, physically connecting it to the compressor's oil system. The upper and lower sliders 61 and 65 are arranged in a "multiple sector-shaped" configuration with radial elastic connections. When static, these sections create upper and lower notches of equal diameter to the openings, forming the initial oil supply path. This allows for a "variable channel" for adjusting oil flow under different operating conditions, allowing the oil supply system to dynamically respond to the compressor's operating status.

[0043] When the adaptive oil supply assembly 6 rotates along its own axial direction, the upper slider 61 and the lower slider 65 will be offset under the action of centrifugal force. Different rotation speeds and different centrifugal force magnitudes will result in different slider offset degrees, which will change the size of the upper and lower notches. At the same time, the intersection area between the upper and lower notches and the oil supply channel along the axial direction will also change accordingly. By using the centrifugal force generated by the rotation as a drive, the structure can present different closed states at different rotation speeds, allowing the oil supply of the compressor to be flexibly adjusted with the rotation speed. The adaptive oil supply assembly 6 realizes automatic adjustment of the oil supply as the operating frequency of the compressor changes. Under high-frequency working conditions, the oil supply is reduced, which effectively reduces the oil supply power consumption and oil circulation rate, avoiding energy waste and rising operating costs; under low-frequency working conditions, it can ensure sufficient oil supply and prevent the pump body from wearing due to lack of oil, greatly improving the service life and performance stability of the scroll compressor, and comprehensively optimizing the overall performance of the compressor.

[0044] Considering the scenario in which the offset of the upper slider 61 is greater than the offset of the lower slider, in the adaptive oil supply assembly 6 provided in the embodiment of the present application, each upper slider 61 is evenly arranged along the periphery of the top opening, and each lower slider 65 is evenly arranged along the periphery of the bottom opening, and the mass of each upper slider 61 is less than the mass of each lower slider 65.

[0045] The adaptive oil supply assembly 6 of the present embodiment consists of a housing 62, an upper slider 61, and a lower slider 65. The internal cavity, top opening, and bottom opening of the housing 62 form the oil supply channel. The upper sliders 61 are evenly spaced along the perimeter of the top opening, while the lower sliders 65 are evenly spaced along the perimeter of the bottom opening. Each upper slider 61 has a smaller mass than the lower slider 65. When static, the upper and lower sliders 65 form notches of equal diameter to the corresponding openings. This mass difference provides the basis for different deflections under the influence of centrifugal force.

[0046] When the adaptive oil supply assembly 6 rotates axially, the upper slider 61 has a smaller mass than the lower slider 65. As a result of centrifugal force, the upper slider 61 deflects more than the lower slider 65. As the speed changes, the centrifugal force varies. The varying degrees of deflection of the upper and lower sliders 65 cause the sizes of the upper and lower notches to vary, thereby altering the intersection area between the notches and the oil supply passage. This design achieves differentiated closure at different speeds, allowing the compressor's oil supply to be precisely adjusted with speed.

[0047] When the drive shaft 5 (crankshaft 3) rotates the assembly, centrifugal force acts on the upper slider 61 (smaller mass) and lower slider 65 (larger mass). Due to the mass difference, the upper slider 61 deflects more than the lower slider 65. Both sliders are elastically connected radially. When centrifugal force overcomes the preload of spring 64, the sector-shaped slider slides toward the inner wall of the cavity, causing the upper and lower notches to change in size, and the axial intersection area between the oil supply channel and the notch to change simultaneously. This "centrifugal force-mass difference-elastic displacement" mechanical chain allows precise control of oil supply with speed: at high frequencies, centrifugal force is high, causing the slider to deflect significantly, narrowing the notch and reducing oil supply; at low frequencies, centrifugal force is low, causing the slider to reset and maintain flow through the notch, ensuring oil supply.

[0048] Under high-frequency operating conditions, excessive oil supply can cause power consumption and oil circulation rate issues. This component utilizes the "small mass and easy deflection of the upper slider 61" to quickly reduce the upper gap, limiting the flow area of ​​the oil supply channel. This physically reduces the oil supply and directly alleviates the drawback of "high-frequency, high-oil" operation. Under low-frequency operating conditions, the slider is subjected to less centrifugal force, and the elastic connection resets it, maintaining the flow capacity of the lower gap, ensuring adequate lubrication of the pump body and preventing wear caused by oil starvation. By "structural design adapting to mechanical laws and mechanical response matching operating conditions," adaptive optimization of the compressor's oil supply is achieved, fundamentally improving energy efficiency and stability.

[0049] Considering that the upper slider 61 can form an annular structure with an upper notch in a static state, and considering that the lower slider 65 can form an annular structure with a lower notch in a static state, in the adaptive oil supply assembly 6 provided in the embodiment of the present application, each upper slider 61 is constructed as a fan-shaped structure, and correspondingly, each lower slider 65 is constructed as a fan-shaped structure.

[0050] In this way, when static, multiple fan-shaped upper sliders 61 are tightly assembled into a ring-shaped structure with an upper notch, corresponding to the top opening. The fan-shaped lower slider 65 forms a lower notch ring structure, matching the bottom opening and forming the initial oil supply channel. When the assembly rotates axially with the compressor drive shaft 5, centrifugal force becomes a key factor in drive regulation. Because each upper slider 61 is smaller than the lower slider 65, the lighter upper slider 61 deflects more under centrifugal force and slides toward the inner wall of the cavity first. The ingenious fan-shaped structure lies in its curved profile, which efficiently changes the inner diameter of the upper notch ring structure during deflection, simultaneously reducing the intersection area between the notch and the oil supply channel. Although the lower slider 65 has a larger mass and a relatively smaller deflection, it also leverages the characteristics of the fan-shaped structure to precisely adjust the size of the lower notch. As the speed changes, the centrifugal force changes, and the upper and lower sliders 65 continuously and dynamically adjust the notch size, achieving precise control of the oil supply channel's flow area, allowing the compressor's oil supply to be flexibly and precisely adjusted according to the actual operating speed.

[0051] Under high-frequency operating conditions, the greater centrifugal force causes the upper slider 61 to deflect significantly, significantly reducing the upper gap, effectively limiting the oil supply, reducing the increased power consumption and oil circulation rate caused by excessive oil supply, and reducing energy consumption and operating costs. Under low-frequency operating conditions, the centrifugal force is weakened, and the lower slider 65, due to its structural and quality characteristics, maintains the appropriate lower gap size, ensuring that lubricating oil can be adequately supplied to key components such as the pump body, avoiding wear caused by oil shortage, and greatly improving the service life of the compressor. In addition, by precisely adjusting the oil supply, this component optimizes the operating efficiency of the compressor under different operating conditions, reduces performance fluctuations caused by unreasonable oil supply, enhances the stability of equipment operation, and achieves comprehensive optimization of the overall performance of the scroll compressor from multiple aspects.

[0052] Considering the structural stability of the upper slider 61 and the lower slider 65 in the adaptive oil supply assembly 6, in the adaptive oil supply assembly 6 provided in the embodiment of the present application, the fan-shaped cross-sectional areas of the upper slider 61 and the lower slider 65 along their own radial sections are the same.

[0053] In this way, when static, multiple upper sliders 61 with the same fan-shaped cross-sectional area are spliced ​​into an upper notch ring structure, and the lower slider 65 constitutes a lower notch ring structure, forming a stable initial oil supply channel layout. When the assembly rotates with the compressor drive shaft 5, centrifugal force acts on the upper and lower sliders 65. Since the two have the same fan-shaped cross-sectional area, under the action of centrifugal force, the force distribution they are subjected to is more balanced, avoiding the slider shaking or tilting due to uneven force. The upper slider 61 with a smaller mass can still slide toward the inner wall of the cavity with a larger offset, and efficiently change the inner diameter of the upper notch by virtue of the fan-shaped structure; the lower slider 65 accurately adjusts the size of the lower notch while maintaining structural stability. This stable and coordinated movement mode allows the upper and lower sliders 65 to continuously and accurately adjust the size of the notch dynamically at different speeds, thereby achieving stable control of the flow area of ​​the oil supply channel, allowing the compressor oil supply to change stably and accurately according to the actual operating speed, effectively avoiding adjustment deviations caused by structural instability.

[0054] In addition, the enhanced structural stability ensures that under high-frequency operating conditions, the upper slider 61 can stably and significantly deflect, causing the upper gap to steadily shrink, continuously and effectively limiting the oil supply, steadily reducing power consumption and oil circulation rate, and avoiding failure of oil supply regulation due to structural shaking; under low-frequency operating conditions, the lower slider 65 stably maintains the appropriate lower gap size, ensuring sufficient and stable supply of lubricating oil, effectively preventing oil shortage and wear problems caused by structural instability, and greatly improving the stability of the compressor's service life. In addition, the stable structure makes the component's adjustment of the oil supply more accurate and reliable, effectively reducing the unstable performance of the compressor caused by adjustment fluctuations, further optimizing the compressor's operating efficiency under different working conditions, and comprehensively improving the overall performance and reliability of the scroll compressor, providing a strong guarantee for the stable operation of the equipment.

[0055] Considering the scenario in which the mass of the lower slider 65 is greater than the mass of the upper slider 61 , in the adaptive oil supply assembly 6 provided in the embodiment of the present application, the thickness dimension of the upper slider 61 along the axial direction of the outer shell 62 is smaller than the thickness dimension of the lower slider 65 along the axial direction of the outer shell 62 .

[0056] In this way, when static, multiple upper and lower sliders 65 are spliced ​​into an upper notch ring structure and a lower notch ring structure, respectively, to form the initial oil supply channel. When the assembly rotates with the compressor drive shaft 5, the differences in mass and thickness work together under the action of centrifugal force. The upper slider 61, which has a smaller mass and a thinner thickness, has a smaller inertia and a smaller force-bearing area, and is more likely to produce a larger offset under the action of centrifugal force, sliding quickly toward the inner wall of the cavity, effectively changing the inner diameter of the upper notch. On the other hand, the lower slider 65, which has a larger mass and a thicker thickness, is subject to centrifugal force, but due to its inertia and structural characteristics, the offset is relatively small, ensuring that the size of the lower notch can still be maintained stable under low-frequency conditions. At different speeds, the flexible offset of the upper slider 61 and the stable support of the lower slider 65 cooperate with each other to accurately adjust the size of the upper and lower notches, realizing dynamic control of the flow area of ​​the oil supply channel, so that the compressor oil supply can be stably and accurately changed according to the operating speed, effectively avoiding abnormal oil supply caused by unbalanced adjustment.

[0057] Furthermore, under high-frequency operating conditions, the upper slider 61, due to its small mass and thin thickness, deflects significantly under the action of large centrifugal force, significantly reducing the upper gap and effectively limiting the oil supply, thereby reducing power consumption and oil circulation rate caused by excessive oil supply, effectively reducing energy waste and operating costs; under low-frequency operating conditions, the lower slider 65, relying on its large mass and thick thickness, maintains structural stability, maintains the appropriate size of the lower gap, ensures a stable and sufficient supply of lubricating oil, avoids wear of the pump body due to lack of oil, and greatly improves the service life of the compressor. In addition, this differentiated design makes the component more sensitive and stable in adjusting the oil supply, reduces the fluctuation of oil supply caused by changes in operating conditions, optimizes the operating efficiency of the compressor under different operating conditions, enhances the stability and reliability of the overall performance of the equipment, and provides a strong guarantee for the efficient and stable operation of the scroll compressor.

[0058] Considering the elastic connection scheme of the upper slider 61 and the lower slider 65 relative to the inner wall of the internal cavity along their own radial direction, in the adaptive oil supply assembly 6 provided in the embodiment of the present application, the upper slider 61 is elastically connected to the inner wall of the internal cavity along its own radial direction through the upper connecting rod, and the lower slider 65 is elastically connected to the inner wall of the internal cavity along its own radial direction through the lower connecting rod.

[0059] In this way, when static, the multiple upper and lower sliders 61 and 65 are assembled into a ring-shaped structure with upper and lower notches, forming the initial oil supply channel. At this point, the elasticity of the connecting rod is in an initial preloaded state. When the assembly rotates with the compressor drive shaft 5, centrifugal force acts on the upper and lower sliders 65, attempting to push them radially outward. Because the upper slider 61 is lightweight and thin, a relatively small centrifugal force can overcome the elastic preload of the upper connecting rod, resulting in a significant deflection. This causes the upper connecting rod to stretch and deform, significantly changing the size of the upper notch. However, due to its large mass and thickness, the lower slider 65 requires a greater centrifugal force to overcome the elastic force of the lower connecting rod and cause deflection. Therefore, under low-frequency operating conditions, the lower connecting rod effectively limits the deflection of the lower slider 65, maintaining the stability of the lower notch size and ensuring adequate oil supply. As the speed changes, the centrifugal force varies, and the degree of elastic deformation of the upper and lower connecting rods also changes accordingly. Through the dynamic balance between the elastic and centrifugal forces, the intersection area between the upper and lower notches and the oil supply channel is precisely adjusted, achieving stable and precise regulation of oil supply with speed.

[0060] Furthermore, under high-frequency operating conditions, the upper connecting rod can flexibly respond to changes in centrifugal force, causing the upper slider 61 to shift in a timely and sufficient manner, significantly reducing the upper gap and effectively limiting the oil supply, thereby significantly reducing the power consumption and oil circulation rate caused by excessive oil supply, reducing energy waste, and reducing operating costs; under low-frequency operating conditions, the lower connecting rod, with its strong elastic support force, stably maintains the position of the lower slider 65, ensuring that the lower gap is of appropriate size, so that the lubricating oil is stably and sufficiently supplied to key components such as the pump body, effectively avoiding wear caused by oil shortage and extending the service life of the compressor. In addition, this elastic connection method gives the component good buffering and adaptive capabilities, can effectively absorb the impact force caused by factors such as speed fluctuations, reduce the rigid collision between the slider and the cavity, reduce operating noise and vibration, further improve the stability and comfort of the compressor operation, and comprehensively optimize the overall performance of the scroll compressor.

[0061] Considering the specific scheme of the elastic connection between the upper slider 61 and the inner wall of the internal cavity, and the specific scheme of the elastic connection between the lower slider 65 and the inner wall of the internal cavity, in the adaptive oil supply assembly 6 provided in the embodiment of the present application, a first elastic member 641 is sleeved on the outer periphery of the upper connecting rod, one end of the first elastic member 641 is connected to the outer wall of the upper slider 61, and the other end of the first elastic member 641 is connected to the inner wall of the internal cavity; a second elastic member 642 is sleeved on the outer periphery of the lower connecting rod, one end of the second elastic member 642 is connected to the outer wall of the lower slider 65, and the other end of the second elastic member 642 is connected to the inner wall of the internal cavity.

[0062] In this way, in a static state, the first elastic member 641 is mounted on the outer periphery of the upper connecting rod, one end tightly connected to the outer wall of the upper slider 61 and the other end fixed to the inner wall of the internal cavity, in an initial pre-compressed state. The second elastic member 642 is mounted on the outer periphery of the lower connecting rod, similarly connecting the lower slider 65 to the inner wall of the cavity, providing a stable initial support force. The gap formed by the splicing of the upper and lower sliders 65 now constitutes the initial oil supply channel. When the assembly rotates with the compressor drive shaft 5, centrifugal force acts on the sliders, attempting to push them radially apart. The centrifugal force exerted on the light-weight and thin upper slider 61 more easily overcomes the pre-compressive force of the first elastic member 641, causing it to stretch and produce a large deflection of the upper slider 61, rapidly reducing the upper gap. In contrast, the heavy-weight and thick lower slider 65 requires greater centrifugal force to deform the second elastic member 642. Under low-frequency conditions, the second elastic member 642, with its strong elastic recovery force, firmly limits the deflection of the lower slider 65, maintaining the stability of the lower gap. As the speed changes, the first and second elastic members 642 dynamically adjust the degree of compression or stretching according to the magnitude of the centrifugal force. Through the precise confrontation between the elastic force and the centrifugal force, the sizes of the upper and lower notches are continuously and accurately changed, thereby achieving efficient regulation of the flow area of ​​the oil supply channel, ensuring that the oil supply of the compressor is perfectly matched with the speed.

[0063] Furthermore, under high-frequency operating conditions, the sensitive response characteristics of the first elastic member 641 cause the upper slider 61 to deflect rapidly, significantly reducing the upper gap and accurately limiting the oil supply, effectively reducing the high power consumption and high oil circulation rate problems caused by excessive oil supply, significantly reducing energy loss, and reducing equipment operating costs; during low-frequency operation, the second elastic member 642, with its strong elastic support force, firmly maintains the position of the lower slider 65, ensuring that the lower gap is of appropriate size, ensuring a stable and sufficient supply of lubricating oil, and completely avoiding the risk of wear of the pump body due to lack of oil, greatly extending the service life of the compressor. In addition, the buffering and energy absorption characteristics of the elastic member effectively absorb the impact force generated by speed fluctuations and mechanical vibrations, reduce the rigid contact between the slider and the cavity, reduce operating noise and vibration amplitude, and improve the quietness and stability of the equipment operation. This precise elastic connection design realizes dynamic adaptive adjustment of the oil supply, significantly enhances the operating reliability and energy efficiency performance of the scroll compressor under different operating conditions, and comprehensively optimizes the overall performance of the equipment.

[0064] Considering the oil flow scheme of the adaptive oil supply component 6 in the compressor, in the adaptive oil supply component 6 provided in the embodiment of the present application, a hydraulic channel 63 is formed between the upper slider 61, the outer shell 62 and the lower slider 65, and the upper connecting rod slides with the hydraulic channel 63 located on the upper slider 61, and the lower connecting rod slides with the hydraulic channel 63 located on the lower slider 65.

[0065] In this way, when static, the upper and lower connecting rods maintain their initial sliding engagement with the hydraulic channels 63 of their corresponding sliders. Lubricating oil can flow smoothly through the gap formed by the joint of the upper and lower sliders 61 and 65, and through the hydraulic channels 63, providing basic lubrication for the compressor. When the assembly rotates with the compressor drive shaft 5, centrifugal force causes the upper and lower sliders 65 to move radially, and the upper and lower connecting rods slide synchronously within the hydraulic channels 63. Because the upper slider 61 is lightweight and thin, it experiences a significant deflection under centrifugal force, causing the upper connecting rod to slide within its hydraulic channel 63, shrinking the upper gap and limiting the amount of lubricating oil that can flow through. Due to the lower slider's mass and thickness, the lower connecting rod, in conjunction with the second elastic member 642, limits its deflection under low-frequency conditions, maintaining the flow capacity of the lower gap and the hydraulic channel 63. As the speed changes, the slider's deflection drives the connecting rod to slide to varying degrees within the hydraulic channel 63, continuously and dynamically adjusting the flow area between the hydraulic channel 63 and the upper and lower gaps, precisely controlling the lubricating oil flow and achieving adaptive matching of oil supply to compressor speed. In addition, the flow of lubricating oil in the hydraulic channel 63 can also lubricate the sliding contact parts between the connecting rod and the slider, reduce friction resistance, make the slider move more smoothly under the action of centrifugal force and elastic force, and further optimize the adaptive adjustment effect.

[0066] Furthermore, under high-frequency operating conditions, the offset of the upper slider 61 and the sliding of the upper connecting rod in the hydraulic channel 63 effectively reduce the upper gap and the flow area of ​​the hydraulic channel 63, greatly reducing the oil supply, significantly reducing the high power consumption and high oil circulation rate caused by excessive oil supply, achieving efficient energy utilization, and reducing equipment operating costs; under low-frequency operating conditions, the stable cooperation between the lower slider 65 and the lower connecting rod ensures that the lower hydraulic channel 63 maintains good flowability, guarantees sufficient supply of lubricating oil, effectively avoids wear of the pump body due to lack of oil, and extends the service life of the compressor. At the same time, the lubricating effect of the lubricating oil in the hydraulic channel 63 on the sliding parts of the connecting rod and the slider reduces mechanical friction loss, reduces equipment operating noise and vibration, and improves operating stability. In addition, this oil-passing scheme works in conjunction with the elastic connection structure to make the oil supply adjustment more sensitive and precise, significantly enhancing the adaptability and reliability of the scroll compressor under different operating conditions, comprehensively optimizing the overall performance and operating efficiency of the compressor, and providing a solid guarantee for the efficient and stable operation of the compressor.

[0067] An embodiment of the present application further provides a scroll compressor, including the above-mentioned adaptive oil supply assembly 6, and also including a crankshaft 3, a lower bracket 2 and a drive shaft 5. The drive shaft 5 is located at the coaxial connection between the crankshaft 3 and the lower bracket 2, and the adaptive oil supply assembly 6 rotates coaxially with the drive shaft 5 through the outer shell 62.

[0068] In this way, when the scroll compressor starts, the crankshaft 3 begins to rotate, and the power is transmitted to the adaptive oil supply assembly 6 through the coaxially connected drive shaft 5. The drive shaft 5 is located at the coaxial connection between the crankshaft 3 and the lower bracket 2 to ensure the stability and coaxiality of the power transmission. The adaptive oil supply assembly 6 rotates coaxially with the drive shaft 5 through the outer shell 62, thereby rotating at high speed with the drive shaft 5. During the rotation process, centrifugal force acts on the upper slider 61 and the lower slider 65 in the adaptive oil supply assembly 6. Since the upper slider 61 has a small mass and a thin thickness, and is elastically connected to the inner wall of the internal cavity through the upper connecting rod and the first elastic member 641; the lower slider 65 has a large mass and a thick thickness, and is connected to the inner wall through the lower connecting rod and the second elastic member 642. The different mass, thickness and elastic connection characteristics make the upper slider 61 have a larger offset under the action of centrifugal force than the lower slider 65. The offset of the upper and lower sliders 65 causes the size of the upper and lower gaps formed by their splicing to change, thereby adjusting the flow area of ​​the hydraulic channel 63 formed between the upper slider 61, the outer shell 62 and the lower slider 65, thereby achieving dynamic regulation of the lubricating oil flow. The lubricating oil is accurately supplied to the components that need lubrication inside the compressor, such as the moving scroll disk, through the adjusted hydraulic channel 63, ensuring that each component can be properly lubricated under different operating conditions. At the same time, the drive shaft 5 drives the crankshaft 3 and the lower bracket 2 to operate in coordination, so that the scroll compressor can realize the gas compression function, and the adaptive oil supply component 6 adjusts the oil supply in real time according to the speed of the compressor to ensure stable operation of the compressor.

[0069] Furthermore, under high-frequency operating conditions, the adaptive oil supply component 6 can automatically reduce the oil supply according to the rotational speed, avoiding a significant increase in oil supply power consumption and an increase in oil circulation rate due to excessive oil supply, effectively reducing energy consumption and improving the energy efficiency ratio of the compressor; under low-frequency operating conditions, it can ensure sufficient oil supply, prevent wear of components such as the pump body due to lack of oil, and extend the service life of the compressor. In terms of operational stability, since the oil supply can be accurately adjusted with the rotational speed, the internal components of the compressor are always in a good lubrication state, reducing vibration and noise caused by poor lubrication, and improving the stability and reliability of equipment operation. In addition, this collaborative structural design enables the scroll compressor to better adapt to different workloads and operating conditions, enhances the adaptability and versatility of the equipment, reduces maintenance costs and downtime, brings higher economic benefits and use value to users, and comprehensively improves the competitiveness of the scroll compressor in the market.

[0070] The embodiment of the present application further provides an air conditioner including the scroll compressor described above, which can achieve all the technical effects of the adaptive oil supply assembly 6 and the scroll compressor described above, and will not be described in detail here.

[0071] In order to further understand the solution of this application, the following implementation examples are used for further explanation:

[0072] The adaptive oil supply component 6 of the present application is applied to a scroll compressor and is driven based on the mechanical energy of the motor rotation, so that the oil supply amount of the oil pump 4 changes with the frequency, reducing the oil supply amount under high-frequency working conditions, reducing the oil circulation rate of the compressor, reducing the oil supply power consumption, and improving the performance of the compressor.

[0073] like Figure 1 As shown, the structure includes a lower support ring 1, a lower bracket 2, a crankshaft 3, an oil pump 4, a drive shaft 5, and an adaptive oil supply assembly 6. Specifically, the adaptive oil supply assembly 6 is installed in the cavity between the crankshaft 3 and the drive shaft 5. When the compressor is running, as the speed changes, the two sets of sliders will move in opposite directions due to the difference in centrifugal force. Subsequently, oil supply channels of different areas are opened, causing the oil supply to the compressor crankshaft 3 to change accordingly to adapt to different operating conditions.

[0074] like Figure 2 As shown in the figure, the structure includes an upper slider 61 (4 arranged circumferentially), a 6-2 oil supply structure housing 62, a 6-3 hydraulic channel 63, a first spring 64 and a second spring 64 (a total of eight arranged in front of the slider), and a lower slider 65 (4 arranged circumferentially). When the compressor is running, the sliders are affected by centrifugal force, and they slide to varying degrees and in different directions. The hydraulic channel 63 of this structure is filled with liquid and is relatively closed. When the compressor is running, the adaptive oil supply structure rotates, and the upper slider 61 and the lower slider 65 generate centrifugal force under the action of rotation. Since the mass of the upper slider 61 is smaller than that of the lower slider 65, the centrifugal force of the upper slider 61 is smaller than that of the lower slider 65. The two sliders are connected by the hydraulic channel 63, which is closed. Therefore, under the action of the torque difference between the lower slider 65 and the upper slider 61, the lower slider 65 is displaced away from the center of the circle as it rotates, while the upper slider 61 is displaced toward the center of the circle because the displacement of the lower slider 65 is transmitted through the hydraulic channel 63. As a result, the following situation occurs: the four upper sliders 61 gradually fit together, the oil supply channel gradually decreases, and the oil supply volume decreases accordingly. The connection of the spring 64 realizes the restoration of the slider to its initial position.

[0075] When a traditional compressor is running, the oil pump 4 is a volumetric oil supply. In order to ensure that the compressor is adequately supplied with oil at low frequencies, an oil pump 4 with a larger volume is selected for oil supply. As the operating frequency increases, the speed increases, and the oil supply of the oil pump 4 will also increase with the increase in speed. However, the oil flow required by the compressor pump body is not so much. Excessive oil supply will lead to an increase in compression power consumption and an increase in oil circulation rate. Therefore, the above structure is needed to regulate the oil supply to the crankshaft 3, ensuring the oil supply at low frequencies while reducing the oil supply at high frequencies.

[0076] Figure 3This is the structure of the adaptive oil supply assembly 6 when the compressor is stationary. When the compressor is stationary, the four lower sliders 65 are in a close fit state, and the oil supply channel diameter is the same as the drive diameter; the upper slider 61 is in a dispersed state, and the oil supply channel area is opened to the maximum, ensuring that the oil supply of the compressor at low frequency is not affected by this structure. Figure 4 and Figure 5 The AA and BB cross-sectional views clearly show the state of the slider when the structure is stationary.

[0077] Figure 6 The structure of the adaptive oil supply component 6 when the compressor is running. Figure 6 It can be seen that when the compressor is running, the lower slider 65 slides outward from the center of the circle under the action of centrifugal force. When the lower slider 65 moves outward from the center of the circle, it pushes the hydraulic structure so that the upper slider 61 is subjected to a thrust toward the center of the circle. Since the mass of the lower moving block is greater than that of the upper moving block, the thrust generated is greater than the centrifugal force of the upper moving block, so the upper moving block is pushed toward the center of the circle, thereby reducing the area of ​​the oil supply channel, thereby achieving the purpose of reducing the oil supply amount, realizing that the oil supply changes with the operating frequency, reducing the oil supply amount at high frequencies, reducing compression power consumption, and reducing the oil circulation rate. Figure 7 and Figure 8 The CC and DD cross-sectional views clearly show the movement status of the slider when the structure is running.

[0078] It should be understood that the terms used herein are for the purpose of describing specific example embodiments only and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "comprise", "include", "contain" and "have" are inclusive and therefore specify the presence of stated features, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring them to be performed in the specific order described or illustrated, unless the order of execution is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0079] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0080] The foregoing description is intended only to provide specific embodiments of the present invention, which will enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not intended to be limited to the embodiments shown herein, but is intended to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. An adaptive oil supply component, characterized in that: The adaptive oil supply component includes: a housing having an internal cavity and a top opening and a bottom opening communicating with the internal cavity, wherein the top opening, the internal cavity, and the bottom opening together form an oil supply passage; An upper slider, wherein a plurality of upper sliders are provided, each of the upper sliders being elastically connected to the inner wall of the internal cavity along a radial direction, and when the upper sliders are kept in a static state, the upper sliders are assembled to form an upper notch having the same diameter as the top opening; A plurality of lower sliders are provided, each of which is provided below each of the upper sliders, and each of the lower sliders is elastically connected to the inner wall of the internal cavity along the radial direction. When the lower sliders are kept in a static state, the lower sliders are assembled to form a lower notch having the same diameter as the bottom opening; The mass of each upper slider is smaller than the mass of each lower slider, and a hydraulic channel is formed between the upper slider, the housing, and the lower slider; When the adaptive oil supply assembly rotates along its own axial direction, each upper slider and each lower slider is offset under the action of centrifugal force, so that the size of each upper notch and the lower notch changes, and the intersection area between the upper notch and the lower notch and the oil supply channel along its own axial direction changes accordingly.

2. The adaptive oil supply assembly according to claim 1, characterized in that: The upper sliding blocks are evenly arranged along the outer periphery of the top opening, and the lower sliding blocks are evenly arranged along the outer periphery of the bottom opening.

3. The adaptive oil supply assembly according to claim 1, characterized in that: Each of the upper sliders is configured as a fan-shaped structure, and correspondingly, each of the lower sliders is configured as a fan-shaped structure.

4. The adaptive oil supply assembly according to claim 1, characterized in that: The upper slider and the lower slider have the same sector-shaped cross-sectional area along their own radial sections.

5. The adaptive oil supply assembly according to claim 1, characterized in that: A thickness dimension of the upper slider along the axial direction of the housing is smaller than a thickness dimension of the lower slider along the axial direction of the housing.

6. The adaptive oil supply assembly according to claim 1, characterized in that: The upper slider is elastically connected to the inner wall of the internal cavity along its own radial direction through an upper connecting rod, and the lower slider is elastically connected to the inner wall of the internal cavity along its own radial direction through a lower connecting rod.

7. The adaptive oil supply assembly according to claim 6, characterized in that: A first elastic member is sleeved on the outer periphery of the upper connecting rod, one end of the first elastic member is connected to the outer wall of the upper slider, and the other end of the first elastic member is connected to the inner wall of the internal cavity; a second elastic member is sleeved on the outer periphery of the lower connecting rod, one end of the second elastic member is connected to the outer wall of the lower slider, and the other end of the second elastic member is connected to the inner wall of the internal cavity.

8. The adaptive oil supply assembly according to claim 7, characterized in that: The upper connecting rod is in sliding cooperation with the hydraulic channel located on the upper slider, and the lower connecting rod is in sliding cooperation with the hydraulic channel located on the lower slider.

9. A scroll compressor, characterized in that: It includes the adaptive oil supply assembly according to any one of claims 1-8, and also includes a crankshaft, a lower bracket and a drive shaft, the drive shaft is located at the coaxial connection between the crankshaft and the lower bracket, and the adaptive oil supply assembly rotates coaxially with the drive shaft through the outer shell.

10. An air conditioner, characterized in that: Comprising the scroll compressor of claim 9.

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