CN220815974U - Scroll compressor and refrigeration equipment - Google Patents
Scroll compressor and refrigeration equipment Download PDFInfo
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- CN220815974U CN220815974U CN202322780224.6U CN202322780224U CN220815974U CN 220815974 U CN220815974 U CN 220815974U CN 202322780224 U CN202322780224 U CN 202322780224U CN 220815974 U CN220815974 U CN 220815974U
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 230000004323 axial length Effects 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 abstract description 57
- 238000005192 partition Methods 0.000 abstract description 14
- 230000002829 reductive effect Effects 0.000 abstract description 11
- 230000010349 pulsation Effects 0.000 abstract description 8
- 230000002401 inhibitory effect Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 description 28
- 230000006835 compression Effects 0.000 description 26
- 230000030279 gene silencing Effects 0.000 description 23
- 230000001743 silencing effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000003584 silencer Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000000670 limiting effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Abstract
The utility model relates to the technical field of compressors and discloses a scroll compressor and refrigeration equipment, wherein the scroll compressor comprises a fixed scroll and a separation plate, an exhaust port and an exhaust channel are arranged at the upper end of the fixed scroll, the exhaust port is arranged at the bottom of the exhaust channel, the separation plate is covered above the fixed scroll, the separation plate is provided with a plurality of small holes, and the small holes are positioned above the exhaust channel. The scroll compressor discharges high-pressure refrigerant from the exhaust port, the high-pressure refrigerant passes through the exhaust channel and then passes through a plurality of small holes arranged on the partition plate, and the small holes are used for inhibiting air flow pulsation impact caused by exhaust and reducing noise, so that the operation noise of the scroll compressor is reduced, and the product performance and the user experience are improved.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to a scroll compressor and refrigeration equipment.
Background
The scroll compressor has the characteristics of high efficiency, small volume, light weight and stable operation, and is widely applied to refrigerating equipment such as air conditioners, heat pumps and the like. In the vortex compressor, the vortex plate is a core part, molded line scrolls on the movable vortex plate and the fixed vortex plate are meshed with each other to form a series of crescent compression cavities, the crescent compression cavities continuously move from the periphery to the center along with the eccentric rotation movement of the movable vortex plate, the volume is gradually reduced, the pressure is gradually increased, and finally, high-pressure refrigerant is discharged through an exhaust hole of the fixed vortex plate, so that the compression process is completed. Because exhaust directly strikes scroll compressor's casing, cause high frequency noise big, influence product performance and user experience.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the vortex compressor, and the small holes are arranged on the partition plate, so that the noise problem can be effectively improved.
The utility model also provides refrigeration equipment with the vortex compressor.
According to the vortex compressor, the vortex compressor comprises a static vortex disc and a separation plate, wherein an exhaust port and an exhaust channel are arranged at the upper end of the static vortex disc, the exhaust port is arranged at the bottom of the exhaust channel, the separation plate is covered above the static vortex disc, the separation plate is provided with a plurality of small holes, and the small holes are located above the exhaust channel.
The pump body assembly according to the embodiment of the first aspect of the utility model has at least the following beneficial effects:
The scroll compressor discharges high-pressure refrigerant from the exhaust port, the high-pressure refrigerant passes through the exhaust channel and then passes through a plurality of small holes arranged on the partition plate, and the small holes are used for inhibiting air flow pulsation impact caused by exhaust and reducing noise, so that the operation noise of the scroll compressor is reduced, and the product performance and the user experience are improved.
According to some embodiments of the first aspect of the utility model, the plurality of apertures comprises cross-sectional areas of at least two gauges.
According to some embodiments of the first aspect of the utility model, the aperture has an equivalent diameter D, the vent has a diameter D 1, and the vent passage has a diameter D 2, satisfying: />
According to some embodiments of the first aspect of the utility model, the axial length of the small hole is H, satisfying:
According to some embodiments of the first aspect of the utility model, the number of small holes is N, satisfying: 2.ltoreq.N.ltoreq.9, and the D satisfies: d is more than or equal to 3.5mm.
According to some embodiments of the first aspect of the utility model, the distance between any two of the small holes is M, satisfying: m is less than D 2 -2D.
According to some embodiments of the first aspect of the utility model, the plurality of small holes are spaced circumferentially around the exhaust passage.
According to some embodiments of the first aspect of the utility model, the plurality of apertures comprises a first aperture and a plurality of second apertures spaced circumferentially about the first aperture.
According to some embodiments of the first aspect of the utility model, the cross-sectional shape of the aperture is circular, square, or kidney-shaped.
An embodiment according to a second aspect of the utility model proposes a refrigeration device comprising a scroll compressor according to an embodiment of the first aspect.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a scroll compressor according to some embodiments of the first aspect of the present utility model;
FIG. 2 is a schematic view showing the structure of the connection of the fixed scroll, the partition plate and the upper cover in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a top view of the divider plate of FIG. 1;
FIG. 5 is a cross-sectional view of the divider plate of FIG. 1;
FIG. 6 is a schematic view of a scroll compressor according to further embodiments of the first aspect of the present utility model;
FIG. 7 is a schematic view showing the structure of the connection of the fixed scroll, the partition plate and the upper cover in FIG. 6;
FIG. 8 is a partial enlarged view at B in FIG. 7;
FIG. 9 is a partial cross-sectional view of further embodiments of the first aspect of the utility model;
Fig. 10 is a top view of the muffler plate of fig. 6.
The reference numerals are as follows:
a housing assembly 100, an upper cover 110, a cylinder 120, and a base 130;
Motor assembly 200, spindle 210;
Compression assembly 300, orbiting scroll 310, fixed scroll 320, exhaust port 321, exhaust passage 322, cylindrical portion 323, partition plate 330, small hole 331, muffler plate 340, muffler hole 341, first muffler hole 3411, and second muffler hole 3412.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The refrigeration equipment is used for preparing cold air by virtue of a refrigeration system to achieve the aim of cooling, wherein the compressor is a power component of the refrigeration system, and the compressor drives the refrigerant to circularly flow so as to realize continuous refrigeration. The vortex compressor compresses the refrigerant by utilizing the cooperation of the movable vortex disk and the fixed vortex disk, molded line scrolls on the movable vortex disk and the fixed vortex disk are meshed with each other to form a series of crescent compression cavities, the crescent compression cavities continuously move from the periphery to the center along with the eccentric rotation movement of the movable vortex disk, the volume is gradually reduced, the pressure of the refrigerant in the crescent compression cavities is gradually increased, the high-pressure refrigerant is finally obtained, and the high-pressure refrigerant is discharged through an exhaust port of the fixed vortex disk to finish the compression process.
The refrigerant discharged from the exhaust port of the fixed scroll has pressure pulsation, and the exhaust gas can directly impact the shell of the scroll compressor, so that high-frequency noise is easy to be caused, and the performance and user experience of the scroll compressor are affected.
To this end, an embodiment of the first aspect of the present utility model provides a scroll compressor capable of effectively reducing the pulsation impact of the flow of the exhaust gas and reducing the noise by providing the muffler hole on the partition plate.
As shown in fig. 1 to 5, the embodiment of the first aspect of the present utility model proposes a scroll compressor including a housing assembly 100, a motor assembly 200, and a compression assembly 300, the housing assembly 100 including an upper cover 110, a cylinder 120, and a base 130, the upper cover 110 and the base 130 being fixed at upper and lower ends of the cylinder 120 and forming a receiving chamber, the motor assembly 200 and the compression assembly 300 being disposed in the receiving chamber, the compression assembly 300 including a movable scroll 310 and a fixed scroll 320, the movable scroll 310 being connected to a rotation shaft 210 of the motor assembly 200, the motor assembly 200 being fixed on an inner wall of the cylinder 120 and the movable scroll 310 being eccentrically rotated by the rotation shaft 210 of the motor assembly 200, the movable scroll 310 and the fixed scroll 320 being mated to accomplish compression of a refrigerant. The upper end of the fixed scroll 320 is provided with an exhaust port 321 and an exhaust channel 322, the exhaust port 321 is arranged at the bottom of the exhaust channel 322, compressed refrigerant enters the exhaust channel 322 through the exhaust port 321, the fixed scroll 320 also comprises a separation plate 330, the separation plate 330 can be connected with the fixed scroll 320, the separation plate 330 can also be connected with an upper cover 110, the separation plate 330 is covered above the fixed scroll 320, the upper cover 110 is covered above the separation plate 330, the upper cover 110 is provided with an exhaust pipe for outputting high-pressure refrigerant, a plurality of small holes 331 are arranged on the separation plate 330, the small holes 331 correspond to the exhaust channel 322, and the small holes 331 are positioned above the exhaust channel 322.
When the scroll compressor is operated, the movable scroll 310 and the fixed scroll 320 of the compression assembly 300 cooperate to compress refrigerant to obtain high-pressure refrigerant, the high-pressure refrigerant is discharged from the exhaust port 321 and passes through the exhaust channel 322 and then passes through the plurality of small holes 331 formed in the partition plate 330, and the small holes 331 are used for inhibiting air flow pulsation impact caused by exhaust and reducing noise, thereby being beneficial to reducing the operation noise of the scroll compressor and improving the product performance and the user experience.
It will be appreciated that the refrigerant will be dispersed into a plurality of small air streams through the plurality of small holes 331, so that the resistance encountered by the refrigerant flowing is increased, thereby achieving the effect of reducing noise. In addition, a larger space is formed between the partition plate 330 and the upper cover 110, and small air flows enter the larger space to be rapidly diffused, so that impact on the upper cover 110 is reduced, and noise is reduced.
It can be understood that the plurality of small holes 331 may be located in the section of the exhaust channel 322, or may be located beyond the section of the exhaust channel 322, and the refrigerant passing through the exhaust channel 322 enters the plurality of small holes 331, so as to meet the requirement of exhaust, and the refrigerant enters between the partition plate 330 and the upper cover 110 and is output through the exhaust pipe provided by the upper cover 110.
It will be appreciated that in some embodiments of the first aspect of the utility model, the plurality of apertures 331 may be of the same cross-sectional area. In other embodiments, the plurality of apertures 331 may have different cross-sectional areas, such as different cross-sectional areas for each aperture 331, or portions of apertures 331 may have the same cross-sectional area, while other portions of apertures 331 may have other cross-sectional areas. The cross-sectional area of the small hole 331 may be two, three, or more. The adoption of the plurality of small holes 331 with various specifications and cross sectional areas can eliminate noise with various frequencies, is more beneficial to reducing the running noise of the scroll compressor, and can design the cross sectional areas and the number of the plurality of small holes 331 according to the exhaust detection data of the scroll compressor.
The equivalent diameter of the aperture 331 is defined as D, it will be appreciated that with reference to FIG. 3, when the aperture 331 is a circular apertureWherein d i is the diameter of the small holes 331, n i is the number of the corresponding small holes 331, i is the number of different apertures, i=1, 2, 3 … k; when the aperture 331 is a non-circular aperture, then/>Wherein A i is the cross-sectional area of the aperture 331, where i is the number of different apertures, i=1, 2, 3 … k. Referring to fig. 3, the diameter of the exhaust port 321 is defined as D 1, and the diameter of the exhaust passage 322 is D 2, which satisfies the design: /(I)/>By limiting the range of equivalent diameters of the apertures 331, not only is the noise dampening requirement satisfied, but also the exhaust requirement is satisfied, preventing the performance of the scroll compressor from being reduced.
It will be appreciated that referring to fig. 3, the axial length of the aperture 331 is defined as H, and is designed to satisfy: Since the silencing effect of the orifice 331 is affected by the equivalent diameter and the axial length, the smaller the equivalent diameter and the larger the axial length, the better the effect is, but the exhaust efficiency is affected at the same time, so that the equivalent diameter and the axial length are limited in a certain range, and by design, the following is satisfied: /(I) Not only can obtain better silencing effect, but also can meet the requirement of exhaust, and does not influence the exhaust quantity.
It will be appreciated that the number of the small holes 331 has an effect on the silencing effect, and too few small holes 331 will affect the exhaust efficiency, so the number of the small holes 331 is N, which satisfies the following conditions: 2.ltoreq.N.ltoreq.9, and D satisfies: d is more than or equal to 3.5mm. On one hand, the number of the small holes 331 is limited, and on the other hand, the minimum flow area of the small holes 331 is limited, so that a better silencing effect can be achieved, and the exhaust requirement can be met.
Referring to fig. 5, it can be understood that the distance between any two small holes 331 is M, which satisfies: m < D 2 -2D, through setting for the maximum distance between arbitrary two aperture 331, prevent that the interval is too big and influence amortization effect and exhaust efficiency, regard the diameter of exhaust passage 322 as the reference, limit the distance between arbitrary two aperture 331, in the exhaust in-process, the refrigerant of high pressure passes through exhaust passage 322, reentrant a plurality of apertures 331, in limiting certain within range to the resistance of refrigerant, satisfy the requirement of exhaust efficiency when amortizing, prevent to influence scroll compressor's performance.
It can be appreciated that the plurality of small holes 331 are arranged in various manners, wherein the plurality of small holes 331 are distributed at intervals around the circumference of the exhaust passage 322, such as in a ring shape, and the plurality of small holes 331 are arranged more closely, so that not only a better silencing effect can be obtained, but also the exhaust requirement can be satisfied, and the exhaust capacity is not affected. In addition, a plurality of small holes 331 may be circumferentially spaced around the exhaust passage 322, and each small hole 331 may be spaced apart from the axis of the exhaust passage 322 by a different distance, and the distance between two adjacent small holes 331 may be equal or different. Or the plurality of apertures 331 may be distributed in two, three, or more rows about the axis of the exhaust passage 322.
It will be appreciated that referring to fig. 4, the plurality of small holes 331 may be divided into a first small hole and a second small hole, wherein the first small hole is arranged at the center of the separation plate 330, the second small hole has a plurality, and the plurality of second small holes are spaced around the circumference of the first small hole. By controlling the distance between the first small hole and the second small hole, the plurality of small holes 331 are arranged compactly, so that a better silencing effect can be achieved, the exhaust requirement can be met, and the exhaust quantity is not influenced.
It will be appreciated that the cross-sectional shape of the aperture 331 is generally circular, is easy to machine, and has a large flow area. In addition, the small hole 331 may have a non-circular cross section, for example, the small hole 331 may have a square or kidney shape, which can meet the requirements of noise reduction and exhaust.
An embodiment of the second aspect of the present utility model proposes a refrigeration apparatus having a refrigeration system comprising the scroll compressor, the condenser, the throttling device and the evaporator of the embodiment of the first aspect connected in sequence by piping, the scroll compressor, the condenser, the throttling device and the evaporator constituting a circulation flow path of a refrigerant by piping. When the refrigeration equipment operates, the scroll compressor compresses the sucked refrigerant gas, then the refrigerant with high temperature and high pressure obtained after compression is input into the condenser, the condenser is utilized to cool the refrigerant, the refrigerant output by the condenser enters the throttling device, the throttling device plays a role in throttling and depressurization, the temperature and the pressure of the refrigerant are further reduced, the refrigerant entering the evaporator becomes low-pressure liquid with lower saturation temperature, the refrigerant evaporates in the evaporator and absorbs the heat of air, so that cold air is prepared, and the cold air is input into a use space to help cool. The refrigerant output by the evaporator returns to the scroll compressor to complete one cycle, and the scroll compressor continuously operates to provide power for the refrigerant to drive the refrigerant to circularly flow for continuous refrigeration.
The scroll compressor includes a housing assembly 100, a motor assembly 200, and a compression assembly 300, the housing assembly 100 includes an upper cover 110, a cylinder 120, and a base 130, the upper cover 110 and the base 130 are fixed at upper and lower ends of the cylinder 120 and form a receiving chamber, the motor assembly 200 and the compression assembly 300 are disposed in the receiving chamber, the compression assembly 300 includes a movable scroll 310 and a fixed scroll 320, the movable scroll 310 is connected to a rotation shaft 210 of the motor assembly 200, the motor assembly 200 is fixed on an inner wall of the cylinder 120, and the movable scroll 310 is driven to eccentrically rotate by the rotation shaft 210 of the motor assembly 200, and the movable scroll 310 and the fixed scroll 320 cooperate to accomplish compression of a refrigerant. The upper end at quiet vortex dish 320 is provided with gas vent 321 and exhaust passage 322, gas vent 321 sets up in the bottom of exhaust passage 322, compressed refrigerant gets into exhaust passage 322 through gas vent 321, quiet vortex dish 320 is connected with division board 330 to division board 330 cover establishes in quiet vortex dish 320's top, upper cover 110 covers the top of establishing at division board 330, upper cover 110 is provided with the blast pipe in order to export the refrigerant of high pressure, be provided with a plurality of apertures 331 on division board 330, a plurality of apertures 331 correspond with exhaust passage 322, a plurality of apertures 331 are located the top of exhaust passage 322.
When the scroll compressor is operated, the movable scroll 310 and the fixed scroll 320 of the compression assembly 300 cooperate to compress refrigerant to obtain high-pressure refrigerant, the high-pressure refrigerant is discharged from the exhaust port 321 and passes through the exhaust channel 322 and then passes through the plurality of small holes 331 formed in the partition plate 330, and the small holes 331 are used for inhibiting air flow pulsation impact caused by exhaust and reducing noise, thereby being beneficial to reducing the operation noise of the scroll compressor and improving the product performance and the user experience.
Referring to fig. 6 to 10, further embodiments of the first aspect of the present utility model provide a scroll compressor including a housing assembly 100, a motor assembly 200, and a compression assembly 300, the housing assembly 100 including an upper cover 110, a cylinder 120, and a base 130, the upper cover 110 and the base 130 being fixed at upper and lower ends of the cylinder 120 and forming a receiving chamber, the motor assembly 200 and the compression assembly 300 being disposed in the receiving chamber, the compression assembly 300 including a movable scroll 310 and a fixed scroll 320, the movable scroll 310 being coupled to a rotation shaft 210 of the motor assembly 200, the motor assembly 200 being fixed on an inner wall of the cylinder 120 and the movable scroll 310 being eccentrically rotated by the rotation shaft 210 of the motor assembly 200, the movable scroll 310 and the fixed scroll 320 being engaged to accomplish compression of a refrigerant. The upper end of the fixed scroll 320 is provided with an exhaust port 321 and an exhaust channel 322, the exhaust port 321 is arranged at the bottom of the exhaust channel 322, compressed refrigerant enters the exhaust channel 322 through the exhaust port 321, the fixed scroll 320 further comprises a separation plate 330, the separation plate 330 can be connected with the fixed scroll 320, the separation plate 330 can also be connected with an upper cover 110, the separation plate 330 is covered above the fixed scroll 320, the upper cover 110 is covered above the separation plate 330, the upper cover 110 is provided with an exhaust pipe for outputting high-pressure refrigerant, the fixed scroll 320 is connected with a silencer 340, a plurality of silencer holes 341 are arranged on the silencer 340, the silencer holes 341 are correspondingly communicated with the exhaust channel 322, and the separation plate 330 is provided with through holes corresponding to the silencer 340.
When the scroll compressor is operated, the movable scroll 310 and the fixed scroll 320 of the compression assembly 300 cooperate to compress refrigerant to obtain high-pressure refrigerant, the high-pressure refrigerant is discharged from the exhaust port 321 and passes through the exhaust passage 322 and then passes through the plurality of silencing holes 341 arranged on the silencing plate 340, and the silencing holes 341 are utilized to inhibit air flow pulsation impact caused by exhaust and reduce noise, thereby being beneficial to reducing the operation noise of the scroll compressor and improving the product performance and the user experience.
It will be appreciated that the refrigerant will be dispersed into a plurality of small airflows through the plurality of sound deadening holes 341, so that the resistance encountered when the refrigerant flows increases, thereby achieving the effect of reducing noise. In addition, a larger space is formed between the partition plate 330 and the upper cover 110, and small air flows enter the larger space to be rapidly diffused, so that impact on the upper cover 110 is reduced, and noise is reduced.
It can be understood that the plurality of silencing holes 341 may fall in the section of the exhaust passage 322, or may exceed the section of the exhaust passage 322, and the refrigerant passing through the exhaust passage 322 enters the plurality of silencing holes 341, so as to meet the requirement of exhaust, and the refrigerant passes through the through hole of the partition plate 330, enters the space between the partition plate 330 and the upper cover 110, and is output through the exhaust pipe of the upper cover 110.
It is understood that the fixed scroll 320 is provided with a cylindrical portion 323, the cylindrical portion 323 surrounds the exhaust port 321, and an inner cavity of the cylindrical portion 323 forms the exhaust passage 322. While muffler plate 340 is fixed to cylindrical portion 323, for example muffler plate 340 is screwed to cylindrical portion 323 to facilitate assembly and disassembly; or the silencer plate 340 is in interference connection with the cylindrical part 323, so that the structure is stable after assembly, and the silencer plate 340 is prevented from shifting; or the silencer plate 340 is connected with the cylinder 323 by a buckle, so that the disassembly and assembly are convenient. Other assembly structures are not described in detail, as long as the fixed connection of the muffler plate 340 and the cylindrical portion 323 can be achieved.
It is understood that the plurality of sound deadening holes 341 may have the same cross-sectional area, and the plurality of sound deadening holes 341 may have different cross-sectional areas, such as different cross-sectional areas of each sound deadening hole 341, or the cross-sectional areas of part of sound deadening holes 341 may be the same, and the other part of sound deadening holes 341 may have cross-sectional areas of other specifications. Wherein, the plurality of sound deadening holes 341 may be a cross-sectional area including two specifications, three specifications, or more. The adoption of the plurality of silencing holes 341 with various specifications and cross sectional areas can eliminate noise with various frequencies, is more beneficial to reducing the running noise of the scroll compressor, and can design the cross sectional areas and the number of the plurality of silencing holes 341 according to the exhaust detection data of the scroll compressor.
The equivalent diameter of the sound deadening hole 341 is defined as D, it will be understood that, referring to fig. 8, when the sound deadening hole 341 is a circular holeWherein d i is the diameter of the sound deadening holes 341, n i is the number of the corresponding sound deadening holes 341, i is the number of different apertures, i=1, 2, 3 … k; when the sound deadening hole 341 is a non-circular hole, then/>Wherein A i is the cross-sectional area of the sound deadening hole 341, where i is the number of different apertures, i=1, 2, 3 … k. Referring to fig. 3, the diameter of the exhaust port 321 is defined as D 1, and the diameter of the exhaust passage 322 is defined as D 2, satisfying the design: /(I)/>By limiting the range of equivalent diameter of the sound deadening hole 341, not only the sound deadening demand can be satisfied, but also the exhaust demand can be satisfied, preventing the performance of the scroll compressor from being reduced.
It can be understood that, referring to fig. 8, the axial length of the sound deadening hole 341 is defined as H, satisfying in design: Since the silencing effect of the silencing hole 341 is affected by the equivalent diameter and the axial length, the smaller the equivalent diameter and the larger the axial length, the better the effect, but the exhaust efficiency is affected at the same time, the proportional relationship between the equivalent diameter and the axial length is limited to a certain range, and the ratio is set by design/> Not only can obtain better silencing effect, but also can meet the requirement of exhaust, and does not influence the exhaust quantity.
It can be understood that the number of the silencing holes 341 also has an effect on the silencing effect, and too few silencing holes 341 also affect the exhaust efficiency, so the number of silencing holes 341 is N, which satisfies: 2.ltoreq.N.ltoreq.9, and D satisfies: d is more than or equal to 3.5mm. On one hand, the number of the silencing holes 341 is limited, and on the other hand, the minimum flow area of the silencing holes 341 is limited, so that a better silencing effect can be achieved, and the exhaust requirement can be met.
Referring to fig. 10, it can be understood that the distance between any two sound deadening holes 341 is M, which satisfies in design: m < D 2 -2D, through setting for the maximum distance between arbitrary two sound attenuation holes 341, prevent that the interval is too big and influence amortization effect and exhaust efficiency, regard the diameter of exhaust passageway 322 as the reference, limit the distance between arbitrary two sound attenuation holes 341 in certain scope, in the exhaust in-process, high-pressure refrigerant passes through exhaust passageway 322, reentrant a plurality of sound attenuation holes 341, the exhaust resistance of refrigerant is limited in certain scope, when amortizing, satisfy the requirement of exhaust efficiency, prevent to influence scroll compressor's performance.
It can be appreciated that the arrangement modes of the plurality of silencing holes 341 are various, so that the plurality of silencing holes 341 can be distributed at intervals around the circumferential direction of the exhaust channel 322, for example, the plurality of silencing holes 341 are distributed in a ring shape at equal intervals, the arrangement of the plurality of silencing holes 341 is compact, the better silencing effect can be achieved, the exhaust requirement can be met, and the exhaust capacity is not affected. Further, a plurality of sound deadening holes 341 may be distributed at intervals around the circumferential direction of the exhaust passage 322, each sound deadening hole 341 being different in distance from the axis of the exhaust passage 322, and the distance between adjacent two sound deadening holes 341 being equal or different. Or the plurality of sound deadening holes 341 are distributed in two, three or more rows around the axis of the exhaust passage 322, and are offset from each other.
It will be appreciated that referring to fig. 10, the plurality of sound deadening holes 341 may be divided into a first sound deadening hole 3411 and a second sound deadening hole 3412, wherein the first sound deadening hole 3411 is arranged at the center of the sound deadening plate 340, the second sound deadening hole 3412 has a plurality, and the plurality of second sound deadening holes 3412 are spaced around the circumference of the first sound deadening hole 3411. By controlling the distance between the first silencing holes 3411 and the second silencing holes 3412, the plurality of silencing holes 341 are arranged compactly, so that a better silencing effect can be achieved, the exhaust requirement can be met, and the exhaust quantity is not influenced. The diameters of the first and second sound deadening holes 3411 and 3412 may be the same or different.
It is understood that the cross-sectional shape of the sound deadening hole 341 is generally circular, is easy to process, and has a large flow area. In addition, the cross section of the sound deadening hole 341 may be non-circular, for example, the cross section of the sound deadening hole 341 is square or kidney-shaped, which can meet the requirements of sound deadening and exhaust.
An embodiment of the second aspect of the present utility model proposes a refrigeration apparatus having a refrigeration system comprising the scroll compressor, the condenser, the throttling device and the evaporator of the embodiment of the first aspect connected in sequence by piping, the scroll compressor, the condenser, the throttling device and the evaporator constituting a circulation flow path of a refrigerant by piping. The scroll compressor includes a housing assembly 100, a motor assembly 200, and a compression assembly 300, the housing assembly 100 includes an upper cover 110, a cylinder 120, and a base 130, the upper cover 110 and the base 130 are fixed at upper and lower ends of the cylinder 120 and form a receiving chamber, the motor assembly 200 and the compression assembly 300 are disposed in the receiving chamber, the compression assembly 300 includes a movable scroll 310 and a fixed scroll 320, the movable scroll 310 is connected to a rotation shaft 210 of the motor assembly 200, the motor assembly 200 is fixed on an inner wall of the cylinder 120, and the movable scroll 310 is driven to eccentrically rotate by the rotation shaft 210 of the motor assembly 200, and the movable scroll 310 and the fixed scroll 320 cooperate to accomplish compression of a refrigerant. The upper end at quiet vortex dish 320 is provided with gas vent 321 and exhaust passage 322, gas vent 321 sets up in the bottom of exhaust passage 322, compressed refrigerant gets into exhaust passage 322 through gas vent 321, quiet vortex dish 320 is connected with division board 330, and division board 330 cover establishes in the top of quiet vortex dish 320, upper cover 110 cover establishes in the top of division board 330, upper cover 110 is provided with the blast pipe in order to export the refrigerant of high pressure, quiet vortex dish 320 is connected with muffler 340, be provided with a plurality of amortization holes 341 on muffler 340, a plurality of amortization holes 341 correspond the intercommunication with exhaust passage 322, division board 330 is provided with the through-hole that corresponds muffler 340. When the scroll compressor is operated, high-pressure refrigerant is discharged from the exhaust port 321 and passes through the exhaust passage 322 and then passes through the plurality of silencing holes 341 arranged on the silencing plate 340, and the silencing holes 341 are utilized to inhibit air flow pulsation impact caused by exhaust and reduce noise, thereby being beneficial to reducing the operation noise of the scroll compressor and improving the product performance and the user experience.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A scroll compressor, comprising:
The fixed vortex disc is provided with an exhaust port and an exhaust channel at the upper end, and the exhaust port is arranged at the bottom of the exhaust channel;
The separation plate is covered above the fixed scroll, and is provided with a plurality of small holes which are positioned above the exhaust channel.
2. The scroll compressor of claim 1, wherein the plurality of apertures comprises cross-sectional areas of at least two gauges.
3. A scroll compressor as claimed in claim 1 or claim 2, wherein the aperture has an equivalent diameter D, the discharge port has a diameter D 1, and the discharge passage has a diameter D 2, satisfying: />
4. A scroll compressor as claimed in claim 3, wherein the aperture has an axial length H that satisfies:
5. A scroll compressor as claimed in claim 3, wherein the number of small holes is N, satisfying: 2.ltoreq.N.ltoreq.9, and the D satisfies: d is more than or equal to 3.5mm.
6. A scroll compressor as claimed in claim 3, wherein the distance between any two of said apertures is M, satisfying: m is less than D 2 -2D.
7. The scroll compressor of claim 1, wherein a plurality of the apertures are spaced circumferentially about the discharge passage.
8. The scroll compressor of claim 1, wherein the plurality of apertures includes a first aperture and a plurality of second apertures spaced circumferentially about the first aperture.
9. The scroll compressor of claim 1, wherein the aperture has a cross-sectional shape that is circular, square, or kidney-shaped.
10. Refrigeration device, characterized by comprising a scroll compressor according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322780224.6U CN220815974U (en) | 2023-10-16 | 2023-10-16 | Scroll compressor and refrigeration equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322780224.6U CN220815974U (en) | 2023-10-16 | 2023-10-16 | Scroll compressor and refrigeration equipment |
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| CN220815974U true CN220815974U (en) | 2024-04-19 |
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| CN202322780224.6U Active CN220815974U (en) | 2023-10-16 | 2023-10-16 | Scroll compressor and refrigeration equipment |
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| CN (1) | CN220815974U (en) |
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