CN111219332A - Compressor and refrigeration equipment - Google Patents

Compressor and refrigeration equipment Download PDF

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Publication number
CN111219332A
CN111219332A CN202010119168.XA CN202010119168A CN111219332A CN 111219332 A CN111219332 A CN 111219332A CN 202010119168 A CN202010119168 A CN 202010119168A CN 111219332 A CN111219332 A CN 111219332A
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CN
China
Prior art keywords
assembly
rotor
compressor
pump body
stator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010119168.XA
Other languages
Chinese (zh)
Inventor
张洋洋
林淑敏
王中泉
陈振华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Meizhi Precision Manufacturing Co Ltd
Original Assignee
Anhui Meizhi Precision Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Meizhi Precision Manufacturing Co Ltd filed Critical Anhui Meizhi Precision Manufacturing Co Ltd
Priority to CN202010119168.XA priority Critical patent/CN111219332A/en
Publication of CN111219332A publication Critical patent/CN111219332A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/182—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to stators axially facing the rotor, i.e. with axial or conical air gap
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/40—Electric motor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The present invention provides a compressor and a refrigerating apparatus, the compressor including: a housing; the pump body assembly is arranged in the shell; the motor assembly is arranged in the shell and is connected with the pump body assembly, and the motor assembly is configured to be suitable for driving the pump body assembly; the motor assembly includes: the stator assembly is connected with the shell; the rotor assembly is arranged in the axial direction of the stator assembly and is connected with the pump body assembly, and the rotor assembly drives the pump body assembly to move. According to the compressor provided by the invention, the rotor assembly is arranged in the axial direction of the stator assembly, specifically, the rotor assembly and the stator assembly are designed in a flat manner, so that the height of the motor assembly is lower, the flat stator assembly and the rotor assembly are like a plate, and the pump body assembly is combined to carry out an axial or radial embedding design, so that the height of the motor assembly and the height of the compressor are remarkably reduced, and the miniaturization design of the product is realized.

Description

Compressor and refrigeration equipment
Technical Field
The invention relates to the technical field of compressors, in particular to a compressor and refrigeration equipment.
Background
As shown in fig. 1, the basic structure of the prior art compressor 100 'is generally that the motor is located on top and the pump body is located on the bottom, within a closed housing 110'. The motor comprises a rotor assembly 140 ' and a stator assembly 130 ' which are sleeved in the inner and outer radial directions, the stator assembly 130 ' is fixed in the shell in a hot sleeved mode, and the rotor assembly 140 ' is connected with the crankshaft 121 ' in a hot sleeved mode to further drive the pump body to compress. The motor with the radially nested rotor assembly 140 ' and stator assembly 130 ' has a large height, and an upper counterweight balance block and a lower counterweight balance block are required, so that the compressor 100 ' has a large height and a high center of gravity, and is not beneficial to vibration.
At present, miniaturization is an important development direction of compressors and even air conditioners, and increasingly higher requirements are put on the structural compactness of the compressors. The compressor flattening design is a development direction of a future miniaturized and low-vibration compressor, and is also an important path for realizing the miniaturization of an air conditioner external unit.
Therefore, how to provide a compressor with small size, low height and low vibration is a technical problem to be solved urgently.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, a first aspect of the present invention provides a compressor.
In a second aspect, the present invention provides a refrigeration apparatus.
In view of this, according to a first aspect of the present invention, there is provided a compressor comprising: a housing; the pump body assembly is arranged in the shell; the motor assembly is arranged in the shell and is connected with the pump body assembly, and the motor assembly is configured to be suitable for driving the pump body assembly; the motor assembly includes: the stator assembly is connected with the shell; the rotor assembly is arranged in the axial direction of the stator assembly and is connected with the pump body assembly, and the rotor assembly drives the pump body assembly to move.
The compressor provided by the invention comprises a shell, a pump body assembly and a motor assembly, wherein the motor assembly comprises a stator assembly and a rotor assembly, the rotor assembly is connected with the pump body assembly, the rotor assembly can drive the pump body assembly to rotate and compress, the rotor assembly is arranged in the axial direction of the stator assembly, namely, the rotor assembly is distributed on one side or two sides of the stator assembly in the axial direction, and the stator assembly drives the rotor assembly to rotate.
In addition, the compressor in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, further, the stator assembly is in a shape of a disk, and the rotor assembly is in a shape of a disk.
In this technical scheme, stator module and rotor subassembly all are the disciform, and disciform stator module and rotor subassembly height are little, and occupation space is little in the axial direction for motor element's height and compressor's height all have very showing to reduce, realize miniaturized design. Meanwhile, the radius and the mass of the disc-shaped rotor component are larger, the rotational inertia is obviously higher than that of a motor component in which an inner rotor and an outer stator are radially sleeved in the related technology, the torque fluctuation is smaller, the stable operation of the compressor is facilitated, and particularly, the vibration and the noise are obviously improved under the low-frequency condition.
In any of the above solutions, further, the rotor assembly includes: the first rotor disc is arranged on any side of the stator assembly in the axial direction and is connected with the pump body assembly.
In this technical scheme, the rotor subassembly includes first rotor disc, and first rotor disc is connected with pump body subassembly for first rotor disc can directly drive pump body subassembly and rotate the compression, owing to only set up a first rotor disc, makes the simple structure of compressor, and manufacturing cost is lower.
In any of the above solutions, further, the rotor assembly includes: a first rotor disc provided at one side of the stator assembly in an axial direction; a second rotor disk disposed at the other side in the axial direction of the stator assembly; and the rotor support is connected with the first rotor disc and the second rotor disc, and the rotor support is connected with the pump body assembly, or the first rotor disc and the second rotor disc are respectively connected with the pump body assembly.
In this technical scheme, the rotor subassembly includes first rotor dish, second rotor dish and rotor support, wherein, first rotor dish sets up the one side on stator module's axial direction, the second rotor dish sets up the opposite side on stator module's axial direction, through set up first rotor dish and second rotor dish respectively in stator module's both sides, make motor element form the symmetrical design that has two rotor dishes, can offset the axial magnetic pull force between stator module and the rotor subassembly, reduce the axial force that the bent axle bore, this will help reducing the thrust on the bent axle end of compressor, and then reduce the spin friction loss, improve the efficiency of compressor. Furthermore, the rotor support is connected with the first rotor disc and the second rotor disc, so that the rotor support is connected with the first rotor disc and the second rotor disc into a whole, the rotor support is sleeved on the crankshaft and can drive the crankshaft to rotate, the crankshaft is driven to rotate through the rotor support, the rotor assembly is simply connected with the crankshaft, a connecting structure is not required to be arranged on the first rotor disc and the second rotor disc, and the structures of the first rotor disc and the second rotor disc are simplified; or the first rotor disc is directly connected with the pump body assembly, the second rotor disc is connected with the pump body assembly, and the pump body assembly can be driven to rotate and compress through the rotation of the first rotor disc and the second rotor disc.
In any of the above solutions, further, the first rotor disk is disposed above the stator assembly, and the second rotor disk is disposed below the stator assembly; the middle part of the second rotor disc is constructed in a structure protruding from bottom to top so as to form a first accommodation space in which a part of the pump body assembly is located in the middle part of the second rotor disc.
In the technical scheme, the first rotor disc is arranged above the stator assembly, the second rotor disc is arranged below the stator assembly, the middle part of the second rotor disc below the stator assembly is constructed into a structure protruding from bottom to top, so that a first accommodating space is formed in the middle part of the second rotor disc, and one part of the pump body assembly is arranged in the first accommodating space, so that the structure of the compressor is more compact, and the height of the compressor can be further reduced.
In any of the above solutions, further, the first rotor disk is disposed above the stator assembly, and the second rotor disk is disposed below the stator assembly; the stator assembly is provided with a through hole which penetrates through the stator assembly along the up-down direction, and one part of the pump body assembly is positioned in the through hole.
In the technical scheme, the first rotor disc is arranged above the stator assembly, the second rotor disc is arranged below the stator assembly, the stator assembly is provided with a through hole which penetrates through the stator assembly along the up-down direction, one part of the pump body assembly is positioned in the through hole, namely, the stator assembly surrounds the outer side of one part of the structure of the pump body assembly, so that the structure of the compressor is more compact, and the height of the compressor can be further reduced.
In any of the above technical solutions, further, the pump body assembly includes: the cylinder is provided with an accommodating cavity; a piston disposed in the accommodating chamber; the sliding sheet is arranged in the accommodating cavity and divides the accommodating cavity to form a compression cavity and a suction cavity; the upper bearing is arranged above the cylinder; the lower bearing is arranged below the cylinder; the crankshaft penetrates through the upper bearing, the cylinder and the lower bearing, the crankshaft is connected with the rotor assembly, and the rotor assembly drives the crankshaft to rotate and compress.
In this technical scheme, pump body subassembly still includes cylinder, piston, gleitbretter, upper bearing, lower bearing and bent axle, and wherein, be equipped with on the cylinder and hold the chamber, piston and gleitbretter setting are holding in the chamber, and the gleitbretter will hold the chamber and separate and form compression chamber and the chamber of breathing in, and upper bearing and lower bearing set up respectively in the upper and lower both sides of cylinder, and the bent axle runs through upper bearing, cylinder and lower bearing, thereby the rotor subassembly is connected with the bent axle and drives the bent axle and rotate and realize rotary compression.
In any of the above technical solutions, further, the crankshaft includes: a long shaft portion; one end of the eccentric part is connected with the long shaft part, and the eccentric part is configured to drive the piston to rotate; and a short shaft part connected with the other end of the eccentric part.
In the technical scheme, the crankshaft comprises a long shaft part, a short shaft part and an eccentric part, wherein the eccentric part of the crankshaft is positioned in an accommodating cavity of the cylinder and drives the piston to move, so that air suction and compression movement are realized; specifically, one end of the eccentric portion is connected to the long axis portion, and the other end of the eccentric portion is connected to the short axis portion.
In any of the above technical solutions, further, the first rotor disc is disposed on one side of the stator assembly in the axial direction; a second rotor disk disposed at the other side in the axial direction of the stator assembly; the first rotor disc is connected with the long shaft part, the second rotor disc is connected with the short shaft part, a second accommodating space is formed by the first rotor disc, the stator assembly and the second rotor disc in an enclosing mode, and at least part of the pump body assembly is located in the second accommodating space.
In the technical scheme, the rotor assembly comprises a first rotor disc and a second rotor disc, wherein the first rotor disc is arranged on one side of the stator assembly in the axial direction, the second rotor disc is arranged on the other side of the stator assembly in the axial direction, the first rotor disc and the second rotor disc are respectively arranged on two sides of the stator assembly, so that the motor assembly is in a symmetrical design with the two rotor discs, axial magnetic pull force between the stator assembly and the rotor assembly can be offset, axial force borne by a crankshaft is reduced, the thrust force on the tail end of the crankshaft of the compressor can be reduced, further, the rotary friction loss is reduced, and the efficiency of the compressor is improved. Furthermore, a first rotor disc is connected with a long shaft of the crankshaft, a second rotor disc is connected with a short shaft of the crankshaft, the first rotor disc, the stator assembly and the second rotor disc are arranged in a surrounding mode to form a second accommodating space, at least part of the pump body assembly is located in the second accommodating space, on one hand, the crankshaft can be driven to rotate and compress through rotation of the first rotor disc and the second rotor disc, on the other hand, the cylinder of the pump body assembly and the eccentric portion of the crankshaft can be arranged in the first rotor disc, the stator and the second rotor disc in a surrounding mode, the structure of the compressor is made to be more compact, and the height of the compressor can be further reduced.
In any of the above solutions, further, the rotor assembly includes a plurality of rotor disks, the stator assembly includes a plurality of stator disks, and the plurality of stator disks and the plurality of rotor disks are spaced apart in the axial direction.
In this technical scheme, include a plurality of rotor discs through setting up the rotor subassembly, stator module includes a plurality of stator discs for a plurality of rotor discs of stator disc drive rotate, thereby a plurality of rotor discs drive pump body subassembly and rotate, can increase the drive power to pump body subassembly, promote the compression performance of compressor.
In any of the above technical solutions, further, the compressor is a rotary compressor.
In the technical scheme, the compressor is specifically a rotary compressor which is widely applied to refrigeration equipment such as air conditioners, refrigerators and the like, and has the advantages of stable compression work, high compression efficiency, few parts, small volume, light weight, good balance performance, low noise and the like. The compressor provided by the invention can further reduce the volume of the rotary compressor, and is beneficial to the miniaturization of products.
The second aspect of the present invention provides a refrigeration apparatus, including the compressor in any one of the above technical solutions, so that the refrigeration apparatus provided by the present invention has all the advantages of the compressor provided in any one of the above technical solutions.
The refrigeration equipment applying the compressor of the invention can change the installation mode of the compressor in the refrigeration equipment along with the change of the overall dimension of the compressor, for example, when the compressor is applied to an air conditioner outdoor unit, the compressor and a fan can be installed side by side, the placing space of the compressor is reduced, the air inlet channel of an air conditioner radiator is improved, the size of a shell of the air conditioner outdoor unit is reduced to a greater extent, and the miniaturization of a product is realized.
It can be understood that the compressor defined by said invention has better vibration noise and efficiency, and is a development direction for miniaturization of rotary compressor in future. Meanwhile, when the compressor defined by the invention is applied to the air conditioner outdoor unit, the installation space requirement of the compressor in the air conditioner outdoor unit is reduced, the air inlet channel of the air conditioner radiator is improved, and the miniaturization of the air conditioner outdoor unit is facilitated.
Specifically, the refrigeration equipment provided by the invention is an air conditioner or a heat pump system and the like.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view showing a structure of a compressor in the related art;
fig. 2 shows a schematic configuration of a compressor according to an embodiment of the present invention;
fig. 3 is a schematic view showing a structure of a compressor according to another embodiment of the present invention;
fig. 4 is a schematic structural view illustrating a compressor according to still another embodiment of the present invention;
fig. 5 shows a schematic configuration of a compressor according to still another embodiment of the present invention.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
100 ' compressor, 110 ' housing, 121 ' crankshaft, 130 ' stator assembly, 140 ' rotor assembly.
Wherein, the correspondence between the reference numbers and the part names in fig. 2 to 5 is:
100 compressor, 110 shell, 120 pump body assembly, 121 crankshaft, 122 upper bearing, 123 lower bearing, 124 cylinder, 125 piston, 126 long shaft part, 127 eccentric part, 128 short shaft part, 130 stator assembly, 140 rotor assembly, 141 first rotor disk, 142 second rotor disk, 150 first containing space, 160 second containing space.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A compressor and a refrigeration apparatus provided according to some embodiments of the present invention will be described below with reference to fig. 2 to 5.
Example one
As shown in fig. 2 to 5, according to a first aspect of the present invention, there is provided a compressor 100, the compressor 100 including a housing 110, a pump body assembly 120, and a motor assembly, wherein the motor assembly includes a stator assembly 130 and a rotor assembly 140.
The present invention provides a compressor 100 comprising a housing 110, a pump body assembly 120 and a motor assembly, wherein, the motor assembly includes a stator assembly 130 and a rotor assembly 140, the rotor assembly 140 is connected with the pump body assembly 120, the rotor assembly 140 can drive the pump body assembly 120 to rotate and compress, the rotor assembly 140 is disposed in the axial direction of the stator assembly 130, i.e., the rotor assembly 140 is distributed on one side or two sides of the axial direction of the stator assembly 130, the stator assembly 130 drives the rotor assembly 140 to rotate, specifically, the rotor assembly 140 and the stator assembly 130 are designed to be flat, so that the height of the motor assembly itself is low, the flattened stator assembly 130 and rotor assembly 140 are designed to be axially or radially embedded with the pump body assembly 120 like a plate, the height of the motor assembly and the height of the compressor 100 are significantly reduced, and a miniaturized design of the product is realized.
Further, as shown in fig. 2 to 5, the stator assembly 130 has a disk shape, and the rotor assembly 140 has a disk shape. By arranging the stator assembly 130 and the rotor assembly 140 to be both in a disc shape, the disc-shaped stator assembly 130 and the disc-shaped rotor assembly 140 are small in height and small in occupied space in the axial direction, so that the height of the motor assembly and the height of the compressor 100 are remarkably reduced, and the miniaturization design is realized. Meanwhile, the radius and mass of the disc-shaped rotor assembly 140 are large, the rotational inertia is also obviously higher than that of a motor assembly in which an inner rotor and an outer stator are radially sleeved in the related art, the torque fluctuation is smaller, the stable operation of the compressor 100 is facilitated, and particularly, the vibration and the noise are obviously improved under the low-frequency condition.
Example two
On the basis of the first embodiment, as shown in fig. 2, the rotor assembly 140 includes: and a first rotor disc 141 provided at either side in the axial direction of the stator assembly 130, the first rotor disc 141 being connected with the pump body assembly 120.
In this embodiment, the rotor assembly 140 includes the first rotor disc 141, and the first rotor disc 141 is connected to the pump body assembly 120, so that the first rotor disc 141 can directly drive the pump body assembly 120 to rotate and compress, and since only one first rotor disc 141 is provided, the compressor 100 has a simple structure and is low in production cost.
EXAMPLE III
On the basis of the first embodiment, as shown in fig. 3 to 5, the rotor assembly 140 includes: a first rotor disc 141 provided at one side in an axial direction of the stator assembly 130; a second rotor disk 142 disposed at the other side in the axial direction of the stator assembly 130; and a rotor support connecting the first rotor disk 141 and the second rotor disk 142, the rotor support being connected with the pump body assembly 120, or the first rotor disk 141 and the second rotor disk 142 being respectively connected with the pump body assembly 120.
In this embodiment, the rotor assembly 140 includes a first rotor disc 141, a second rotor disc 142 and a rotor support, wherein the first rotor disc 141 is disposed on one side of the stator assembly 130 in the axial direction, the second rotor disc 142 is disposed on the other side of the stator assembly 130 in the axial direction, and the first rotor disc 141 and the second rotor disc 142 are disposed on two sides of the stator assembly 130, respectively, so that the motor assembly forms a symmetrical design with two rotor discs, which can counteract the axial magnetic pull between the stator assembly 130 and the rotor assembly 140, reduce the axial force borne by the crankshaft 121, and this will help to reduce the thrust on the end of the crankshaft 121 of the compressor 100, thereby reducing the rotational friction loss and improving the efficiency of the compressor 100. Further, the rotor support is connected with the first rotor disc 141 and the second rotor disc 142, so that the rotor support is connected with the first rotor disc 141 and the second rotor disc 142 into a whole, the rotor support is sleeved on the crankshaft 121 and can drive the crankshaft 121 to rotate, and the crankshaft 121 is driven to rotate by the rotor support, so that the connection between the rotor assembly 140 and the crankshaft 121 is simple, a connecting structure is not required to be arranged on the first rotor disc 141 and the second rotor disc 142, and the structures of the first rotor disc 141 and the second rotor disc 142 are simplified; alternatively, the first rotor disk 141 and the pump body assembly 120 are directly connected, and the second rotor disk 142 and the pump body assembly 120 are connected, so that the pump body assembly 120 can be driven to rotate and compress by the rotation of the first rotor disk 141 and the second rotor disk 142.
Example four
On the basis of the third embodiment, further, as shown in fig. 4, the first rotor disc 141 is disposed above the stator assembly 130, and the second rotor disc 142 is disposed below the stator assembly 130; the middle portion of the second rotor disk 142 is configured to protrude from the bottom to the top to form a first accommodation space 150 in the middle portion of the second rotor disk 142, and a portion of the pump body assembly 120 is located in the first accommodation space 150.
In this embodiment, the first rotor disk 141 is disposed above the stator assembly 130, the second rotor disk 142 is disposed below the stator assembly 130, a middle portion of the second rotor disk 142 below the stator assembly 130 is configured to be protruded from the bottom to the top, so that a first receiving space 150 is formed in the middle portion of the second rotor disk 142, and a portion of the pump body assembly 120 is located in the first receiving space 150, so that the structure of the compressor 100 is more compact, and the height of the compressor 100 can be further reduced.
EXAMPLE five
On the basis of the third embodiment, further, as shown in fig. 5, the first rotor disc 141 is disposed above the stator assembly 130, and the second rotor disc 142 is disposed below the stator assembly 130; the stator assembly 130 is provided with a through hole penetrating the stator assembly 130 in an up-down direction, and a part of the pump body assembly 120 is located in the through hole.
In this embodiment, the first rotor disc 141 is disposed above the stator assembly 130, the second rotor disc 142 is disposed below the stator assembly 130, a through hole penetrating through the stator assembly 130 in the up-down direction is disposed on the stator assembly 130, and a portion of the pump body assembly 120 is located in the through hole, that is, the stator assembly 130 is enclosed outside a portion of the pump body assembly 120, so that the structure of the compressor 100 is more compact, and the height of the compressor 100 can be further reduced.
EXAMPLE six
In any of the above embodiments, as shown in fig. 2 to 5, the pump body assembly 120 further includes a cylinder 124, a piston 125, a sliding piece, an upper bearing 122, a lower bearing 123 and a crankshaft 121, wherein the cylinder 124 is provided with an accommodating cavity, the piston 125 and the sliding piece are disposed in the accommodating cavity, the sliding piece partitions the accommodating cavity into a compression cavity and a suction cavity, the upper bearing 122 and the lower bearing 123 are respectively disposed on the upper side and the lower side of the cylinder 124, the crankshaft 121 penetrates through the upper bearing 122, the cylinder 124 and the lower bearing 123, and the rotor assembly 140 is connected to the crankshaft 121 and drives the crankshaft 121 to rotate so as to achieve rotational compression.
Further, as shown in fig. 2 to 5, the crankshaft 121 includes a long shaft portion 126, a short shaft portion 128 and an eccentric portion 127, the eccentric portion 127 of the crankshaft 121 is located in the accommodating cavity of the cylinder 124, and drives the piston 125 to move, thereby implementing the suction and compression movements; specifically, one end of the eccentric portion 127 is connected to the long shaft portion 126, and the other end of the eccentric portion 127 is connected to the short shaft portion 128.
Further, as shown in fig. 3 to 5, the rotor assembly 140 includes a first rotor disc 141 and a second rotor disc 142, wherein the first rotor disc 141 is disposed on one side of the stator assembly 130 in the axial direction, and the second rotor disc 142 is disposed on the other side of the stator assembly 130 in the axial direction, and by disposing the first rotor disc 141 and the second rotor disc 142 on two sides of the stator assembly 130, the motor assembly is formed into a symmetrical design with two rotor discs, so that the axial magnetic pulling force between the stator assembly 130 and the rotor assembly 140 can be offset, the axial force borne by the crankshaft 121 can be reduced, which can help to reduce the thrust force on the end of the crankshaft 121 of the compressor 100, further reduce the rotational friction loss, and improve the efficiency of the compressor 100. Further, as shown in fig. 5, a first rotor disk 141 is provided to be connected with the long shaft portion 126 of the crankshaft 121, and a second rotor disk 142 is provided to be connected with the short shaft portion 128 of the crankshaft 121, the first rotor disk 141, the stator assembly 130 and the second rotor disk 142 are enclosed to form a second accommodating space 160, at least a portion of the pump body assembly 120 is located in the second accommodating space 160, on one hand, the crankshaft 121 can be driven to rotate and compress by the rotation of the first rotor disk 141 and the second rotor disk 142, and on the other hand, the cylinder 124 of the pump body assembly 120 and the eccentric portion 127 of the crankshaft 121 can be enclosed by the first rotor disk 141, the stator and the second rotor disk 142, so that the structure of the compressor 100 is more compact, and the height of the compressor 100 can be further reduced.
EXAMPLE seven
On the basis of the first embodiment, further, the rotor assembly 140 includes a plurality of rotor disks, and the stator assembly 130 includes a plurality of stator disks, and the plurality of stator disks and the plurality of rotor disks are spaced apart in the axial direction.
In this embodiment, the rotor assembly 140 includes a plurality of rotor disks, and the stator assembly 130 includes a plurality of stator disks, so that the plurality of stator disks drive the plurality of rotor disks to rotate, and thus the plurality of rotor disks drive the pump body assembly 120 to rotate, which can increase the driving force to the pump body assembly 120 and improve the compression performance of the compressor 100.
In any of the above embodiments, further, the compressor 100 is a rotary compressor.
In this embodiment, the compressor 100 is specifically a rotary compressor, which is widely applied to refrigeration equipment such as air conditioners and refrigerators, and has the advantages of stable compression operation, high compression efficiency, few parts, small volume, light weight, good balance performance, low noise, and the like. The compressor 100 provided by the invention can further reduce the volume of the rotary compressor, and is beneficial to the miniaturization of products.
The second aspect of the present invention provides a refrigeration apparatus including the compressor 100 in any of the above embodiments, so that the present invention provides a refrigeration apparatus having all the advantages of the compressor 100 provided in any of the above embodiments.
Further, the refrigeration equipment further comprises an evaporator, a condenser and a throttling mechanism, and the refrigeration equipment applying the compressor 100 of the invention can change the installation mode of the compressor 100 in the refrigeration equipment along with the change of the external dimension of the compressor 100, for example, when the compressor 100 is applied to an outdoor unit of an air conditioner, the compressor 100 and a fan can be installed side by side, the installation space of the compressor 100 is reduced, the air inlet channel of an air conditioner radiator is improved, the size of the shell 110 of the outdoor unit of the air conditioner is reduced to a greater extent, and therefore, the miniaturization of products is realized.
It is understood that the compressor 100 defined by the present invention has better vibration noise and efficiency, and is a development direction for the miniaturization of the rotary compressor in the future. Meanwhile, when the compressor 100 defined by the present invention is applied to an outdoor unit of an air conditioner, the installation space requirement of the compressor 100 in the outdoor unit of the air conditioner is reduced, and not only is the air intake passage of the radiator of the air conditioner improved, but also the miniaturization of the outdoor unit of the air conditioner is facilitated.
Specifically, the refrigeration equipment provided by the invention is an air conditioner or a heat pump system and the like.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 2, fig. 2 shows a first embodiment of the compressor 100 proposed by the present invention, which includes a disc-type motor assembly and a pump body member. The disc-type motor assembly includes a stator assembly 130 and a rotor assembly 140. The stator assembly 130 is fixed in the shell 110, and the stator assembly 130 is composed of winding coils; the rotor assembly 140 includes a first rotor disc 141, and the first rotor disc 141 is connected to the crankshaft 121 to rotate the piston 125 of the pump body assembly 120 to compress the gas.
Specifically, the rotor assembly 140 of the disk type motor assembly is formed of one first rotor disk 141, and the first rotor disk 141 may be disposed at either side of the stator assembly 130 in the axial direction.
As shown in fig. 3, fig. 3 shows a second embodiment of the compressor 100 according to the present invention, wherein the rotor assembly 140 of the disc-type motor assembly comprises a first rotor disc 141 and a second rotor disc 142, which can be connected together by a rotor bracket and connected with the crankshaft 121, and the disc-type motor assembly is located completely above the pump body assembly 120. The symmetrical design of the first rotor disc 141 and the second rotor disc 142 can counteract the axial magnetic pull between the stator assembly 130 and the rotor assembly 140, and reduce the axial force borne by the crankshaft 121. This will help to reduce the thrust on the end of the crankshaft 121 of the pump block assembly 120 of the compressor 100, thereby reducing the spin-on friction losses there and increasing the efficiency of the compressor 100.
Specifically, the lower end face of the rotor assembly 140 is higher than the upper bearing 122 of the pump block assembly 120, and the motor assembly is located completely above the pump block assembly 120.
As shown in fig. 4, fig. 4 shows a third compressor 100 of the compressor 100 according to the present invention, which is different from the second embodiment shown in fig. 3 in that a stepped structure is provided on the second rotor disc 142 of the disc-type motor assembly, the stepped structure forms the first receiving space 150, and a portion of the pump body assembly 120 extends into the second rotor disc 142, so that the structure is more compact, and the height of the compressor 100 can be further reduced.
Specifically, the lower end face of the rotor assembly 140 is not higher than the upper bearing 122 of the pump block assembly 120, and the motor assembly semi-surrounds the pump block assembly 120.
As shown in fig. 5, fig. 5 shows a fourth compressor 100 of the compressor 100 according to the present invention, wherein, unlike the second embodiment shown in fig. 3, a first rotor disc 141 of a disc-type motor assembly is connected to an upper end of a crankshaft 121 of a pump body assembly 120, a second rotor disc 142 is connected to a lower end of the crankshaft 121 of the pump body, a stator assembly 130 is located at an outer periphery of the pump body assembly 120, and the disc-type motor completely surrounds the pump body assembly 120; this design minimizes the height of the compressor 100, making the compressor 100 extremely flat, like a plate.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A compressor, comprising:
a housing;
a pump body assembly disposed within the housing;
a motor assembly disposed within the housing, the motor assembly being coupled to the pump body assembly, the motor assembly being configured to drive the pump body assembly; the motor assembly includes:
the stator assembly is connected with the shell;
the rotor assembly is arranged in the axial direction of the stator assembly and is connected with the pump body assembly, and the rotor assembly drives the pump body assembly to move.
2. The compressor of claim 1,
the stator assembly is disc-shaped, and the rotor assembly is disc-shaped.
3. The compressor of claim 1, wherein the rotor assembly comprises:
and the first rotor disc is arranged on any side of the stator assembly in the axial direction and is connected with the pump body assembly.
4. The compressor of claim 1, wherein the rotor assembly comprises:
a first rotor disc provided at one side of the stator assembly in an axial direction;
a second rotor disk disposed at the other side in the axial direction of the stator assembly;
and the rotor support is connected with the first rotor disc and the second rotor disc, and the rotor support is connected with the pump body assembly, or the first rotor disc and the second rotor disc are respectively connected with the pump body assembly.
5. The compressor of claim 4,
the first rotor disk is disposed above the stator assembly and the second rotor disk is disposed below the stator assembly;
the middle part of the second rotor disc is configured to be protruded from bottom to top so as to form a first accommodation space in which a part of the pump body assembly is located in the middle part of the second rotor disc.
6. The compressor of claim 4,
the first rotor disk is disposed above the stator assembly and the second rotor disk is disposed below the stator assembly;
the pump body assembly is characterized in that the stator assembly is provided with a through hole which penetrates through the stator assembly along the up-down direction, and one part of the pump body assembly is positioned in the through hole.
7. The compressor of any one of claims 1 to 6, wherein the pump body assembly comprises:
the cylinder is provided with an accommodating cavity;
a piston disposed in the receiving chamber;
the sliding piece is arranged in the accommodating cavity and divides the accommodating cavity to form a compression cavity and a suction cavity;
the upper bearing is arranged above the cylinder;
a lower bearing disposed below the cylinder;
the crankshaft penetrates through the upper bearing, the cylinder and the lower bearing, the crankshaft is connected with the rotor assembly, and the rotor assembly drives the crankshaft to rotate and compress.
8. The compressor of claim 7, wherein the crankshaft comprises:
a long shaft portion;
an eccentric portion, one end of the eccentric portion being connected to the long shaft portion, the eccentric portion being configured to drive the piston to rotate;
and a short shaft part connected with the other end of the eccentric part.
9. The compressor of claim 8, wherein the rotor assembly comprises:
a first rotor disc provided at one side of the stator assembly in an axial direction;
a second rotor disk disposed at the other side in the axial direction of the stator assembly;
the first rotor disc is connected with the long shaft part, the second rotor disc is connected with the short shaft part, a second accommodating space is formed by the first rotor disc, the stator assembly and the second rotor disc in an enclosing mode, and at least part of the pump body assembly is located in the second accommodating space.
10. The compressor of any one of claims 1 to 6,
the rotor assembly includes a plurality of rotor disks, the stator assembly includes a plurality of stator disks, and the plurality of stator disks and the plurality of rotor disks are spaced apart in an axial direction.
11. The compressor of any one of claims 1 to 6,
the compressor is a rotary compressor.
12. A refrigeration apparatus, comprising:
a compressor as claimed in any one of claims 1 to 11.
CN202010119168.XA 2020-02-26 2020-02-26 Compressor and refrigeration equipment Pending CN111219332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010119168.XA CN111219332A (en) 2020-02-26 2020-02-26 Compressor and refrigeration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010119168.XA CN111219332A (en) 2020-02-26 2020-02-26 Compressor and refrigeration equipment

Publications (1)

Publication Number Publication Date
CN111219332A true CN111219332A (en) 2020-06-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010119168.XA Pending CN111219332A (en) 2020-02-26 2020-02-26 Compressor and refrigeration equipment

Country Status (1)

Country Link
CN (1) CN111219332A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102480197A (en) * 2010-11-26 2012-05-30 日立空调·家用电器株式会社 Self-starting type axial gap synchronous motor, compressor and refrigeration cycle apparatus using the same
CN104832431A (en) * 2015-04-14 2015-08-12 广东美芝制冷设备有限公司 Rotary compressor and refrigeration equipment containing rotary compressor
CN209354353U (en) * 2018-09-29 2019-09-06 安徽美芝精密制造有限公司 Rotary compressor and air conditioner with it

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102480197A (en) * 2010-11-26 2012-05-30 日立空调·家用电器株式会社 Self-starting type axial gap synchronous motor, compressor and refrigeration cycle apparatus using the same
CN104832431A (en) * 2015-04-14 2015-08-12 广东美芝制冷设备有限公司 Rotary compressor and refrigeration equipment containing rotary compressor
CN209354353U (en) * 2018-09-29 2019-09-06 安徽美芝精密制造有限公司 Rotary compressor and air conditioner with it

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Application publication date: 20200602