CN114876803A - Compressor and temperature adjusting device with same - Google Patents

Compressor and temperature adjusting device with same Download PDF

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Publication number
CN114876803A
CN114876803A CN202210641689.0A CN202210641689A CN114876803A CN 114876803 A CN114876803 A CN 114876803A CN 202210641689 A CN202210641689 A CN 202210641689A CN 114876803 A CN114876803 A CN 114876803A
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CN
China
Prior art keywords
liquid
gas
compressor
assembly
duct
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
CN202210641689.0A
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Chinese (zh)
Inventor
朱晓涵
陈锐
周杏标
黄庆洋
闫卓
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.)
Guangdong Meizhi Compressor Co Ltd
Original Assignee
Guangdong Meizhi Compressor 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 Guangdong Meizhi Compressor Co Ltd filed Critical Guangdong Meizhi Compressor Co Ltd
Priority to CN202210641689.0A priority Critical patent/CN114876803A/en
Publication of CN114876803A publication Critical patent/CN114876803A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
    • 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
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/10—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a compressor and a temperature adjusting device with the same. The compressor comprises a shell assembly, a pump body assembly, a liquid storage assembly and a gas-liquid separation assembly, wherein the shell assembly defines a mounting cavity, the pump body assembly is arranged in the mounting cavity, the liquid storage assembly is arranged in the mounting cavity and located below the pump body assembly, at least one part of the gas-liquid separation assembly is arranged on the outer side of the shell assembly, and the gas-liquid separation assembly is constructed to perform gas-liquid separation on a refrigerant discharged into the gas-liquid separation assembly. According to the compressor provided by the embodiment of the invention, the liquid storage assembly is arranged in the mounting cavity, and at least one part of the gas-liquid separation assembly is arranged on the outer side of the shell assembly, so that the radial vibration of the compressor can be effectively reduced, and the operation stability and the energy efficiency of the compressor are improved.

Description

Compressor and temperature adjusting device with same
Technical Field
The invention relates to the field of temperature adjusting equipment, in particular to a compressor and temperature adjusting equipment with the same.
Background
In the correlation technique, the liquid storage pot that the compressor has stock solution and gas-liquid separation function encircles the setting outside compressor housing usually to be connected with compressor housing, the setting of liquid storage pot makes the compressor have great radial occupation space, and simultaneously, the liquid storage pot is external in compressor housing through the mode of cantilever, can lead to the compressor to vibrate in the direction of gyration and worsen, influences the operating stability of compressor.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention provides a compressor which can improve the operation stability of the compressor.
The invention also provides temperature adjusting equipment with the compressor.
A compressor according to an embodiment of the present invention includes: a housing assembly defining a mounting cavity; the pump body assembly is arranged in the mounting cavity and comprises an air cylinder and an air inlet channel communicated with a compression cavity of the air cylinder; the liquid storage component is provided with a liquid storage cavity, and the liquid storage component is arranged in the mounting cavity and is positioned below the pump body component; the gas-liquid separation assembly is provided with a gas output end used for discharging gas and a liquid output end used for discharging liquid, the gas output end is communicated with the gas inlet channel, and the liquid output end is communicated with the liquid storage cavity.
According to the compressor provided by the embodiment of the invention, the liquid storage assembly is arranged in the mounting cavity, and at least one part of the gas-liquid separation assembly is arranged on the outer side of the shell assembly, so that the radial vibration of the compressor can be effectively reduced, and the operation stability and the energy efficiency of the compressor are improved.
According to some embodiments of the invention, the top of the reservoir cavity is open, and the lower end of the pump body assembly is connected with the upper end of the reservoir assembly in a sealing manner so as to cover the top of the reservoir cavity.
According to some embodiments of the present invention, the gas-liquid separation assembly includes a main duct, a gas duct, and a liquid duct, the gas duct is disposed above the liquid duct, one end of the gas duct is communicated with the main duct, the other end of the gas duct is the gas output end, one end of the liquid duct is communicated with the main duct, and the other end of the liquid duct is the liquid output end.
Further, the one end of the gas conduit is provided with a liquid dividing member for guiding liquid to the liquid conduit.
Further, the minimum inner diameter of the gas conduit is equal to or greater than the minimum inner diameter of the gas inlet passage.
Further, the central axis of the main conduit is parallel to the central axis of the shell component, and the distance C between the central axis of the main conduit and the central axis of the shell component satisfies the following relation: c is less than or equal to 150 mm.
Further, the pump body assembly further comprises a crankshaft and a piston, the piston is eccentrically and rotatably arranged in the compression cavity, the crankshaft is used for driving the piston to eccentrically rotate, and the maximum inner diameter A of the main conduit meets the following relational expression: when 2cm 3 <e(D-e)H≤15cm 3 When the thickness is more than 2mm, A is less than or equal to 70 mm; when the length is 15cm 3 <e(D-e)H≤30cm 3 When the thickness is more than 20mm, A is less than or equal to 90 mm; when the distance is 30cm 3 <e(D-e)H≤65cm 3 When the thickness is more than 30mm, A is less than or equal to 110 mm; wherein D is the cylinder diameter of the cylinder, e is the eccentricity of the crankshaft, and H is the height of the cylinder.
Further, the effective volume V of the liquid storage cavity satisfies the following relational expression: when 2cm 3 <e(D-e)H≤15cm 3 When the volume is more than 4ml and less than or equal to 500 mm; when the length is 15cm 3 <e(D-e)H≤30cm 3 When the volume is more than 40ml and less than or equal to 1000 mm; when the distance is 30cm 3 <e(D-e)H≤65cm 3 When the volume is more than 200ml and less than or equal to 1500 mm.
According to some embodiments of the invention, the pump body assembly is provided with a fluid channel opening towards the reservoir, and the liquid output end is communicated with the fluid channel to deliver liquid to the fluid channel.
According to some embodiments of the present invention, the compressor further includes a thermal insulation member disposed in the liquid storage cavity, the thermal insulation member defining a liquid storage space therein for containing liquid, and the liquid output end being in communication with the liquid storage space.
According to some embodiments of the invention, a first insulating space is provided between the heat shield and the inner wall of the reservoir chamber.
According to some embodiments of the invention, a second insulating space is provided in an inner wall of the reservoir assembly, the second insulating space being located outside the reservoir chamber.
According to some embodiments of the invention, the compressor further comprises: the motor, pump body subassembly is still including being located the auxiliary bearing of cylinder downside, the motor is located the installation cavity and with the cooperation of pump body subassembly, the stator volume of motor is thick for Hd, the internal diameter of casing is Dk, the height of auxiliary bearing is Hf, satisfies following relational expression: Hf/Dk is more than 0.12 and less than 0.95, Hf is more than 0.28 and not more than Hd.
According to some embodiments of the present invention, an oil storage space is disposed between the liquid storage assembly and the inner wall of the mounting cavity, the pump body assembly further includes a crankshaft and an auxiliary bearing disposed on a lower side of the cylinder, the auxiliary bearing is provided with a mounting blind hole facing the opening of the cylinder and a first oil return channel communicated with the mounting blind hole, the first oil return channel is communicated with the oil storage space, and a lower end of the crankshaft rotatably extends into the mounting blind hole.
According to some embodiments of the present invention, the compressor further comprises a second oil return passage, an upper end of the second oil return passage communicates with the air intake passage and a lower end of the second oil return passage communicates with a lower space of the liquid storage chamber.
Further, pump body subassembly is still including being located the auxiliary bearing of cylinder downside, second oil return passageway includes back oil pipe and establishes first intercommunication passageway in the auxiliary bearing, first intercommunication passageway through establishing second intercommunication passageway on the cylinder with the inlet channel intercommunication, the upper end of returning oil pipe inserts in the first intercommunication passageway, the lower extreme of returning oil pipe extends to the lower part in stock solution chamber.
According to another aspect of the present invention, a temperature adjusting apparatus includes the compressor described above.
According to the temperature regulating equipment provided by the embodiment of the invention, the liquid storage component of the compressor is arranged in the mounting cavity, and at least one part of the gas-liquid separation component is arranged on the outer side of the shell component, so that the radial vibration of the compressor can be effectively reduced, the running stability and the energy efficiency of the compressor are improved, the radial occupied space of the compressor is favorably reduced, and the miniaturization of the temperature regulating equipment is favorably realized.
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
FIG. 1 is a first schematic structural diagram of a compressor according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram II of a compressor according to an embodiment of the present invention;
FIG. 3 is a first schematic view of the mating of a secondary bearing and a reservoir assembly according to an embodiment of the invention;
FIG. 4 is a second schematic view of the mating of the secondary bearing and the reservoir assembly according to an embodiment of the invention;
FIG. 5 is a third schematic view of the mating of a secondary bearing and a reservoir assembly according to an embodiment of the invention;
FIG. 6 is a fourth schematic view of the mating of the secondary bearing and the reservoir assembly according to an embodiment of the invention;
FIG. 7 is a fifth mating schematic view of a secondary bearing and reservoir assembly according to an embodiment of the invention;
FIG. 8 is a first schematic view of the mating of the secondary bearing, seal and reservoir assembly according to an embodiment of the invention;
FIG. 9 is a second schematic view of the mating of the secondary bearing, seal and reservoir assembly according to an embodiment of the invention;
FIG. 10 is a first schematic structural view of a gas-liquid separation module according to an embodiment of the present invention;
FIG. 11 is a second schematic structural view of a gas-liquid separation module according to an embodiment of the present invention;
FIG. 12 is a third schematic structural view of a gas-liquid separation module according to an embodiment of the present invention;
FIG. 13 is a fourth schematic structural view of a gas-liquid separation module according to an embodiment of the present invention;
FIG. 14 is a schematic structural view of a gas-liquid separation module according to an embodiment of the present invention;
FIG. 15 is a first schematic view of the assembly of the gas-liquid separation assembly, the pump body assembly and the reservoir assembly according to the embodiment of the invention;
FIG. 16 is a second schematic view of the assembly of the gas-liquid separation assembly, the pump body assembly and the reservoir assembly according to the embodiment of the invention;
FIG. 17 is a first schematic structural view of a secondary bearing and a reservoir assembly according to an embodiment of the invention;
FIG. 18 is a second schematic structural view of a secondary bearing and reservoir assembly according to an embodiment of the invention;
FIG. 19 is a first schematic view of a secondary bearing according to an embodiment of the invention;
FIG. 20 is a cross-sectional view of FIG. 19;
FIG. 21 is a second schematic view of a secondary bearing according to an embodiment of the invention;
fig. 22 is a cross-sectional view of fig. 21.
Reference numerals:
the shell assembly 1, the mounting cavity 11, the oil storage space 111, the pump body assembly 2, the cylinder 21, the compression cavity 211, the air inlet channel 212, the auxiliary bearing 22, the fluid channel 221, the mounting blind hole 222, the first oil return channel 223, the mounting through hole 224, the ventilation channel 225, the mounting hole 226, the crankshaft 23, the oil guide channel 231, the radial oil hole 232, the upper oil blade 233, the upper bearing 24, the piston 25, the liquid storage assembly 3 and the liquid storage cavity 31, the heat insulation member 32, the first heat insulation space 33, the second heat insulation space 34, the gas-liquid separation assembly 4, the main duct 41, the refrigerant discharge port 411, the vortex flow guide member 412, the vortex flow guide cavity 413, the gas-liquid flow distribution cavity 414, the gas flow cavity 415, the gas duct 42, the liquid distribution member 421, the liquid duct 43, the sealing member 5, the second oil return passage 6, the first communication passage 61, the second communication passage 62, the oil return pipe 63, the oil return port 631, the motor 7, and the compressor 10.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The compressor 10 and the temperature adjusting apparatus having the same according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 22.
Referring to fig. 1 and 2, a compressor 10 includes: casing subassembly 1, pump body subassembly 2, stock solution subassembly 3 and gas-liquid separation subassembly 4, wherein:
the housing assembly 1 defines a mounting cavity 11, the housing assembly 1 may include a barrel, a top shell connected with a top of the barrel, and a bottom shell connected with a bottom of the barrel to define the mounting cavity 11, and the mounting cavity 11 may be a cylindrical cavity. The pump body assembly 2 is arranged in the mounting cavity 11, the pump body assembly 2 includes a cylinder 21 and an air inlet channel 212 communicated with a compression cavity 211 of the cylinder 21, a gaseous refrigerant separated by the gas-liquid separation assembly 4 enters the compression cavity 211 through the air inlet channel 212, the refrigerant is compressed in the compression cavity 211, and then the high-temperature and high-pressure gaseous refrigerant can be discharged through an exhaust channel of the compressor 10, and the compressor 10 can provide power for the circulation of the refrigerant.
Stock solution subassembly 3 is equipped with stock solution chamber 31, and the installation cavity 11 is located and the below of pump body subassembly 2 is located to stock solution subassembly 3, and the liquid refrigerant that gas-liquid separation subassembly 4 separated can be stored in stock solution chamber 31.
At least one part of the gas-liquid separation component 4 is arranged on the outer side of the shell component 1, the gas-liquid separation component 4 is constructed to perform gas-liquid separation on a refrigerant discharged into the gas-liquid separation component 4, the gas-liquid separation component 4 is provided with a gas output end used for discharging gas and a liquid output end used for discharging liquid, the gas output end is communicated with the gas inlet channel 212, the liquid output end is communicated with the liquid storage cavity 31, namely, the refrigerant outside the compressor 10 firstly enters the gas-liquid separation component 4 to perform gas-liquid separation, the separated gaseous refrigerant enters the compression cavity 211 through the gas output end, and the separated liquid refrigerant enters the liquid storage cavity 31 through the liquid output end, so that the liquid refrigerant can be prevented from entering the compression cavity 211, and the compressor 10 is prevented from generating liquid impact.
It can be understood that, in the embodiment of the present invention, the liquid storage assembly 3 is disposed in the mounting cavity 11 to reduce the mass distribution far from the outside of the shell assembly 1, so that the center of gravity of the whole compressor 10 is closer to the central axis of the shell assembly 1, thereby effectively reducing the radial vibration of the compressor 10 and improving the reliability of the compressor 10 when the compressor 10 operates. Meanwhile, at least one gas-liquid separation assembly 4 arranged outside the shell assembly 1 can reduce heat transfer in the shell assembly 1 to the gas-liquid separation assembly 4, so that the gaseous refrigerant in the gas-liquid separation assembly 4 is favorably reduced and is heated and expanded, the air inflow of the gas-liquid separation assembly into the compression cavity 211 is favorably ensured, and the energy efficiency of the compressor 10 is improved. Preferably, the gas-liquid separation assembly 4 performs a function of separating gas and liquid of the refrigerant at an outer side of the casing assembly 1.
In addition, with placing the installation cavity 11 in the stock solution subassembly 3 in, can also reduce the occupation space of compressor 10 on radial (width) direction to when compressor 10 is used for temperature regulation equipment such as air conditioner, heat pump, make compressor 10 make full use of its space on the direction of height, reduce the occupation space of compressor 10 on the width direction, and then be favorable to realizing the miniaturization of temperature regulation equipment such as air conditioner, heat pump.
According to the compressor 10 provided by the embodiment of the invention, the liquid storage component 3 is arranged in the installation cavity 11, and at least one part of the gas-liquid separation component 4 is arranged on the outer side of the shell component 1, so that the radial vibration of the compressor 10 can be effectively reduced, and the operation stability and the energy efficiency of the compressor 10 are improved.
In some embodiments of the present invention, referring to fig. 1, the top of the liquid storage cavity 31 is open, the lower end of the pump body assembly 2 is hermetically connected with the upper end of the liquid storage assembly 3 to seal the top of the liquid storage cavity 31, that is, the liquid storage assembly 3 is fixed to the lower end of the pump body assembly 2, and the lower end surface of the pump body assembly 2 may form a top wall of the sealed liquid storage cavity 31, so that the structure of the liquid storage assembly 3 may be simplified, a communication structure between the liquid output end and the liquid storage cavity 31 may be conveniently provided, and the air vent channel 225 and the second oil return channel 6, through which the liquid storage assembly 3 is communicated with the pump body assembly 2, may be conveniently provided.
In some embodiments of the present invention, referring to fig. 1, the pump body assembly 2 includes a secondary bearing 22 disposed below the cylinder 21, and a lower end of the secondary bearing 22 is hermetically connected to an upper end of the reservoir assembly 3 to cover a top of the reservoir chamber 31, so that a structure of the reservoir chamber 31 communicating with the outside can be disposed on the secondary bearing 22, thereby simplifying a complexity of the structure of the reservoir assembly 3 and improving a sealing reliability of the reservoir assembly 3.
For example, the auxiliary bearing 22 is provided with a fluid passage 221 opening toward the reservoir chamber 31, and the liquid outlet is communicated with the fluid passage 221 to supply liquid refrigerant to the fluid passage, so that a sealing structure provided when the liquid outlet is directly communicated with the reservoir chamber 31 can be avoided. For another example, the auxiliary bearing 22 is provided with a ventilation channel 225, and the ventilation channel 225 can directly communicate with the air inlet channel 212 and the reservoir 31, so that the gaseous refrigerant in the reservoir 31 can be conveniently discharged into the air inlet channel 212 through the ventilation channel 225, and the liquid seal of the reservoir assembly 3 is avoided.
Referring to fig. 3, the upper end of the liquid storage component 3 is sleeved outside the lower end of the auxiliary bearing 22, the liquid storage component 3 and the auxiliary bearing 22 are in interference fit and sealing connection, and the interference magnitude is greater than 0mm and less than 0.08mm, and is preferably 0.02mm, or 0.03mm, or 0.04 mm.
Referring to fig. 4, the lower end of the secondary bearing 22 is sleeved outside the upper end of the liquid storage assembly 3, the liquid storage assembly 3 is in interference fit and sealing connection with the secondary bearing 22, and the interference magnitude is greater than 0mm and less than 0.08mm, and is preferably 0.02mm, or 0.03mm, or 0.04 mm.
Referring to fig. 5, the lower end of the auxiliary bearing 22 is sleeved on the outer side of the upper end of the liquid storage component 3, the liquid storage component 3 is hermetically connected with the auxiliary bearing 22 through laser welding, and a welding platform is arranged at the lower end of the auxiliary bearing 22 and has a certain length and thickness for placing solder or avoiding a welding head.
Referring to fig. 6, the upper end of the liquid storage component 3 is sleeved on the outer side of the lower end of the auxiliary bearing 22, the liquid storage component 3 is hermetically connected with the auxiliary bearing 22 through laser welding, a welding platform is arranged at the upper end of the liquid storage component 3, and the welding platform has certain length and thickness and is used for placing welding flux or avoiding a welding head.
Referring to fig. 7, the liquid storage assembly 3 is connected with the auxiliary bearing 22 through a fastener, the contact surface of the liquid storage assembly 3 and the auxiliary bearing 22 is in sealing fit, the fastener may be a bolt, both the liquid storage assembly 3 and the auxiliary bearing 22 may be provided with a mounting hole 226 suitable for the fastener to penetrate, the mounting hole 226 may be a threaded hole or a through hole, the specification of the threaded hole or the through hole may be positively correlated with the displacement of the compressor 10, the threaded hole may be M4-M8, and the through hole may be Φ 4- Φ 8.
In some embodiments of the present invention, the joint between the liquid storage assembly 3 and the secondary bearing 22 is provided with a sealing member 5, as shown in fig. 8, the sealing member 5 is a metal finishing piece, or as shown in fig. 9, the sealing member 5 is a sealing gasket made of asbestos, etc., so as to improve the sealing effect at the joint between the liquid storage assembly 3 and the secondary bearing 22.
In some embodiments of the present invention, referring to fig. 1, the gas-liquid separation module 4 includes a main conduit 41, a gas conduit 42 and a liquid conduit 43, and the gas conduit 42 is disposed above the liquid conduit 43, so that a liquid refrigerant with a relatively high density and a gaseous refrigerant with a relatively low density can be separated by gravity, thereby achieving a gas-liquid separation function. One end of the gas conduit 42 is communicated with the main conduit 41, the other end of the gas conduit 42 is a gas output end, one end of the liquid conduit 43 is communicated with the main conduit 41, and the other end of the liquid conduit 43 is a liquid output end.
Referring to fig. 1 and 10, the gas-liquid separation assembly 4 is of an inverted "F" structure, in which the main duct 41 extends in a gravity direction, in other words, the main duct 41 is vertically disposed, the upper end of the main duct 41 is provided with a refrigerant discharge port 411, the lower end side wall of the main duct 41 is provided with a gas flow port and a liquid flow port, the gas flow port is located above the liquid flow port, the gas duct 42 and the liquid duct 43 are transversely disposed, the gas duct 42 is disposed above the liquid duct 43, one end of the gas duct 42 is communicated with the gas flow port of the main duct 41, the other end of the gas duct 42 is communicated with the gas inlet channel 212, one end of the liquid duct 43 is communicated with the liquid flow port of the main duct 41, the other end of the liquid duct 43 is communicated with the liquid storage chamber 31, the external refrigerant is discharged into the main duct 41 through the refrigerant discharge port 411, and is subjected to gas-liquid separation under the action of gravity, the liquid with a relatively high density enters the liquid storage chamber 31 through the liquid flow port and the liquid duct 43, the less dense gaseous refrigerant enters the inlet passage 212 through the gas flow ports and the gas conduit 42.
Referring to fig. 11, the main duct 41 of the gas-liquid separation assembly 4 extends in the gravity direction, in other words, the main duct 41 is vertically disposed, the upper end of the main duct 41 is provided with a refrigerant discharge port 411, the lower end side wall of the main duct 41 is provided with a refrigerant discharge port, the gas duct 42 and the liquid duct 43 are transversely disposed, the gas duct 42 is disposed above the liquid duct 43, one end of the liquid duct 43 is communicated with the refrigerant discharge port of the main duct 41, the other end of the liquid duct 43 is communicated with the liquid storage chamber 31, the top wall of the middle section of the liquid duct 43 is provided with a gas communication port, that is, the gas communication port is disposed between the two ends of the liquid duct 43, the gas communication port is located at the top of the liquid duct 43 in the gravity direction, one end of the gas duct 42 extends towards the liquid duct 43 and is communicated with the liquid duct 43 through the gas communication port, and the other end of the gas duct 42 is communicated with the gas inlet channel 212, the external refrigerant is discharged into the main duct 41 through the refrigerant discharge port 411, and is subjected to gas-liquid separation under the action of gravity, the separated liquid refrigerant and gaseous refrigerant both enter the liquid guide tube 43 through the refrigerant discharge port, the liquid refrigerant with higher density flows to the liquid storage cavity 31 at the bottom of the liquid guide tube 43, and the gaseous refrigerant with lower density enters the air inlet channel 212 at the top of the liquid guide tube 43 through the gas communication port and the gas guide tube 42, so that the gas-liquid separation effect is favorably improved.
Referring to fig. 12, the main duct 41 of the gas-liquid separation assembly 4 extends in a gravity direction, in other words, the main duct 41 is vertically disposed, the upper end of the main duct 41 is provided with a refrigerant discharge port 411, an offset vortex flow guide 412 is disposed in the main duct 41 to divide a space in the main duct 41 into a vortex flow guide cavity 413 and a gas-liquid flow guide cavity 414, one end of the vortex flow guide cavity 413 is communicated with the refrigerant discharge port 411, the other end of the vortex flow guide cavity 413 is communicated with the gas-liquid flow guide cavity 414, the side wall of the main duct 41 located in the gas-liquid flow guide cavity 414 is provided with a gas flow port and a liquid flow port, the gas flow port is located above the liquid flow port, the gas duct 42 and the liquid duct 43 are laterally disposed, the gas duct 42 is disposed above the liquid duct 43, one end of the gas duct 42 is communicated with the gas flow port of the main duct 41, the other end of the gas duct 42 is communicated with the gas inlet channel 212, one end of the liquid conduit 43 is communicated with the liquid flow port of the main conduit 41, the other end of the liquid conduit is communicated with the liquid storage cavity 31, an external refrigerant is discharged into the main conduit 41 through the refrigerant discharge port 411, and under the guiding action of the vortex flow guide part 412, vortex occurs in the vortex flow guide cavity 413 to perform gas-liquid separation, and then flows into the gas-liquid flow distribution cavity 414, in the gas-liquid flow distribution cavity 414, the liquid refrigerant with higher density enters the liquid storage cavity 31 through the liquid flow port and the liquid conduit 43, and the gas refrigerant with lower density enters the gas inlet channel 212 through the gas flow port and the gas conduit 42.
Referring to fig. 13, the main duct 41 of the gas-liquid separation assembly 4 extends in a gravity direction, in other words, the main duct 41 is vertically disposed, an offset vortex flow guide 412 is disposed in the main duct 41 to divide a space in the main duct 41 into a vortex flow guide cavity 413 and a gas circulation cavity 415, a gas circulation port is disposed at a top of the main duct 41, a liquid circulation port is disposed at a bottom of the main duct 41, the vortex flow guide cavity 413 is communicated with a refrigerant discharge port 411, a gas-liquid flow distribution cavity 414 and a liquid circulation port, the gas circulation cavity 415 is communicated with the vortex flow guide cavity 413 and the gas circulation port, an external refrigerant is discharged into the main duct 41 through the refrigerant discharge port 411, and under a guiding action of the vortex flow guide 412, a vortex is generated in the vortex flow guide cavity 413 to perform gas-liquid separation, a liquid refrigerant with a higher density enters the liquid storage cavity 31 through the liquid circulation port and the liquid duct 43, a gas with a lower density flows into the gas circulation cavity 415 from the gas circulation cavity 415, and then through the gas flow ports and gas conduit 42 into the gas inlet passage 212.
In some embodiments of the present invention, referring to fig. 14, one end of the gas conduit 42 is provided with a liquid dividing member 421 for guiding the liquid to the liquid conduit 43, that is, the gas can enter the gas conduit 42 through the liquid dividing member 421, and the liquid dividing member 421 can prevent the liquid from rapidly passing through and make the liquid flow toward the liquid conduit 43 together.
Alternatively, the liquid separating member 421 may be a porous member, and the gaseous refrigerant may enter the gas conduit 42 through the hollow hole thereon, and the liquid refrigerant may collect in the hollow hole on the liquid separating member 421 and fall into the liquid conduit 43 under the action of gravity.
In some embodiments of the present invention, referring to fig. 15, the pump body assembly 2 includes a plurality of cylinders 21, each cylinder 21 is provided with a corresponding intake passage 212, the gas-liquid separation assembly 4 includes a main conduit 41, a liquid conduit 43, and a number of gas conduits 42 corresponding to the number of cylinders 21, one end of each gas conduit 42 is communicated with the main conduit 41, and the other end of each gas conduit 42 is a gas output end and is communicated with the corresponding intake passage 212.
In other embodiments of the present invention, referring to fig. 16, the pump body assembly 2 includes a plurality of cylinders 21, each cylinder 21 is provided with a corresponding intake channel 212, and each intake channel 212 is communicated with each other, the gas-liquid separation assembly 4 includes a main duct 41, a liquid duct 43, and a gas duct 42, one end of the gas duct 42 is communicated with the main duct 41, and the other end of the gas duct 42 is a gas output end and is communicated with one of the plurality of intake channels 212.
In some embodiments of the present invention, the minimum inner diameter of the gas conduit 42 is greater than or equal to the minimum inner diameter of the air intake channel 212, so as to reduce the resistance of the gaseous refrigerant when the gas conduit 42 flows to the air intake channel 212, thereby facilitating to reduce the suction resistance of the compressor 10 and improve the suction efficiency of the compressor 10.
In some embodiments of the present invention, referring to fig. 1, the minimum inner diameter B of the gas-liquid separation assembly 4 and the minimum inner diameter d of the gas inlet passage 212 satisfy the following relationship: b is more than 0.3d and less than or equal to 1.7d so as to ensure that the fluid in the gas-liquid separation component 4 smoothly flows and ensure that the gas-liquid separation component 4 reliably realizes the gas-liquid separation function. It is understood that the minimum inner diameter B of the gas-liquid separation module 4 is the minimum inner diameter of the main duct 41, the gas duct 42, and the liquid duct 43, for example, the minimum inner diameter B of the gas-liquid separation module 4 is the minimum inner diameter of the liquid duct 43.
In some embodiments of the present invention, referring to fig. 1, the central axis of the main conduit 41 is parallel to the central axis of the shell assembly 1, so as to reduce the occupied space of the gas-liquid separation assembly 4 in the radial direction of the compressor 10, which is beneficial for realizing the miniaturization of the compressor 10, wherein the central axis of the main conduit 41 and the central axis of the shell assembly 1 can be both parallel to the gravity direction. Meanwhile, the distance C between the central axis of the main duct 41 and the central axis of the shell component 1 satisfies the following relation: c is less than or equal to 150mm, so that the deviation of the central axis of the main guide pipe 41 relative to the central axis of the shell assembly 1 is reduced, the integral mass center of the compressor 10 is closer to the central axis of the shell assembly 1, and the stability of the compressor 10 in operation is improved. Preferably, the farthest distance between the main duct 41 and the central axis of the shell assembly 1 is less than or equal to 150mm, so as to further improve the stability of the compressor 10 during operation.
In some embodiments of the present invention, referring to fig. 1, the pump body assembly 2 further includes a crankshaft 23 and a piston 25, the piston 25 is eccentrically rotatably disposed in the compression chamber 211, the crankshaft 23 is used for driving the piston 25 to eccentrically rotate, and the maximum inner diameter a of the main conduit 41 satisfies the following relation: when 2cm 3 <e(D-e)H≤15cm 3 When the thickness is more than 2mm, A is less than or equal to 70 mm. When the length is 15cm 3 <e(D-e)H≤30cm 3 When the thickness is more than 20mm, A is less than or equal to 90 mm. When the distance is 30cm 3 <e(D-e)H≤65cm 3 When the thickness is more than 30mm, A is less than or equal to 110 mm. Where D is the bore diameter of the cylinder 21, e is the eccentricity of the crankshaft 23, and H is the height of the cylinder 21. It can be understood that the bore D of the cylinder 21 may be the inner diameter of the compression cavity 211 of the cylinder 21, and e (D-e) H is the suction volume of the cylinder 21, that is, the maximum bore a of the main conduit 41 is positively correlated with the suction volume of the cylinder 21, the suction volume of the cylinder 21 is larger, the maximum bore a of the main conduit 41 may determine the gas-liquid separation capability of the gas-liquid separation assembly 4, when the suction volume of the cylinder 21 is larger, the gas-liquid separation capability of the gas-liquid separation assembly 4 is required to be higher, the flow rate of the refrigerant in the main conduit 41 may be reduced by increasing the maximum bore a of the main conduit 41, and then the gas-liquid separation capability of the gas-liquid separation assembly 4 is improved, so as to avoid the compressor 10 from generating liquid slugging.
It should be noted that the maximum inner diameter a of the main conduit 41 can be adaptively adjusted according to the characteristics of the refrigerant, so as to ensure the gas-liquid separation effect of the gas-liquid separation assembly 4, and meanwhile, when the distance C between the central axis of the main conduit 41 and the central axis of the shell assembly 1 is less than or equal to 150mm, the center of mass of the whole compressor 10 can be closer to the axis of the shell assembly 1, so as to improve the stability of the compressor 10 during operation. In some embodiments of the present invention, the refrigerant is R32 (difluoromethane).
In some embodiments of the present invention, the effective volume V of the reservoir chamber 31 satisfies the following relationship. When 2cm 3 <e(D-e)H≤15cm 3 When the volume is more than 4ml and less than or equal to 500 mm. When the length is 15cm 3 <e(D-e)H≤30cm 3 When the volume is more than 40ml and less than or equal to 1000 mm. When the distance is 30cm 3 <e(D-e)H≤65cm 3 When the volume is more than 200ml and less than or equal to 1500 mm. It can be understood that e (D-e) H is the cylinder 21 volume of breathing in, that is, the effective volume V of stock solution chamber 31 and the cylinder 21 volume of breathing in are positive correlation, the cylinder 21 volume of breathing in is big more, the effective volume V of stock solution chamber 31 can show the stock solution ability of stock solution chamber 31, when the cylinder 21 volume of breathing in is big more, it is high more to the stock solution ability requirement of stock solution chamber 31, the accessible increases the effective volume V of stock solution chamber 31 promotes the volume that stock solution chamber 31 stores liquid refrigerant, avoid stock solution chamber 31 to be full of liquid refrigerant, prevent that the liquid refrigerant in the stock solution chamber 31 from flowing backward into gas-liquid separation subassembly 4 and inlet channel 212, prevent that compressor 10 from appearing the liquid attack, thereby be favorable to promoting compressor 10's reliability.
It should be noted that V ═ S × h, where S is the effective projected area of the reservoir 31 and h is the effective height of the reservoir 31, the effective volume V of the reservoir 31 can also be adjusted according to the equipment used by the compressor 10, and in some embodiments of the present invention, the compressor 10 is used in an air conditioner.
In some embodiments of the present invention, referring to fig. 1, the pump body assembly 2 is provided with a fluid channel 221 opening towards the liquid storage cavity 31, and the liquid output end is communicated with the fluid channel 221 to deliver liquid to the fluid channel, so as to avoid a sealing structure arranged when the liquid output end is directly communicated with the liquid storage cavity 31, thereby facilitating to reduce the processing and assembling difficulty of the compressor 10, reduce the manufacturing cost of the compressor 10, and improve the reliability of the compressor 10.
In some embodiments of the present invention, referring to fig. 17, the compressor 10 further includes a heat insulating member 32, the heat insulating member 32 is disposed in the liquid storage cavity 31, a liquid storage space for containing liquid is defined in the heat insulating member 32, a volume of the liquid storage space is an effective volume of the liquid storage cavity 31, the liquid output end is communicated with the liquid storage space inside the heat insulating member 32, the heat insulating member 32 can effectively block external heat from being transferred to the internal space of the heat insulating member 32, so as to reduce a temperature of the internal space of the heat insulating member 32, and reduce thermal expansion of a gaseous refrigerant in the liquid storage cavity 31, so that when the gaseous refrigerant in the liquid storage cavity 31 flows back to the air inlet channel 212, a volume of the gaseous refrigerant is reduced, thereby facilitating improvement of air suction efficiency of the compressor 10.
It should be noted that the gaseous refrigerant in the liquid storage chamber 31 may be formed by evaporating a liquid refrigerant or a gaseous refrigerant that is not separated by the gas-liquid separation assembly 4.
In some embodiments of the present invention, the heat insulating member 32 has a minimum thickness of 1.5mm to ensure the heat insulating effect, and the heat insulating member 32 may be selected from materials having a thermal conductivity of less than 1W/(m · K), chemical stability, and non-reactivity with lubricating oil, for example, the material of the heat insulating member 32 may be PTFE (polytetrafluoroethylene), PC (polycarbonate), and the like.
In some embodiments of the present invention, referring to fig. 17, a first heat insulation space 33 is provided between the heat insulation member 32 and the inner wall of the liquid storage cavity 31, it can be understood that the heat insulation member 32 is in clearance fit with the inner wall of the liquid storage cavity 31, and the first heat insulation space 33 is formed at a clearance between the heat insulation member 32 and the inner wall of the liquid storage cavity 31, the clearance between the heat insulation member 32 and the inner wall of the liquid storage cavity 31 may be greater than 0.01mm and less than 0.5mm, and the clearance between the heat insulation member 32 and the inner wall of the liquid storage cavity 31 is formed as the first heat insulation space 33, so as to reduce heat transfer. Optionally, the first insulating space 33 is vacuumized or filled with a refrigerant to improve the insulating effect of the first insulating space 33.
In other embodiments of the present invention, referring to fig. 18, a second thermal insulation space 34 is disposed in an inner wall of the liquid storage assembly 3, and the second thermal insulation space 34 is located outside the liquid storage cavity 31, it can be understood that the inner wall of the liquid storage assembly 3 is a double-layer structure to effectively block external heat from being transferred into the liquid storage cavity 31, so as to reduce the temperature of the liquid storage cavity 31 and reduce the thermal expansion of the gaseous refrigerant in the liquid storage cavity 31, so that when the gaseous refrigerant in the liquid storage cavity 31 flows back to the air inlet channel 212, the volume of the gaseous refrigerant is reduced, thereby facilitating to improve the air suction efficiency of the compressor 10.
In some embodiments of the present invention, and as illustrated with reference to FIG. 1, compressor 10 further comprises: motor 7, pump body subassembly 2 still includes the auxiliary bearing 22 that is located the cylinder 21 downside, and motor 7 is located installation cavity 11 and is cooperated with pump body subassembly 2, and motor 7 can include stator and rotor, and the stator is fixed in installation cavity 11, and the rotor is connected with pump body subassembly 2's bent axle 23, and the rotor can drive bent axle 23 and rotate, and motor 7's stator is amasss for Hd, and the internal diameter of casing is Dk, and auxiliary bearing 22's height is Hf, satisfies following relational expression: Hf/Dk is more than 0.12 and less than 0.95, Hf is more than 0.28 and less than or equal to Hd, so that the reliability of the compressor 10 is improved, the service life of the compressor 10 is ensured, and the compressor 10 can stably and reliably operate.
For example, the height Hf of the sub-bearing 22 is 30mm, the inner diameter Dk of the housing is 90mm, and the stator product thickness Hd of the motor 7 is 50 mm.
In some embodiments of the present invention, referring to fig. 1, 2, 19 and 20, an oil storage space 111 is disposed between the oil storage component 3 and the inner wall of the mounting cavity 11, lubricating oil can be stored in the oil storage space 111, the lubricating oil can cool and lubricate the pump body component 2, the pump body component 2 further includes a crankshaft 23 and a secondary bearing 22 disposed at the lower side of the cylinder 21, a mounting blind hole 222 opened toward the cylinder 21 and a first oil return channel 223 communicated with the mounting blind hole 222 are disposed on the secondary bearing 22, the first oil return channel 223 is communicated with the oil storage space 111, the lower end of the crankshaft 23 can rotatably extend into the mounting blind hole 222, the mounting blind hole 222 can support and define the lower end of the crankshaft 23, and the lubricating oil in the oil storage space 111 can flow into the mounting blind hole 222 through the first oil return channel 223 and lubricate the pump body component 2 through the crankshaft 23.
Specifically, an oil guide channel 231 and a radial oil hole 232 may be disposed in the crankshaft 23, the radial oil hole 232 may be communicated with the oil guide channel 231 and the compression cavity 211, the lower end of the oil guide channel 231 is communicated with the installation blind hole 222, an upper oil vane 233 is disposed at the lower end of the oil guide channel 231, the radial oil hole 232 may be immersed by lubricating oil, and when the crankshaft 23 rotates, the upper oil vane 233 drives the lubricating oil in the installation blind hole 222 to flow to the radial oil hole 232, so as to lubricate moving parts in the pump body assembly 2.
In some embodiments of the present invention, referring to fig. 1, the pump body assembly 2 further includes an upper bearing 24 disposed on the upper side of the cylinder 21, the crankshaft 23 is rotatably disposed through the upper bearing 24, the upper bearing 24 can support and limit the crankshaft 23, and the upper bearing 24, the cylinder 21 and the auxiliary bearing 22 can be fixed by fasteners.
In some embodiments of the present invention, the aperture of the first oil return passage 223 is equal to or larger than the inner axial diameter of the crankshaft 23, that is, the aperture of the first oil return passage 223 is equal to or larger than the aperture of the oil guide passage 231, so as to ensure the oil return effect of the lubricating oil. The first oil return passage 223 may be transversely disposed, and the auxiliary bearing 22 maintains a first clearance with the casing assembly 1 at a position where the first oil return passage 223 faces the inner wall of the casing assembly 1, where the first clearance is greater than or equal to 0.15d, and d is a minimum inner diameter of the air inlet passage 212, so as to ensure a flowing space of the lubricating oil, so that the lubricating oil can smoothly flow into the first oil return passage 223.
In other embodiments of the present invention, referring to fig. 8, 21 and 22, an oil storage space 111 is provided between the reservoir assembly 3 and the inner wall of the mounting cavity 11, lubricating oil can be stored in the oil storage space 111, the lubricating oil can cool and lubricate the pump body assembly 2, the pump body assembly 2 further includes a crankshaft 23, a secondary bearing 22 and a sealing member 5, the secondary bearing 22 is provided at a lower side of the cylinder 21, the sealing member 5 is provided at a lower side of the secondary bearing 22, the sealing member 5 is used for connecting the secondary bearing 22 and the reservoir assembly 3, the secondary bearing 22 is provided with a mounting through hole 224 opening towards the cylinder 21 and the sealing member 5, the mounting through hole 224 is communicated with the oil storage space 111, a lower end of the crankshaft 23 can rotatably extend into the mounting through hole 224, and the lubricating oil in the oil storage space 111 can lubricate the pump body assembly 2 through the mounting through hole 224 and the crankshaft 23.
In some embodiments of the present invention, referring to fig. 1 and 2, the compressor 10 further includes a second oil return passage 6, an upper end of the second oil return passage 6 is communicated with the air inlet passage 212, and a lower end of the second oil return passage 6 is communicated with a lower space of the liquid storage cavity 31, when the refrigerant passes through the air inlet passage 212, a negative pressure may be formed at the upper end of the second oil return passage 6, so that the lubricating oil in the lower space of the liquid storage cavity 31 may flow upward into the air inlet passage 212 through the second oil return passage 6, thereby returning the lubricating oil, avoiding wear caused by lack of the lubricating oil by the compressor 10, and improving reliability and service life of the compressor 10.
It can be understood that, pump body subassembly 2 need have sufficient lubricating oil to reduce wearing and tearing, compressor 10 is at the during operation, there is partial lubricating oil along with refrigerant outflow compressor 10, at refrigerant endless in-process, the refrigerant carries lubricating oil to get into gas-liquid separation subassembly 4 and carries out gas-liquid separation, liquid lubricating oil can together enter into stock solution chamber 31 with liquid refrigerant, for avoiding the lubricating oil in stock solution chamber 31 more and lead to pump body subassembly 2 to lack lubricating oil, through the setting of second oil return passage 6, utilize inlet channel 212's negative pressure to inhale pump body subassembly 2's compression chamber 211 with the lubricating oil in stock solution chamber 31, thereby guarantee the oil return effect of lubricating oil, avoid compressor 10 to lubricate badly.
In some embodiments of the present invention, referring to fig. 1 and 2, the pump body assembly 2 further includes a secondary bearing 22 located at the lower side of the cylinder 21, the second oil return passage 6 includes an oil return pipe 63 and a first communication passage 61 provided in the secondary bearing 22, the first communication passage 61 communicates with the air intake passage 212 through a second communication passage 62 provided in the cylinder 21, an upper end of the oil return pipe 63 is inserted into the first communication passage 61 to fix the oil return pipe 63, a lower end of the oil return pipe 63 extends to a lower portion of the liquid storage chamber 31, a lower end of the oil return pipe 63 may be provided with an oil return port 631, and liquid lubricant in the liquid storage chamber 31 may enter the oil return pipe 63 through the oil return port 631 and enter the compression chamber 211 through the first communication passage 61, the second communication passage 62, and the air intake passage 212 in sequence. It can be understood that the density of the liquid lubricant is less than that of the liquid refrigerant, and in the liquid storage chamber 31, the liquid lubricant is located at the uppermost layer of the liquid level of the liquid storage chamber 31, and the height of the oil return port 631 at the lower end of the oil return pipe 63 is set to reduce the liquid refrigerant from entering the air intake passage 212 through the oil return pipe 63.
Optionally, the range of the inner diameter of the oil return pipe 63 is 0.1mm to 2mm, the length of the oil return pipe 63 can be selected according to the height of the liquid storage chamber 31, and the oil return port 631 at the lower end of the oil return pipe 63 can be formed in the side wall of the lower end of the oil return pipe 63, so as to prevent impurities at the bottom of the liquid storage chamber 31 from entering the oil return port 631.
In some embodiments of the present invention, referring to fig. 19-22, the auxiliary bearing 22 is provided with a ventilation channel 225, one end of the ventilation channel 225 is communicated with the air inlet channel 212, and the other end of the ventilation channel 225 is communicated with the liquid storage cavity 31, so that the gaseous refrigerant in the liquid storage cavity 31 can enter the air inlet channel 212 through the ventilation channel 225, and the gaseous refrigerant is prevented from entering the liquid storage cavity 31 and causing air seal of the liquid storage cavity 31.
It should be noted that the compressor 10 according to the embodiment of the present invention may be a rotary (rotor) compressor to reduce radial vibration of the rotary compressor.
A temperature adjusting apparatus according to another aspect of the embodiment of the present invention includes the compressor 10 of the above-described embodiment. The temperature adjusting device may be an air conditioner, a heat pump, or the like.
According to the temperature regulating equipment provided by the embodiment of the invention, the liquid storage component 3 of the compressor 10 is arranged in the mounting cavity 11, and at least one part of the gas-liquid separation component 4 is arranged on the outer side of the shell component 1, so that the radial vibration of the compressor 10 can be effectively reduced, the operation stability and the energy efficiency of the compressor 10 are improved, the radial occupied space of the compressor 10 is favorably reduced, and the miniaturization of the temperature regulating equipment is favorably realized.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean 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 are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (17)

1. A compressor, comprising:
a housing assembly defining a mounting cavity;
the pump body assembly is arranged in the mounting cavity and comprises an air cylinder and an air inlet channel communicated with a compression cavity of the air cylinder;
the liquid storage component is provided with a liquid storage cavity, and the liquid storage component is arranged in the mounting cavity and is positioned below the pump body component;
the gas-liquid separation assembly is provided with a gas output end used for discharging gas and a liquid output end used for discharging liquid, the gas output end is communicated with the gas inlet channel, and the liquid output end is communicated with the liquid storage cavity.
2. The compressor of claim 1, wherein the top of the reservoir chamber is open, and the lower end of the pump body assembly is sealingly connected to the upper end of the reservoir assembly to close the top of the reservoir chamber.
3. The compressor of claim 1, wherein the gas-liquid separation assembly includes a main duct, a gas duct, and a liquid duct, the gas duct is disposed above the liquid duct, one end of the gas duct communicates with the main duct, the other end of the gas duct is the gas output end, one end of the liquid duct communicates with the main duct, and the other end of the liquid duct is the liquid output end.
4. A compressor according to claim 3, wherein said one end of said gas conduit is provided with a liquid dividing member for directing liquid to said liquid conduit.
5. A compressor according to claim 3, wherein the minimum inner diameter of the gas conduit is equal to or greater than the minimum inner diameter of the gas inlet passage.
6. The compressor of claim 3, wherein a central axis of the main duct is parallel to a central axis of the housing assembly and a spacing C therebetween satisfies the relationship: c is less than or equal to 150 mm.
7. The compressor of claim 6, wherein the pump body assembly further comprises a crankshaft and a piston, the piston is eccentrically rotatably disposed in the compression chamber, the crankshaft is configured to drive the piston to eccentrically rotate, and the maximum inner diameter A of the main conduit satisfies the following relationship:
when 2cm 3 <e(D-e)H≤15cm 3 When the thickness is more than 2mm, A is less than or equal to 70 mm;
when the length is 15cm 3 <e(D-e)H≤30cm 3 When the thickness is more than 20mm, A is less than or equal to 90 mm;
when the distance is 30cm 3 <e(D-e)H≤65cm 3 When the thickness is more than 30mm, A is less than or equal to 110 mm;
wherein D is the cylinder diameter of the cylinder, e is the eccentricity of the crankshaft, and H is the height of the cylinder.
8. The compressor of claim 7, wherein the effective volume V of the reservoir chamber satisfies the relationship:
when 2cm 3 <e(D-e)H≤15cm 3 When the volume is more than 4ml and less than or equal to 500 mm;
when 15cm 3 <e(D-e)H≤30cm 3 When the volume is more than 40ml and less than or equal to 1000 mm;
when the distance is 30cm 3 <e(D-e)H≤65cm 3 When the volume is more than 200ml and less than or equal to 1500 mm.
9. The compressor of claim 2, wherein the pump body assembly defines a fluid passage opening to the reservoir, the liquid outlet communicating with the fluid passage for delivering liquid to the fluid passage.
10. The compressor of claim 1, further comprising a thermal insulator disposed within the reservoir, the thermal insulator defining a reservoir therein for holding a liquid, the liquid outlet communicating with the reservoir.
11. The compressor of claim 10, wherein a first insulating space is provided between the insulation and an inner wall of the reservoir.
12. The compressor of claim 1, wherein a second insulating space is provided in an inner wall of the reservoir assembly, the second insulating space being located outside the reservoir cavity.
13. The compressor of claim 1, further comprising: the motor, pump body subassembly still is located the auxiliary bearing of cylinder downside, the motor is located the installation cavity and with pump body subassembly cooperation, the stator volume of motor is Hd thick, the internal diameter of casing is Dk, the height of auxiliary bearing is Hf, satisfies following relational expression: Hf/Dk is more than 0.12 and less than 0.95, Hf is more than 0.28 and not more than Hd.
14. The compressor according to claim 1, wherein an oil storage space is provided between the oil storage assembly and the inner wall of the mounting cavity, the pump body assembly further comprises a crankshaft and an auxiliary bearing arranged on the lower side of the cylinder, the auxiliary bearing is provided with a mounting blind hole facing the opening of the cylinder and a first oil return channel communicated with the mounting blind hole, the first oil return channel is communicated with the oil storage space, and the lower end of the crankshaft rotatably extends into the mounting blind hole.
15. The compressor of any one of claims 1-14, further comprising a second oil return passage having an upper end in communication with the air intake passage and a lower end in communication with a lower space of the reservoir chamber.
16. The compressor of claim 15, wherein the pump body assembly further includes a secondary bearing located on an underside of the cylinder, the second oil return passage includes an oil return pipe and a first communication passage provided in the secondary bearing, the first communication passage communicates with the intake passage through a second communication passage provided on the cylinder, an upper end of the oil return pipe is inserted into the first communication passage, and a lower end of the oil return pipe extends to a lower portion of the reservoir chamber.
17. A temperature conditioning apparatus, characterized by comprising a compressor according to any one of claims 1 to 16.
CN202210641689.0A 2022-06-07 2022-06-07 Compressor and temperature adjusting device with same Pending CN114876803A (en)

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