CN117231502A - Compressor and temperature regulating device with same - Google Patents

Abstract

The invention discloses a compressor and a temperature regulating device with the same. The compressor comprises a shell, a pump body component and a liquid storage component, wherein the shell defines an installation cavity, the pump body component is arranged in the installation cavity, the pump body component comprises a cylinder and an auxiliary bearing arranged on the cylinder, the cylinder is provided with a compression cavity, the pump body component is provided with an air inlet channel communicated with the compression cavity, the liquid storage component is provided with a liquid storage cavity, the liquid storage component is arranged in the installation cavity, and the liquid storage component is fixed to the auxiliary bearing. According to the compressor provided by the embodiment of the invention, the liquid storage component is arranged in the mounting cavity and is fixed to the auxiliary bearing, so that the radial vibration of the compressor can be effectively reduced, the running stability of the compressor is improved, the running noise of the compressor is reduced, the production and the manufacture of the compressor are facilitated, and the product competitiveness of the compressor is further improved.

Description

Compressor and temperature regulating device with same

Technical Field

The invention relates to the field of temperature regulating equipment, in particular to a compressor and temperature regulating equipment with the same.

Background

In the related art, a liquid storage tank with liquid storage and gas-liquid separation functions of a compressor is generally arranged outside a compressor shell in a surrounding mode and is connected with the compressor shell, the compressor has larger radial occupied space due to the arrangement of the liquid storage tank, and meanwhile, the liquid storage tank is externally connected to the compressor shell in a cantilever mode, so that the compressor can vibrate and deteriorate in the rotation direction, and the running stability of the compressor is affected.

Disclosure of Invention

The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the invention provides the compressor, which can improve the running stability of the compressor.

The invention also provides temperature regulating equipment with the compressor.

According to an embodiment of the present invention, a compressor includes: a housing defining a mounting cavity; the pump body assembly is arranged in the mounting cavity and comprises a cylinder and an auxiliary bearing arranged on the cylinder, the cylinder is provided with a compression cavity, and the pump body assembly is provided with an air inlet channel communicated with the compression cavity; the liquid storage assembly is provided with a liquid storage cavity and is arranged in the installation cavity, and the liquid storage assembly is fixed to the auxiliary bearing.

According to the compressor provided by the embodiment of the invention, the liquid storage component is arranged in the mounting cavity and is fixed to the auxiliary bearing, so that the radial vibration of the compressor can be effectively reduced, the running stability of the compressor is improved, the running noise of the compressor is reduced, the production and the manufacture of the compressor are facilitated, and the product competitiveness of the compressor is further improved.

According to some embodiments of the invention, one end of the liquid storage cavity is provided with an opening, and the auxiliary bearing seals the opening of the liquid storage cavity.

According to some embodiments of the invention, the reservoir assembly includes a reservoir housing and an end connector between the reservoir housing and the secondary bearing, the end connector being secured to the secondary bearing.

According to some embodiments of the invention, the reservoir assembly is provided with a mounting plate extending into the reservoir chamber, the mounting plate being connected to the secondary bearing.

Further, the liquid storage assembly further includes a first fixed connection secured to the secondary bearing through the mounting plate or secured to the cylinder through the mounting plate and the secondary bearing.

Further, the pump body assembly further comprises an upper bearing and a second fixed connecting piece, the upper bearing is arranged on the upper portion of the air cylinder, the auxiliary bearing is arranged on the lower portion of the air cylinder, the upper bearing is provided with a first mounting hole, the air cylinder is provided with a second mounting hole, the auxiliary bearing is provided with a third mounting hole, the mounting plate is provided with a fourth mounting hole, and the second fixed connecting piece penetrates through the first mounting hole and is matched with the second mounting hole to fixedly connect the upper bearing and the air cylinder;

the first fixed connecting piece passes through the fourth mounting hole and the third mounting hole and is matched with the second mounting hole to fixedly connect the liquid storage assembly, the auxiliary bearing and the air cylinder.

According to some embodiments of the invention, the liquid storage device further comprises a heat insulating member, wherein the heat insulating member is arranged in the liquid storage cavity, and a liquid storage space for containing liquid is defined in the heat insulating member.

Further, a first heat insulation space is arranged between the heat insulation piece and the inner wall of the liquid storage cavity.

Further, a second heat insulation space is arranged in the inner wall of the liquid storage component, and the second heat insulation space is positioned at the outer side of the liquid storage cavity.

According to some embodiments of the invention, the compressor further comprises a motor, the motor is arranged in the mounting cavity and is matched with the pump body assembly, the stator product thickness of the motor is Hd, the inner diameter of the shell is Dk, the height of the auxiliary bearing is Hf, and the following relation is satisfied: hf/Dk is more than 0.12 and less than 0.95, hf is more than 0.28Hd and less than or equal to Hd.

According to some embodiments of the invention, an oil storage space is arranged between the liquid storage component and the inner wall of the mounting cavity, the pump body component comprises a crankshaft, a mounting blind hole facing the opening of the cylinder and a first oil return channel communicated with the mounting blind hole are arranged on the auxiliary bearing, the first oil return channel is communicated with the oil storage space, and the lower end of the crankshaft rotatably stretches into the mounting blind hole.

According to some embodiments of the invention, the compressor further comprises a second oil return passage, an upper end of the second oil return passage is communicated with the air intake passage, and a lower end of the second oil return passage is communicated with a lower space of the liquid storage cavity.

Further, the second oil return channel comprises an oil return pipe and a first communication channel arranged in the auxiliary bearing, the first communication channel is communicated with the air inlet channel through a second communication channel arranged on the air cylinder, the upper end of the oil return pipe is inserted into the first communication channel, and the lower end of the oil return pipe extends to the lower part of the liquid storage cavity.

According to another aspect of the present invention, a temperature adjusting apparatus includes the compressor described above.

According to the temperature regulating device provided by the embodiment of the invention, the liquid storage component of the compressor is arranged in the mounting cavity and is fixed to the auxiliary bearing, so that the radial vibration of the compressor can be effectively reduced, the running stability of the compressor is improved, the running noise of the compressor is reduced, the production and the manufacture of the compressor are facilitated, the radial occupied space of the compressor is reduced, and the miniaturization of the temperature regulating device is further facilitated.

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 schematic structural view of a compressor according to an embodiment of the present invention;

FIG. 2 is a schematic view of a gas-liquid separation assembly according to an embodiment of the present invention;

FIG. 3 is a schematic illustration I of the cylinder, secondary bearing and reservoir assembly cooperation according to an embodiment of the present invention;

FIG. 4 is a schematic diagram II of the cylinder, secondary bearing and reservoir assembly cooperation according to an embodiment of the present invention;

FIG. 5 is a schematic illustration III of the cylinder, secondary bearing and reservoir assembly cooperation according to an embodiment of the present invention;

FIG. 6 is a schematic diagram IV of the cylinder, secondary bearing and reservoir assembly cooperation according to an embodiment of the invention;

FIG. 7 is a schematic illustration I of a motor, pump body assembly and reservoir assembly in accordance with an embodiment of the present invention;

FIG. 8 is a second schematic illustration of the motor, pump assembly and reservoir assembly mated in accordance with an embodiment of the present invention;

FIG. 9 is a schematic diagram III of the motor, pump body assembly and reservoir assembly cooperation according to an embodiment of the present invention;

FIG. 10 is a schematic view of a secondary bearing according to an embodiment of the invention;

FIG. 11 is a cross-sectional view of FIG. 10;

FIG. 12 is a schematic illustration of a secondary bearing and reservoir assembly according to an embodiment of the present invention;

fig. 13 is a schematic diagram of a secondary bearing and reservoir assembly according to an embodiment of the invention.

Reference numerals:

the housing 1, the mounting chamber 11, the oil storage space 111, the pump body assembly 2, the cylinder 21, the compression chamber 211, the intake passage 212, the second mounting hole 213, the sub-bearing 22, the fluid passage 221, the mounting blind hole 222, the first oil return passage 223, the vent passage 225, the fifth mounting hole 2261, the sixth mounting hole 2262, the refrigerant discharge passage 227, the baffle 2271, the fluid outlet 2272, the gas-liquid separation passage 228, the gas passage 229, the crankshaft 23, the oil guide passage 231, the radial oil hole 232, the oil applying vane 233, the upper bearing 24, the piston 25, the liquid storage assembly 3, the liquid storage chamber 31, the heat insulating member 32, the first heat insulating space 33, the second heat insulating space 34, the liquid storage case 35, the end connection member 36, the mounting plate 37, the gas-liquid separation assembly 4, the main pipe 41, the refrigerant discharge inlet 411, the gas pipe 42, the liquid separating member 421, the liquid pipe 43, the oil return pipe 44, 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, the stator 71, the rotor 72, the first fixed connection member 81, the second fixed connection member 82, and the compressor 10.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

A compressor 10 and a temperature adjusting apparatus having the same according to an embodiment of the present invention are described in detail below with reference to fig. 1 to 13.

Referring to fig. 1, a compressor 10 includes: casing 1, pump body subassembly 2 and stock solution subassembly 3, wherein:

the housing 1 defines a mounting cavity 11, and the housing 1 may include a cylinder, a top shell connected to the top of the cylinder, and a bottom shell connected to the bottom of the cylinder 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 comprises a cylinder 21 and an auxiliary bearing 22 arranged on the cylinder 21, the auxiliary bearing 22 can be arranged at the lower end of the cylinder 21, the auxiliary bearing 22 can be matched with a crankshaft 23 of the pump body assembly 2, the cylinder 21 is provided with a compression cavity 211, the pump body assembly 2 is provided with an air inlet channel 212 communicated with the compression cavity 211, the air inlet channel 212 can be arranged in the cylinder 21, a gaseous refrigerant after gas-liquid separation can enter the compression cavity 211 through the air inlet channel 212, after the refrigerant is compressed in the compression cavity 211, 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 circulation of the refrigerant.

The liquid storage component 3 is provided with a liquid storage cavity 31, the liquid storage component 3 is arranged in the mounting cavity 11, the liquid storage component 3 is fixed to the auxiliary bearing 22, the liquid storage component 3 can store liquid refrigerant after gas-liquid separation, the liquid refrigerant is prevented from entering the compression cavity 211, and the compressor 10 is prevented from generating liquid impact.

It will be appreciated that in the embodiment of the present invention, the liquid storage assembly 3 is built in the mounting cavity 11 to reduce mass distribution away from the outside of the casing 1, so that the center of gravity of the whole compressor 10 is closer to the central axis of the casing 1, thereby effectively reducing radial vibration of the compressor 10 and improving reliability of the compressor 10 when the compressor 10 is operated. Meanwhile, the liquid storage assembly 3 is arranged in the mounting cavity 11, and the occupied space of the compressor 10 in the radial (width) direction can be reduced, so that when the compressor 10 is used for temperature adjusting equipment such as an air conditioner and a heat pump, the space of the compressor 10 in the height direction is fully utilized, the occupied space of the compressor 10 in the width direction is reduced, and the miniaturization of the temperature adjusting equipment such as the air conditioner and the heat pump is further facilitated. In addition, the liquid storage assembly 3 is fixed to the sub bearing 22, which can reduce the difficulty of assembling the liquid storage assembly 3 and improve the manufacturability of the compressor 10.

According to the compressor 10 of the embodiment of the invention, the liquid storage component 3 is arranged in the mounting cavity 11, and the liquid storage component 3 is fixed to the auxiliary bearing 22, so that radial vibration of the compressor 10 can be effectively reduced, the running stability of the compressor 10 is improved, running noise of the compressor 10 is reduced, the production and the manufacture of the compressor 10 are facilitated, and the product competitiveness of the compressor 10 is improved.

In some embodiments of the present invention, referring to fig. 1, one end of the liquid storage chamber 31 is provided with an open mouth, the auxiliary bearing 22 seals the open mouth of the liquid storage chamber 31, that is, the end face of the auxiliary bearing 22 facing the liquid storage chamber 31 may cover the open end of the liquid storage chamber 31 to seal the liquid storage chamber 31, thereby simplifying the structure of the liquid storage assembly 3, and facilitating the arrangement of the vent channel 225 for communicating the liquid storage assembly 3 with the pump body assembly 2, the second oil return channel 6 for oil return, and the like.

Referring to fig. 1, the top of the liquid storage chamber 31 is opened, the lower end of the sub-bearing 22 is hermetically connected with the upper end of the liquid storage assembly 3 to cover the top of the liquid storage chamber 31, that is, the liquid storage assembly 3 is fixed to the lower end of the sub-bearing 22, and the lower end surface of the sub-bearing 22 may form a top wall of the sealed liquid storage chamber 31. The structure of the liquid storage cavity 31 communicated with the outside can be arranged on the auxiliary bearing 22, so that the complexity of the structure of the liquid storage assembly 3 can be simplified, and the sealing reliability of the liquid storage assembly 3 can be improved.

In some embodiments of the present invention, the compressor 10 further includes a separation channel configured to perform gas-liquid separation of the refrigerant discharged thereto, the separation channel being provided with a gas output for discharging gas and a liquid output for discharging liquid, the gas output being in communication with the gas inlet channel 212, the liquid output being in communication with the liquid storage chamber 31.

Referring to fig. 1 and 2, the separation channel includes a gas-liquid separation module 4 at least a portion of which is disposed outside the housing 1, the gas-liquid separation module 4 includes a main conduit 41, a gas conduit 42, and a liquid conduit 43, the gas conduit 42 is disposed above the liquid conduit 43, one end of the gas conduit 42 is in communication 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 in communication with the main conduit 41, and the other end of the liquid conduit 43 is a liquid output end.

Specifically, referring to fig. 1 and 2, the gas-liquid separation assembly 4 is of an inverted "F" structure, in which the main conduit 41 extends along the gravity direction, in other words, the main conduit 41 is vertically disposed, the upper end of the main conduit 41 is provided with a refrigerant discharge port 411, the lower end side wall of the main conduit 41 is provided with a gas circulation port and a liquid circulation port, the gas circulation port is located above the liquid circulation port, the gas conduit 42 and the liquid conduit 43 are laterally disposed, the gas conduit 42 is located above the liquid conduit 43, one end of the gas conduit 42 is communicated with the gas circulation port of the main conduit 41, the other end of the gas conduit 42 is communicated with the air intake channel 212, one end of the liquid conduit 43 is communicated with the liquid circulation port of the main conduit 41, the other end of the liquid conduit 43 is communicated with the liquid storage chamber 31, an external refrigerant is discharged into the main conduit 41 through the refrigerant discharge port 411, and under the action of gravity, the liquid refrigerant with a higher density enters the liquid storage chamber 31 through the liquid circulation port and the liquid conduit 43, and the gaseous refrigerant with a lower density enters the air intake channel 212 through the gas circulation port and the gas conduit 42.

Referring to fig. 2, the gas-liquid separation assembly 4 further includes an air return pipe 44, the air return pipe 44 is connected to the middle sections of the gas conduit 42 and the liquid conduit 43, and the gaseous refrigerant in the liquid storage chamber 31 can enter the air inlet channel 212 through the liquid conduit 43, the air return pipe 44 and the gas conduit 42, so as to avoid air sealing of the liquid storage chamber 31.

In some embodiments of the present invention, referring to fig. 1 and 2, the auxiliary bearing 22 is provided with a fluid channel 221 opening toward the liquid storage chamber 31, and the liquid output end of the liquid conduit 43 is communicated with the fluid channel 221 to convey the liquid refrigerant to the liquid storage chamber 31, so that a sealing structure arranged when the liquid output end is directly communicated with the liquid storage chamber 31 can be avoided, thereby being beneficial to reducing the difficulty in processing and assembling the compressor 10, reducing the manufacturing cost of the compressor 10, and improving the reliability of the compressor 10.

In other embodiments of the present invention, referring to fig. 3, the separation channel includes a refrigerant discharge channel 227 and a gas-liquid separation channel 228 provided on the sub-bearing 22, the refrigerant discharge channel 227 communicates with the gas-liquid separation channel 228, the gas-liquid separation channel 228 extends along the gravity direction, the upper end of the gas-liquid separation channel 228 communicates with the gas inlet channel 212, the lower end of the gas-liquid separation channel 228 communicates with the liquid storage chamber 31, the external refrigerant a enters the gas-liquid separation channel 228 through the refrigerant discharge channel 227 and is separated from the gas and liquid under the action of gravity, the gas refrigerant B with a smaller density flows up the gas-liquid separation channel 228 into the gas inlet channel 212, and the liquid refrigerant C with a larger density flows down the gas-liquid separation channel 228 into the liquid storage chamber 31.

Referring to fig. 4, the separation channel includes a refrigerant discharge channel 227 and a gas-liquid separation channel 228 disposed on the auxiliary bearing 22, the refrigerant discharge channel 227 is communicated with the gas-liquid separation channel 228, the gas-liquid separation channel 228 extends along the gravity direction, the upper end of the gas-liquid separation channel 228 is communicated with the air intake channel 212, the lower end of the gas-liquid separation channel 228 is communicated with the liquid storage chamber 31, a plurality of baffles 2271 inclined towards the gas-liquid separation channel 228 are disposed in the refrigerant discharge channel 227, the baffles 2271 can slow down the flow rate of the refrigerant so as to promote the gas-liquid separation effect of the refrigerant after flowing into the gas-liquid separation channel 228, the refrigerant discharge channel 227 is provided with a fluid outlet 2272 at one end communicated with the gas-liquid separation channel 228, the fluid outlet 2272 is inclined downwards or downwards so as to further promote the gas-liquid separation effect of the refrigerant in the gas-liquid separation channel 228, the external refrigerant a flows downwards to the lower side of the gas-liquid separation channel 228 under the influence of the refrigerant discharge channel 2271 and the fluid outlet 2272 at a lower flow velocity, then the gas-liquid separation channel B with lower density under the gravity effect, and the refrigerant flows upwards along the gas-liquid separation channel 228 and into the air intake chamber 31 along the gas-liquid separation channel 228.

Referring to fig. 5, the separation channel includes a refrigerant discharge channel 227, a gas-liquid separation channel 228 and a gas channel 229 provided on the auxiliary bearing 22, the refrigerant discharge channel 227 communicates with the gas-liquid separation channel 228, the gas-liquid separation channel 228 extends along the gravity direction, the upper end of the gas-liquid separation channel 228 is sealed, the lower end of the gas-liquid separation channel 228 communicates with the liquid storage cavity 31, the gas channel 229 is spaced from the gas-liquid separation channel 228, the upper end of the gas channel 229 communicates with the air inlet channel 212, the lower end of the gas channel 229 communicates with the liquid storage cavity 31, the external refrigerant a enters the gas-liquid separation channel 228 through the refrigerant discharge channel 227 and is separated from gas and liquid under the action of gravity, the gas refrigerant B with smaller density enters the liquid storage cavity 31 after filling the gas-liquid separation channel 228 and flows into the air inlet channel 212 through the gas channel 229 communicating with the liquid storage cavity 31, and the liquid refrigerant C with larger density flows down along the gas-liquid separation channel 228 into the bottom of the liquid storage cavity 31, thereby the space of the liquid storage cavity 31 can be fully utilized to promote the gas-liquid separation effect of the refrigerant.

Referring to fig. 6, a fluid outlet is formed at one end of the refrigerant discharge channel 227, which is in communication with the gas-liquid separation channel 228, a liquid separation member 421 may be disposed at the fluid outlet, the liquid separation member 421 may be a porous member, the external refrigerant a may flow into and out of the gas refrigerant B through the hole thereof when passing through the liquid separation member 421, and flow into the air inlet channel 212 upward along the gas-liquid separation channel 228, and the liquid refrigerant C may collect in the hole of the liquid separation member 421 and drop into the liquid storage chamber 31 below the gas-liquid separation channel 228 under the action of gravity, thereby being beneficial to improving the gas-liquid separation effect of the refrigerant.

In some embodiments of the present invention, referring to fig. 7, the liquid storage assembly 3 includes a liquid storage case 35 and an end connector 36, the end connector 36 being located between the liquid storage case 35 and the sub-bearing 22, the end connector 36 being fixed to the sub-bearing 22, that is, the end connector 36 may connect the liquid storage case 35 and the sub-bearing 22 to facilitate the fixed assembly of the liquid storage assembly 3 with the sub-bearing 22. Optionally, the end connecting piece 36 is a flange, the lower end of the flange is welded or in interference fit with the liquid storage shell 35, and the auxiliary bearing 22 can be fixedly connected with the upper end of the flange through the first fixed connecting piece 81.

In other embodiments of the present invention, referring to fig. 8, the liquid storage assembly 3 is provided with a mounting plate 37 extending toward the inside of the liquid storage cavity 31, the mounting plate 37 may be provided at the upper end of the liquid storage assembly 3, the mounting plate 37 extends toward the central axis direction of the liquid storage cavity 31, and the mounting plate is adapted to be connected with the auxiliary bearing 22 to fix the liquid storage assembly 3 to the pump body assembly 2.

In some embodiments of the present invention, the liquid storage assembly 3 further includes a first fixing connector 81, the first fixing connector 81 being fixed to the sub-bearing 22 through the mounting plate 37, or the first fixing connector 81 being fixed to the cylinder 21 through the mounting plate 37 and the sub-bearing 22 to achieve fixing of the liquid storage assembly 3 to the pump body assembly 2.

It should be noted that, the liquid storage assembly 3 may be provided with a recess at the mounting plate 37, so as to facilitate the assembly of the first fixing connection 81 outside the liquid storage cavity 31.

In some specific embodiments of the present invention, referring to fig. 8, the pump body assembly 2 further includes an upper bearing 24 and a second fixing connector 82, the upper bearing 24 is provided at an upper portion of the cylinder 21, the sub-bearing 22 is provided at a lower portion of the cylinder 21, the upper bearing 24 is provided with a first mounting hole, the cylinder 21 is provided with a second mounting hole 213, the sub-bearing 22 is provided with a third mounting hole, the mounting plate 37 is provided with a fourth mounting hole, the second fixing connector 82 passes through the first mounting hole and cooperates with the second mounting hole 213 to fixedly connect the upper bearing 24 and the cylinder 21, and the first fixing connector 81 passes through the fourth mounting hole, the third mounting hole and cooperates with the second mounting hole 213 to fixedly connect the cylinder 21, the sub-bearing 22 and the liquid storage assembly 3.

In still other embodiments of the present invention, referring to fig. 9, the liquid storage assembly 3 is provided with a mounting plate 37, the mounting plate 37 may be disposed at an upper end of the liquid storage assembly 3, the mounting plate 37 extends toward a central axis direction of the liquid storage chamber 31, the mounting plate 37 is provided with a fourth mounting hole, the sub-bearing 22 is provided with a fifth mounting hole 2261, and the first fixing connection member 81 may pass through the fifth mounting hole 2261 to be fixedly engaged with the fourth mounting hole on the mounting plate 37, so as to fix the liquid storage assembly 3 and the pump body assembly 2.

In one embodiment of the present invention, referring to fig. 9 to 10, a plurality of fifth mounting holes 2261 and a plurality of sixth mounting holes 2262 are provided on the sub-bearing 22, the plurality of fifth mounting holes 2261 may be uniformly distributed along the circumferential direction of the sub-bearing 22, the plurality of sixth mounting holes 2262 may be uniformly distributed along the circumferential direction of the sub-bearing 22, the first fixing connector 81 may be fixed with the fourth mounting holes on the mounting plate 37 through the fifth mounting holes 2261 to fix the sub-bearing 22 with the liquid storage assembly 3, and the second fixing connector 82 may be sequentially fixed with the sixth mounting holes 2262 through the first mounting holes on the upper bearing 24 and the second mounting holes 213 on the cylinder 21 to fix the upper bearing 24, the cylinder 21 and the sub-bearing 22, that is, the upper bearing 24, the cylinder 21, the sub-bearing 22, and the liquid storage assembly 3 are integrally connected through the first fixing connector 81 and the second fixing connector 82, so that the assembly of the compressor 10 is facilitated. Optionally, the sixth mounting hole 2262 and the fourth mounting hole are threaded holes, the first mounting hole, the second mounting hole 213, and the fifth mounting hole 2261 are threaded holes or through holes, and the first fixing connector 81 and the second fixing connector 82 are screws.

Referring to fig. 9 and 10, 5 fifth mounting holes 2261 are provided in the sub-bearing 22, the number of first fixing connectors 81 and fourth mounting holes corresponds to the number of fifth mounting holes 2261, 5 sixth mounting holes 2262 are provided in the sub-bearing 22, and the number of second fixing connectors 82, first mounting holes and second mounting holes 213 corresponds to the number of sixth mounting holes 2262. Alternatively, the aperture D5 of the fifth mounting hole 2261 and the aperture D6 of the sixth mounting hole 2262 satisfy the following relationship: D6/D5 is more than or equal to 0.75 and less than or equal to 2.

Referring to fig. 10, the fifth mounting hole 2261 is located at an outer periphery of the sixth mounting hole 2262, so that the sixth mounting hole 2262 of the liquid storage assembly 3 corresponding to the fifth mounting hole 2261 may be further disposed at a position closer to the outside, so as to reduce the length of the mounting plate 37, thereby facilitating the increase of the effective volume of the liquid storage assembly 3.

In some embodiments of the present invention, the mating surface of the liquid storage assembly 3 and the auxiliary bearing 22 at the connection may be a finished surface, or a sealing gasket is provided at the mating surface, so as to promote the sealing effect of the connection between the liquid storage assembly 3 and the auxiliary bearing 22.

In addition, the liquid storage assembly 3 and the auxiliary bearing 22 can be fixedly connected in a welding mode.

In some embodiments of the present invention, referring to fig. 12, the compressor 10 further includes a heat insulation member 32, the heat insulation member 32 is disposed in the liquid storage cavity 31, a liquid storage space for containing liquid is defined in the heat insulation member 32, and the volume of the liquid storage space is the effective volume of the liquid storage assembly 3, so that the heat insulation member 32 can effectively block external heat from being transferred to the internal space of the heat insulation member 32, so as to reduce the temperature of the internal space of the heat insulation member 32, reduce the thermal expansion of the gaseous refrigerant in the liquid storage cavity 31, and reduce the volume of the gaseous refrigerant when the gaseous refrigerant in the liquid storage cavity 31 flows back to the air inlet channel 212, thereby being beneficial to improving the air suction efficiency of the compressor 10.

In some embodiments of the present invention, the minimum thickness of the heat insulating member 32 is 1.5mm to ensure heat insulating effect, and the heat insulating member 32 may be selected from materials having a thermal conductivity of less than 1W/(m·k), stable chemical properties, and non-reactive with lubricating oil, for example, the heat insulating member 32 may be made of PTFE (polytetrafluoroethylene), PC (polycarbonate), or the like.

In some embodiments of the present invention, referring to fig. 12, a first heat insulation space 33 is provided between the heat insulation member 32 and the inner wall of the liquid storage chamber 31, it is understood that the heat insulation member 32 is in clearance fit with the inner wall of the liquid storage chamber 31, and the first heat insulation space 33 is formed at a gap between the heat insulation member 32 and the inner wall of the liquid storage chamber 31, the gap between the heat insulation member 32 and the inner wall of the liquid storage chamber 31 may be greater than 0.01mm and less than 0.5mm, and the gap between the heat insulation member 32 and the inner wall of the liquid storage chamber 31 is formed as the first heat insulation space 33 to reduce heat transfer. Optionally, the first heat insulation space 33 is vacuumized or filled with a refrigerant to enhance the heat insulation effect of the first heat insulation space 33.

In other embodiments of the present invention, referring to fig. 13, a second heat insulation space 34 is disposed in an inner wall of the liquid storage assembly 3, and the second heat insulation space 34 is located at an outer side of the liquid storage cavity 31, it can be appreciated that the inner wall of the liquid storage assembly 3 has 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, reduce the thermal expansion of the gaseous refrigerant in the liquid storage cavity 31, and reduce the volume of the gaseous refrigerant when the gaseous refrigerant in the liquid storage cavity 31 flows to the air inlet channel 212, thereby being beneficial to improving the air suction efficiency of the compressor 10.

In some embodiments of the present invention, referring to fig. 1 and 11, the compressor 10 further includes: the motor 7, motor 7 locates installation cavity 11 and cooperates with pump body subassembly 2, and motor 7 can include stator 71 and rotor 72, and stator 71 is fixed in installation cavity 11, and rotor 72 is connected with the bent axle 23 of pump body subassembly 2, and rotor 72 can drive bent axle 23 and rotate, and the stator thickness of motor 7 is Hd, and the internal diameter of casing 1 is Dk, and the height of auxiliary bearing 22 is Hf, satisfies the following relational expression: hf/Dk is more than 0.12 and less than 0.95, and Hf is more than 0.28Hd 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 runs stably and reliably.

For example, the height of the sub-bearing 22 is 30mm, the inner diameter Dk of the housing 1 is 90mm, and the stator thickness Hd of the motor 7 is 50mm.

In some embodiments of the present invention, referring to fig. 1, an oil storage space 111 is provided between the liquid storage assembly 3 and an 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 comprises a crankshaft 23, a mounting blind hole 222 opening towards the cylinder 21 and a first oil return channel 223 communicated with the mounting blind hole 222 are provided on the auxiliary bearing 22, the first oil return channel 223 is communicated with the oil storage space 111, a lower end of the crankshaft 23 rotatably extends into the mounting blind hole 222, the mounting blind hole 222 can support and limit a 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 assembly 2 through the crankshaft 23.

Specifically, an oil guiding 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 guiding channel 231 and the compression cavity 211, the lower end of the oil guiding channel 231 is communicated with the mounting blind hole 222, and an oil applying blade 233 is disposed at the lower end of the oil guiding channel 231, and the oil may submerge the radial oil hole 232, and when the crankshaft 23 rotates, the oil applying blade 233 drives the oil in the mounting 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, a pump body assembly 2 includes: the upper bearing 24, the cylinder 21, the auxiliary bearing 22, the crankshaft 23 and the piston 25 are arranged at the upper end of the cylinder 21, the auxiliary bearing 22 is arranged at the lower end of the cylinder 21, the piston 25 is arranged in the compression cavity 211 of the cylinder 21, the crankshaft 23 rotatably penetrates through the upper bearing 24, the cylinder 21 and the auxiliary bearing 22, the piston 25 is sleeved on the crankshaft 23, and the crankshaft 23 is suitable for driving the piston 25 to move in the compression cavity 211 so as to compress a refrigerant.

In some embodiments of the present invention, the aperture of the first oil return passage 223 is equal to or greater than the inner axial diameter of the crankshaft 23, that is, the aperture of the first oil return passage 223 is equal to or greater than the aperture of the oil guide passage 231, to ensure the oil return effect of the lubricating oil. The first oil return passage 223 may be laterally disposed, and the auxiliary bearing 22 maintains a first gap with the housing 1 at a position of the first oil return passage 223 toward the inner wall of the housing 1, where the first gap is greater than or equal to 0.15d, and d is the minimum inner diameter of the air intake passage 212, so as to ensure a flowing space of the lubricating oil, so that the lubricating oil may smoothly flow into the first oil return passage.

In some embodiments of the present invention, referring to fig. 11, the height Hm of the sub-bearing 22 and the height Hm of the mounting blind hole 222 satisfy the following relation: hm/Hf is greater than or equal to 0.5, and Hf-Hm is greater than or equal to 1.5mm, so as to facilitate machining of the mounting blind hole 222 and ensure structural strength of the auxiliary bearing 22 at the mounting blind hole 222.

In some embodiments of the present invention, the diameter Dm of the mounting blind hole 222 and the outer diameter Dz of the crankshaft 23 satisfy the following relationship: 0 < Dm-Dz.ltoreq.0.2 mm, that is, the crankshaft 23 is clearance fitted with the mounting blind hole 222.

In some embodiments of the present invention, referring to fig. 1, the compressor 10 further includes a second oil return channel 6, an upper end of the second oil return channel 6 is communicated with the air inlet channel 212, and a lower end of the second oil return channel is communicated with a lower space of the liquid storage chamber 31, when the refrigerant passes through the air inlet channel 212, a negative pressure can be formed at the upper end of the second oil return channel 6, so that the lubricating oil in the lower space of the liquid storage chamber 31 can flow into the air inlet channel 212 upwards through the second oil return channel 6, thereby realizing oil return of the lubricating oil, avoiding abrasion caused by the lack of the lubricating oil of the compressor 10, and improving reliability and service life of the compressor 10.

It will be appreciated that the pump body assembly 2 needs to have enough lubricating oil to reduce wear, when the compressor 10 is in operation, part of lubricating oil flows out of the compressor 10 along with the refrigerant, in the process of refrigerant circulation, the refrigerant carries the lubricating oil to enter the compressor 10 and then carries out gas-liquid separation, liquid lubricating oil can enter the liquid storage cavity 31 together with the liquid refrigerant, so as to avoid the lack of lubricating oil in the pump body assembly 2 caused by more lubricating oil in the liquid storage cavity 31, and the negative pressure of the air inlet channel 212 is utilized to suck the lubricating oil in the liquid storage cavity 31 into the compression cavity 211 of the pump body assembly 2 through the arrangement of the second oil return channel 6, thereby ensuring the oil return effect of the lubricating oil and avoiding poor lubrication of the compressor 10.

In some embodiments of the present invention, referring to fig. 1, the second oil return passage 6 includes an oil return pipe 63 and a first communication passage 61 provided in the sub-bearing 22, the first communication passage 61 communicates with the 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 achieve fixation of 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, an oil return port 631 may be provided at a lower end of the oil return pipe 63, and liquid lubricating oil in the liquid storage chamber 31 may enter the oil return pipe 63 through the oil return port 631 and sequentially pass through the first communication passage 61, the second communication passage 62, and the intake passage 212 into the compression chamber 211. It will be appreciated that the density of the liquid lubricant is smaller than that of the liquid refrigerant, 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 by setting the height of the oil return port 631 at the lower end of the oil return pipe 63, the liquid refrigerant can be reduced to enter the air inlet channel 212 through the oil return pipe 63, so as to improve the oil return efficiency, and optionally, the height of the oil return port 631 from the bottom of the liquid storage chamber 31 is 2 mm-10 mm.

Optionally, the value of the inner diameter of the oil return pipe 63 ranges from 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 arranged on the side wall of the lower end of the oil return pipe 63, so as to prevent impurities and liquid refrigerant 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. 10 and 11, 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 as to avoid air sealing of the liquid storage cavity 31 after the gaseous refrigerant enters the liquid storage cavity 31.

Alternatively, the number of vent channels 225 may be one or more, and the cross-sectional area of vent channels 225 may be greater than or equal to (pi 2 mm) ² That is, when the ventilation channel 225 is a circular hole, the diameter of the ventilation channel 225 is greater than or equal to 2mm, so as to ensure that the gaseous refrigerant in the liquid storage chamber 31 can be timely discharged into the compression chamber 211.

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 embodiment of the present invention includes the compressor 10 of the above embodiment. The temperature adjusting device may be an air conditioner, a heat pump, or the like.

According to the temperature regulating device provided by the embodiment of the invention, the liquid storage component 3 of the compressor 10 is arranged in the mounting cavity 11, and the liquid storage component 3 is fixed to the auxiliary bearing 22, so that radial vibration of the compressor 10 can be effectively reduced, the running stability of the compressor 10 is improved, running noise of the compressor 10 is reduced, the production and the manufacture of the compressor 10 are facilitated, the radial occupied space of the compressor 10 is reduced, and further the miniaturization of the temperature regulating device is facilitated.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (14)

1. A compressor, comprising:

a housing defining a mounting cavity;

the pump body assembly is arranged in the mounting cavity and comprises a cylinder and an auxiliary bearing arranged on the cylinder, the cylinder is provided with a compression cavity, and the pump body assembly is provided with an air inlet channel communicated with the compression cavity;

the liquid storage assembly is provided with a liquid storage cavity and is arranged in the installation cavity, and the liquid storage assembly is fixed to the auxiliary bearing.

2. The compressor of claim 1, wherein one end of the liquid storage chamber is provided with an open mouth, and the sub-bearing seals the open mouth of the liquid storage chamber.

3. The compressor of claim 1, wherein the reservoir assembly includes a reservoir housing and an end connector between the reservoir housing and the secondary bearing, the end connector being secured to the secondary bearing.

4. The compressor of claim 1, wherein the reservoir assembly is provided with a mounting plate extending into the reservoir chamber, the mounting plate being connected to the secondary bearing.

5. The compressor of claim 4, wherein the reservoir assembly further comprises a first fixed connection secured to the secondary bearing through the mounting plate or the first fixed connection is secured to the cylinder through the mounting plate and the secondary bearing.

6. The compressor of claim 5, wherein the pump body assembly further comprises an upper bearing and a second fixed connection, the upper bearing is disposed at an upper portion of the cylinder, the auxiliary bearing is disposed at a lower portion of the cylinder, the upper bearing is provided with a first mounting hole, the cylinder is provided with a second mounting hole, the auxiliary bearing is provided with a third mounting hole, the mounting plate is provided with a fourth mounting hole, and the second fixed connection passes through the first mounting hole and cooperates with the second mounting hole to fixedly connect the upper bearing and the cylinder;

the first fixed connecting piece passes through the fourth mounting hole and the third mounting hole and is matched with the second mounting hole to fixedly connect the liquid storage assembly, the auxiliary bearing and the air cylinder.

7. The compressor of claim 1, further comprising a thermal shield disposed within the liquid storage chamber, the thermal shield defining a liquid storage space therein for containing a liquid.

8. The compressor of claim 7, wherein a first insulating space is provided between the heat shield and an inner wall of the liquid storage chamber.

9. The compressor of claim 1, wherein a second insulating space is provided in an inner wall of the liquid storage assembly, the second insulating space being located outside the liquid storage chamber.

10. The compressor of claim 1, further comprising a motor disposed in the mounting cavity and cooperating with the pump body assembly, the stator thickness of the motor being Hd, the inner diameter of the housing being Dk, the height of the auxiliary bearing being Hf, satisfying the relationship: hf/Dk is more than 0.12 and less than 0.95, hf is more than 0.28Hd and less than or equal to Hd.

11. The compressor of claim 1, wherein an oil storage space is provided between the liquid storage assembly and an inner wall of the mounting cavity, the pump body assembly comprises a crankshaft, 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.

12. The compressor of any one of claims 1 to 11, further comprising a second oil return passage, an upper end of the second oil return passage communicating with the intake passage and a lower end of the second oil return passage communicating with a lower space of the reservoir.

13. The compressor of claim 12, wherein the second oil return passage includes an oil return pipe and a first communication passage provided in the sub-bearing, the first communication passage being communicated with the air intake passage through a second communication passage provided on the cylinder, an upper end of the oil return pipe being inserted into the first communication passage, a lower end of the oil return pipe extending to a lower portion of the liquid storage chamber.

14. A temperature regulating device comprising a compressor according to any one of claims 1-13.