CN108894988B - Compressor and air conditioning system - Google Patents
Compressor and air conditioning system Download PDFInfo
- Publication number
- CN108894988B CN108894988B CN201810916878.8A CN201810916878A CN108894988B CN 108894988 B CN108894988 B CN 108894988B CN 201810916878 A CN201810916878 A CN 201810916878A CN 108894988 B CN108894988 B CN 108894988B
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- Prior art keywords
- compressor
- cylinder
- inlet channel
- air inlet
- control valve
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 7
- 230000006698 induction Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 239000003507 refrigerant Substances 0.000 description 6
- 239000010726 refrigerant oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The application provides a compressor and an air conditioning system. The compressor includes: the pump body assembly comprises a lower flange and a first cylinder, a sliding sheet is arranged in the first cylinder, and a notch is formed in the bottom of the sliding sheet; be provided with first inlet channel and second inlet channel on the lower flange, first inlet channel communicates with the induction port of first cylinder, and second inlet channel communicates with the second export, and the compressor still includes: the locking component is arranged on the lower flange and comprises a locking piece, the locking piece is provided with a first position which is inserted into the notch and cuts off the first air inlet channel and the second air inlet channel, and the locking piece is also provided with a second position which is separated from the notch and enables the first air inlet channel and the second air inlet channel to be communicated. The application solves the problem of abnormal abrasion caused by oil shortage in the compressor due to the fact that a large amount of frozen oil exists in the liquid dispenser when the liquid dispenser is in oil pumping operation of a single cylinder of the compressor.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a compressor and an air conditioning system.
Background
At present, in order to meet the requirements of users on high efficiency, energy conservation and comfort of air conditioning products, a variable-capacity compressor is adopted on the market to replace a traditional variable-frequency compressor, the variable-capacity compressor has two operation modes of a single cylinder and a double cylinder, when the load of the air conditioning is small, the single-cylinder operation mode is adopted, the requirements of the lowest load and high energy efficiency of the users are met, when the load of the air conditioning is large, the double-cylinder operation mode is adopted, the requirement of large cold capacity of the users is met, the current variable-capacity compressor mainly uses pins to control the single cylinder or the double cylinders of the compressor to operate, when the pins lock a sliding vane, the lower cylinder idles, the compressor realizes single-cylinder operation, and when the pins return, the double cylinders of the compressor operate.
However, when the single cylinder of the compressor runs, the interior of the empty cylinder is low pressure, the interior of the shell is high pressure, and due to the action of pressure difference, the refrigerant oil in the interior of the shell can enter the empty cylinder through a gap between the pump bodies, when the single cylinder of the compressor runs, the interior of the liquid separator is low pressure, the refrigerant oil in the empty cylinder enters the liquid separator through a straight pipe communicated with the liquid separator, and at the moment, a large amount of refrigerant oil exists in the liquid separator, and the phenomenon of oil shortage occurs in the interior of the compressor, so that abnormal abrasion is easily caused when the single cylinder of the variable capacity compressor runs.
Disclosure of Invention
The application mainly aims to provide a compressor and an air conditioning system, which are used for solving the problem that the compressor in the prior art is easy to wear abnormally.
In order to achieve the above object, according to one aspect of the present application, there is provided a compressor comprising: the shell assembly is surrounded to form an installation cavity; the pump body assembly is arranged in the mounting cavity and comprises a crankshaft, a first cylinder, a second cylinder, an upper flange and a lower flange, wherein the first cylinder and the second cylinder are sleeved on the crankshaft, the second cylinder is positioned above the first cylinder, the upper flange is sleeved on the crankshaft and positioned on the upper end face of the second cylinder, the lower flange is sleeved on the crankshaft and positioned on the lower end face of the first cylinder, a sliding sheet is arranged in the first cylinder, and a notch is arranged at the bottom of the sliding sheet; the liquid distributor is arranged outside the shell assembly and comprises a first outlet and a second outlet, and the first outlet is connected with an air suction port of the second cylinder; the air outlet of the variable capacity component is communicated with the back cavity of the sliding sheet; be provided with first inlet channel and second inlet channel on the lower flange, first inlet channel with the induction port intercommunication of first cylinder, the second inlet channel with the second export intercommunication, the compressor still includes: the locking assembly is installed on the lower flange and comprises a locking piece, the locking piece is provided with a first position which is inserted into the notch and cuts off the first air inlet channel and the second air inlet channel, and the locking piece is further provided with a second position which is separated from the notch and enables the first air inlet channel and the second air inlet channel to be communicated.
Further, a mounting hole is formed in the lower flange, the locking piece is mounted in the mounting hole, the first air inlet channel and the second air inlet channel are communicated with the mounting hole, and a connecting hole is formed in the locking piece; the locking piece moves along the mounting hole, and when the locking piece moves to enable the connecting hole to be communicated with the first air inlet channel and the second air inlet channel, the locking piece is located at a second position; when the locking piece moves to enable the connecting hole to stagger the first air inlet channel and the second air inlet channel, the locking piece is in a first position.
Further, the locking piece is a locking pin.
Further, the mounting hole extends in the thickness direction of the lower flange, and the connection hole is perpendicular to the length direction of the locking piece.
Further, the locking assembly further comprises an elastic element mounted in the mounting hole and located at the bottom of the locking piece.
Further, the elastic element is a spring or an elastic rubber pad.
Further, a channel is arranged on the lower flange, a first end of the channel is communicated with the second air inlet channel, and a second end of the channel is communicated with the bottom of the mounting hole.
Further, the dispenser further includes a suction inlet, an exhaust pipe is provided at a top of the housing assembly, and the compressor further includes: a first control valve, a first end of which is communicated with the air suction inlet, and a second end of which is communicated with the suction inlet of the variable-volume component; and the first end of the second control valve is communicated with the exhaust pipe, and the second end of the second control valve is communicated with the suction inlet of the variable-volume part.
Further, the compressor includes a single cylinder mode of operation when the compressor is in the single cylinder mode of operation: the first control valve is in an open state, the second control valve is in a closed state, and the locking member is in the first position.
Further, the compressor includes a dual cylinder mode of operation when the compressor is in the dual cylinder mode of operation: the first control valve is in a closed state, the second control valve is in an open state, and the locking member is in the second position.
Further, the first control valve and the second control valve are both electromagnetic valves.
According to another aspect of the present application, there is provided an air conditioning system including a compressor, the compressor being the compressor described above.
By applying the technical scheme of the application, as the locking piece has two positions in operation, when the locking piece is positioned at the second position, the locking piece is far away from the notch on the sliding sheet, the locking piece can enable the first air inlet channel to be communicated with the second air inlet channel, and the refrigerant at the second outlet of the liquid separator can enter the first cylinder to be compressed, so that the compressor is in a double-cylinder operation mode.
When the locking piece is in the first position, the locking piece is inserted in the notch of the sliding vane, at the moment, the first cylinder is an empty cylinder, the compressor is in a single-cylinder operation mode, the locking piece can separate the first air inlet channel from the second air inlet channel, and the first cylinder cannot be communicated with the second outlet of the liquid separator, so that the refrigerating oil of the first cylinder enters the channel in the liquid separator when the single cylinder operation of the compressor is blocked, and the problem of abnormal abrasion caused by the fact that a large amount of refrigerating oil is leaked in the straight pipe of the liquid separator and the inside of the compressor due to the fact that the refrigerating oil is lacked when the single cylinder operation of the compressor is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 schematically illustrates a cross-sectional view of the compressor of the present application in a single cylinder mode of operation;
fig. 2 schematically shows an enlarged view of region a in fig. 1;
FIG. 3 schematically illustrates a cross-sectional view of the compressor of the present application in a dual cylinder mode of operation;
fig. 4 schematically shows an enlarged view of region B in fig. 3.
Wherein the above figures include the following reference numerals:
10. a housing assembly; 11. an exhaust pipe; 20. a pump body assembly; 21. a first cylinder; 211. a sliding sheet; 212. a notch; 22. a second cylinder; 23. an upper flange; 24. a lower flange; 241. a first air intake passage; 242. a second intake passage; 243. a channel; 244. a mounting hole; 25. a lower cover plate; 26. a partition plate; 27. a crankshaft; 30. a knockout; 31. a first outlet; 32. a second outlet; 33. a suction inlet; 40. a variable capacitance element; 50. a locking assembly; 51. a locking member; 511. a connection hole; 52. an elastic element; 60. a first control valve; 70. a second control valve; 80. and a motor assembly.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1 to 4, according to an embodiment of the present application, there is provided a compressor, particularly a twin-cylinder compressor, which includes a housing assembly 10, a pump body assembly 20, a motor assembly 80, a dispenser 30, a variable capacity member 40, and a locking assembly 50.
The shell assembly 10 comprises a cylinder, an upper cover and a lower cover, wherein the upper cover is welded and fixed on the top of the cylinder, and the lower cover is welded and fixed on the bottom of the cylinder to form an installation cavity; the pump body assembly 20 and the motor assembly 80 are both mounted within the mounting cavity.
The pump body assembly 20 comprises a crankshaft 27, a first cylinder 21, a second cylinder 22, an upper flange 23, a lower flange 24, a lower cover plate 25 and a partition plate 26, wherein the first cylinder 21 and the second cylinder 22 are sleeved on the crankshaft 27 and are separated through the partition plate 26, the second cylinder 22 is located above the first cylinder 21, the upper flange 23 is sleeved on the crankshaft 27 and is located on the upper end face of the second cylinder 22, a silencer is arranged on the upper flange 23, the lower flange 24 is sleeved on the crankshaft 27 and is located on the lower end face of the first cylinder 21, a sliding sheet 211 is arranged in the first cylinder 21, a notch 212 is formed in the bottom of the sliding sheet 211, the lower end face of the lower flange 24 is covered with the lower cover plate 25, and when the pump body assembly is installed, the first cylinder 21 and the second cylinder 22 are fixed on the crankshaft 27 through bolts penetrating through the lower cover plate 25, the lower flange 24, the partition plate 26, the first cylinder 21, the second cylinder 22 and the upper flange 23.
The motor assembly 80 includes a stator mounted above the pump body assembly 20 and a rotor mounted inside the stator and drivingly connected to the crankshaft 27.
The dispenser 30 is disposed outside the housing assembly 10, and the dispenser 30 includes a first outlet 31 and a second outlet 32, and the first outlet 31 is connected to the suction port of the second cylinder 22 to facilitate the delivery of the refrigerant to the second cylinder 22.
The variable capacity component 40 is arranged outside the shell component 10, the air outlet of the variable capacity component 40 is communicated with the back cavity of the sliding vane 211 in the first cylinder 21, and under the action of the variable capacity component 40, the sliding vane 211 is conveniently driven to move in a matched mode with the locking component 50 so that the compressor can be switched between a single-cylinder operation mode or a double-cylinder operation mode.
Just like the record in the prior art, the lower gleitbretter of current double-cylinder compressor sets up a breach, sets up a pin in the gleitbretter bottom, and the pin back is equipped with the spring with compressor lower cylinder induction port intercommunication, pin back, and the pin back is in low pressure state all the time, and when the pin head was low pressure, because receive spring force effect, the gleitbretter under the dead gleitbretter of pin lock, lower gleitbretter returns the cylinder gleitbretter groove, and lower cylinder does not produce the compression, and the compressor is single cylinder mode of operation. When the head of the pin is at high pressure, the pin is retracted to the lower flange under the action of the high pressure on the head of the pin, the back of the lower sliding vane is contacted with the roller under the action of the high pressure, the lower cylinder is restored to normal operation, and the compressor is in a double-cylinder operation mode. However, when the compressor is in a single-cylinder running mode, the interior of the empty cylinder is low pressure, the interior of the shell is high pressure, and due to the action of pressure difference, the refrigerant oil in the interior of the shell can enter the empty cylinder through a gap of the pump body component, when the compressor is in single-cylinder running, the interior of the liquid separator is low pressure, the refrigerant oil in the empty cylinder enters the liquid separator through a straight pipe communicated with the liquid separator, and at the moment, a large amount of refrigerant oil exists in the liquid separator, so that the oil shortage phenomenon occurs in the interior of the compressor, and abnormal abrasion is easily caused when the variable-capacity compressor is in single-cylinder running. In order to solve the defects of the existing variable capacity compressor, the structure of the compressor is improved.
Specifically, the lower flange 24 in the present embodiment is provided with a first air intake passage 241 and a second air intake passage 242, the first air intake passage 241 communicating with the intake port of the first cylinder 21, and the second air intake passage 242 communicating with the second outlet 32 of the dispenser 30.
The locking assembly 50 is mounted on the lower flange 24, and the locking assembly 50 in this embodiment includes a locking member 51 having a first position inserted in the notch 212 and blocking the first air intake passage 241 and the second air intake passage 242, and a second position disengaged from the notch 212 and allowing the first air intake passage 241 and the second air intake passage 242 to communicate with each other.
As can be seen from the above embodiment, since the locking member 51 has two positions in operation in the present embodiment, when the locking member 51 is in the second position, the locking member 51 is far away from the notch 212 on the sliding vane 211, the locking member 51 can enable the first air inlet channel 241 and the second air inlet channel 242 to communicate, and the refrigerant at the second outlet 32 of the liquid separator 30 can enter into the first cylinder 21 for compression, so that the compressor is in the double cylinder operation mode.
When the locking piece 51 is at the first position, the locking piece 51 is inserted into the notch 212 of the sliding vane 211, at this time, the first air cylinder 21 is an idle air cylinder, the compressor is in a single-cylinder operation mode, the locking piece 51 can separate the first air inlet channel 241 from the second air inlet channel 242, the first air cylinder 21 cannot be communicated with the second outlet 32 of the liquid separator 30, so that when the compressor is in single-cylinder operation, the refrigerating oil of the first air cylinder 21 enters the channel in the liquid separator 30, and the problem of abnormal abrasion caused by the fact that when the compressor is in single-cylinder operation, the liquid separator 30 is in a straight pipe with a large amount of refrigerating oil, and the inside of the compressor is in a shortage of the refrigerating oil is solved.
As shown in fig. 1 and 2, the lower flange 24 in this embodiment is provided with a mounting hole 244, the locking member 51 is mounted in the mounting hole 244, the first air inlet channel 241 and the second air inlet channel 242 are both communicated with the mounting hole 244, and the locking member 51 is provided with a connecting hole 511; in operation, the locking member 51 moves along the mounting hole 244, and when the locking member 51 moves to communicate the connection hole 511 with both the first air intake passage 241 and the second air intake passage 242, the locking member 51 is in the second position; when the locking piece 51 moves to the position that the connecting hole 511 is staggered from the first air inlet channel 241 and the second air inlet channel 242, the locking piece 51 is in the first position, and the structure is simple and the processing is convenient.
Preferably, the locking member 51 in this embodiment is a locking pin, which is easy to insert into the notch 212 on the sliding piece 211. Of course, in other embodiments of the present application, the locking member 51 may be provided in other rod-shaped structures, and any other modifications within the spirit of the present application are within the scope of the present application.
As shown in fig. 1 to 4, the mounting hole 244 extends along the thickness direction of the lower flange 24, the connection hole 511 is perpendicular to the length direction of the locking member 51, when the refrigerant in the liquid dispenser 30 enters the connection hole 511, the refrigerant flows horizontally, and the locking member 51 is prevented from shaking due to the axial impact force of the refrigerant when the connection hole 511 is obliquely provided with the locking member 51, so that noise is generated.
The locking assembly 50 in this embodiment further includes a resilient member 52, the resilient member 52 being mounted within the mounting hole 244 and located at the bottom of the locking member 51 to facilitate switching the locking pin between the first and second positions. Preferably, the elastic element 52 in this embodiment is a spring or an elastic rubber pad, and has a simple structure and is convenient to set.
The lower flange 24 in this embodiment is provided with a channel 243, a first end of the channel 243 is communicated with the second air inlet channel 242, and a second end of the channel 243 is communicated with the bottom of the mounting hole 244, so that the locking member 51 is conveniently switched to the first position under the action of the auxiliary spring.
In order to facilitate control of the operation mode of the compressor, the compressor in this embodiment further comprises a first control valve 60 and a second control valve 70, the dispenser 30 further comprises a suction inlet 33, and the top of the housing assembly 10 is provided with a discharge pipe 11. When connected, the first end of the first control valve 60 communicates with the intake air inlet 33, the second end of the first control valve 60 communicates with the inlet of the variable-volume member 40, the first end of the second control valve 70 communicates with the exhaust pipe 11, and the second end of the second control valve 70 communicates with the intake port of the variable-volume member 40.
When the compressor is in the single cylinder mode of operation: the first control valve 60 is in an open state, the second control valve 70 is in a closed state, and the locking member 51 is in a first position. When the low-pressure-level gas enters the head of the locking piece 51, the tail of the locking piece 51 is always at low pressure when the compressor actually runs, as shown in fig. 1 and 2, when the head of the locking piece 51 is at low pressure, the sliding vane 211 retreats to the sliding vane groove of the first cylinder 21, the locking piece 51 locks the sliding vane 211 under the action of spring force, the first cylinder 21 does not generate compression, the compressor is in a single-cylinder running mode, meanwhile, after the locking piece 51 locks the sliding vane 211 under the action of spring force, the connecting hole 511 in the middle of the locking piece 51 cannot be communicated with the first air inlet channel 241 and the second air inlet channel 242 arranged on the lower flange, the locking piece 51 blocks the first air inlet channel 241 and the second air inlet channel 242, and the first cylinder 21 cannot be communicated with the second outlet 32 of the liquid separator 30, so that the freezing oil of an empty cylinder enters the channel in the liquid separator 30 when the compressor runs in a single cylinder, and the abnormal abrasion problem caused by the fact that a large amount of freezing oil exists in the liquid separator 30 and the compressor runs in the single cylinder is solved.
When the compressor is in the two-cylinder operation mode: the first control valve 60 is in a closed state, the second control valve 70 is in an open state, and the locking member 51 is in a second position. The high-pressure gas enters the head of the locking piece 51, the head of the locking piece 51 is high-pressure, when the head of the locking piece 51 is high-pressure, the back of the locking piece 211 is low-pressure gas, the back of the sliding piece 211 is contacted with the roller under the action of high pressure, and the locking piece 51 is retracted into the mounting hole 244 of the lower flange 24 under the action of high pressure due to the action of the head of the locking piece 51, as shown in fig. 4, at the moment, the first air inlet channel 241 and the second air inlet channel 242 on two sides of the mounting hole 244 of the lower flange 24 are communicated, the compressor is recovered to normally suck air, the first air cylinder 21 is normally operated, and the compressor is in a double-cylinder operation mode.
Preferably, the first control valve 60 and the second control valve 70 in this embodiment are both solenoid valves.
According to another aspect of the present application, there is provided an air conditioning system including a compressor, which is the compressor of the above embodiment.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
the application provides a novel double-cylinder variable-capacity compressor, when the compressor is in a single-cylinder operation mode, a communication channel between a first cylinder and a liquid separator is blocked by a locking piece, so that the frozen oil of the first cylinder cannot enter the liquid separator, and the phenomenon that the liquid separator is in straight pipe oil leakage when the compressor is in the single-cylinder operation mode is solved; when the compressor is in a double-cylinder operation mode, the locking piece retreats, and the connecting hole arranged on the locking piece is communicated with the first air inlet channel and the second air inlet channel straight pipe, so that the normal air suction of the double cylinders of the compressor is realized.
The compressor solves the abnormal problem of oil shortage and abrasion of the compressor caused by oil leakage of the straight pipe of the liquid distributor when the single cylinder of the existing double-cylinder variable capacity compressor runs, and has simple structure and high feasibility.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (12)
1. A compressor, comprising:
a housing assembly (10), the housing assembly (10) enclosing a mounting cavity;
the pump body assembly (20), the pump body assembly (20) is installed in the installation cavity, the pump body assembly (20) comprises a crankshaft (27), a first cylinder (21), a second cylinder (22), an upper flange (23) and a lower flange (24), the first cylinder (21) and the second cylinder (22) are all sleeved on the crankshaft (27), the second cylinder (22) is located above the first cylinder (21), the upper flange (23) is sleeved on the crankshaft (27) and located on the upper end face of the second cylinder (22), the lower flange (24) is sleeved on the crankshaft (27) and located on the lower end face of the first cylinder (21), a sliding sheet (211) is arranged in the first cylinder (21), and a notch (212) is formed in the bottom of the sliding sheet (211).
A dispenser (30), the dispenser (30) being disposed outside the housing assembly (10), the dispenser (30) comprising a first outlet (31) and a second outlet (32), the first outlet (31) being connected with the suction port of the second cylinder (22);
the air outlet of the variable capacity component (40) is communicated with the back cavity of the sliding sheet (211);
the compressor is characterized in that a first air inlet channel (241) and a second air inlet channel (242) are arranged on the lower flange (24), the first air inlet channel (241) is communicated with an air suction port of the first air cylinder (21), the second air inlet channel (242) is communicated with the second outlet (32), and the compressor further comprises:
the locking assembly (50), the locking assembly (50) is installed on the lower flange (24), the locking assembly (50) comprises a locking piece (51), the locking piece (51) is provided with a first position which is inserted into the notch (212) and cuts off the first air inlet channel (241) and the second air inlet channel (242), and the locking piece (51) is further provided with a second position which is separated from the notch (212) and enables the first air inlet channel (241) and the second air inlet channel (242) to be communicated.
2. The compressor of claim 1, wherein a mounting hole (244) is provided in the lower flange (24), the locking member (51) is mounted in the mounting hole (244), the first air inlet channel (241) and the second air inlet channel (242) are both communicated with the mounting hole (244), and a connecting hole (511) is provided in the locking member (51);
the locking piece (51) moves along the mounting hole (244), and when the locking piece (51) moves to enable the connecting hole (511) to be communicated with the first air inlet channel (241) and the second air inlet channel (242), the locking piece (51) is at a second position; when the locking piece (51) moves to enable the connecting hole (511) to be staggered with the first air inlet channel (241) and the second air inlet channel (242), the locking piece (51) is in a first position.
3. Compressor according to claim 1, characterized in that the locking element (51) is a locking pin.
4. The compressor according to claim 2, wherein the mounting hole (244) extends in a thickness direction of the lower flange (24), and the connection hole (511) is provided perpendicular to a length direction of the locking member (51).
5. The compressor of claim 2, wherein the locking assembly (50) further comprises a resilient element (52), the resilient element (52) being mounted within the mounting hole (244) and being located at a bottom of the locking member (51).
6. Compressor according to claim 5, characterized in that the elastic element (52) is a spring or an elastic rubber pad.
7. The compressor of claim 2, wherein a channel (243) is provided on the lower flange (24), a first end of the channel (243) being in communication with the second air intake channel (242), a second end of the channel (243) being in communication with a bottom of the mounting hole (244).
8. The compressor according to any one of claims 1 to 7, wherein the liquid separator (30) further comprises a suction inlet (33), the top of the housing assembly (10) being provided with a discharge pipe (11), the compressor further comprising:
a first control valve (60), a first end of the first control valve (60) being in communication with the suction inlet (33), a second end of the first control valve (60) being in communication with the suction inlet of the variable-volume part (40);
and a second control valve (70), wherein a first end of the second control valve (70) is communicated with the exhaust pipe (11), and a second end of the second control valve (70) is communicated with the suction inlet of the variable capacity component (40).
9. The compressor of claim 8, wherein the compressor includes a single cylinder mode of operation when the compressor is in the single cylinder mode of operation: the first control valve (60) is in an open state, the second control valve (70) is in a closed state, and the locking member (51) is in the first position.
10. The compressor of claim 8, wherein the compressor includes a dual cylinder mode of operation when the compressor is in the dual cylinder mode of operation: the first control valve (60) is in a closed state, the second control valve (70) is in an open state, and the locking member (51) is in the second position.
11. The compressor of claim 8, wherein the first control valve (60) and the second control valve (70) are each solenoid valves.
12. An air conditioning system comprising a compressor, wherein the compressor is a compressor as claimed in any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916878.8A CN108894988B (en) | 2018-08-13 | 2018-08-13 | Compressor and air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110307162B (en) * | 2019-06-21 | 2024-12-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner having the same |
| CN110671327B (en) * | 2019-08-23 | 2020-11-24 | 珠海格力电器股份有限公司 | Double-cylinder variable-capacity compressor and control method |
| CN110578689A (en) * | 2019-10-21 | 2019-12-17 | 珠海格力电器股份有限公司 | Compressor and air conditioning system with same |
| CN110925178B (en) * | 2019-11-07 | 2020-11-13 | 珠海格力电器股份有限公司 | Variable-capacity compressor, control method and device thereof, controller and heat pump system |
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