CN210033828U - Compressor and refrigeration cycle device with same - Google Patents
Compressor and refrigeration cycle device with same Download PDFInfo
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- CN210033828U CN210033828U CN201920770214.5U CN201920770214U CN210033828U CN 210033828 U CN210033828 U CN 210033828U CN 201920770214 U CN201920770214 U CN 201920770214U CN 210033828 U CN210033828 U CN 210033828U
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims abstract description 43
- 230000006835 compression Effects 0.000 claims description 58
- 238000007906 compression Methods 0.000 claims description 58
- 238000005192 partition Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
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Abstract
The utility model provides a compressor and have its refrigeration cycle device. The compressor includes: the exhaust device comprises a first cavity, a first-stage exhaust hole, a first channel, a first-stage exhaust pipe, a first-stage exhaust port, a second-stage exhaust hole, a second channel and a second cavity, wherein the first cavity, the first-stage exhaust hole and the second-stage exhaust hole are arranged in the first cavityThe sum of the volumes of the hole, the primary exhaust port, the first channel and the primary exhaust pipe is V1The minimum cross-sectional area of the primary vent hole is S1(ii) a The sum of the volumes of the secondary exhaust port, the secondary exhaust hole, the second channel and the second cavity is V2The minimum cross-sectional area of the secondary vent hole is S2(ii) a The volume of the vapor-supplementing enthalpy-increasing channel is V3，(V2/V1+V3)/(S2/S1) The value of (A) is 0.05 to 0.55. The utility model provides a refrigerant circulation passageway of compressor can greatly reduce the flow resistance loss of refrigerant, can show the improvement the utility model provides a performance of compressor.
Description
Technical Field
The utility model relates to a refrigeration cycle equipment technical field particularly, relates to a compressor and have its refrigeration cycle device.
Background
The compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is the heart of a refrigeration system. The refrigerant gas of low temperature and low pressure is sucked from the air suction pipe, and after the refrigerant is compressed by the operation of the motor, the refrigerant gas of high temperature and high pressure is discharged to the exhaust pipe, so as to provide power for the refrigeration cycle.
CO2When the refrigerant is circulated in the compressor, it receives CO2Physical influences, such as a large pressure difference, cause a large flow loss of the refrigerant inside the compressor, and further cause CO utilization2The compressibility as a refrigerant is reduced.
In the prior art, the refrigerants used by the compressor are mainly R410A, R32, R134a and the like, and the applied compressor is mainly a single-stage single-cylinder or single-stage double-cylinder compressor, so that the flow channel parameters designed by the existing compressor are not completely suitable for CO2The two-stage enthalpy-increasing compressor has a limited range of improving the performance of the compressor.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a compressor and a refrigeration cycle apparatus having the same, in order to solve the problem of large flow resistance loss of the refrigerant in the compressor in the prior art.
To achieve the aboveObject, according to an aspect of the present invention, there is provided a compressor, including: the shell component is enclosed to form a cavity, and a primary exhaust pipe is arranged at the top of the shell component; the pump body comprises a crankshaft, a primary compression part, a secondary compression part and a partition plate, wherein the primary compression part and the secondary compression part are both arranged on the crankshaft, and the primary compression part is placed on the secondary compression part and is separated from the secondary compression part through the partition plate; the first-stage compression part comprises an upper flange and a first-stage cylinder, a first cavity is arranged on the upper flange, and the volume of the first cavity is V11The upper flange is provided with a primary exhaust hole communicated with the first cavity, and the volume of the primary exhaust hole is V12The first-stage cylinder is provided with a first-stage exhaust port communicated with the first cavity, and the volume of the first-stage exhaust port is V13The cavity is positioned between the upper flange and the primary exhaust pipe and is provided with a first channel capable of accommodating a primary compression refrigerant and a gas-supplementing enthalpy-increasing refrigerant, and the sum of the volumes of the first channel and the primary exhaust pipe is V14，V11+V12+V13+V14＝V1The minimum cross section area of the primary exhaust hole is S1(ii) a The second-stage compression part comprises a lower flange and a second-stage cylinder, a second-stage exhaust port is arranged on the second-stage cylinder, a second cavity and a second-stage exhaust hole communicated with the second cavity are arranged on the lower flange, a second channel communicated with the second-stage exhaust port is arranged on the lower flange, and the sum of the volumes of the second cavity and the second-stage exhaust hole is V22The volume of the secondary exhaust port is V21Volume of the second passage is V23， V21+V22+V23＝V2The minimum cross-sectional area of the secondary exhaust hole is S2(ii) a An enthalpy-increasing channel disposed on the housing assembly and communicated with the cavity, the enthalpy-increasing channel having a volume V3(ii) a Wherein (V)2/V1+V3) /(S2/S1) The value of (A) is 0.05 to 0.55.
Further, (V)2/V1+V3)/(S2/S1) The value of (A) is 0.25 to 0.35.
Further, be provided with the one-level intake pipe on the shell subassembly, be provided with one-level inlet channel on the upper flange, be provided with on the one-level cylinder with the one-level air inlet of the compression chamber intercommunication of one-level cylinder, the one-level intake pipe with one-level inlet channel intercommunication, one-level inlet channel with one-level air inlet intercommunication.
Further, a second-stage air inlet pipe is arranged on the shell component, a second-stage air inlet channel is arranged on the lower flange, a second-stage air inlet communicated with a compression cavity of the second-stage air cylinder is arranged on the second-stage air cylinder, the second-stage air inlet pipe is communicated with the second-stage air inlet channel, and the second-stage air inlet channel is communicated with the second-stage air inlet.
Further, the one-level compression part is still including being located inside one-level roller and the one-level slide subassembly of one-level cylinder, the one-level roller cover is established on the one-level eccentric block of bent axle, be provided with first spout on the one-level cylinder, one-level slide subassembly is installed in the first spout.
Further, the second-stage compression part further comprises a second-stage roller and a second-stage sliding piece assembly which are located inside the second-stage cylinder, the second-stage roller is sleeved on the second-stage eccentric block of the crankshaft, a second sliding groove is formed in the second-stage cylinder, and the second-stage sliding piece assembly is installed in the second sliding groove.
Further, a second-stage exhaust pipe is arranged on the shell component and communicated with the second-stage exhaust hole.
According to another aspect of the present invention, there is provided a refrigeration cycle apparatus, including a compressor, the compressor being the above-mentioned compressor.
Further, the refrigeration cycle apparatus includes an intercooler connected between a primary discharge pipe and a secondary intake pipe of the compressor.
Further, the refrigeration cycle device further comprises a gas cooler, an economizer, a throttling mechanism and an evaporator, wherein the gas cooler, the economizer, the throttling mechanism and the evaporator are sequentially connected between a secondary exhaust pipe and a primary air inlet pipe of the compressor, and an outlet of the economizer is connected with an air-supplying enthalpy-increasing channel.
Use the technical scheme of the utility model, during the actual operation, the utility model provides a refrigerant of compressor especially can be CO2The refrigerant enters the primary cylinder, enters a first cavity on the upper flange from a primary exhaust port after being compressed, then enters the cavity from the primary exhaust port, is discharged from the primary exhaust pipe together with a backpressure refrigerant formed by the refrigerant entering from the air-supplying enthalpy-increasing channel, is conveyed to the secondary cylinder by utilizing a conveying channel and the like for secondary compression, enters a second channel from a secondary exhaust port after the secondary compression, then enters the second cavity, and finally is discharged from the secondary exhaust port. The utility model provides a compressor (V)2/V1+V3)/(S2/S1) The value of (2) is 0.05-0.55, at the moment, the flow resistance loss of the refrigerant flowing channel of the compressor to the refrigerant can be greatly reduced, and the performance of the compressor in the embodiment can be obviously improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view showing a connection relationship of a refrigeration cycle apparatus of the present invention;
figure 2 schematically shows a cross-sectional view of a compressor of the present invention;
fig. 3 schematically shows a perspective view of an upper flange of the present invention;
fig. 4 schematically shows a front view of an upper flange of the present invention;
FIG. 5 schematically shows a partial view of the section A-A in FIG. 4;
fig. 6 schematically shows a perspective view of a primary cylinder of the present invention;
fig. 7 schematically shows a front view of the primary cylinder of the present invention;
FIG. 8 schematically illustrates a cross-sectional view B-B of FIG. 7;
fig. 9 schematically shows a perspective view of a secondary cylinder of the present invention;
figure 10 schematically illustrates a perspective view of the lower flange of the present invention;
fig. 11 schematically shows a partial cross-sectional view of a primary compression section of the present invention;
fig. 12 schematically shows a compressor performance graph according to the present invention.
Wherein the figures include the following reference numerals:
10. a housing assembly; 11. a cavity; 20. a pump body; 21. a crankshaft; 211. a first-stage eccentric block; 212. a secondary eccentric block; 22. a first-stage compression section; 221. an upper flange; 2211. a first cavity; 2212. a primary vent hole; 2213. a primary air intake passage; 222. a primary cylinder; 2221. a primary exhaust port; 2222. a primary air inlet; 2223. a first chute; 223. a first-stage roller; 224. A primary slide assembly; 225. a first channel; 226. a primary exhaust pipe; 227. a first-stage air inlet pipe; 23. a secondary compression section; 231. a lower flange; 2311. a second cavity; 2312. a secondary exhaust hole; 2313. a second channel; 2314. a secondary air intake passage; 232. a secondary cylinder; 2321. a secondary exhaust port; 2322. a secondary air inlet; 2323. a second chute; 233. a secondary roller; 234. a secondary slide assembly; 235. a secondary exhaust pipe; 236. a secondary air inlet pipe; 237. a cover plate; 24. a partition plate; 26. A motor; 80. a vapor-supplementing and enthalpy-increasing channel; 30. an intercooler; 40. a gas cooler; 50. an economizer; 60. a throttle mechanism; 70. an evaporator.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction 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 example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship 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 of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 2 to 12, according to an embodiment of the present invention, a compressor is provided, and the compressor in this embodiment includes a housing assembly 10, a pump body 20, and an air-supply enthalpy-increasing channel 80.
The housing assembly 10 includes a housing, an upper cover disposed on the top of the housing, and a lower cover disposed on the bottom of the housing, the housing assembly 10 encloses the cavity 11, and a first-stage exhaust pipe 226 is disposed on the top of the housing assembly 10 to facilitate discharging the refrigerant compressed by the first stage of the compressor.
The pump body 20 includes a crankshaft 21, a first-stage compression portion 22, a second-stage compression portion 23, a partition 24, and a motor 26, wherein the first-stage compression portion 22 and the second-stage compression portion 23 are both mounted on the crankshaft 21, and the first-stage compression portion 22 is placed on the second-stage compression portion 23 and is separated from the second-stage compression portion 23 by the partition 24.
Specifically, the primary compression part 22 includes an upper flange 221 and a primary cylinder 222, the upper flange 221 is provided with a first cavity 2211 capable of accommodating the refrigerant compressed by the primary cylinder 222, and the first cavity 2211 has a volume V11The upper flange 221 is provided with a primary vent 2212 communicated with the first cavity 2211, the primary vent 2212 is communicated with the first cavity 2211, and the volume of the primary vent 2212 is V12The primary cylinder 222 is provided with a primary exhaust port 2221 communicated with the first cavity 2211, and the primary exhaust port 2221 is located at the inner circular edge of the primary cylinder 222 and is shaped as an inclined notch or other types of structures. The primary vent 2221 has a volume V13The cavity 11 is provided with a first channel 225 for accommodating a first-stage compressed and vapor-supplemented enthalpy-increasing refrigerant at a position between the upper flange 221 and the first-stage discharge pipe 226, and the sum of the volumes of the first channel 225 and the first-stage discharge pipe 226 is V14Wherein V is11+V12+V13+V14＝V1The minimum cross-sectional area of the primary vent 2212 is S1. The secondary compression part 23 comprises a lower flange 231 and a secondary cylinder 232, a secondary exhaust port 2321 is arranged on the secondary cylinder 232 and has the same shape as the primary exhaust port 2221, a second cavity 2311 and a secondary exhaust hole 2312 communicated with the second cavity 2311 are arranged on the lower flange 231, a second channel 2313 communicated with the secondary exhaust port 2321 is arranged on the lower flange 231, and the sum of the volumes of the second cavity 2311 and the secondary exhaust hole 2312 is V22The volume of the secondary exhaust port 2321 is V21The volume of the second passage 2313 is V23，V21+V22+V23＝V2The minimum cross-sectional area of the secondary vent 2312 is S2The bottom of the lower flange 231 is provided with a cover plate 237. The vapor-supplementing and enthalpy-increasing channel 80 is arranged on the shell component 10, is communicated with the cavity 11, has a tubular structure or other shapes presenting a flow channel and is used for introducing vapor-supplementing and enthalpy-increasing refrigerant, and the volume of the vapor-supplementing and enthalpy-increasing channel 80 is V3. The motor 16 is drivingly connected to the crankshaft 21. Wherein (V)2/V1+V3)/(S2/S1) The value of (A) is 0.05 to 0.55. The first channel 225 is located inside the fully enclosed housing assembly 10, specifically above the primary compression section 22, inside the lower cover, including the cavities above and below the motor 26, and the flow openings in the motor 26.
In practical operation, the refrigerant of the compressor in this embodiment may be, in particular, CO2The refrigerant enters the primary cylinder 222, is compressed and then enters the first cavity 2211 on the upper flange 221 from the primary exhaust port 2221, then enters the cavity 11 from the primary exhaust hole 2212, is discharged from the primary exhaust pipe 226 together with the medium-back-pressure refrigerant entering from the vapor-supplementing enthalpy-increasing channel 80, is conveyed to the secondary cylinder 232 by a conveying channel and the like for secondary compression, and enters the second channel 2313 from the secondary exhaust port 2321, then enters the second cavity 2311, and finally is discharged from the secondary exhaust hole 2312.
Referring to FIG. 12, the compressor in the present embodiment has a V2/V1+V3)/(S2/S1) The value of (2) is 0.05-0.55, at the moment, the flow resistance loss of the refrigerant flowing channel of the compressor to the refrigerant can be greatly reduced, and the performance of the compressor in the embodiment can be obviously improved.
Preferably, (V) in the present embodiment2/V1+V3)/(S2/S1) The value of (d) is 0.25 to 0.35, and at this time, the performance of the compressor is optimal.
The first cavity 2211 on the upper flange 221 in this embodiment is concave-convex, and of course, in other embodiments of the present invention, a structure such as a circular cavity may be provided. Primary vent 2212 is cylindrical or other similar shape.
In order to facilitate the delivery of the refrigerant to the first-stage cylinder 222, the first-stage air inlet pipe 227 is disposed on the housing assembly 10 in this embodiment, the first-stage air inlet passage 2213 is disposed on the upper flange 221, the first-stage air inlet 2222 communicated with the compression cavity of the first-stage cylinder 222 is disposed on the first-stage cylinder 222, the first-stage air inlet pipe 227 is communicated with the first-stage air inlet passage 2213, the first-stage air inlet passage 2213 is communicated with the first-stage air inlet 2222, and the first-stage air inlet pipe 227 and the first-stage air inlet 2222. Of course, in other embodiments of the present invention, the one-level air inlet 2213 may not be provided, and the one-level air inlet 2222 on the one-level air cylinder 222 is directly communicated, so that the structure is simple, the realization is convenient, and as long as the utility model discloses a what think under the concept is other deformation modes, all are within the protection scope of the present invention.
Similarly, in order to facilitate the delivery of the refrigerant to the secondary cylinder 232, the housing assembly 10 in this embodiment is provided with a secondary intake pipe 236, the lower flange 231 is provided with a secondary intake passage 2314, the secondary cylinder 232 is provided with a secondary intake port 2322 communicated with the compression cavity of the secondary cylinder 232, the secondary intake pipe 236 is communicated with the secondary intake passage 2314, the secondary intake passage 2314 is communicated with the secondary intake port 2322, and the secondary intake pipe 236 and the secondary intake port 2322 in this embodiment have inclined sections, so as to facilitate the communication between the two. Of course, in other embodiments of the present invention, the second-stage air inlet 2314 may not be provided, and the second-stage air inlet 2322 directly on the second-stage air cylinder 232 is connected, the structure is simple, the realization is convenient, as long as the utility model discloses a what think under the concept is other deformation modes, all be in the utility model discloses an within the protection scope.
The first-stage compression part 22 in this embodiment further includes a first-stage roller 223 and a first-stage slider assembly 224 inside the first-stage cylinder 222, the first-stage roller 223 is sleeved on the first-stage eccentric block 211 of the crankshaft 21, the first-stage cylinder 222 is provided with a first sliding groove 2223, the first-stage slider assembly 224 is installed in the first sliding groove 2223, the motor 26 rotates to drive the crankshaft 21 to rotate, the first-stage eccentric block 211 and the first-stage roller 223 are conveniently driven to rotate, and then the first-stage slider assembly 224 slides in the first sliding groove 2223 to compress the refrigerant in the first-stage cylinder 222.
Similarly, the second-stage compression portion 23 in this embodiment further includes a second-stage roller 233 and a second-stage sliding plate assembly 234 located inside the second-stage cylinder 232, the second-stage roller 233 is sleeved on the second-stage eccentric block 212 of the crankshaft 21, the second-stage cylinder 232 is provided with a second sliding groove 2323, the second-stage sliding plate assembly 234 is installed in the second sliding groove 2323, the motor 26 rotates to drive the crankshaft 21 to rotate, so as to drive the second-stage eccentric block 212 and the second-stage roller 233 to rotate, and further, the second-stage sliding plate assembly 234 slides in the second sliding groove 2323 to compress the refrigerant in the second-stage cylinder 232.
Further, the housing assembly 10 of the present embodiment is further provided with a secondary exhaust pipe 235, and the secondary exhaust pipe 235 is communicated with the secondary exhaust hole 2312, so as to conveniently convey the cooling medium in the secondary cylinder 232.
Referring to fig. 1 to 12, according to another aspect of the present invention, there is provided a refrigeration cycle apparatus including a compressor in the above embodiment.
Preferably, the refrigeration cycle apparatus in this embodiment includes an intercooler 30, and the intercooler 30 is connected between the first-stage discharge pipe 226 and the second-stage intake pipe 236 of the compressor, so as to cool the refrigerant compressed by the first-stage compression part 22 and deliver the refrigerant to the second-stage intake pipe 236, thereby ensuring the operation stability of the compressor in this embodiment.
Preferably, the refrigeration cycle apparatus in this embodiment further includes a gas cooler 40, an economizer 50, a throttling mechanism 60, and an evaporator 70, wherein the gas cooler 40, the economizer 50, the throttling mechanism 60, and the evaporator 70 are sequentially connected between a secondary discharge pipe 235 and a primary intake pipe 227 of the compressor, and an outlet of the economizer 50 is connected to the vapor-supplementing enthalpy-increasing passage 80.
In actual operation, when the compressor is powered on and rotates at a high speed, the refrigerant compressed in the first-stage compression part 22 enters the cavity 11 to form a middle back pressure, enters the intercooler 30 through the motor 26 and the first-stage exhaust pipe 226 to cool the medium-temperature and medium-pressure refrigerant compressed in the first-stage compression part, enters the second-stage compression part 23 through the second-stage intake pipe 236 to be compressed in the second-stage compression part 23, finally enters the gas cooler 40 through the second-stage exhaust pipe 235 to exchange heat, then enters the economizer 50, part of the refrigerant flashes into a gaseous refrigerant, the gaseous refrigerant is injected into the middle back pressure cavity 11 through the air-supplying and enthalpy-increasing channel 80, part of the refrigerant is throttled and depressurized through the throttling mechanism 60, the heat absorption is performed through the evaporator 70, and finally the low-temperature and lowThe pipe 227 enters the first-stage compression section 22, forming a refrigeration cycle. (V) of the compressor in the present embodiment2/V1+V3)/(S2/S1) The value of (2) is 0.05-0.55, at the moment, the flow resistance loss of the refrigerant flowing channel of the compressor to the refrigerant can be greatly reduced, and the performance of the compressor in the embodiment can be obviously improved.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the utility model discloses a more reasonable configuration compressor's one-level compression portion and second grade compression portion exhaust passage volume, one-level compression portion and the cross sectional area in the exhaust hole of second grade compression portion reduce the flow resistance loss, can show the performance that improves the compressor more.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. 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.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A compressor, comprising:
the exhaust device comprises a shell assembly (10), wherein the shell assembly (10) is enclosed to form a cavity (11), and a primary exhaust pipe (226) is arranged at the top of the shell assembly (10);
a pump body (20), the pump body (20) including a crankshaft (21), a primary compression portion (22), a secondary compression portion (23), and a partition plate (24), the primary compression portion (22) and the secondary compression portion (23) both being mounted on the crankshaft (21), the primary compression portion (22) being placed on the secondary compression portion (23) and being separated from the secondary compression portion (23) by the partition plate (24); the primary compression part (22) comprises an upper flange (221) and a primary cylinder (222), a first cavity (2211) is arranged on the upper flange (221), and the volume of the first cavity (2211) is V11The upper flange (221) is provided with a primary exhaust hole (2212) communicated with the first cavity (2211), and the volume of the primary exhaust hole (2212) is V12The primary air cylinder (222) is provided with a primary air outlet (2221) communicated with the first cavity (2211), and the volume of the primary air outlet (2221) is V13The cavity (11) is positioned between the upper flange (221) and the primary exhaust pipe (226) and is provided with a first channel (225) capable of accommodating a primary compression refrigerant and an air-supplementing enthalpy-increasing refrigerant, and the sum of the volumes of the first channel (225) and the primary exhaust pipe (226) is V14，V11+V12+V13+V14＝V1The minimum cross-sectional area of the primary vent hole (2212) is S1(ii) a The secondary compression part (23) comprises a lower flange (231) and a secondary cylinder (232), a secondary exhaust port (2321) is arranged on the secondary cylinder (232), a second cavity (2311) and a secondary exhaust hole (2312) communicated with the second cavity (2311) are arranged on the lower flange (231), a second channel (2313) communicated with the secondary exhaust port (2321) is arranged on the lower flange (231), and the sum of the volumes of the second cavity (2311) and the secondary exhaust hole (2312) is V22The volume of the secondary exhaust port (2321) is V21Said second passage (2313) having a volume V23，V21+V22+V23＝V2The minimum cross-sectional area of the secondary vent hole (2312) is S2；
An enthalpy-increasing gas supply channel (80), the enthalpy-increasing gas supply channel (80) being arranged on the shell component (10) and communicated with the cavity (11), the volume of the enthalpy-increasing gas supply channel (80) being V3；
Wherein (V)2/V1+V3)/(S2/S1) The value of (A) is 0.05 to 0.55.
2. The compressor of claim 1, wherein (V)2/V1+V3)/(S2/S1) The value of (A) is 0.25 to 0.35.
3. The compressor as claimed in claim 1, wherein a primary air inlet pipe (227) is provided on the housing assembly (10), a primary air inlet passage (2213) is provided on the upper flange (221), a primary air inlet port (2222) communicated with a compression chamber of the primary cylinder (222) is provided on the primary cylinder (222), the primary air inlet pipe (227) is communicated with the primary air inlet passage (2213), and the primary air inlet passage (2213) is communicated with the primary air inlet port (2222).
4. The compressor of claim 1, wherein a secondary intake pipe (236) is disposed on the housing assembly (10), a secondary intake passage (2314) is disposed on the lower flange (231), a secondary intake port (2322) communicated with a compression chamber of the secondary cylinder (232) is disposed on the secondary cylinder (232), the secondary intake pipe (236) is communicated with the secondary intake passage (2314), and the secondary intake passage (2314) is communicated with the secondary intake port (2322).
5. The compressor of claim 1, wherein the primary compression part (22) further comprises a primary roller (223) and a primary slide assembly (224) which are located inside the primary cylinder (222), the primary roller (223) is sleeved on the primary eccentric block (211) of the crankshaft (21), the primary cylinder (222) is provided with a first sliding groove (2223), and the primary slide assembly (224) is installed in the first sliding groove (2223).
6. The compressor of claim 1, wherein the secondary compression part (23) further comprises a secondary roller (233) and a secondary slide assembly (234) inside the secondary cylinder (232), the secondary roller (233) is sleeved on the secondary eccentric block (212) of the crankshaft (21), the secondary cylinder (232) is provided with a second sliding slot (2323), and the secondary slide assembly (234) is installed in the second sliding slot (2323).
7. The compressor of claim 1, wherein a secondary exhaust pipe (235) is provided on the housing assembly (10), the secondary exhaust pipe (235) communicating with the secondary exhaust port (2312).
8. A refrigeration cycle apparatus comprising a compressor, characterized in that the compressor is the compressor of any one of claims 1 to 7.
9. The refrigeration cycle device according to claim 8, characterized in that the refrigeration cycle device comprises an intercooler (30), the intercooler (30) being connected between a primary discharge pipe (226) and a secondary intake pipe (236) of the compressor.
10. The refrigeration cycle apparatus according to claim 8, further comprising a gas cooler (40), an economizer (50), a throttle mechanism (60), and an evaporator (70), wherein the gas cooler (40), the economizer (50), the throttle mechanism (60), and the evaporator (70) are connected in sequence between a secondary discharge pipe (235) and a primary intake pipe (227) of the compressor, and an outlet of the economizer (50) is connected to the vapor-adding enthalpy passage (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770214.5U CN210033828U (en) | 2019-05-24 | 2019-05-24 | Compressor and refrigeration cycle device with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770214.5U CN210033828U (en) | 2019-05-24 | 2019-05-24 | Compressor and refrigeration cycle device with same |
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| CN210033828U true CN210033828U (en) | 2020-02-07 |
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| CN201920770214.5U Withdrawn - After Issue CN210033828U (en) | 2019-05-24 | 2019-05-24 | Compressor and refrigeration cycle device with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080981A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigerating circulatory device with it |
| CN113266568A (en) * | 2021-06-22 | 2021-08-17 | 广东美芝制冷设备有限公司 | Suction and exhaust structure, compressor and refrigeration equipment |
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2019
- 2019-05-24 CN CN201920770214.5U patent/CN210033828U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080981A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigerating circulatory device with it |
| CN110080981B (en) * | 2019-05-24 | 2024-06-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigeration cycle device with same |
| CN113266568A (en) * | 2021-06-22 | 2021-08-17 | 广东美芝制冷设备有限公司 | Suction and exhaust structure, compressor and refrigeration equipment |
| CN113266568B (en) * | 2021-06-22 | 2023-01-31 | 广东美芝制冷设备有限公司 | Suction and exhaust structure, compressor and refrigeration equipment |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20240618 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20240618 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |