CN205101227U - Rotary compression mechanism and compressor and system comprising same - Google Patents
Rotary compression mechanism and compressor and system comprising same Download PDFInfo
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- CN205101227U CN205101227U CN201520833192.4U CN201520833192U CN205101227U CN 205101227 U CN205101227 U CN 205101227U CN 201520833192 U CN201520833192 U CN 201520833192U CN 205101227 U CN205101227 U CN 205101227U
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Abstract
The utility model relates to a rotation type compressing mechanism, including first compression unit, first apron and second apron. The first compression unit includes: a first cylinder having a cavity; a first piston received in the cavity of the first cylinder; and a first partition disposed between the first cylinder and the first piston to partition a space between the first cylinder and the first piston into a first suction chamber and a first compression chamber. First and second cover plates are positioned at opposite sides of the first compression unit to close the first suction chamber and the first compression chamber, respectively. A first gas injection channel for injecting gas into the first compression chamber is provided in the first cover plate, and a second gas injection channel for injecting gas into the first compression chamber is provided in the second cover plate. The utility model discloses still relate to the compressor including this rotation type compressing mechanism and the system including this compressor.
Description
Technical field
The utility model relates to a kind of rotary compression mechanism, comprises the compressor of this rotary compression mechanism and comprise the system of this compressor.
Background technique
Air injection enthalpy-increasing loop is used in compressor assembly to improve the working efficiency of system.Usually, by improving the air displacement of compressor in the mesolow chamber of gas being introduced compressor, increasing Subcoold temperature and enthalpy difference, thus increase work efficiency and promote refrigerating capacity/heating capacity.
Generally speaking, the gas flow be injected in the compression chamber of compressor via air injection enthalpy-increasing loop is more, then refrigerating capacity/the heating capacity of compressor promotes more.
Therefore, that expects in related domain is to provide a kind of air injection enthalpy-increasing passage that comprises to improve the compressor of refrigerating capacity/heating capacity.
Model utility content
An object of one or more embodiment of the present utility model is to provide a kind of rotary compression mechanism of improving refrigerating capacity/heating capacity.
Another object of one or more embodiment of the present utility model is to provide a kind of can increasing and is injected into gas flow in compression chamber to improve the rotary compression mechanism of air displacement.
Another object of one or more embodiment of the present utility model is to provide a kind of twin-tub rotation-type compressor structure preventing compression chamber from collaborating.
An aspect of the present utility model provides a kind of rotary compression mechanism, comprises the first compression unit, the first cover plate and the second cover plate.First compression unit comprises: first cylinder body with cavity; Be contained in the first piston in the cavity of the first cylinder body; And be arranged between the first cylinder body and first piston the space between the first cylinder body and first piston to be divided into the first divider of the first suction chamber and the first compression chamber.First cover plate and the second cover plate are positioned at the relative both sides of the first compression unit respectively to close the first suction chamber and the first compression chamber.In the first cover plate, being provided with the first jet channel for being injected into by gas in the first compression chamber, and in the second cover plate, being provided with the second jet channel for being injected into by gas in the first compression chamber.
In above-mentioned rotary compression mechanism, owing to being provided with the jet channel be injected into by gas in the first compression chamber in the first cover plate and the second cover plate, therefore gas can be supplied in this first compression chamber from the both sides of the first compression chamber.By increasing the gas flow be injected in the first compression chamber, the air displacement of compressing mechanism can be improved, the efficiency of compressing mechanism can be improved thus.
First jet channel can be communicated with from different gas sources with the second jet channel.Alternatively, the first jet channel can be communicated with same gas source with the second jet channel.In this case, the first communicating passage for being communicated with the second jet channel by the first jet channel can be provided with in the first cylinder body.
Preferably, the pressure of the gas sprayed by the second jet channel is substantially equaled by the pressure of the gas of the first jet channel injection.
Preferably, the first jet channel has one or more jetburner leading to the first compression chamber, and the second jet channel has one or more jetburner leading to the first compression chamber.Jetburner is positioned in the region of satisfied following condition: after the first compression chamber is formed and during pressure in the first compression chamber is less than or equal to and is injected into the pressure of the gas in the first compression chamber via described jetburner, jetburner is exposed to the first compression chamber; And when the pressure in the first compression chamber be greater than be injected into the pressure of the gas in the first compression chamber via described jetburner after and before in subsequent work circulation, the first compression chamber is not formed, jetburner is covered by first piston.
Preferably, the pressure being injected into the gas in the first compression chamber is greater than the pressure of the gas be injected in the first suction chamber and is less than the pressure of gas of discharging from the first compression chamber.
Preferably, economizer, flash drum or liquid container during the first jet channel and/or the second jet channel are connected to residing for rotary compression mechanism system.
Preferably, above-mentioned rotary compression mechanism can also comprise the second compression unit and the 3rd cover plate.Second compression unit is arranged on the side contrary with the first compression unit of the first cover plate, and the second compression unit comprises: second cylinder body with cavity; Be contained in the second piston in the cavity of the second cylinder body; And be arranged between the second cylinder body and the second piston the space between the second cylinder body and the second piston to be divided into the second divider of the second suction chamber and the second compression chamber.3rd cover plate is arranged on the side contrary with the first cover plate of the second compression unit.In the first cover plate, being also provided with the 3rd jet channel for being injected into by gas in the second compression chamber, and in the 3rd cover plate, being provided with the 4th jet channel for being injected into by gas in the second compression chamber.
Model utility above-mentioned in, provide a kind of twin-tub rotation-type compressor structure.In this twin-tub rotation-type compressor structure, to the compression chamber of two compression units from its both sides supply gas, therefore by increasing the gas flow be injected in two compression chambers, and can improve the efficiency of this compressing mechanism thus.
3rd jet channel can be communicated with from different gas sources with the 4th jet channel.Alternatively, the 3rd jet channel can be communicated with same gas source with the 4th jet channel.In this case, the second communicating passage for being communicated with the 4th jet channel by the 3rd jet channel can be provided with in the second cylinder body.
Preferably, rotary compression mechanism can also comprise: the first one-way valve and/or the second one-way valve.First check valve structure becomes to allow gas to be injected in the first compression chamber via the first jet channel and the second jet channel but to prevent gas from flowing to the 3rd jet channel and the 4th jet channel from the first compression chamber.Second check valve structure becomes to allow gas to be injected in the second compression chamber via the 3rd jet channel and the 4th jet channel but to prevent gas from flowing to the first jet channel and the second jet channel from the second compression chamber.
By arranging one-way valve, gas can be prevented to be back to jet channel from one of them compression unit and also to prevent gas from entering in another compression unit thus.That is, by arranging the problem of collaborating that one-way valve can prevent from occurring in duplex cylinder compressor structure.
Preferably, the pressure of the gas sprayed by the 4th jet channel is substantially equaled by the pressure of the gas of the 3rd jet channel injection.
Preferably, the 3rd jet channel has one or more jetburner leading to the second compression chamber, and the 4th jet channel has one or more jetburner leading to the second compression chamber.Jetburner is positioned in the region of satisfied following condition: during the pressure after the second compression chamber is formed and in the second compression chamber is less than or equal to the pressure being injected into the gas in the second compression chamber via this jetburner, jetburner is exposed to the second compression chamber; And the pressure in the second compression chamber be greater than be injected into the pressure of the gas in the second compression chamber via this jetburner after and before in subsequent work circulation, the second compression chamber is not formed, jetburner is covered by the second piston.
Preferably, the first jet channel and the 3rd jet channel are arranged to: be connected directly to outside service independently of one another; Or extend independently of one another and be connected to outside service via the supply passage be arranged in the first cover plate; Or be formed as single channel.
Preferably, the pressure being injected into the gas in the second compression chamber is greater than the pressure of the gas be injected in the second suction chamber and is less than the pressure of gas of discharging from the second compression chamber.
Preferably, economizer, flash drum or liquid container during the 3rd jet channel and/or the 4th jet channel are connected to residing for rotary compression mechanism system.
Another aspect of the present utility model additionally provides a kind of compressor comprising above-mentioned rotary compression mechanism.This compressor also comprises the bent axle for driving rotary compression mechanism to run.
Another aspect of the present utility model additionally provides a kind of system comprising above-mentioned compressor, and this system comprises the air injection enthalpy-increasing loop being connected to compressor.Preferably, this system can also comprise the economizer, flash drum or the liquid container that are arranged in air injection enthalpy-increasing loop.
Accompanying drawing explanation
By the description referring to accompanying drawing, the feature and advantage of one or several embodiment of the present utility model will become easier to understand, wherein:
Fig. 1 is the longitudinal sectional view of the rotary compressor according to the utility model mode of execution;
Fig. 2 schematically shows the compressing mechanism according to the utility model mode of execution, and wherein, the one-way valve be arranged in air injection enthalpy-increasing passage is in closed condition;
Fig. 3 is the close-up schematic view in the A portion of Fig. 2;
Fig. 4 schematically shows the compressing mechanism according to the utility model mode of execution, and wherein, the one-way valve be arranged in air injection enthalpy-increasing passage is in open mode;
Fig. 5 is the close-up schematic view in the B portion of Fig. 4;
Fig. 6 is the perspective view of the compressing mechanism according to the utility model mode of execution;
Fig. 7 is the cut-away illustration of the compressing mechanism of Fig. 6;
Fig. 8 is the generalized section of the compression unit of compressing mechanism, and wherein, this compression unit is in the state that compression chamber has just been formed;
Fig. 9 is the generalized section of the compression unit of compressing mechanism, and wherein, this compression unit pressure be in compression chamber equals the state of the pressure of the gas be injected in compression chamber; And
Figure 10 shows the compressor assembly comprising air injection enthalpy-increasing loop.
Embodiment
Description related to the preferred embodiment is only exemplary below, and is never the restriction to the utility model and application or usage.For ease of describing, be described for twin rotor compressing mechanism herein, but, it will be understood by those skilled in the art that the utility model goes for the compressing mechanism of any suitable type, such as, single cylinder compressor structure.
The compressor assembly comprising air injection enthalpy-increasing loop is described referring to Figure 10.Compressor assembly can be such as refrigeration system or heating.Compressor assembly shown in figure comprises compressor 10, vaporizer 30, first expansion valve 50, condenser 40, second expansion valve 60 and vaporizer or liquid container 20.Compressor assembly also comprises the air injection enthalpy-increasing loop be connected between the first expansion valve 50 and compressor 10.As shown by arrows in FIG., flow through condenser 40 from compressor 10 high temperature and high pressure gas out and become liquid, then become gas-liquid mixture via the first expansion valve 50.In vaporizer (also can be called flash drum) or liquid container 20, the gas in gas-liquid mixture and liquid are separated, gas is injected in the compression chamber of compressor 10 via air injection enthalpy-increasing loop, and liquid is expanded further via the second expansion valve 60, then flow through vaporizer 30.Entered from vaporizer 30 effluent air in the suction chamber of compressor 10 by the intakeport of compressor 10.
In illustrated compressor assembly, by air injection enthalpy-increasing loop by being injected in the compression chamber of compressor 10 from expansion valve 50 effluent air, the air displacement of compressor 10 can be improved, increasing Subcoold temperature and enthalpy difference, thus improve the working efficiency of system.
As shown in Figure 1, it illustrates the rotary compressor 10 according to the utility model mode of execution.Compressor 10 comprises shell 11, motor 12, running shaft (being also referred to as bent axle) 13 and compressing mechanism 100.Motor 12, running shaft 13 and compressing mechanism 100 are contained in shell 11.Motor 12 comprises the rotor 12b of the stator 12a being fixedly installed to shell 11 and the radially inner side being arranged on stator 12a.Running shaft 13 extends through rotor 12b and is fixed to rotor, makes running shaft 13 under the driving of motor 12 and rotates.
Below with reference to Fig. 1, Fig. 2 and Fig. 4, the compressing mechanism 100 according to the utility model mode of execution is described.Compressing mechanism 100 shown in Fig. 1, Fig. 2 and Fig. 4 is two-cylinder type compressing mechanism.Illustrated compressing mechanism 100 comprises the first compression unit 120, second compression unit 140, central diaphragm (also can be called as cover plate) 110 between the first compression unit 120 and the second compression unit 140, the step (also can be called as cover plate) 150 that is positioned at the upper bearing bracket (also can be called as cover plate) 130 on the upside of the first compression unit 120 and is positioned on the downside of the second compression unit 140.
In the two-cylinder type compressing mechanism shown in Fig. 1, Fig. 2 and Fig. 4, the first compression unit 120 and the second compression unit 140 have identical structure, therefore, are only described compression unit for schematic structure herein.It is to be understood, however, that the first compression unit 120 and the second compression unit 140 can have different structures according to actual needs.
As shown in Figure 8 and Figure 9, the compression unit 120 that it illustrates compressing mechanism 100 is in the schematic cross sectional view of different conditions.Compression unit 120 can comprise cylinder body 122, piston 124 and slide plate (also can be called divider) 128.Cylinder body 122 can comprise the cavity with circular cross-section, and piston 124 is in the cavity accommodating.Piston 124 moves along the madial wall of cylinder body 122 under the driving of bent axle 13.Slide plate 128 is arranged between cylinder body 122 and piston 124 so that the space between cylinder body 122 and piston 124 is divided into suction chamber 121 and compression chamber 123.Intakeport 125 and relief opening 127 is also provided with in cylinder body 122.Intakeport 125 and relief opening 127 are positioned at the both sides of slide plate 128 and are close to slide plate 128.
In the compression unit shown in Fig. 8, piston 124 and the point of contact of cylinder body 122 are positioned at the side contrary with slide plate 128 of intakeport 125 and are close to intakeport 125.Now, compression unit 120 is in the state just forming compression chamber 123.In the compression unit shown in Fig. 9, the pressure in compression chamber 123 equals the pressure of the gas be injected in this compression chamber.
The jet channel for being injected into by the gas from air injection enthalpy-increasing loop in compression chamber 123 is also provided with, as shown in Fig. 2, Fig. 4, Fig. 6 and Fig. 7 according to the compressing mechanism 100 of the utility model mode of execution.
The jet channel 112 for being injected into by the gas in air injection enthalpy-increasing loop in the compression chamber 123 of compression unit 120 is provided with in the central diaphragm 110 of compressing mechanism 100.The jetburner of jet channel 112 can be positioned in the region of satisfied following condition: when compression chamber 123 is just formed (as shown in Figure 8), jetburner starts to be exposed to compression chamber 123, namely starts to be communicated with gas can be injected in compression chamber 123 with compression chamber 123 fluid; Then, when the pressure in compression chamber 123 reaches the pressure to the fluid in compression chamber 123 to be sprayed (as shown in Figure 9), jetburner is covered completely by piston 124, namely stops to compression chamber 123 gas jet.For ease of describing, such structure is called single-pass configuration herein.
Due to above-mentioned condition, the design (especially, the size of jetburner) of jet channel 112 is restricted, and thus the amount being injected into the gas in compression chamber is also restricted.In order to be injected in compression chamber by more gas, the jet channel 132 being used for being injected into by gas in the compression chamber 123 of compression unit 120 can also be set in upper bearing bracket 130.For ease of describing, such structure is called channel structure herein.
In single-pass configuration and channel structure, add air displacement owing to additional gas being injected in compression chamber, therefore can improve the refrigerating capacity/heating capacity of system.Inventor tests the compressor with single-pass configuration and channel structure, test result shows: the refrigerating capacity/heating capacity with the compressor of single-pass configuration improves about 18.88%, and the refrigerating capacity/heating capacity with the compressor of channel structure improves about 21.71%.Obviously, compared with the compressor of single-pass configuration, more gas can be injected in compression chamber by the compressor of channel structure, and therefore the compressor of channel structure can significantly improve the refrigerating capacity/heating capacity of compressor.
Compression unit 140 can have the structure with the structural similarity of compression unit 120.Compression unit 140 can comprise cylinder body 142, piston 144 and slide plate (also can be called divider) 148.Cylinder body 142 can comprise the cavity with circular cross-section, and piston 144 is in the cavity accommodating.Piston 144 moves along the madial wall of cylinder body 142 under the driving of bent axle 13.Slide plate 148 is arranged between cylinder body 142 and piston 144 so that the space between cylinder body 142 and piston 144 is divided into suction chamber 141 and compression chamber 143.Intakeport 145 and relief opening 147 is also provided with in cylinder body 142.Intakeport 145 and relief opening 147 are positioned at the both sides of slide plate 148 and are close to slide plate 148.
Similarly, for compression unit 140, the jet channel 114 being used for being injected into by gas in compression chamber can be set in the central diaphragm 110 of compressing mechanism 100, and/or the jet channel 154 being used for being injected into by gas in compression chamber can be set in step 150.
Jet channel 112,114,132 or 154 can be provided with one or more jetburner.Jetburner can have any suitable shape and size as required, as long as meet above-mentioned condition.Be understandable that, jet channel also can be designed to have any suitable size, shape or quantity etc. as required.
In the illustrated embodiment, the communicating passage 129 being communicated with jet channel 112 and jet channel 132 can be set in the first compression unit 120.Similarly, the communicating passage 149 being communicated with jet channel 114 and jet channel 154 can be set in the second compression unit 140.In the structure of such compressing mechanism, service 170 is connected to the supply passage 116 in central diaphragm 110, and supply passage 116 is connected to jet channel 112 and jet channel 114 respectively with respectively to the compression chamber of the first compression unit 120 and the compression chamber gas jet of the second compression unit 140.Then, a part of gas from supply passage 116 and/or can be injected in the compression chamber of the first compression unit 120 via jet channel 112 via communicating passage 129 and jet channel 132, another part gas from supply passage 116 via jet channel 114 and/or can be injected into via communicating passage 149 and jet channel 154 in the compression chamber of the second compression unit 140.
In above-mentioned illustrated mode of execution, the jet channel 112 and 114 be arranged in central diaphragm 110 is separate and is connected to outside service 170 via supply passage 116, that is, be supplied in the compression chamber of two compression units via jet channel 112 and 114 fluid partitioning respectively from supply passage 116.It is to be understood, however, that jet channel 112 and 114 also can be formed as single public passage, this public passage is made to together form T-shaped structure with the jetburner of the compression chamber leading to the first compression unit and the second compression unit.Or jet channel 112 and 114 can be connected directly to outside service 170.
In addition, according to actual needs, above-mentioned jet channel can be connected to different gas sources, such as, to be injected in compression chamber by the gas of different pressures; Or identical gas source can be connected to, such as, the gas of uniform pressure can be injected into thus in compression chamber and can simplified structure.Jet channel in present embodiment according to actual needs with any suitable vibrational power flow, and can be not limited to example described herein or shown in the drawings.
For illustrated duplex cylinder compressor structure 100, may there is following situation: the gas in the first compression unit can flow in the second compression unit via injection channel, or the gas in the second compression unit can flow in the first compression unit via injection channel too.Such situation is called as " collaborating ".
In order to prevent situation of collaborating from occurring, one-way valve can be set in jet channel.With reference to Fig. 2 to Fig. 5, in the illustrated embodiment, the first compression unit 120 is respectively and the second compression unit 140 is provided with one-way valve 101 and 103.One-way valve 101 can be arranged to: allow gas from service 170 via jet channel 112 and be supplied to the compression chamber of the first compression unit 120 via communicating passage 129 and jet channel 132, but prevent gas from flowing to the second compression unit 140 via jet channel 112 and via communicating passage 129 and jet channel 132 from the compression chamber of the first compression unit 120.Similarly, one-way valve 103 can be arranged to: allow gas from service 170 via jet channel 114 and be supplied to the compression chamber of the second compression unit 140 via communicating passage 149 and jet channel 154, but prevent gas from flowing to the first compression unit 120 via jet channel 114 and via communicating passage 149 and jet channel 154 from the compression chamber of the second compression unit 140.
To in compression chamber during gas jet, corresponding one-way valve is in open mode, as shown in Figure 4 and Figure 5.When stopping to corresponding compression chamber gas jet when jetburner crested, corresponding closed check valve, can prevent gas from refluxing from this compression chamber thus, as shown in Figures 2 and 3.Due to the generation of the situation of collaborating can be prevented, the working efficiency of compressor therefore can be improved further.
It should be understood that the generation that other modes except one-way valve can be taked to prevent the situation of collaborating.In addition, the quantity, position, structure etc. of one-way valve can set according to actual needs, are not limited to illustrated mode of execution.Such as, one-way valve or valve block can be arranged on each jetburner place, or can be arranged in supply passage 116, or contiguous supply passage 116 place in jet channel 112,114 can be arranged on, or can be arranged in communicating passage 129,149 or jet channel 132,154.
Although herein describe and illustrated be twin rotor compressor, then, it should be understood that the utility model also goes for the compressor of single cylinder rotor compressor or other suitable type.
Although described various mode of execution of the present utility model in detail at this, but should be appreciated that the utility model is not limited to the embodiment described in detail and illustrate here, other modification and variant can be realized when not departing from essence of the present utility model and scope by those skilled in the art.All these modification and variant all fall in scope of the present utility model.And all components described here can be replaced by component equivalent in other technologies.
Claims (21)
1. a rotary compression mechanism (100), comprising:
First compression unit (120), described first compression unit (120) comprising: first cylinder body (122) with cavity; Be contained in the first piston (124) in the described cavity of described first cylinder body (122); And be arranged between described first cylinder body (122) and described first piston (124) the space between described first cylinder body (122) and described first piston (124) to be divided into first divider (128) of the first suction chamber (121) and the first compression chamber (123); And
First cover plate (110) and the second cover plate (130), described first cover plate (110) and described second cover plate (130) are positioned at the relative both sides of described first compression unit (120) respectively to close described first suction chamber (121) and described first compression chamber (123)
It is characterized in that, in described first cover plate (110), being provided with the first jet channel (112) for being injected into by gas in described first compression chamber (123), and in described second cover plate (130), being provided with the second jet channel (132) for being injected into by gas in described first compression chamber (123).
2. rotary compression mechanism (100) as claimed in claim 1, it is characterized in that, described first jet channel (112) is communicated with from different gas sources with described second jet channel (132).
3. rotary compression mechanism (100) as claimed in claim 1, it is characterized in that, described first jet channel (112) is communicated with same gas source with described second jet channel (132).
4. rotary compression mechanism (100) as claimed in claim 3, wherein, the first communicating passage (129) for described first jet channel (112) being communicated with described second jet channel (132) is provided with in described first cylinder body (122).
5. rotary compression mechanism (100) as claimed in claim 1, wherein, the pressure of the gas sprayed by described first jet channel (112) equals the pressure of the gas sprayed by described second jet channel (132) substantially.
6. rotary compression mechanism (100) as claimed in claim 1, wherein, described first jet channel (112) has one or more jetburner leading to described first compression chamber (123), and described second jet channel (132) has one or more jetburner leading to described first compression chamber (123)
Described jetburner is positioned in the region of satisfied following condition: during the pressure after described first compression chamber (123) is formed and in described first compression chamber (123) is less than or equal to the pressure being injected into the gas in described first compression chamber via described jetburner, described jetburner is exposed to described first compression chamber (123); And after the pressure in described first compression chamber (123) is greater than the pressure being injected into the gas in described first compression chamber via described jetburner and before described in subsequent work circulation, the first compression chamber (123) is not formed, described jetburner is covered by described first piston (124).
7. rotary compression mechanism (100) as claimed in claim 1, wherein, the pressure of the gas be injected in described first compression chamber (123) is greater than the pressure of the gas be injected in described first suction chamber (121) and is less than the pressure of the gas of discharging from described first compression chamber (123).
8. rotary compression mechanism (100) as claimed in claim 1, wherein, economizer, flash drum or liquid container during described first jet channel (112) and/or described second jet channel (132) are connected to residing for described rotary compression mechanism system.
9. the rotary compression mechanism (100) according to any one of claim 1 to 8, wherein, described rotary compression mechanism (100) also comprises:
Second compression unit (140), described second compression unit (140) is arranged on the side contrary with described first compression unit (120) of described first cover plate (110), and described second compression unit (140) comprising: second cylinder body (142) with cavity; Be contained in the second piston (144) in the described cavity of described second cylinder body (142); And be arranged between described second cylinder body (142) and described second piston (144) the space between described second cylinder body (142) and described second piston (144) to be divided into second divider (148) of the second suction chamber (141) and the second compression chamber (143); And
3rd cover plate (150), described 3rd cover plate (150) is arranged on the side contrary with described first cover plate (110) of described second compression unit (140),
In described first cover plate (110), being also provided with the 3rd jet channel (114) for being injected into by gas in described second compression chamber (143), and being provided with the 4th jet channel (154) for being injected into by gas in described second compression chamber (143) in described 3rd cover plate (150).
10. rotary compression mechanism (100) as claimed in claim 9, wherein, described 3rd jet channel (114) is communicated with from different gas sources with described 4th jet channel (154).
11. rotary compression mechanisms (100) as claimed in claim 9, described 3rd jet channel (114) is communicated with same gas source with described 4th jet channel (154).
12. rotary compression mechanisms (100) as claimed in claim 11, wherein, the second communicating passage (149) for being communicated with described 4th jet channel (154) by described 3rd jet channel (114) is provided with in described second cylinder body (122).
13. rotary compression mechanisms (100) as claimed in claim 9, wherein, described rotary compression mechanism (100) also comprises:
First one-way valve (101), described first check valve structure becomes to allow gas to be injected in described first compression chamber (123) via described first jet channel (112) and described second jet channel (132) but to prevent gas from flowing to described 3rd jet channel (114) and described 4th jet channel (154) from described first compression chamber (123); And/or
Second one-way valve (103), described second check valve structure becomes to allow gas to be injected in described second compression chamber (143) via described 3rd jet channel (114) and described 4th jet channel (154) but to prevent gas from flowing to described first jet channel (112) and described second jet channel (132) from described second compression chamber (143).
14. rotary compression mechanisms (100) as claimed in claim 9, wherein, the pressure of the gas sprayed by described 3rd jet channel (114) equals the pressure of the gas sprayed by described 4th jet channel (154) substantially.
15. rotary compression mechanisms (100) as claimed in claim 9, wherein, described 3rd jet channel (114) has one or more jetburner leading to described second compression chamber (143), and described 4th jet channel (154) has one or more jetburner leading to described second compression chamber (143)
Described jetburner is positioned in the region of satisfied following condition: during the pressure after described second compression chamber (143) is formed and in described second compression chamber (143) is less than or equal to the pressure being injected into the gas in described second compression chamber via described jetburner, described jetburner is exposed to described second compression chamber (143); And the pressure in described second compression chamber (143) be greater than the pressure being injected into the gas in described second compression chamber via described jetburner after and before described in subsequent work circulation, the second compression chamber (143) do not formed, described jetburner is covered by described second piston.
16. rotary compression mechanisms (100) as claimed in claim 9, wherein, described first jet channel (112) and described 3rd jet channel (114) are arranged to:
Be connected directly to outside service (170) independently of one another; Or
Extend independently of one another and be connected to described outside service (170) via the supply passage (116) be arranged in the first cover plate (110); Or
Be formed as single channel.
17. rotary compression mechanisms (100) as claimed in claim 9, wherein, the pressure of the gas be injected in described second compression chamber (143) is greater than the pressure of the gas be injected in described second suction chamber (141) and is less than the pressure of the gas of discharging from described second compression chamber (143).
18. rotary compression mechanisms (100) as claimed in claim 9, wherein, economizer, flash drum or liquid container during described 3rd jet channel (114) and/or described 4th jet channel (154) are connected to residing for described rotary compression mechanism system.
19. 1 kinds of compressors (10), it is characterized in that, the bent axle (200) that described compressor comprises rotary compression mechanism (100) according to any one of claim 1 to 18 and runs for rotary compression mechanism (100) as described in driving.
20. 1 kinds of systems comprising compressor as claimed in claim 19 (10), it is characterized in that, described system comprises the air injection enthalpy-increasing loop being connected to described compressor (10).
21. systems as claimed in claim 20, wherein, described system also comprises the economizer be arranged in described air injection enthalpy-increasing loop, flash drum or liquid container (20).
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CN108953140A (en) * | 2018-08-06 | 2018-12-07 | 珠海凌达压缩机有限公司 | pump body assembly, double-cylinder enthalpy-increasing rotary compressor and temperature regulating device |
CN111788391A (en) * | 2018-03-07 | 2020-10-16 | 三菱电机株式会社 | Rotary compressor |
CN112412798A (en) * | 2020-11-30 | 2021-02-26 | 安徽美芝精密制造有限公司 | Partition plate assembly, compressor and heat pump equipment |
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2015
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111788391A (en) * | 2018-03-07 | 2020-10-16 | 三菱电机株式会社 | Rotary compressor |
CN111788391B (en) * | 2018-03-07 | 2022-10-04 | 三菱电机株式会社 | Rotary compressor |
CN108953140A (en) * | 2018-08-06 | 2018-12-07 | 珠海凌达压缩机有限公司 | pump body assembly, double-cylinder enthalpy-increasing rotary compressor and temperature regulating device |
CN112412798A (en) * | 2020-11-30 | 2021-02-26 | 安徽美芝精密制造有限公司 | Partition plate assembly, compressor and heat pump equipment |
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