CN107191372A - Rotary compressor and the refrigerating plant with it - Google Patents
Rotary compressor and the refrigerating plant with it Download PDFInfo
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- CN107191372A CN107191372A CN201710642024.0A CN201710642024A CN107191372A CN 107191372 A CN107191372 A CN 107191372A CN 201710642024 A CN201710642024 A CN 201710642024A CN 107191372 A CN107191372 A CN 107191372A
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- Prior art keywords
- compression
- rotary compressor
- mechanical part
- compression chamber
- chamber
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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
- F04C23/001—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 of similar working principle
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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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Abstract
The invention discloses a kind of rotary compressor and the refrigerating plant with it, rotary compressor includes：Shell；Motor, motor includes rotor and stator, and the both sides of rotor are respectively equipped with unilateral bearing；Two compression mechanical parts, two compression mechanical parts are the first compression mechanical part and the second compression mechanical part respectively, each compression mechanical part includes bent axle, at least one cylinder, piston and slide plate, each bent axle coordinates with the unilateral bearing of the same side respectively, each bent axle make it that the rotation direction of two bent axles is opposite with corresponding unilateral bearing and rotor engagement, first compression mechanical part has two the first compression chamber, and the second compression mechanical part has the second compression chamber of two connections.According to the rotary compressor of the present invention, the compress mode of rotary compressor can be switched, so as to when rotary compressor is applied to refrigerating plant, can preferably meet the efficiency requirement of each operating condition of refrigerating plant.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, filled more particularly, to a kind of rotary compressor with the refrigeration with it
Put.
Background technology
Requirement more and more higher due to national policy and client to domestic air conditioning, major air-conditioning producer joint compressor producers
Some new technologies are developed, such as air injection enthalpy-increasing technology can be obviously improved the low-temperature heating ability of air-conditioning system, in another example
Independent compression technology is developed on the basis of air injection enthalpy-increasing technology, this technology can be obviously improved the efficiency of air-conditioning system,
For example two stages of compression second vapor injection technology is applied in air-conditioning system again, to lift the low-temperature heating ability of air-conditioning system.
Above technology has respective advantage, while shortcoming is also obvious, by taking two stages of compression second vapor injection technology as an example, using the skill
Under heating condition of the air-conditioning system of art under conventional cooling condition or when outdoor temperature is not very low, air-conditioning system
Pressure is smaller, and two stages of compression means air-breathing, exhaust twice, can dramatically increase the power of air-conditioning system.However, related skill
In art, air-conditioning system can not be provided simultaneously with the high energy efficiency service ability under ultralow temperature heating capacity and conventional operating mode.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of rotation
Rotary compressor, the rotary compressor can switch its compress mode, so that when rotary compressor is used for refrigerating plant
When, efficiency of the refrigerating plant under each operating condition can be obviously improved.
The present invention also proposes a kind of refrigerating plant with above-mentioned rotary compressor.
The rotary compressor of embodiment according to a first aspect of the present invention, including：Shell, the shell is provided with exhaust
Pipe；Motor, the motor is located in the shell, and the motor includes rotor and sets stator on the housing, described turn
The both sides of son are respectively equipped with unilateral bearing；Two compression mechanical parts, described two compression mechanical part distributions are the two of the motor
Side and respectively the first compression mechanical part and the second compression mechanical part, each compression mechanical part include bent axle, at least one
Cylinder, piston and slide plate, each bent axle coordinate with the unilateral bearing of the same side respectively, each bent axle with it is corresponding
The unilateral bearing and the rotor engagement causes the rotation direction of described two bent axles on the contrary, each cylinder is provided with gas
Eccentric rotary and the piston being enclosed on outside on the bent axle, each cunning are provided with cylinder chamber and vane slot, each cylinder chamber
The reciprocating slide plate is provided with film trap, first compression mechanical part has two the first compression chamber and described two
The exhaust outlet of first compression chamber is connected with the blast pipe respectively, and second compression mechanical part has two the second compression chambers
Room, the exhaust passage of one of them second compression chamber is connected with the air intake passage of the second compression chamber another described,
The exhaust passage of another second compression chamber is connected with the blast pipe.
Rotary compressor according to embodiments of the present invention, unilateral bearing is set by the both sides in rotor respectively so that
When the rotation direction of rotor changes, the running status of the first compression mechanical part and the second compression mechanical part can be switched, from
And switch the compress mode of rotary compressor, when rotary compressor is applied to refrigerating plant, it can preferably meet system
The efficiency requirement of each operating condition of device for cooling.
According to some embodiments of the present invention, the vane slot of at least one cylinder is configured to the variable work of internal pressure
Chamber, the work chamber limits first compression chamber or second compression chamber.Thus, a cylinder just can be with
Limiting a Liang Ge work chamber i.e. cylinder has Liang Ge compression chamber, so as to reduce the number of cylinder, simplifies rotary
The structure of compressor.
According to some embodiments of the present invention, at least one described first compression chamber has the first gas supplementing opening, so as to work as
When rotary compressor is applied to refrigerating plant, the efficiency of refrigerating plant can be lifted.
According to some embodiments of the present invention, each first compression chamber is equipped with first gas supplementing opening, so that
When rotary compressor is applied to refrigerating plant, the efficiency of refrigerating plant can be further lifted.
According to some embodiments of the present invention, second compression mechanical part has the second gas supplementing opening, second tonifying Qi
Mouth is connected with the air intake passage of second compression chamber of subordinate, so that the pressure ratio of rotary compressor is improved, reduction rotation
The power consumption of formula compressor.
According to some embodiments of the present invention, the blast pipe is one and is located between described two compression mechanical parts.
The refrigerating plant of embodiment, including according to above-mentioned first aspect embodiment of the invention according to a second aspect of the present invention
Rotary compressor.
Refrigerating plant according to embodiments of the present invention, by using above-mentioned rotary compressor, can be filled according to refrigeration
The operating condition put switches the compress mode of rotary compressor so that the compress mode of rotary compressor can be well
Make the most of the advantage to meet the efficiency requirement of the operating condition.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of rotary compressor according to embodiments of the present invention；
Fig. 2 is the structural representation of refrigerating plant according to embodiments of the present invention.
Reference：
Refrigerating plant 200,
Condenser 101, the first end 101a of condenser, the second end 101b of condenser,
Evaporator 102, the first end 102a of evaporator, the second end 102b of evaporator,
One nuclear one-stage throttling device 103, the first end 103a of a nuclear one-stage throttling device, the second end 103b of a nuclear one-stage throttling device,
Two-step throttle device 104, the first end 104a of two-step throttle device, the second end 104b of two-step throttle device,
Gas-liquid separator 105,
The first end 105a of gas-liquid separator, the second end 105b of gas-liquid separator, the 3rd end 105c of gas-liquid separator,
Rotary compressor 100,
Shell 1, motor 2, rotor 21, stator 22,
First unilateral bearing 3, the second unilateral bearing 4,
First compression mechanical part 5, the first compression chamber 50a, the first bent axle 51, the second compression mechanical part 6, the second compression chamber
Room 60a, the second gas supplementing opening 60b, the second bent axle 61,
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term "left", "right", " interior ", " outer ", " forward direction ", " direction ",
The orientation or position relationship of instructions such as " axial directions " are, based on orientation shown in the drawings or position relationship, to be for only for ease of description originally
Invention and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.In addition, define " first ", the feature of " second " can be with
Express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The rotary compressor 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1.
As shown in figure 1, rotary compressor 100 according to embodiments of the present invention, including shell 1, motor 2 and two compressions
Mechanism part.
Shell 1 is provided with blast pipe (not shown), and the refrigerant after the compression of rotary compressor 100 can pass through
Blast pipe discharges rotary compressor 100.Motor 2 is located in shell 1, and motor 2 includes rotor 21 and the stator being located on shell 1
22, wherein rotor 21 can be located in stator 22, and the both sides (for example, left and right sides in Fig. 1) of rotor 21 are respectively equipped with list
To bearing, two unilateral bearings are respectively the first unilateral bearing 3 and the second unilateral bearing 4.
Two compression mechanical part distributions are in the both sides (for example, left and right sides in Fig. 1) of motor 2 and the respectively first compression
The compression mechanical part 6 of mechanism part 5 and second, each compression mechanical part includes bent axle, at least one cylinder, piston and slide plate, each
Bent axle coordinates with the unilateral bearing of the same side respectively, and each bent axle coordinates with corresponding unilateral bearing and rotor 21 and causes two songs
The rotation direction of axle is on the contrary, each cylinder is provided with cylinder chamber and vane slot, each cylinder chamber provided with eccentric rotary and is enclosed on outside
Reciprocating slide plate is provided with piston on bent axle, each vane slot, the first compression mechanical part 5 has two the first compression chambers
Room 50a and two the first compression chamber 50a exhaust outlet are connected with blast pipe respectively, and the second compression mechanical part 6 has two the
Two compression chamber 60a, one of them the second compression chamber 60a exhaust passage and another second compression chamber 60a air-breathing
Passage is connected, and another second compression chamber 60a exhaust passage is connected with blast pipe.
Specifically, the first unilateral bearing 3 is located at the left side of rotor 21, and the first compression mechanical part 5 is located at a left side for motor 2
Side, and the first compression mechanical part 5 includes the first bent axle 51, at least one first cylinder, first piston and the first slide plate.Wherein,
First bent axle 51 coordinates with the first unilateral bearing 3, and rotor 21 drives the first bent axle 51 to rotate forward by the first unilateral bearing 3,
Two the first independent compression chamber 50a are limited in first compression mechanical part 5, each first compression chamber 50a is equipped with suction
Gas port and exhaust outlet, two the first compression chamber 50a exhaust outlet are connected with blast pipe respectively so that each first compression chamber
50a to suck refrigerant, is completed after compression by respective air entry, refrigerant by each first compression chamber 50a each
Exhaust outlet discharge.
Second unilateral bearing 4 is located at the right side of rotor 21, and the second compression mechanical part 6 is located at the right side of motor 2, and the second pressure
Contracting mechanism part 6 includes the second bent axle 61, at least one second cylinder, second piston and the second slide plate.Wherein, the second bent axle 61 with
Second unilateral bearing 4 coordinates, and rotor 21 drives the second bent axle 61 to rotate backward by the second unilateral bearing 4, the second compression mechanism
The second compression chamber 60a of two connections is limited in portion 6 so that refrigerant is complete in wherein one the second compression chamber 60a
Flowed into after into one stage of compression in another second compression chamber 60a and carry out two-stage compression, discharged eventually through blast pipe.Here,
It should be noted that " rotating forward " and " rotating backward " is relative concept.
When rotary compressor 100 is run, rotor 21 is rotated forward, rotor 21 drives the first bent axle 51 to rotate forward to drive
Dynamic first compression mechanical part 5 is run, and now the second bent axle 61 is not rotated, the second compression mechanical part 6 is not run, two first compressions
Chamber 50a carries out independent compression to the refrigerant in it respectively, and refrigerant passes through two the first compression chamber 50a after the completion of compression
Respective exhaust outlet is drained into shell 1, is finally discharged by blast pipe；Rotary compressor 100 is run, rotor 21 is rotated backward
When, rotor 21 drives the second bent axle 61 to rotate backward to drive the second compression mechanical part 6 to run, and now the first bent axle 51 does not turn
Dynamic, the first compression mechanical part 5 is not run, and two the second compression chamber 60a are compressed to refrigerant successively, is made after the completion of compression
The exhaust passage for the second compression chamber 60a that cryogen passes through subordinate is drained into shell 1, is finally discharged by blast pipe.Thus, pass through
Change the steering of rotor 21 to change the compress mode of rotary compressor 100 so that rotary compressor 100 can be to refrigeration
Agent carries out independent compression or two stages of compression, so as to preferably play the advantage of independent compression and two stages of compression.
When rotary compressor 100 is applied to refrigerating plant 200, because the rotary compressor 100 can be by changing
Become the steering of rotor 21 to change the compress mode of rotary compressor 100, so as to the operation work according to refrigerating plant 200
Condition switches the compress mode of rotary compressor 100 so that the compress mode of rotary compressor 100 can play well
Advantage is required with the efficiency for meeting the operating condition.Specifically, when refrigerating plant 200 is in conventional operating mode, it will can revolve
The rotor 21 of rotary compressor 100 is adjusted to rotate forward, now the first compression mechanical part 5 to refrigerant carry out independent compression,
Second compression mechanical part 6 is not run, so as to the efficiency being obviously improved under the conventional operating mode of refrigerating plant 200；Work as refrigerating plant
200 be in ultralow temperature heating condition or superhigh temperature cooling condition when, the rotor 21 of rotary compressor 100 can be adjusted to anti-
To rotation, now the second compression mechanical part 6 carries out two stages of compression, the first compression mechanical part 5 to refrigerant and not run, so as to
Lift the ultralow temperature heating capacity and superhigh temperature refrigerating capacity of refrigerating plant 200.
Rotary compressor 100 according to embodiments of the present invention, by setting unilateral bearing respectively in the both sides of rotor 21,
During so that the rotation direction of rotor 21 changing, the operation of the first compression mechanical part 5 and the second compression mechanical part 6 can be switched
State, so that switch the compress mode of rotary compressor 100, when rotary compressor 100 is applied to refrigerating plant 200,
The efficiency requirement of each operating condition of refrigerating plant 200 can preferably be met.
In some embodiments of the invention, the vane slot of at least one cylinder is configured to the variable working chamber of internal pressure
Room, work chamber limits the first compression chamber 50a or the second compression chamber 60a.Thus, a cylinder can just limit two
Individual work chamber is that a cylinder has Liang Ge compression chamber, so as to reduce the number of cylinder, simplifies rotary compressor 100
Structure.
For example, the vane slot of first cylinder is configured to work chamber, the work chamber can with positioned at this first
Base bearing, the supplementary bearing of the axial both sides of cylinder limit the first compression chamber 50a of closing, first compression chamber jointly
50a is provided with air entry and exhaust outlet.Meanwhile, the cylinder chamber of the first cylinder limits another work chamber so that the first cylinder
Limit another first compression chamber 50a jointly between the first piston in it, the first slide plate, that is to say, that one
There are two the first compression chamber 50a, first piston is during rotation, two the first compression chamber 50a points in one cylinder
It is other refrigerant is compressed after, discharged by respective exhaust outlet.Thus, the first compression mechanical part 5 can only have one
First cylinder.It is understood that above-mentioned work chamber can also and two shroudings positioned at the axial both sides of first cylinder
The first compression chamber 50a, but not limited to this are limited jointly.
In another example, the vane slot of second cylinder is configured to work chamber, the work chamber and positioned at second gas
The base bearing and supplementary bearing of the axial both sides of cylinder limit the second compression chamber 60a of closing, second compression chamber 60a jointly
Provided with air entry and exhaust outlet.Meanwhile, another work chamber at the cylinder chamber limit of the second cylinder so that the second cylinder and its
Another second compression chamber 60a is limited jointly between interior second piston, the second slide plate, that is to say, that second gas
There are two the second compression chamber 60a in cylinder, and interconnected between the two second compression chamber 60a, second piston is turning
In dynamic process, after two the second compression chamber 60a are compressed to refrigerant respectively successively, pass through the second compression chamber of subordinate
Room 60a exhaust passage discharge.Thus, the second compression mechanical part 6 can only have second cylinder.It is understood that
Above-mentioned work chamber can also and two shroudings positioned at the axial both sides of second cylinder limit the second compression chamber jointly
60a, but not limited to this.
Certainly, can also only have in first cylinder in a first compression chamber 50a, second cylinder and may be used also
Only to have a second compression chamber 60a, so that the first compression mechanical part 5 has two the first cylinders, the second compression mechanism
Portion 6 has two the second cylinders.
In some alternative embodiments of the present invention, at least one first compression chamber 50a has the first gas supplementing opening, and (figure is not
Show) so that refrigerant can by the first gas supplementing opening flow into the first compression chamber 50a in, and with by the first compression chamber 50a
The refrigerant mixing that flows into the first compression chamber 50a of air entry, mixed refrigerant is complete in the first compression chamber 50a
Into compression, discharged by the first compression chamber 50a exhaust outlet.Thus, when rotary compressor 100 is applied to refrigerating plant 200
When, the efficiency of refrigerating plant 200 can be obviously improved.
Further, each first compression chamber 50a is equipped with the first gas supplementing opening so that refrigerant can be mended by first
Gas port is flowed into corresponding first compression chamber 50a, and flows into the with by above-mentioned corresponding first compression chamber 50a air entry
Refrigerant mixing in one compression chamber 50a, mixed refrigerant completes compression in the first compression chamber 50a, by first
Compression chamber 50a exhaust outlet discharge.Thus, can be further when rotary compressor 100 is applied to refrigerating plant 200
Lift the efficiency of refrigerating plant 200.Certainly, can not connected mutually between two the first compression chamber 50a the first gas supplementing opening or
Interconnect.
As shown in figure 1, the second compression mechanical part 6 has the second of the second gas supplementing opening 60b, the second gas supplementing opening 60b and subordinate
Compression chamber 60a air intake passage connection.Specifically, the second gas supplementing opening 60b is located at two the second compression chamber 60a connection
Place so that the air intake passage that refrigerant can be flowed into the second compression chamber 60a by the second gas supplementing opening 60b, and with from higher level
The second compression chamber 60a exhaust passage discharge refrigerant mixing after in the second compression chamber 60a of subordinate complete pressure
Contracting.Thus, can be under by setting the second gas supplementing opening 60b connected with the second compression chamber 60a of subordinate air intake passage
The second compression chamber 60a supplement refrigerants of level, so as to improve the pressure ratio of rotary compressor 100, reduce rotary compressor
100 power consumption.
In a particular embodiment of the present invention, blast pipe is one and is located between two compression mechanical parts.Thus, pass through
One blast pipe will be set between the first compression mechanical part 5 and the second compression mechanical part 6, the number of blast pipe is reduced, letter
The structure of rotary compressor 100 is changed.It is understood that the number of blast pipe can also be set to according to actual conditions it is many
It is individual, while the position of blast pipe can also be set according to the actual requirements.
The refrigerating plant 200 of embodiment, including implemented according to above-mentioned first aspect of the invention according to a second aspect of the present invention
The rotary compressor 100 of example.Wherein, refrigerating plant 200 is chosen as air conditioner, but not limited to this.
For example, as depicted in figs. 1 and 2, when rotary compressor 100 is used for refrigerating plant, at least one first compression
Chamber 50a can be provided with the first gas supplementing opening, and the second compression mechanical part 6 can have the air-breathing with the second compression chamber of subordinate 60a
Second gas supplementing opening 60b of passage connection.Refrigerating plant 200 also includes condenser, evaporator, a nuclear one-stage throttling device, two-step throttle
Device and gas-liquid separator.Rotary compressor 100 have air inlet pipe and blast pipe, air inlet pipe respectively with two the first compression chambers
Room 50a air inlet connection, and air inlet pipe and the air-breathing of the second compression chamber 60a of higher level in two the second compression chamber 60a
Passage is connected.Wherein blast pipe is connected with the first end 101a of condenser, the second end 101b of condenser and a nuclear one-stage throttling device
First end 103a be connected, the second end 103b of a nuclear one-stage throttling device is connected with the first end 105a of gas-liquid separator, and gas-liquid
Second end 105b of separator is connected with the first end 104a of two-step throttle device, the 3rd end 105c of gas-liquid separator is with rotating
The gas supplementing opening of formula compressor 100 is connected, and the second end 104b of two-step throttle device is connected with the first end 102a of evaporator, evaporation
Second end 102b of device is connected with the air inlet pipe of rotary compressor 100.Here, it is necessary to which explanation, " gas supplementing opening " is first
The general designation of gas supplementing opening and the second gas supplementing opening 60b.
Specifically, when refrigerating plant 200 is run under conventional operating mode, the 3rd end 105c of gas-liquid separator and first
Gas supplementing opening is connected, and now rotor 21 is rotated forward, and the first compression mechanical part 5 carries out independent compression, the second compressor to refrigerant
Structure portion 6 is not run.Through the first compression mechanical part 5 compress after refrigerant turn into high temperature and high pressure gas, through blast pipe discharge and by
Turn into high pressure-temperature subcooled liquid after being exchanged heat in the first end 101a inflow condensers of condenser, by a nuclear one-stage throttling device
First end 103a, which is flowed into a nuclear one-stage throttling device, carries out gas-liquid mixture phase of the throttling as middle pressure.The system of the gas-liquid mixture phase
Cryogen is separated in gas-liquid separator so that gaseous refrigerant and a small amount of liquid refrigerant are from the 3rd of gas-liquid separator
105c outflows are held, are then flowed into through the first gas supplementing opening in the first compression chamber 50a, and substantial amounts of liquid refrigerant is from gas-liquid separation
The second end 105b outflows of device, turn into the gas-liquid mixture phase of low-temp low-pressure, and flow into after the throttling of two-step throttle device
Exchanged heat in evaporator, refrigerant turns into low-temp low-pressure overheated gas, flows into the first compression chamber 50a through air inlet pipe after heat exchange
It is interior to be compacted into high pressure gaseous system together with after the refrigerant mixing that the first compression chamber 50a is flowed into by the first gas supplementing opening
Cryogen.Thus, it is possible to be obviously improved the efficiency of refrigerating plant 200.
When refrigerating plant 200 is in ultralow temperature heating condition or superhigh temperature cooling condition, the 3rd end of gas-liquid separator
105c is connected with the second gas supplementing opening 60b, and now rotor 21 is rotated backward, and the second compression mechanical part 6 carries out two-stage pressure to refrigerant
Contract and tonifying Qi, the first compression mechanical part 5 are carried out between two stages of compression do not run.System after being compressed through the second compression mechanical part 6
Cryogen turns into high temperature and high pressure gas, after discharging and being exchanged heat in the first end 101a inflow condensers of condenser through blast pipe
As high pressure-temperature subcooled liquid, flowing into progress throttling in a nuclear one-stage throttling device by the first end 103a of a nuclear one-stage throttling device turns into
The gas-liquid mixture phase of middle pressure.The refrigerant of the gas-liquid mixture phase is separated in gas-liquid separator so that gaseous refrigerant
Agent is flowed out with a small amount of liquid refrigerant from the 3rd end 105c of gas-liquid separator, then flows into second through the second gas supplementing opening 60b
In compression mechanical part 6, and substantial amounts of liquid refrigerant flows out from the second end 105b of gas-liquid separator, by two-step throttle device
Throttling after turn into the gas-liquid mixture phase of low-temp low-pressure, and flow into evaporator and exchanged heat, refrigerant is as low after heat exchange
Warm low area overheat gas, through air inlet pipe flow into the second compression chamber 60a in by the second gas supplementing opening 60b flow into the second compression mechanism
High temperature and high pressure gaseous refrigerant is collapsed into by the second compression chamber 60a of two connections successively after the refrigerant mixing in portion 6.By
This, can lift the ultralow temperature heating capacity and superhigh temperature refrigerating capacity of refrigerating plant 200.
Refrigerating plant 200 according to embodiments of the present invention, can basis by using above-mentioned rotary compressor 100
The operating condition of refrigerating plant 200 switches the compress mode of rotary compressor 100 so that the pressure of rotary compressor 100
Contracting mode can make the most of the advantage to meet the efficiency requirement of the operating condition well, exist so as to be obviously improved refrigerating plant 200
Efficiency under each operating condition so that refrigerating plant 200 be provided simultaneously with ultralow temperature heating capacity, superhigh temperature refrigerating capacity and often
Advise the high energy efficiency service ability under operating mode.
Other of refrigerating plant 200 according to embodiments of the present invention are constituted and operated for those of ordinary skill in the art
For be all known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (7)
1. a kind of rotary compressor, it is characterised in that including：
Shell, the shell is provided with blast pipe；
Motor, the motor is located in the shell, and the motor includes rotor and sets stator on the housing, described turn
The both sides of son are respectively equipped with unilateral bearing；
Two compression mechanical parts, described two compression mechanical part distributions are in the both sides of the motor and respectively the first compression mechanism
Portion and the second compression mechanical part, each compression mechanical part include bent axle, at least one cylinder, piston and slide plate, Mei Gesuo
State the unilateral bearing of the bent axle respectively with the same side to coordinate, each bent axle and the corresponding unilateral bearing and described turn
Son coordinates the rotation direction for causing described two bent axles on the contrary, each the cylinder is each described provided with cylinder chamber and vane slot
It is provided with cylinder chamber in eccentric rotary and the piston being enclosed on outside on the bent axle, each vane slot and is provided with reciprocating institute
Slide plate is stated, first compression mechanical part has the exhaust outlet point of two the first compression chamber and described two first compression chamber
Do not connected with the blast pipe, second compression mechanical part has two the second compression chamber, one of them described second pressure
The exhaust passage of contracting chamber is connected with the air intake passage of the second compression chamber another described, another described second compression chamber
Exhaust passage connected with the blast pipe.
2. rotary compressor according to claim 1, it is characterised in that the vane slot of at least one cylinder is by structure
The work chamber that internal pressure is variable is caused, the work chamber limits first compression chamber or second compression chamber.
3. rotary compressor according to claim 1, it is characterised in that at least one described first compression chamber has
First gas supplementing opening.
4. rotary compressor according to claim 3, it is characterised in that each first compression chamber is all provided with
State the first gas supplementing opening.
5. rotary compressor according to claim 1, it is characterised in that second compression mechanical part has second to mend
Gas port, second gas supplementing opening is connected with the air intake passage of second compression chamber of subordinate.
6. rotary compressor according to claim 1, it is characterised in that the blast pipe is for one and positioned at described two
Between individual compression mechanical part.
7. a kind of refrigerating plant, it is characterised in that including the rotary compressor according to any one of claim 1-6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710642024.0A CN107191372B (en) | 2017-07-31 | 2017-07-31 | Rotary compressor and refrigerating device with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642024.0A CN107191372B (en) | 2017-07-31 | 2017-07-31 | Rotary compressor and refrigerating device with same |
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| CN107191372A true CN107191372A (en) | 2017-09-22 |
| CN107191372B CN107191372B (en) | 2021-07-06 |
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| CN201710642024.0A Active CN107191372B (en) | 2017-07-31 | 2017-07-31 | Rotary compressor and refrigerating device with same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806412A (en) * | 2017-11-24 | 2018-03-16 | 安徽美芝精密制造有限公司 | Rotary compressor and there is its air-conditioning system |
| CN111120321A (en) * | 2018-10-31 | 2020-05-08 | 广东美芝制冷设备有限公司 | Compressor and refrigerating system |
| CN111207075A (en) * | 2020-02-10 | 2020-05-29 | 嘉兴学院 | Vortex air compressor |
| CN114060283A (en) * | 2021-12-08 | 2022-02-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor type compressor and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107806412A (en) * | 2017-11-24 | 2018-03-16 | 安徽美芝精密制造有限公司 | Rotary compressor and there is its air-conditioning system |
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| CN114060283A (en) * | 2021-12-08 | 2022-02-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor type compressor and air conditioner |
| CN114060283B (en) * | 2021-12-08 | 2024-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor type compressor and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN107191372B (en) | 2021-07-06 |
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