CN101776078A - Totally-enclosed type refrigeration compressor and rotor compressor unit thereof - Google Patents
Totally-enclosed type refrigeration compressor and rotor compressor unit thereof Download PDFInfo
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- CN101776078A CN101776078A CN200910260920A CN200910260920A CN101776078A CN 101776078 A CN101776078 A CN 101776078A CN 200910260920 A CN200910260920 A CN 200910260920A CN 200910260920 A CN200910260920 A CN 200910260920A CN 101776078 A CN101776078 A CN 101776078A
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- rotor
- elementary
- compressor unit
- end cap
- chamber
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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
- F04C18/344—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 inner member
- F04C18/3441—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 inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
- F01C21/0818—Vane tracking; control therefor
- F01C21/0827—Vane tracking; control therefor by mechanical means
- F01C21/0836—Vane tracking; control therefor by mechanical means comprising guiding means, e.g. cams, rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
- F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings
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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
- F04C23/008—Hermetic pumps
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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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0071—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
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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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/18—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
Abstract
The invention discloses a rotor compressor unit, which comprises a cylinder provided with a concave accommodating part, an end cover, a rotor, a driving shaft, an inner rotor, an outer rotor and three sliders, wherein the end cover is matched with the concave accommodating part of the cylinder to form a sealed internal chamber for accommodating the rotor, and the inner side end of the end cover is provided with an intake port and an exhaust port which are communicated with an intake passage and an exhaust passage respectively. Compared with the prior art, the rotor compressor unit is provided with the inner rotor, the rotor and the outer rotor which are nested from inside to outside to form a primary working chamber and a secondary working chamber; and under the drive of a motor, the rotor drives the inner rotor and the outer rotor to perform eccentric rotation through end parts of the three sliders. Along with the rotation of the rotor, the volume of each relatively sealed working chamber is changed periodically, and a gas is compressed by the primary working chamber and then enters the secondary working chamber to perform secondary compression so as to effectively improve the efficiency of a compressor. On that basis, the invention also provides a totally-enclosed type refrigeration compressor which is provided with the rotor compressor unit.
Description
Technical field
The present invention relates to the Compressor Technology field, be specifically related to a kind of hermetically sealed refrigerating compressor unit and rotor compressor unit thereof.
Background technique
Rotor-type compressor claims rolling piston compressor again, belongs to the volume type rotary compressor.Its compressor unit comprises main function components such as cylinder, eccentric rotor and slide plate, offseting between slide plate and eccentric rotor outer surface or the cylinder inner wall forms a contact seal line, and the crescent shape spatial volume of eccentric rotor and cylinder part formation is separated into two-part; In the working procedure, aforementioned two-part volume changes along with the rotation of rotor, thereby realizes air-breathing, compression and exhaust process.
As everyone knows, leakage, friction and wear between the slide plate of transmission rotor-type compressor and eccentric rotor outer surface or the cylinder inner wall are bigger, thereby have limited the raising of its operating life and efficient.For improving the operating life of rotor-type compressor, the research staff of related domain has proposed many improvement designs.
Such as, publication number is that US2008/0232991A1 discloses a kind of rotor-type compressor, its rotor places between the inside and outside nested cylinder body and forms inside and outside nested two-stage chamber, slide plate is fixed with respect to cylinder body in this scheme, makes that by the cooperating structure between rotor and the slide plate sealing between the chamber is more reliable.Yet the clearance volume after the air cavity exhaust of this scheme finishes is bigger, thereby influences the volumetric efficiency of rotor compressor.
In view of this, demand urgently being optimized design, with its working efficiency of effective raising at rotor-type compressor.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is, a kind of rotor compressor unit with higher working efficiency is provided.On this basis, the present invention also provides a kind of hermetically sealed refrigerating compressor unit with this unit.
Rotor compressor unit provided by the invention comprises cylinder, end cap, rotor, transmission shaft, internal rotor, external rotor and three slide plates with indent accommodating part; Described end cap cooperates with the indent accommodating part of described cylinder and forms internal chamber, and its inner side end is provided with respectively the inlet and outlet mouth with the inlet and outlet channel connection; Described rotor places described internal chamber; One end of described transmission shaft through described cylinder be plugged on the described end cap, the other end is used for links to each other with rotor, and described rotor is set on the transmission shaft.
Described internal rotor is built in the inside of described rotor; Described external rotor is set in the outside of described rotor; Described three slide plates are separately positioned in described epitrochanterian three radial grooves; The inside and outside end of each slide plate stretches out through corresponding radial groove respectively, and offsets with the outer surface of described internal rotor and the inwall of described external rotor respectively; And the bottom of described cylinder has through hole.
The coaxial setting of described internal rotor and external rotor and both form between external rotor and the rotor and form the secondary work chamber between elementary active chamber, rotor and the internal rotor with respect to the rotor eccentricity setting; Elementary active chamber and secondary work chamber are separated to form the active chamber of three relative sealings by three slide plates.
When described three slide plates and rotor rotate in the lump, and the inside and outside end face of slide plate drives internal rotor respectively and external rotor rotates with respect to rotor eccentricity, the volume of the active chamber that each seals relatively periodically changes, and forms breathing space, compression volume and exhaust space successively; Be provided with gas distribution channels between described end cap and three rotors, discharge through the end cap relief opening so that gas enters the gas that the gas after elementary active chamber carries out elementary compression, elementary compression enters after secondary compression and secondary compression are carried out in the secondary work chamber through the end cap suction port.
Preferably, also comprise distribution separator on the inner side end that is fixedly installed on described end cap; Described gas distribution channels is specially the UNICOM's gas distribution channels that is arranged on the end cap inner side end and is arranged on the elementary suction port on the described distribution separator, elementary relief opening, secondary suction port and secondary relief opening; Wherein, the suction port on the described elementary suction port connection end cap inner side end and the breathing space of elementary active chamber; Described elementary relief opening is communicated with the exhaust space of elementary active chamber and the UNICOM's gas distribution channels on the end cap inner side end; Described secondary suction port is communicated with the breathing space in UNICOM's gas distribution channels and secondary work chamber; Described secondary relief opening is communicated with the exhaust space in secondary work chamber and the relief opening on the end cap inner side end.
Preferably, the inwall of described external rotor and distribution separator abutting end is provided with the exhaust passage of three indents, and three exhaust passages lay respectively at by three slide plates and are separated to form in three active chambers that seal relatively, so that increase the exhaust space of elementary active chamber and the flow area between the elementary relief opening.
Preferably, described rotor specifically comprises chassis and the cylindric rotor body that is axially stretched out by the inner surface on chassis; The middle part on described chassis has the through hole that installs transmission shaft, and is respectively arranged with suitable stop surface on this through hole and the transmission shaft, so that transmission shaft drives described rotor rotation; Along described rotor axially, the both sides end face of three slide plates offsets with the chassis and the distribution separator of rotor respectively.
Preferably, described three slide plates are along the circumferential uniform setting of rotor.
Preferably, the inside and outside end face of described three slide plates is the plane; With each slide plate accordingly, be respectively arranged with the working plane that offsets and cooperate with the end plane of slide plate on the outer surface of described internal rotor and the inwall of described external rotor.
Preferably, along the sense of rotation of described rotor, the passage section of the elementary suction port on the described distribution separator, elementary relief opening and secondary suction port increases gradually, the passage section of secondary relief opening reduces gradually.
Preferably, described transmission shaft has axial hole, and is provided with spiral Oil Guide blade in this axial hole, so that along with lubricant oil is extracted in the rotation of transmission shaft.
Preferably, the inlet of described gas-entered passageway is arranged at the outer surface of described end cap, and the outlet of described exhaust passage is arranged at the axial end of described end cap.
Hermetically sealed refrigerating compressor unit provided by the invention comprises casing and places casing interior motor and compressor unit; Described compressor unit adopts foregoing rotor compressor unit, and the cylinder of described rotor compressor unit is fixedlyed connected with casing, and its transmission shaft is fixedlyed connected with the rotor of motor.
Compared with prior art, rotor compressor unit provided by the invention has internal rotor, rotor and the external rotor of nested setting from the inside to the outside, has formed elementary active chamber and secondary work chamber; Three slide plates that are plugged in the rotor radial chute offset with the outer surface of described internal rotor and the inwall of described external rotor respectively, and the two-stage volume chamber is separated to form three active chambers.In working order down, pressurized gas in the compressor case act on rotor by the through hole of cylinder bottom, rotor and distribution separator are fitted better, simultaneously, under the driving of motor, rotor drives internal rotor and external rotor eccentric rotary by the end of three slide plates, in a rotation period, the volume of the active chamber that each seals relatively periodically changes, and forms breathing space, compression volume and exhaust space successively.Simultaneously, between end cap and three rotors, be provided with gas distribution channels, discharge through the end cap relief opening so that gas enters the gas that the gas after elementary active chamber carries out elementary compression, elementary compression enters after secondary compression and secondary compression are carried out in the secondary work chamber through the end cap suction port.
Reasonable in design of the present invention, compactness, technology capability is better; The useful technique effect of its generation is specific as follows:
At first, the pressure of the elementary compression in the two stage compression is less relatively, and based on identical compression ratio, cylinder pressure of the present invention is less, thereby can reduce leakage, raises the efficiency.
Secondly, because the pressurized gas in the compressor case act on rotor by the through hole of cylinder bottom, thereby make the lower end surface of rotor and distribution separator fit tightly, thereby reduced the gap between internal rotor, external rotor, slide plate and the distribution separator, form the active chamber of sealing relatively.Compared with prior art, this programme has omitted corresponding Sealing, to reduce manufacture cost.In addition, along with the wearing and tearing of each rotor and slide plate, the gap between each fitting surface is more even, and rotor still closely contacts with the distribution separator under the effect of pressurized gas, further reduces the leakage of complete machine.
Once more, utilize the gas distribution channels that is provided with on the end cap to be communicated with inside and outside two active chambers, thereby can reduce invalid volume, improve refrigerating capacity, and then improve the effective performance coefficient of compressor.
The 4th, when part time job, rely on and use the method that reduces the slit automatically, ensured the ability to work of compressor.
The 5th, adopt the uniform structural design of slide plate, need not to use the running balance that counterweight can be guaranteed compressor, and then effectively reduce pressure pulsation and noise.
Rotor compressor unit provided by the invention is specially adapted to hermetically sealed refrigerating compressor unit applicable to the compressor of any pattern.
Description of drawings
Fig. 1 is the plan view of hermetically sealed refrigerating compressor unit described in the embodiment;
Fig. 2 is the sectional view of the slice location of A-A shown in Fig. 1;
Fig. 3 is the shaft side figure of rotor compressor unit described in the embodiment;
Fig. 4 is the biopsy cavity marker devices shaft side figure of rotor compressor unit described in the embodiment;
Fig. 5 is the axial exploded view of rotor compressor unit described in the embodiment;
Fig. 6 is the overall structure schematic representation of rotor described in the embodiment;
Fig. 7 is the half sectional view that assembly relation between internal rotor, rotor, external rotor and the transmission shaft is shown;
Fig. 8 is the sectional view of the slice location of B-B shown in Fig. 7;
Fig. 9 is the overall structure schematic representation of end cap described in the embodiment;
Figure 10 is the plan view of the separator of distribution described in the embodiment;
Figure 11 is the schematic representation that separator of distribution described in the embodiment and end cap are assembled into one;
Figure 12 is the assembly relation exploded view of three rotors described in the embodiment and distribution separator;
Figure 13-1, Figure 13-2, Figure 13-3, Figure 13-4, Figure 13-5 and Figure 13-6 show six feature locations of rotor compressor unit operation period respectively.
Among the figure:
Vapor-liquid separator 10, casing 20, motor 30, rotor 301, compressor unit 40;
Embodiment
Core of the present invention provides a kind of rotor compressor unit that carries out two stage compression, with the working efficiency of effective raising rotor compressor unit.
The described herein inside and outside noun of locality that waits is as inboard benchmark definition with the axle center of transmission shaft; The use that should be appreciated that the aforementioned noun of locality should not limit the scope that the application asks for protection.
Being without loss of generality, is that example specifies present embodiment with the hermetically sealed refrigerating compressor unit.
See also Fig. 1 and Fig. 2, wherein, Fig. 1 is the plan view of the described hermetically sealed refrigerating compressor unit of present embodiment; Fig. 2 is the sectional view of the slice location of A-A shown in Fig. 1.
This hermetically sealed refrigerating compressor unit comprises vapor-liquid separator 10, casing 20, motor 30 and rotor compressor unit 40; Wherein, the outer cylinder of rotor compressor unit 40 is fixedlyed connected with casing 20, and its transmission shaft fixedlys connected with the rotor of motor 30, thereby can rotate under the driving of rotor; Vapor-liquid separator 10 places a side of casing 20, and its outlet is communicated with the admission line of rotor compressor unit 40 by the road.
Need to prove that main function components such as aforementioned vapor-liquid separator 10, casing 20 and motor 30 are same as the prior art, those of ordinary skill in the art can realize fully based on prior art, so this paper repeats no more.To be described in detail at the structure and the working principle of rotor compression unit 40 below.
See also Fig. 3, Fig. 4 and Fig. 5, wherein, Fig. 3 is the shaft side figure of the described rotor compressor unit of present embodiment, and Fig. 4 is the biopsy cavity marker devices shaft side figure of rotor compressor unit shown in Fig. 3, and Fig. 5 is the axial exploded view of the described rotor compressor unit of present embodiment.
This rotor compressor unit comprises cylinder 1 with indent accommodating part 11, end cap 2, rotor 3, transmission shaft 4, internal rotor 5, external rotor 6, three slide plates 7 and distribution separators 8.
Particularly, see also Fig. 6, this figure is the overall structure schematic representation of rotor.Shown in the figure, rotor 3 is by chassis 32 and the cylindric rotor body 33 that axially stretched out by the inner surface on chassis 32; The middle part on chassis 32 has the through hole 34 that installs transmission shaft 4, and aforementioned stop surface 31 is positioned on the inwall of this through hole 34.
In addition, as shown in Figure 4 and Figure 5, the bottom of cylinder 1 is provided with two through holes 13.As shown in Figure 2, after rotor compressor unit 40 places in the casing 20, cylinder 1 inner chamber is communicated with by casing 20 chambers of two through holes 13 with its top, under the working state, pressurized gas in the casing 20 act on rotor 3 by this through hole 13, thereby reduced the gap between internal rotor 5, external rotor 6, slide plate 7 and the distribution separator 8, formed the active chamber of sealing relatively.
See also Fig. 7 and Fig. 8, wherein, Fig. 7 is the half sectional view of assembly relation between internal rotor, rotor, external rotor and the transmission shaft, and Fig. 8 is the sectional view of B-B slice location shown in Fig. 7.
Under the driving of motor, three slide plates 7 rotate in the lump with rotor 3, and are nested with at internal rotor 5 and are provided with lining 9, to guarantee that inside and outside rotor is with respect to rotor eccentric rotary swimmingly.And the inside and outside end face of slide plate 7 drives internal rotor 5 and external rotor 6 respectively with respect to rotor 3 eccentric rotary, each relatively the volume of the active chamber of sealing periodically change, form breathing space, compression volume and exhaust space successively.
Particularly, three slide plates 7 are pulsed with balance work preferably along the circumferential uniform setting of rotor 3.As shown in Figure 8, the inside and outside end face of three slide plates 7 is the plane; With each slide plate 7 accordingly, be respectively arranged with the working plane that offsets and cooperate with the end plane of slide plate 7 on the inwall of the outer surface of internal rotor 5 and external rotor 6.
See also Fig. 9, this figure is the overall structure schematic representation of end cap.The inner side end of end cap 2 is provided with respectively suction port 22 and the relief opening 23 with the inlet and outlet channel connection; Gas-entered passageway inlet 25 is arranged at the outer surface of end cap 2, and exhaust passage outlet 26 is arranged at the axial end of end cap 2.
Be provided with gas distribution channels between end cap 2 and three rotors, discharge through the end cap relief opening so that gas enters the gas that the gas after elementary active chamber carries out elementary compression, elementary compression enters after secondary compression and secondary compression are carried out in the secondary work chamber through the end cap suction port.
For improving greasy property, in conjunction with Fig. 5 and shown in Figure 7, transmission shaft 4 has Oil Guide axial hole 42, and is provided with spiral Oil Guide blade 43 in this axial hole 42, so that along with lubricant oil is extracted in the rotation of transmission shaft 4, thereby provide sufficient lubricating oil liquid for the part of rotor compressor top.
Particularly, please in the lump referring to Fig. 9, Figure 10 and Figure 11, wherein, Figure 10 is the plan view of distribution separator; Figure 11 is assembled into the schematic representation of one for distribution separator and end cap.
Aforementioned gas distribution channels is specially and is arranged on the UNICOM's gas distribution channels 24 on end cap 2 inner side ends and is arranged on elementary suction port 81, elementary relief opening 82, secondary suction port 83 and secondary relief opening 84 on the distribution separator 8; Wherein, suction port 22 on elementary suction port 81 connection end caps 2 inner side ends and the breathing space of elementary active chamber C1; Elementary relief opening 81 is communicated with the exhaust space of elementary active chamber C1 and the UNICOM's gas distribution channels 24 on end cap 2 inner side ends; Secondary suction port 83 is communicated with the breathing space of UNICOM's gas distribution channels 24 and secondary work chamber C2; Secondary relief opening 84 is communicated with the exhaust space of secondary work chamber C2 and the relief opening 23 on end cap 2 inner side ends.
Preferably, along the sense of rotation of rotor 3, the passage section of the elementary suction port 81 on the distribution separator 8, elementary relief opening 82 and secondary suction port 83 increases gradually, the passage section of secondary relief opening 84 reduces gradually.
In addition, see also Figure 12, this figure is the assembly relation exploded view of three rotors and distribution separator.The inwall of external rotor 6 and distribution separator 8 abutting ends is provided with the exhaust passage 61 of three indents, and three exhaust passages 61 lay respectively at by three slide plates 7 and are separated to form in three active chambers that seal relatively, so that increase the exhaust space of elementary active chamber C1 and the flow area between the elementary relief opening 82.
Need to prove that the sectional shape of exhaust passage 61 is not limited to the indent inclined-plane shown in the figure, all can as long as satisfy the use needs that increase flow area.
Working principle below in conjunction with feature locations picture group 13-1,13-2,13-3,13-4,13-5, the described rotor compressor unit of 13-6 brief description.
In the working procedure, rotor is rotated counterclockwise shown in arrow among the figure.
One, the active chamber (the elementary active chamber space between slide plate 71 and the slide plate 72) with elementary active chamber is an example, and a work cycle of elementary compression is described.
Elementary breathing process: because the elementary suction port 81 of distribution separator 8 is communicated with the suction port 22 of end cap 2, mixed gas enters elementary active chamber C1 between slide plate 71 and the slide plate 72 through elementary suction port 81, shown in Figure 13-1; Along with the rotation of rotor, the spatial volume of the elementary active chamber C1 between slide plate 71 and the slide plate 72 increases gradually, overlaps area between this space and the elementary suction port 81 and also increases gradually, shown in Figure 13-2; Until the volume in this space to maximum limit, shown in Figure 13-3; In this process, the elementary active chamber C1 between slide plate 71 and the slide plate 72 is a breathing space.
Elementary compression process: along with the rotation of rotor, elementary active chamber C1 between slide plate 71 and the slide plate 72 and elementary suction port 81 disconnect, and compression process begins, and shown in Figure 13-4, the volume until this space is decreased to minimum limit value, shown in Figure 13-5; In this process, the elementary active chamber C1 between slide plate 71 and the slide plate 72 is a compression volume.
Elementary exhaust process: along with being rotated further of rotor, the spatial volume of elementary active chamber C1 between slide plate 71 and the slide plate 72 continues to reduce, this space is communicated with elementary relief opening 82, compression finishes, exhaust begins, and the mixed gas after elementary compression is finished enters in UNICOM's gas distribution channels 24 on the end cap 2 that is communicated with elementary relief opening 82; In this process, the elementary active chamber C1 between slide plate 71 and the slide plate 72 is an exhaust space.Exhaust passage 61 on the aforementioned external rotor 6 can further increase flow area between this exhaust space and the elementary relief opening 82.
Two, the active chamber (the secondary work cavity space between slide plate 71 and the slide plate 72) with the secondary work chamber is an example, and a work cycle of secondary compression is described.
Secondary breathing process: because the UNICOM's gas distribution channels 24 on the end cap 2 is communicated with secondary suction port 83, enter secondary work chamber C2 between slide plate 71 and the slide plate 72 through the mixed gas after the elementary compression through secondary suction port 83, rotation along with rotor, the spatial volume of secondary work chamber C2 between slide plate 71 and the slide plate 72 increases gradually, overlap area between this space and the secondary suction port 83 and also increase gradually, shown in Figure 13-5; Until the volume in this space to maximum limit, shown in Figure 13-6; In this process, the secondary work chamber C2 between slide plate 71 and the slide plate 72 is a breathing space.
Secondary compression process: along with the rotation of rotor, secondary work chamber C2 between slide plate 71 and the slide plate 72 and secondary suction port 83 disconnect, and compression process begins, and shown in Figure 13-1, the volume until this space is decreased to minimum limit value, shown in Figure 13-2; In this process, the secondary work chamber C2 between slide plate 71 and the slide plate 72 is a compression volume.
Secondary exhaust process: along with being rotated further of rotor, the spatial volume of secondary work chamber C2 between slide plate 71 and the slide plate 72 continues to reduce, this space is communicated with secondary relief opening 84, compression finishes, exhaust begins, and the mixed gas warp after secondary compression is finished is discharged with the relief opening 26 on the end cap 2 that secondary relief opening 84 is communicated with; In this process, the secondary work chamber C2 between slide plate 71 and the slide plate 72 is an exhaust space.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. rotor compressor unit comprises:
Cylinder has the indent accommodating part;
End cap cooperates with the indent accommodating part of described cylinder to form internal chamber, and its inner side end is provided with respectively the inlet and outlet mouth with the inlet and outlet channel connection;
Rotor places described internal chamber; With
Transmission shaft, the one end through described cylinder be plugged on the described end cap, the other end is used for links to each other with rotor; And described rotor is set on the transmission shaft; It is characterized in that, also comprise:
Internal rotor is built in the inside of described rotor;
External rotor is set in the outside of described rotor; With
Three slide plates are separately positioned in described epitrochanterian three radial grooves; The inside and outside end of each slide plate stretches out through corresponding radial groove respectively, and offsets with the outer surface of described internal rotor and the inwall of described external rotor respectively; And the bottom of described cylinder has through hole;
The coaxial setting of described internal rotor and external rotor and both form between external rotor and the rotor and form the secondary work chamber between elementary active chamber, rotor and the internal rotor with respect to the rotor eccentricity setting; Elementary active chamber and secondary work chamber are separated to form the active chamber of three relative sealings by three slide plates; When described three slide plates and rotor rotate in the lump, and the inside and outside end face of slide plate drives internal rotor respectively and external rotor rotates with respect to rotor eccentricity, the volume of the active chamber that each seals relatively periodically changes, and forms breathing space, compression volume and exhaust space successively; Be provided with gas distribution channels between described end cap and three rotors, discharge through the end cap relief opening so that gas enters the gas that the gas after elementary active chamber carries out elementary compression, elementary compression enters after secondary compression and secondary compression are carried out in the secondary work chamber through the end cap suction port.
2. rotor compressor unit according to claim 1 is characterized in that, also comprises the distribution separator on the inner side end that is fixedly installed on described end cap; Described gas distribution channels is specially the UNICOM's gas distribution channels that is arranged on the end cap inner side end and is arranged on the elementary suction port on the described distribution separator, elementary relief opening, secondary suction port and secondary relief opening; Wherein, the suction port on the described elementary suction port connection end cap inner side end and the breathing space of elementary active chamber; Described elementary relief opening is communicated with the exhaust space of elementary active chamber and the UNICOM's gas distribution channels on the end cap inner side end; Described secondary suction port is communicated with the breathing space in UNICOM's gas distribution channels and secondary work chamber; Described secondary relief opening is communicated with the exhaust space in secondary work chamber and the relief opening on the end cap inner side end.
3. rotor compressor unit according to claim 2, it is characterized in that, the inwall of described external rotor and distribution separator abutting end is provided with the exhaust passage of three indents, and three exhaust passages lay respectively at by three slide plates and are separated to form in three active chambers that seal relatively, so that increase the exhaust space of elementary active chamber and the flow area between the elementary relief opening.
4. rotor compressor unit according to claim 3 is characterized in that, described rotor specifically comprises chassis and the cylindric rotor body that is axially stretched out by the inner surface on chassis; The middle part on described chassis has the through hole that installs transmission shaft, and is respectively arranged with suitable stop surface on this through hole and the transmission shaft, so that transmission shaft drives described rotor rotation; Along described rotor axially, the both sides end face of three slide plates offsets with the chassis and the distribution separator of rotor respectively.
5. rotor compressor unit according to claim 4 is characterized in that, described three slide plates are along the circumferential uniform setting of rotor.
6. rotor compressor unit according to claim 5 is characterized in that, the inside and outside end face of described three slide plates is the plane; With each slide plate accordingly, be respectively arranged with the working plane that offsets and cooperate with the end plane of slide plate on the outer surface of described internal rotor and the inwall of described external rotor.
7. rotor compressor unit according to claim 6, it is characterized in that, along the sense of rotation of described rotor, the passage section of the elementary suction port on the described distribution separator, elementary relief opening and secondary suction port increases gradually, the passage section of secondary relief opening reduces gradually.
8. rotor compressor unit according to claim 1 is characterized in that described transmission shaft has axial hole, and is provided with spiral Oil Guide blade in this axial hole, so that along with lubricant oil is extracted in the rotation of transmission shaft.
9. rotor compressor unit according to claim 1 is characterized in that, the inlet of described gas-entered passageway is arranged at the outer surface of described end cap, and the outlet of described exhaust passage is arranged at the axial end of described end cap.
10. hermetically sealed refrigerating compressor unit comprises casing and places casing interior motor and compressor unit; It is characterized in that described compressor unit adopts each described rotor compressor unit in the claim 1 to 9, the cylinder of described rotor compressor unit is fixedlyed connected with casing, and its transmission shaft is fixedlyed connected with the rotor of motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102609206A CN101776078B (en) | 2009-12-17 | 2009-12-17 | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
| PCT/CN2010/079919 WO2011072617A1 (en) | 2009-12-17 | 2010-12-17 | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102609206A CN101776078B (en) | 2009-12-17 | 2009-12-17 | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101776078A true CN101776078A (en) | 2010-07-14 |
| CN101776078B CN101776078B (en) | 2011-09-07 |
Family
ID=42512631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102609206A Expired - Fee Related CN101776078B (en) | 2009-12-17 | 2009-12-17 | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101776078B (en) |
| WO (1) | WO2011072617A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072617A1 (en) * | 2009-12-17 | 2011-06-23 | 湖北新火炬科技股份有限公司 | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
| CN103171169A (en) * | 2011-12-23 | 2013-06-26 | 覃志庆 | Slide sheet type squeezer |
| CN103967788A (en) * | 2013-02-05 | 2014-08-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly, compressor, air conditioner and heat pump water heater |
| WO2018088960A1 (en) * | 2016-11-11 | 2018-05-17 | Sanden International (Singapore) Pte Ltd | A revolving vane compressor and method of operating and manufacturing the same |
| CN111734494A (en) * | 2019-03-25 | 2020-10-02 | 宋洪涛 | Sliding vane type pneumatic motor and gas compressor and internal combustion engine derived from same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485007B (en) * | 2016-01-20 | 2017-12-08 | 西安交通大学 | The rotary compressor of unit two-stage compression |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2280272A (en) * | 1940-05-13 | 1942-04-21 | Citles Service Oil Company | Fluid pump |
| CH567659A5 (en) * | 1973-04-13 | 1975-10-15 | Fend Heinrich | |
| US4015441A (en) * | 1976-03-10 | 1977-04-05 | Robinet Sylvia J | Refrigeration apparatus |
| JPS5874890A (en) * | 1981-10-30 | 1983-05-06 | Hitachi Ltd | Rotary vane type compressor |
| FR2645599B1 (en) * | 1989-04-11 | 1994-03-25 | Alcatel Cit | VACUUM PUMP, DRY, VANE |
| IT1268639B1 (en) * | 1994-10-21 | 1997-03-06 | Gilardini Spa | ROTARY VANE COMPRESSOR |
| CN2525282Y (en) * | 2001-11-27 | 2002-12-11 | 西安交通大学 | Jacket cylinder type rolling rotor compressor |
| CN1598320A (en) * | 2004-08-02 | 2005-03-23 | 白明 | Positive displacement compressing pump |
| CN101418797A (en) * | 2008-09-23 | 2009-04-29 | 邬志昂 | Air compressor |
| CN201513346U (en) * | 2009-12-17 | 2010-06-23 | 湖北新火炬科技股份有限公司 | Full-enclosed refrigeration compressor and rotor compressor unit |
| CN101776078B (en) * | 2009-12-17 | 2011-09-07 | 湖北新火炬科技股份有限公司 | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
-
2009
- 2009-12-17 CN CN2009102609206A patent/CN101776078B/en not_active Expired - Fee Related
-
2010
- 2010-12-17 WO PCT/CN2010/079919 patent/WO2011072617A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072617A1 (en) * | 2009-12-17 | 2011-06-23 | 湖北新火炬科技股份有限公司 | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
| CN103171169A (en) * | 2011-12-23 | 2013-06-26 | 覃志庆 | Slide sheet type squeezer |
| CN103171169B (en) * | 2011-12-23 | 2015-02-25 | 覃志庆 | Slide sheet type squeezer |
| CN103967788A (en) * | 2013-02-05 | 2014-08-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly, compressor, air conditioner and heat pump water heater |
| WO2018088960A1 (en) * | 2016-11-11 | 2018-05-17 | Sanden International (Singapore) Pte Ltd | A revolving vane compressor and method of operating and manufacturing the same |
| CN111734494A (en) * | 2019-03-25 | 2020-10-02 | 宋洪涛 | Sliding vane type pneumatic motor and gas compressor and internal combustion engine derived from same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011072617A1 (en) | 2011-06-23 |
| CN101776078B (en) | 2011-09-07 |
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Address after: 441004 automobile industry park, hi tech Industrial Development Zone, Hubei, Xiangfan Patentee after: The new torch Science and Technology Ltd. in Hubei Address before: 441004 automobile industry park, hi tech Industrial Development Zone, Hubei, Xiangfan Patentee before: Hubei New Torch Science & Technology Co., Ltd. |
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Granted publication date: 20110907 Termination date: 20201217 |