CN106438359A

CN106438359A - Compressor, heat exchange equipment and running method of compressor

Info

Publication number: CN106438359A
Application number: CN201510482483.8A
Authority: CN
Inventors: 杜忠诚; 徐嘉; 杨森; 任丽萍; 孔令超; 张金圈; 梁社兵; 邓丽颖; 丁宁; 苏圣桐
Original assignee: Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2015-08-07
Filing date: 2015-08-07
Publication date: 2017-02-22
Anticipated expiration: 2035-08-07
Also published as: CN106438359B; WO2017024866A1

Abstract

The invention provides a compressor, heat exchange equipment and a running method of the compressor. The compressor comprises an upper flange, a lower flange, at least two gas cylinders, a rotating shaft assembly and a piston assembly; the at least two gas cylinders are sandwiched between the upper flange and the lower flange, and any two adjacent gas cylinders communicate with each other, so that the compressor is a multi-stage compressor; the rotating shaft assembly sequentially penetrates through the upper flange, the gas cylinders and the lower flange and comprises subsidiary rotating shafts in one-to-one correspondence with the at least two gas cylinders, axes of the subsidiary rotating shafts and axes of the gas cylinders corresponding to the subsidiary rotating shafts are arranged eccentrically, and the eccentric distance is fixed; the piston assembly comprises variable-volume cavities in one-to-one correspondence with the gas cylinders and can be arranged in the gas cylinders in a pivoted manner, and at least one subsidiary rotating shaft is in driving connection with the piston assembly to change the volume of the variable-volume cavities. With the compressor, vibration can be effectively alleviated, the volume change of the variable-volume cavities has a rule, and the clearance volume is reduced, so that the running stability of the compressor is improved.

Description

The operation method of compressor, heat transmission equipment and compressor

Technical field

The present invention relates to heat-exchange system technical field, in particular to the operation of a kind of compressor, heat transmission equipment and compressor Method.

Background technology

Compressor of the prior art includes compressor and decompressor etc..Taking compressor as a example.

, in motor process, the position of the barycenter of the two is change for the sub- rotating shaft of piston compressor of the prior art and cylinder. Motor driven crankshafts export power, are moved back and forth by crankshaft driving piston and come compressed gas or liquid acting, to reach in cylinder Compressed gas or the purpose of liquid.

There is many defects in traditional piston compressor：Due to the presence of suction valve chip and exhaust valve plate, lead to suction, aerofluxuss resistance Power increases, and increased suction and discharge noise simultaneously；Side force suffered by the cylinder of compressor is larger, and side force flogs a dead horse, and reduces pressure Contracting engine efficiency；Bent axle drives reciprocating motion of the pistons, and eccentric mass is larger, leads to vibration of compressor big；Compressor is by crank even Linkage drives one or more pistons works, complex structure；The side force that bent axle and piston are subject to is larger, and piston easily weares and teares, Piston seal performance is led to reduce.And due to there is clearance volume in existing compressor, the reason such as leakage is big, volumetric efficiency is low, and It has been difficult to improve further.

Moreover, the barycenter of the eccentric part in piston compressor moves in a circle and produces that size is constant, direction changes Centrifugal force, this centrifugal force leads to vibration of compressor to aggravate.

Content of the invention

Present invention is primarily targeted at providing the operation method of a kind of compressor, heat transmission equipment and compressor, to solve existing skill Compressor in art has that motion is unstable, vibration is big, there is clearance volume.

To achieve these goals, according to an aspect of the invention, it is provided a kind of compressor, including：Upper flange；Purgation Blue；At least two cylinders, at least two cylinders are folded between upper flange and lower flange, and two cylinders of arbitrary neighborhood are interconnected So that compressor forms compound compressor；Rotating assembly, rotating assembly sequentially passes through upper flange, cylinder and lower flange, rotating shaft group Part includes corresponding the sub- rotating shaft of setting with each cylinder at least two cylinders, and the axle center of sub- rotating shaft is corresponding with this sub- rotating shaft The axle center eccentric setting of cylinder and eccentric distance fix；Piston component, piston component is had and is become correspondingly with each cylinder Cavity volume, piston component is pivotally disposed in cylinder, and at least one sub- rotating shaft and piston component drive connection are to change change The volume of cavity volume.

Further, piston component includes：Piston bush, piston bush is pivotally disposed in cylinder；At least two pistons, live Plug is slidably arranged in form capacity chamber in piston bush, and capacity chamber is located in the glide direction of piston.

Further, cylinder, sub- rotating shaft, piston are respectively two, and a sub- rotating shaft is driving shaft, stretches into close through upper flange In the cylinder of upper flange side, and it is connected with the piston movement in this cylinder；Another sub- rotating shaft is driven axle, through lower flange Stretch in the cylinder of lower flange side, and be connected with the piston movement in this cylinder.

Further, driving shaft is rotated by Motor drive, and driven axle drives rotation indirectly by driving shaft.

Further, piston has the slip hole along sub- rotating shaft axially through setting, and sub- rotating shaft passes through slip hole, with driving shaft The piston of cooperation rotates with driving shaft and simultaneously past in piston bush along the axis direction perpendicular to driving shaft under the driving of driving shaft Multiple slip；With driven axle cooperation piston, rotate with piston bush under the driving of piston bush and drive driven axle rotate, simultaneously with The piston of driven axle cooperation reciprocatingly slides in piston bush along the axis direction perpendicular to driven axle.

Further, slip hole is elongated hole or mounting hole.

Further, piston has symmetrically arranged a pair of the curved surfaces of middle vertical plane along piston, the interior table of curved surfaces and cylinder Face adaptability cooperation, and two times of the cambered surface radius of curvature of curved surfaces are equal to the internal diameter of cylinder.

Further, piston is cylindrical.

Further, there is in piston bush the pilot hole of the radial direction insertion setting along piston bush, pilot hole is at least two, each Guiding in the hole is correspondingly arranged on a piston, and piston is slidably arranged in the guiding conventional linear motion of in the hole.

Further, the axis of each pilot hole is all parallel.

Further, form dividing plate between two neighboring pilot hole in piston bush, dividing plate offers two neighboring for connecting The oil-through hole of pilot hole.

Further, the axis of oil-through hole is paralleled with the axis of sub- rotating shaft.

Further, orthographic projection at lower flange for the pilot hole has a pair parallel straightway, a pair parallel straightway A pair parallel internal face projection for piston bush is formed, and piston has the internal face shape phase paralleled for a pair with pilot hole Adaptation and the outer mold surface of sliding cooperation.

Further, first thrust surface towards lower flange side of piston bush is contacted with the surface of lower flange.

Further, sub- rotating shaft has the sliding section being slidably matched with piston component, and sliding section is located at the close cylinder of sub- rotating shaft One end, and sliding section has sliding mating surface.

Further, sliding mating surface is symmetricly set on the both sides of sliding section.

Further, sliding mating surface is paralleled with the axial plane of sub- rotating shaft, the inwall of the slip hole of sliding mating surface and piston Face is slidably matched on the axis direction perpendicular to sub- rotating shaft.

Further, compressor also includes the intermediate flow channel being arranged on cylinder, and two neighboring cylinder is connected by intermediate flow channel.

Further, the cylinder wall of the low-pressure stage cylinder at least two cylinders has air inlet and connected entrance, and connected entrance passes through low The intermediate flow channel arbitrarily downgraded on cylinder is connected with the intermediate flow channel of the hiigh pressure stage cylinder at least two cylinders.

Further, the internal face of the cylinder wall of low-pressure stage cylinder has a low-pressure stage air inlet dashpot, low-pressure stage air inlet dashpot with Air inlet connects.

Further, low-pressure stage air inlet dashpot is curved section in the sagittal plane of low-pressure stage cylinder, and low-pressure stage air inlet buffering The two ends of groove are extended to connected entrance position by air inlet.

Further, the outside wall surface of the cylinder wall of low-pressure stage cylinder has connectivity slot, and connected entrance is connected with connectivity slot, and compressor is also Including shrouding, the notch that shrouding is arranged on connectivity slot is sentenced and is closed connectivity slot, and connectivity slot forms low-pressure stage cylinder with connected entrance Intermediate flow channel.

Further, the internal face of the cylinder wall of hiigh pressure stage cylinder has hiigh pressure stage air inlet dashpot and air vent, hiigh pressure stage air inlet Dashpot is connected with the intermediate flow channel of hiigh pressure stage cylinder, and air vent is connected with the cavity of compressor.

Further, hiigh pressure stage cylinder also has gas supplementing opening, and gas supplementing opening is connected with hiigh pressure stage air inlet dashpot.

Further, hiigh pressure stage air inlet dashpot is curved section in the sagittal plane of hiigh pressure stage cylinder, and hiigh pressure stage air inlet buffering The two ends of groove are extended to air vent position by gas supplementing opening.

Further, sub- rotating shaft has oil leab, and oil leab includes the internal galleries being arranged within sub- rotating shaft and is arranged on Outside oil duct at sliding mating surface and the oil through of connection internal galleries and outside oil duct.

Further, two neighboring cylinder heart setting coaxially to each other.

Further, the axle center eccentric setting of the cylinder that the axle center of upper flange is arranged with close upper flange side.

Further, the axle center eccentric setting of the cylinder that the axle center of lower flange is arranged with close lower flange side.

Further, compressor also includes gripper shoe, and gripper shoe is arranged on the end face away from cylinder side of lower flange, and To support rotating assembly, gripper shoe has the second thrust surface for supporting rotating assembly for fagging setting concentric with lower flange.

Further, compressor also includes at least two exhaust valve components, and connected entrance and exhaust ports all correspondences are each provided with one Exhaust valve component.

Further, the outer wall of the cylinder wall of hiigh pressure stage cylinder offers holding tank, the bottom land of air vent insertion holding tank, one Individual exhaust valve component is arranged in holding tank.

Further, each exhaust valve component all includes：Exhaust valve plate, exhaust valve plate blocks connected entrance or air vent；Valve block keeps off Plate, valve block baffle plate is stacked on exhaust valve plate.

According to a further aspect in the invention, there is provided a kind of heat transmission equipment, including compressor, compressor is above-mentioned compressor.

Further, heat transmission equipment also includes First Heat Exchanger, the second heat exchanger and cross valve, compressor, First Heat Exchanger and Second heat exchanger forms circulating heat exchanging pipe by cross valve, and heat transmission equipment also includes：Flash vessel, flash vessel is arranged on circulating picture-changing On pipe line and positioned between First Heat Exchanger and the second heat exchanger；QI invigorating branch road, the first end of QI invigorating branch road is connected with flash vessel, Second end of QI invigorating branch road is connected with the gas supplementing opening of the hiigh pressure stage cylinder of compressor.

According to a further aspect in the invention, there is provided a kind of operation method of compressor, including：Sub- rotating shaft is around the axle center O of sub- rotating shaft₁ Rotate；Cylinder is around the axle center O of cylinder₂Rotate, and with the axle center eccentric setting of cylinder and eccentric distance is fixed in the axle center of sub- rotating shaft； The piston of piston component under the driving of sub- rotating shaft with sub- rotating shaft rotation and simultaneously edge perpendicular to sub- rotating shaft axis direction in piston set Reciprocatingly slide in the piston bush of part.

Further, operation method adopts cross slides principle, and wherein, piston is as slide block, the sliding cooperation of sub- rotating shaft Face is as first connecting rod l₁, the pilot hole of piston bush is as second connecting rod l₂.

Application technical scheme, is interconnected so that compressor forms compound compressor between two cylinders of arbitrary neighborhood, By by the axle center eccentric setting of corresponding with this sub- rotating shaft for the axle center of the sub- rotating shaft in rotating assembly cylinder and eccentric distance is solid Fixed, so that sub- rotating shaft and cylinder rotate around respective axle center in motor process, and centroid position is constant, so that piston set Part, in cylinder motion, can be stablized and continuously rotate, and effectively alleviate the vibration of compressor, and ensure capacity chamber Volume change has rule, reduces clearance volume, thus improve the operation stability of compressor, and then improves heat exchange and sets Standby functional reliability.

Brief description

The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 shows the structural representation of the compressor in the present invention；

Fig. 2 shows the explosive view of the pump assembly in the present invention；

Fig. 3 shows sub- rotating shaft in the present invention, the installation relation schematic diagram of upper flange, cylinder and lower flange；

Fig. 4 shows the internal structure schematic diagram of Fig. 3；

Fig. 5 shows the installation relation schematic diagram of piston bush, piston and sub- rotating shaft in the present invention；

Fig. 6 shows upper flange in the present invention, the installation relation schematic diagram of piston bush, piston and sub- rotating shaft；

Fig. 7 shows the structural representation of the sub- rotating shaft of close upper flange side in the present invention；

Fig. 8 shows the internal structure schematic diagram of the sub- rotating shaft in Fig. 7；

Fig. 9 shows the structural representation of the sub- rotating shaft of close lower flange side in the present invention；

Figure 10 a shows the internal structure schematic diagram of the sub- rotating shaft in Fig. 9；

Figure 10 b shows the top view of the sub- rotating shaft in Fig. 9；

Figure 11 shows the structural representation of the piston in the present invention；

Figure 12 shows the structural representation of another angle of the piston in Figure 11；

Figure 13 shows the structural representation of the gripper shoe in the present invention；

Figure 14 shows the structural representation of the piston bush in the present invention；

Figure 15 shows the sectional view of the piston bush in the present invention；

Figure 16 shows the structural representation of the upper flange in the present invention；

Figure 17 shows the structural representation of the lower flange in the present invention；

Figure 18 shows the bias in the axle center of sub- rotating shaft of close lower flange side at the lower flange of Figure 17 and piston bush axle center Relation schematic diagram；

Figure 19 shows the structural representation of the hiigh pressure stage cylinder in the present invention；

Figure 20 shows the sectional view of the hiigh pressure stage cylinder in Figure 19；

Figure 21 shows hiigh pressure stage cylinder in the present invention, the assembly relation schematic diagram of sub- rotating shaft, piston bush and piston；

Figure 22 shows the structural representation of the low-pressure stage cylinder in the present invention；

Figure 23 shows the sectional view of the low-pressure stage cylinder in Figure 22；

Figure 24 shows the sectional view of another angle of low-pressure stage cylinder in Figure 22；

Figure 25 shows low-pressure stage cylinder in the present invention, the assembly relation schematic diagram of sub- rotating shaft, piston bush and piston；

Figure 26 shows the assembly relation schematic diagram of the low-pressure stage cylinder in the present invention and hiigh pressure stage cylinder；

Figure 27 shows the explosive view of Figure 26；

Figure 28 shows the sectional view of one of Figure 26 angle；

Figure 29 shows that the piston in the present invention is in working state schematic representation when preparing to start air-breathing；

Figure 30 shows that the piston in the present invention is in the working state schematic representation in breathing process；

Figure 31 shows that the piston in the present invention is in air-breathing and completes and start working state schematic representation when compressing；

Figure 32 shows that the piston in the present invention is in working state schematic representation when gas compression aerofluxuss；

Figure 33 shows that the piston in the present invention is in working state schematic representation when aerofluxuss complete；

Figure 34 shows the structural representation of the heat transmission equipment in the present invention；

Figure 35 shows the working state schematic representation of the piston in the hiigh pressure stage cylinder in the present invention；

Figure 36 shows the fundamental diagram of the compressor in the present invention.

Wherein, above-mentioned accompanying drawing includes the following drawings labelling：

10th, sub- rotating shaft；11st, sliding section；111st, sliding mating surface；13rd, oil leab；14th, oil through；15th, under close The axle center of the sub- rotating shaft of flange side；20th, low-pressure stage cylinder；21st, air inlet；22nd, air vent；23rd, hiigh pressure stage air inlet is delayed Jet-bedding；24th, connected entrance；25th, holding tank；26th, intermediate flow channel；27th, gas supplementing opening；28th, connectivity slot；29th, low pressure is grading Gas dashpot；200th, hiigh pressure stage cylinder；31st, capacity chamber；311st, pilot hole；32nd, piston；321st, slip hole；33、 Piston bush；332nd, the first thrust surface；333rd, piston bush axle center；34th, dividing plate；35th, oil-through hole；40th, exhaust valve component； 41st, exhaust valve plate；42nd, valve block baffle plate；43rd, the first securing member；50th, upper flange；60th, lower flange；61st, gripper shoe； 611st, the second thrust surface；70th, the second securing member；80th, the 3rd securing member；81st, shrouding；82nd, the 5th securing member；83rd, Four securing members；84th, first throttle element；85th, the second restricting element；86th, stop valve；87th, increasing enthalpy part；322nd, piston Centroid trajectory line；90th, liquor separator part；91st, housing unit；92nd, electric machine assembly；93rd, pump assembly；94th, upper lid group Part；95th, lower cover and installing plate；96th, First Heat Exchanger；97th, the second heat exchanger；98th, cross valve；99th, flash vessel.

Specific embodiment

It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined. To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.

It is noted that described further below is all exemplary it is intended to provide further instruction to the application.Unless otherwise finger Bright, all technology used herein and scientific terminology are had and are generally understood that with the application person of an ordinary skill in the technical field Identical meanings.

In the present invention, in the case of illustrating on the contrary, the noun of locality of use is typically directed to accompanying drawing institute as " left and right " That shows is left and right；" inside and outside " refers to inside and outside with respect to each part profile of itself, but the above-mentioned noun of locality is not limited to The present invention.

In order to solve the problems, such as that compressor of the prior art has motion shakiness, vibration is big, there is clearance volume, the present invention carries A kind of compressor and heat transmission equipment are supplied, wherein, heat transmission equipment includes following compressors.In addition, additionally providing a kind of compression The operation method of machine.

As shown in Fig. 2 to Figure 33, compressor includes upper flange 50, lower flange 60, at least two cylinders, rotating assembly and work Plug assembly, at least two cylinders are folded between upper flange 50 and lower flange 60, two cylinders of arbitrary neighborhood be interconnected so that Compressor forms compound compressor, and rotating assembly sequentially passes through upper flange 50, cylinder and lower flange 60, rotating assembly include with extremely Each cylinder in few two cylinders corresponds the sub- rotating shaft 10 of setting, and the axle center of sub- rotating shaft 10 is corresponding with this sub- rotating shaft 10 The axle center eccentric setting of cylinder and eccentric distance is fixed, piston component has and each cylinder one-to-one capacity chamber 31, lives Plug assembly is pivotally disposed in cylinder, and at least one sub- rotating shaft 10 and piston component drive connection are to change capacity chamber 31 Volume.Wherein, upper flange 50 is fixed with the cylinder near upper flange 50 side by the second securing member 70, lower flange 60 Fixed with the cylinder near lower flange 60 side by the 3rd securing member 80.

Preferably, the second securing member 70 and/or the 3rd securing member 80 are screw or bolt.

Preferably, upper flange 50 is provided with the first pump housing screw hole wearing for the second securing member 70.Arrange on lower flange 60 There is the second pump housing screw hole that four confession the 3rd securing members 80 wear.

It should be noted that there is necessarily bias with the barycenter of upper flange 50 in the center of the first pump housing screw hole on upper flange 50 Away from e.This eccentric throw determines the discharge capacity of the cylinder near upper flange 50 side, and when cylinder rotates a circle, gas displacement is V=2*2e*S, wherein S amass for piston main body feature cross-section.

It is interconnected between two cylinders of arbitrary neighborhood so that compressor forms compound compressor, by turning the son in rotating assembly The axle center eccentric setting of the axle center of axle 10 cylinder corresponding with this sub- rotating shaft 10 and eccentric distance is fixed, so that sub- rotating shaft 10 Rotate around respective axle center in motor process with cylinder, and centroid position is constant, so that piston component is in cylinder motion, Can stablize and continuously rotate, effectively alleviate the vibration of compressor, and ensure capacity chamber 31 volume change have rule, Reducing clearance volume, thus improve the operation stability of compressor, and then improve the functional reliability of heat transmission equipment.

It should be noted that the heart setting coaxially to each other of two neighboring cylinder.Preferably, the axle center of upper flange 50 and close upper flange The axle center eccentric setting of the cylinder of 50 side settings.Preferably, the axle center of lower flange 60 and the setting of close lower flange 60 side The axle center eccentric setting of cylinder.Cylinder installed as described above, ensure that the inclined of cylinder and sub- rotating shaft 10 or upper flange 50 The heart is away from fixation, so that piston component has the characteristics that kinetic stability is good.

Sub- rotating shaft 10 in the present invention is slidably connected with piston component, and the volume in capacity chamber 31 with sub- rotating shaft 10 rotation and Change.Because the sub- rotating shaft 10 in the present invention is slidably connected with piston component, hereby it is ensured that the motion credibility of piston component, It is prevented effectively from the stuck problem of piston component motion, so that the volume change in capacity chamber 31 has regular feature.

As shown in Fig. 2, Fig. 5 to Fig. 6, Figure 21, Figure 25, piston component includes piston bush 33 and at least two pistons 32, Piston bush 33 is pivotally disposed in cylinder, and piston 32 is slidably arranged in piston bush 33 to form capacity chamber 31, and becomes Cavity volume 31 is located in the glide direction of piston 32.Alternatively, the number of piston 32 and the number of cylinder are consistent.

In this specific embodiment, piston component and sub- rotating shaft 10 are slidably matched, and the rotation with sub- rotating shaft 10, piston set Part has linear motion trend with respect to sub- rotating shaft 10, so that rotating the linear motion being changed into local.Due to piston 32 and work Plug sleeve 33 is slidably connected, thus under the driving of sub- rotating shaft 10, be prevented effectively from piston 32 move stuck, thus ensure that piston 32nd, the motion credibility of sub- rotating shaft 10 and piston bush 33, and then improve the operation stability of compressor.

In preferred implementation shown in Fig. 1 to Figure 33, Figure 36, cylinder, sub- rotating shaft 10, piston 32 are respectively two, one Individual sub- rotating shaft 10 is stretched in the cylinder near upper flange 50 side through upper flange 50 as driving shaft, and with this cylinder in work Plug 32 motion connects；The cylinder near lower flange 60 side is stretched in another sub- rotating shaft 10 as driven axle through lower flange 60 Interior, and be connected with piston 32 motion in this cylinder.Due to forming crosshead shoe between piston component, cylinder and sub- rotating shaft 10 Mechanism, thus make the motion stabilization of piston component and cylinder and continuous, and ensure that the volume change in capacity chamber 31 has rule, Thus ensure that the operation stability of compressor, and then improve the functional reliability of heat transmission equipment.

Driving shaft is rotated by Motor drive, and driven axle drives rotation indirectly by driving shaft.

Piston 32 in the present invention has the slip hole 321 along sub- rotating shaft 10 axially through setting, and sub- rotating shaft 10 passes through sliding Hole 321, is rotated with driving shaft and simultaneously along the axle perpendicular to driving shaft with the piston 32 of driving shaft cooperation under the driving of driving shaft Line direction reciprocatingly slides in piston bush 33；The piston 32 coordinating with driven axle, with piston bush 33 under the driving of piston bush 33 Rotate and drive driven axle to rotate, the piston 32 simultaneously coordinating with driven axle is along the axis direction perpendicular to driven axle in piston bush 33 Inside reciprocatingly slide.Due to making piston 32 move along a straight line rather than rotary reciprocating motion with respect to sub- rotating shaft 10, thus effective reduction Eccentric mass, reduces the side force that sub- rotating shaft 10 and piston 32 are subject to, thus reducing the abrasion of piston 32, improve The sealing property of piston 32.

For above-mentioned driven axle, that is, for being positioned close to the sub- rotating shaft 10 in the cylinder of lower flange 60 side, piston Set 33 rotates and carries piston 32 to rotate, and near the setting of lower flange 60 side piston 32 can piston bush 33 in slip with Change the volume in corresponding capacity chamber 31, the sub- rotating shaft 10 near lower flange 60 side simultaneously is made in the driving of this piston 32 Use lower rotation, so that piston bush 33 and this sub- rotating shaft 10 are respectively subjected to flexural deformation and torsional deflection, reduce single part Bulk deformation, reduce the Structural strength calls of antithetical phrase rotating shaft 10.

Preferably, slip hole 321 is elongated hole or mounting hole.

Piston 32 in the present invention is cylindrical.Preferably, piston 32 is in cylindrical or non-cylindrical.

As is illustrated by figs. 11 and 12, piston 32 has symmetrically arranged a pair of the curved surfaces of middle vertical plane along piston 32, arc table Face is coordinated with the inner surface adaptability of cylinder, and two times of the cambered surface radius of curvature of curved surfaces are equal to the internal diameter of cylinder.So, So that can achieve Zero clearance volume in exhaust process.It should be noted that when piston 32 is placed in piston bush 33, The middle vertical plane of piston 32 is the axial plane of piston bush 33.

The agent structure of the piston bush 33 in the present invention is the hollow cylinder having certain roughness to require.

In preferred implementation shown in Figure 14 and Figure 15, there is in piston bush 33 the radial direction insertion setting along piston bush 33 Pilot hole 311, pilot hole 311 be at least two, be correspondingly arranged on a piston 32, piston 32 in each pilot hole 311 It is slidably arranged in pilot hole 311 with linear reciprocating motion.Because piston 32 is slidably arranged in pilot hole 311, thus when work Plug 32 during side-to-side movement, can make the volume in capacity chamber 31 be continually changing, thus ensureing the suction of compressor in pilot hole 311 Gas, aerofluxuss stability.

In order to prevent piston 32 from rotating in piston bush 33, orthographic projection at lower flange 60 for the pilot hole 311 have a pair equal The straightway of row, a pair parallel straightway is a pair parallel internal face projection formation of piston bush 33, and piston 32 has Have the internal face shape parallel with a pair of pilot hole 311 to be adapted and sliding cooperation outer mold surface.Work as above-mentioned respective outer side edges Plug 32 and piston bush 33, can make piston 32 smooth sliding and holding sealing effectiveness in piston bush 33.

Preferably, orthographic projection at lower flange 60 for the pilot hole 311 has a pair of arcuate line segment, this pair of arcuate line segment with a pair Parallel straightway is joined to form irregular cross sectional shape.

As shown in Fig. 2 the outer peripheral face of piston bush 33 is adapted with the internal face shape of cylinder.So that piston bush 33 and gas Between cylinder, be big face seal between pilot hole 311 and piston 32, and whole secret envelope is big face seal, is conducive to reducing leakage.

As shown in figure 5, first thrust surface 332 towards lower flange 60 side of piston bush 33 is contacted with the surface of lower flange 60. So that piston bush 33 and lower flange 60 reliable location.

As shown in Figure 14 and Figure 15, form dividing plate 34 between two neighboring pilot hole 311 in piston bush 33, on dividing plate 34 Offer the oil-through hole 35 for connecting two neighboring pilot hole 311.This oil-through hole 35 is used for ensureing that the son of dividing plate 34 both sides turns Axle 10 can smoothly obtain the lubrication of lubricating oil.

Preferably, the axis of oil-through hole 35 is paralleled with the axis of sub- rotating shaft 10.

Preferably, the axis of each pilot hole 311 at least two pilot holes 311 is all parallel.

As shown in Figure 7 to 10, sub- rotating shaft 10 has the sliding section 11 being slidably matched with piston component, and sliding section 11 is located at son One end of the close cylinder of rotating shaft 10, and sliding section 11 has sliding mating surface 111.Because sub- rotating shaft 10 is coordinated by sliding Face 111 is slidably matched with the slip hole 321 of piston 32, hereby it is ensured that the motion credibility of the two, is prevented effectively from the two stuck.

Especially proximate to lower flange 60 side setting sub- rotating shaft 10, the sliding mating surface 111 in this sub- rotating shaft 10 with corresponding The wall surface of the hole cooperation of the slip hole 321 of piston 32, so that piston 32 drives this sub- rotating shaft 10 to rotate.

Preferably, sliding section 11 has two symmetrically arranged sliding mating surfaces 111.Because sliding mating surface 111 is symmetrical arranged, So that two sliding mating surfaces 111 be more uniformly stressed the motion credibility it is ensured that sub- rotating shaft 10 and piston 32.

As shown in Figure 7 to 10, sub- rotating shaft 10 has the sliding section 11 being slidably matched with piston component, and sliding section 11 is located at son One end of the close cylinder of rotating shaft 10, and sliding section 11 has two symmetrically arranged sliding mating surfaces 111.

Preferably, sliding mating surface 111 is paralleled with the axial plane of sub- rotating shaft 10, the cunning of sliding mating surface 111 and piston 32 The internal face moving hole 321 is slidably matched on the axis direction perpendicular to sub- rotating shaft 10.

Sub- rotating shaft 10 in the present invention has oil leab 13, and at least a portion of oil leab 13 is the interior oil of sub- rotating shaft 10 Road.Due at least a portion internal galleries of oil leab 13, thus it is prevented effectively from lubricating oil and leaks in a large number, improve lubricating oil Flowing reliability.

As shown in Figure 7 to 10, the oil leab 13 at sliding mating surface 111 is outside oil duct.Due to sliding mating surface Oil leab 13 at 111 is outside oil duct, so that lubricating oil can directly feed to sliding mating surface 111 and piston 32, It is prevented effectively from the two frictional force excessive and wear and tear, thus improve the motion smoothing of the two.

Sub- rotating shaft 10 in the present invention has oil through 14, and internal galleries are passed through oil through 14 and connected with outside oil duct.Due to setting It is equipped with oil through 14, so that inside and outside oil duct can smoothly connect, and by can also be to oil leab 13 at oil through 14 Place's oiling, thus ensure that the oiling convenience of oil leab 13.

As described in Figure 2, the compressor in the present invention also includes gripper shoe 61, gripper shoe 61 be arranged on lower flange 60 away from gas On the end face of cylinder side, and gripper shoe 61 setting concentric with lower flange 60 to be to support rotating assembly, and sub- rotating shaft 10 passes through purgation Through hole on blue 60 is supported in gripper shoe 61, and gripper shoe 61 has the second thrust surface 611 for a chapelet rotating shaft 10.By In being provided with gripper shoe 61 for chapelet rotating shaft 10, thus improve the connection reliability between each part.

Because gripper shoe 61 is arranged on lower flange 60 side, thus gripper shoe 61 is mainly used in supporting near lower flange 60 side The sub- rotating shaft 10 of setting, to ensure its installation reliability.

As shown in Figure 2 and Figure 4, gripper shoe 61 is connected with lower flange 60 by the 5th securing member 82.

Preferably, the 5th securing member 82 is bolt or screw.

Preferably, lower flange 60 is provided with the gripper shoe screw hole that three confession the 5th securing members 82 wear.On lower flange 60 There is bias with the barycenter of lower flange 60 in the circle that the center of four pump housing screw holes is constituted, its offset size is e, and this amount is determined The offset of the fixed assembling of cylinder near lower flange 60 side, rotates a circle in piston bush 33, gas displacement V=2*2e*S, Wherein S amasss for piston main body feature cross-section；The center of gripper shoe screw hole and the axis coinciding of lower flange 60, fasten with the 5th Part 82 coordinates fixed support plate 61.

As shown in Fig. 2 and Figure 13, gripper shoe 61 is cylindrical structure, is uniformly distributed three screw holes.The end face of gripper shoe 61 There are certain roughness requirements, the bottom surface with the sub- rotating shaft 10 near lower flange 60 side.

As shown in figure 1, this compressor include liquor separator part 90, housing unit 91, electric machine assembly 92, pump assembly 93, Cover assembly 94 and lower cover and installing plate 95, wherein, liquor separator part 90 is arranged on the outside of housing unit 91, cover assembly 94 upper ends being assemblied in housing unit 91, lower cover and installing plate 95 are assemblied in the lower end of housing unit 91, electric machine assembly 92 He Pump assembly 93 is respectively positioned on the inside of housing unit 91, and electric machine assembly 92 is arranged on the top of pump assembly 93.Compressor Pump assembly 93 include above-mentioned upper flange 50, lower flange 60, cylinder, rotating assembly and piston component.

Preferably, above-mentioned each part is connected by welding, hot jacket or by way of colding pressing.

The assembling process of whole pump assembly 93 is as follows：Piston 32 is arranged in pilot hole 311, simultaneously cylinder and piston set 33 It is co-axially mounted, lower flange 60 is fixed on cylinder, the sliding mating surface of sub- rotating shaft 10 111 and the slip hole 321 of piston 32 A pair parallel surface engagement is installed, upper flange 50 rigid drive shaft, and upper flange 50 is fixed on cylinder by screw simultaneously. Thus completing the assembling of pump assembly 93, as shown in Figure 4.

Preferably, the compressor in the present invention is not provided with suction valve chip such that it is able to effectively reduce inspiratory resistance, improves compressor Compression efficiency.

It should be noted that in this specific embodiment, when a piston 32 completes the motion of a week, can air-breathing, aerofluxuss Twice, so that compressor has the characteristics that compression efficiency is high.Compared with the single cylinder roller compressor with discharge capacity, due to by originally First compression be divided into two second compression, thus the torque fluctuations of the compressor in the present invention are relatively small, during operation, have aerofluxuss Resistance is little, effectively eliminates exhaust noise.

As shown in Figure 19 to Figure 33, the compressor in the present invention also includes the intermediate flow channel 26 being arranged on cylinder, two neighboring Cylinder is connected by intermediate flow channel 26.Because two neighboring cylinder can be connected by intermediate flow channel 26, hereby it is ensured that compression The multi-stage compression reliability of machine.

As shown in Figure 22 to Figure 25, the cylinder wall of the low-pressure stage cylinder 20 at least two cylinders has air inlet 21 and connects Mouth 24, connected entrance 24 passes through the hiigh pressure stage cylinder 200 in intermediate flow channel 26 and at least two cylinders on low-pressure stage cylinder 20 Intermediate flow channel 26 connects, and air inlet 21 is connected with the liquor separator part 90 of compressor.Low-pressure stage cylinder 20 in the present invention The internal face of cylinder wall has low-pressure stage air inlet dashpot 29, and low-pressure stage air inlet dashpot 29 is connected with air inlet 21 and (refer to Figure 22 to Figure 25).Due to being provided with low-pressure stage air inlet dashpot 29, thus substantial amounts of gas can be stored in this place, so that becoming Cavity volume 31 can full air-breathing so that compressor can enough air-breathings, and in poor inspiration, can supply in time and store Gas to capacity chamber 31, to ensure the compression efficiency of compressor.

As shown in Figure 22 to Figure 25, low-pressure stage air inlet dashpot 29 curved section in the sagittal plane of low-pressure stage cylinder 20, And the two ends of low-pressure stage air inlet dashpot 29 are extended to connected entrance 24 position by air inlet 21, and with respect to air inlet 21, low-pressure stage air inlet dashpot 29 is less than rightabout in the rotation direction with piston bush 33 with the arc length of extension upwards Extension arc length.

In preferred implementation shown in Figure 22 to Figure 25, the outside wall surface of the cylinder wall of low-pressure stage cylinder 20 has connectivity slot 28, Connected entrance 24 is connected with connectivity slot 28, and compressor also includes shrouding 81, shrouding 81 be arranged on connectivity slot 28 notch sentence by Connectivity slot 28 is closed, and connectivity slot 28 forms the intermediate flow channel 26 of low-pressure stage cylinder 20 with connected entrance 24.To be connected by shrouding 81 Groove 28 is closed to form intermediate flow channel 26, thus ensure that the heat-exchange working medium flowing out through connected entrance 24 can pass through intermediate flow channel At 26 guiding hiigh pressure stage cylinders 200, thus ensure that the functional reliability of compressor.

As shown in Fig. 2 compressor also includes multiple 4th securing members 83, shrouding 81 is fixed on cylinder the 4th securing member 83. Preferably, the 4th securing member 83 is screw.

As shown in Figure 19 to Figure 21, the internal face of the cylinder wall of hiigh pressure stage cylinder 200 has hiigh pressure stage air inlet dashpot 23 and row QI KOU 22, hiigh pressure stage air inlet dashpot 23 is connected with the intermediate flow channel 26 of hiigh pressure stage cylinder 200, air vent 22 and compressor Cavity connects.Due to being provided with hiigh pressure stage air inlet dashpot 23, thus substantial amounts of gas can be stored in this place, so that capacity Chamber 31 can full air-breathing so that compressor can enough air-breathings, and in poor inspiration, can supply in time and store gas To capacity chamber 31, to ensure the compression efficiency of compressor.

Hiigh pressure stage cylinder 200 in the present invention also has gas supplementing opening 27, and gas supplementing opening 27 is connected with hiigh pressure stage air inlet dashpot 23 (please Referring to figures 19 through Figure 21).Buffer in hiigh pressure stage air inlet through the gas that low-pressure stage cylinder 20 expellant gas are filled into gas supplementing opening 27 Mix at groove 23, complete after suction temperature to compress in hiigh pressure stage cylinder 200 to reduce.

In preferred implementation shown in Figure 19 to Figure 21, hiigh pressure stage air inlet dashpot 23 is in the radial direction of hiigh pressure stage cylinder 200 Curved section in plane, and the two ends of hiigh pressure stage air inlet dashpot 23 are extended to air vent 22 position by gas supplementing opening 27, And with respect to gas supplementing opening 27, hiigh pressure stage air inlet dashpot 23 is in the arc length of the same extension upwards of the rotation direction with piston bush 33 More than rightabout extension arc length.

Preferably, compressor also includes at least two exhaust valve components 40, all corresponds to each setting at connected entrance 24 and air vent 22 There is an exhaust valve component 40.Because at connected entrance 24 and air vent 22, all correspondences are each provided with an exhaust valve component 40, because And it is prevented effectively from capacity chamber 31 a large amount of leakage of gas it is ensured that the compression efficiency in capacity chamber 31.

In preferred implementation shown in Figure 19, the outer wall of the cylinder wall of hiigh pressure stage cylinder 200 offers holding tank 25, row The bottom land of QI KOU 22 insertion holding tank 25, an exhaust valve component 40 is arranged in holding tank 25.Due to being provided with for holding Receive the holding tank 25 of exhaust valve component 40, thus decrease taking up room of exhaust valve component 40, so that part is rationally arranged, from And improve the space availability ratio of cylinder.

Specifically, each exhaust valve component 40 all includes exhaust valve plate 41 and valve block baffle plate 42, and exhaust valve plate 41 blocks connection Mouth 24 or air vent 22, valve block baffle plate 42 is stacked on exhaust valve plate 41.Due to being provided with valve block baffle plate 42, thus effectively Exhaust valve plate 41 is avoided excessively to open it is ensured that the exhaust performance of cylinder.

Preferably, exhaust valve plate 41 and valve block baffle plate 42 are connected by the first securing member 43.Further, the first securing member 43 It is screw.

It should be noted that the exhaust valve component 40 in the present invention can be by the space outerpace in capacity chamber 31 and pump assembly 93 Separate, be back pressure aerofluxuss：After when connecting with connected entrance 24 or air vent 22 when capacity chamber 31, the pressure in capacity chamber 31 When power is more than space outerpace pressure (pressure at expulsion), exhaust valve plate 41 is opened, and starts aerofluxuss；If capacity chamber 31 after connection Pressure be still below pressure at expulsion, then now exhaust valve plate 41 does not work.Now, compressor remains in operation, compresses, until becoming Cavity volume 31 is connected with air vent 22, and the gas press-in space outerpace in capacity chamber 31 completes exhaust process.Air vent 22 exhaust mode is forced exhaust mode.

Operation to compressor is specifically introduced below, taking rotate clockwise as a example：

As shown in figure 36, the compressor in the present invention adopts cross slides principle to arrange.Wherein, the axle center O of sub- rotating shaft 10₁ Axle center O with cylinder₂Eccentric setting, and the eccentric throw of the two is fixed as e, and the two rotates rotating around respective axle center.Piston 32 are equivalent to the slide block in cross slides, the distance in axle center to piston 32 of the axle center of piston bush 33 and sub- rotating shaft 10 The distance in the axle center to piston 32 for the axle center is respectively equivalent to two connecting rod l₁、l₂, thus constitute the body junction of crosshead shoe principle Structure.

As shown in figure 36, when the compressor operating of said structure, sub- rotating shaft 10 is around the axle center O of sub- rotating shaft 10₁Rotate；Cylinder 20 around cylinder 20 axle center O₂Rotate, and with the axle center eccentric setting of cylinder 20 and eccentric distance is fixed in the axle center of sub- rotating shaft 10； The piston 32 of piston component rotates with sub- rotating shaft 10 and simultaneously along the axis perpendicular to sub- rotating shaft 10 under the driving of sub- rotating shaft 10 Direction reciprocatingly slides in the piston bush 33 of piston component.

The compressor running as said method, constitutes cross slides, and this operation method adopts cross slides principle, Wherein, as slide block, the sliding mating surface 111 of sub- rotating shaft 10 is as first connecting rod l for piston 32₁, the pilot hole of piston bush 33 311 as second connecting rod l₂(refer to Figure 36).

Specifically, the axle center O of sub- rotating shaft 10₁Be equivalent to first connecting rod l₁Center of rotation, the axle center O of cylinder 20₂Be equivalent to Second connecting rod l₂Center of rotation；The sliding mating surface 111 of sub- rotating shaft 10 is equivalent to first connecting rod l₁, the pilot hole of piston bush 33 311 are equivalent to second connecting rod l₂；Piston 32 is equivalent to slide block.Pilot hole 311 is mutually perpendicular to sliding mating surface 111；Piston 32 can only move back and forth with pilot hole 311 relatively, and piston 32 can only move back and forth with respect to sliding mating surface 111.Piston 32 It is found that its running orbit is circular motion after being reduced to barycenter, this circle is the axle center O with cylinder 20₂With sub- rotating shaft 10 Axle center O₁Line be diameter circle.

As second connecting rod l₂When circling, slide block can be along second connecting rod l₂Move back and forth；Meanwhile, slide block can along first even Bar l₁Move back and forth.First connecting rod l₁With second connecting rod l₂Remain vertical so that slide block is along first connecting rod l₁Vibration-direction With slide block along second connecting rod l₂Vibration-direction is mutually perpendicular to.First connecting rod l₁With second connecting rod l₂And the relative motion of piston 32 Relation, forms cross slides principle.

Under this movement technique, slide block circles, its angular velocity and first connecting rod l₁With second connecting rod l₂Velocity of rotation equal. Slide block running orbit is circle.This circle is with first connecting rod l₁Center of rotation and second connecting rod l₂Center of rotation centre-to-centre spacing be diameter.

In specific embodiment as shown in Figure 3, two cylinders differ 180 degree interlaced arrangement.Two pistons 32 are moving back and forth During formed four capacity chambeies 31.And the corresponding two liquor separator parts 90 of this two cylinders interlock 180 degree arrangement.Certainly, It is also contemplated that two liquor separator parts 90 are arranged on the same side, so, two cylinders also answer dislocation-free to arrange, and are completely superposed Stacked.

As shown in Figure 18 and Figure 35, Figure 36, wherein, the axle center 15 of the sub- rotating shaft near lower flange side and piston bush axle center Eccentric distance e is differed, piston centroid trajectory line 322 is rounded between 333.

Specifically, electric machine assembly 92 drives the sub- rotating shaft 10 near upper flange 50 side to rotate, and the sliding of sub- rotating shaft 10 is joined Conjunction face 111 drives the piston 32 near upper flange 50 side to move, and piston 32 drives piston bush 33 to rotate, and then drives close The piston 32 of lower flange 60 side rotates, and promotes the sub- rotating shaft 10 near lower flange 60 side to rotate.In whole motion portion In part, piston bush 33 only circles, and piston 32 1 aspect moves back and forth with respect to sub- rotating shaft 10, simultaneously again with respect to The pilot hole 311 of piston bush 33 moves back and forth, and two reciprocating motions are mutually perpendicular to and carry out simultaneously, so that both direction Move back and forth and constitute cross slides motion mode.The compound motion of this species cross slides makes piston 32 with respect to piston Cover 33 reciprocating, this reciprocating motion makes the cavity that piston bush 33, cylinder and piston 32 are formed periodically become big, reduce. And piston 32 circles with respect to cylinder, this circular motion makes the capacity chamber that piston bush 33, cylinder and piston 32 are formed 31 are periodically connected with air inlet 21, air vent 22.Under the collective effect of two above relative motion, make the compressor can To complete the process of air-breathing, compression, aerofluxuss.During moving back and forth, the centroid trajectory line of piston 32 is circle, and circle is straight Footpath is equal to eccentric amount e, and the center of circle is on the midpoint with the line of centres of piston bush 33 for the center of sub- rotating shaft 10.

As shown in Figure 29 to Figure 33, Figure 36, taking a capacity chamber 31 as a example, when capacity chamber 31 is connected with gas supplementing opening 27 When, start air-breathing (refer to Figure 29 and Figure 30)；Piston bush 33 continues band piston 32, sub- rotating shaft 10 turns clockwise, After capacity chamber 31 departs from gas supplementing opening 27, whole air-breathing terminates, and now capacity chamber 31 fully seals, and starts compression and (please join Examine Figure 31)；Continue rotation, gas constantly compresses, when capacity chamber 31 is connected with air vent 22, start aerofluxuss and (refer to Figure 32)；Continue rotation, continuous aerofluxuss while constantly compression, until capacity chamber 31 completely disengages from air vent 22, complete whole Individual air-breathing, compression, exhaust process (refer to Figure 32 to Figure 33)；Subsequently capacity chamber 31 is again coupled to after rotating to an angle Gas supplementing opening 27.The total displacement of compressor is V=2*2* (2e*S).

Additionally, the compressor in the present invention also has Zero clearance volume, the advantage of high volumetric efficiency.

Heat transmission equipment in the present invention also includes First Heat Exchanger 96, the second heat exchanger 97 and cross valve 98, compressor, first Heat exchanger 96 and the second heat exchanger 97 form circulating heat exchanging pipe by cross valve 98, and heat transmission equipment also includes flash vessel 99 He QI invigorating branch road, flash vessel 99 is arranged on circulating heat exchanging pipe and is located between First Heat Exchanger 96 and the second heat exchanger 97, mends The first end of gas branch road is connected with flash vessel 99, the gas supplementing opening 27 of the second end of QI invigorating branch road and the hiigh pressure stage cylinder 200 of compressor Connection.

As shown in Fig. 1 and Figure 34, heat transmission equipment also includes increasing enthalpy part 87, QI invigorating branch road passes through increasing enthalpy part 87 and hiigh pressure stage The gas supplementing opening 27 of cylinder connects.

As shown in figure 34, the heat transmission equipment in the present invention also includes first throttle element 84, the second restricting element 85 and stop valve 86, first throttle element 84 is arranged on circulating heat exchanging pipe and is located between First Heat Exchanger 96 and flash vessel 99；Second section Fluid element 85 is arranged on circulating heat exchanging pipe and is located between the second heat exchanger 97 and flash vessel 99；Stop valve 86 is arranged on On QI invigorating branch road, to control the break-make of QI invigorating branch road.

Heat transmission equipment in the present invention has two kinds of mode of operations, including refrigeration mode and heating mode, in cooling mode, changes Hot working fluid, in the presence of compressor, enters First Heat Exchanger 96 (i.e. condenser) through cross valve 98, and through first throttle element 84 throttlings, this throttling throttles for one-level, and the heat-exchange working medium after one-level throttling passes through the first fluid-through port and enters flash vessel 99, and is dodging Constantly absorb heat in the top in the flash distillation chamber of steaming device 99, shwoot, and the gaseous state heat-exchange working medium after shwoot flows into compression by the blow vent at top At the gas supplementing opening 27 of the hiigh pressure stage cylinder 200 of machine, after the heat-exchange working medium heat release of the bottom in flash distillation chamber of flash vessel 99, temperature reduces, Form the heat-exchange working medium of supercooled liquid, the heat-exchange working medium of supercooled liquid passes through the second fluid-through port and enters in the second restricting element 85, and Enter the second heat exchanger 97 (i.e. vaporizer) after the second restricting element 85 throttling, flow back into compressor finally by cross valve 98 Interior；In a heating mode, heat-exchange working medium, in the presence of compressor, enters the second heat exchanger 97 (i.e. condenser) through cross valve 98, And throttle through the second restricting element 85, this throttling throttles for one-level, and the heat-exchange working medium after one-level throttling passes through the second fluid-through port and enters Flash vessel 99, and the heat-exchange working medium on the top in the flash distillation chamber of flash vessel 99 constantly absorb heat, shwoot, the gaseous state heat exchange work after shwoot The blow vent that matter passes through the top of flash vessel 99 flows at the gas supplementing opening 27 of hiigh pressure stage cylinder 200 of compressor, flash vessel 99 After the heat-exchange working medium heat release of the bottom in flash distillation chamber, temperature reduces, and forms the heat-exchange working medium of supercooled liquid, the heat-exchange working medium of supercooled liquid First throttle element 84 is entered by the first fluid-through port, enters First Heat Exchanger 96 after first throttle element 84 throttling and (steam Send out device), flow back in compressor finally by cross valve 98, heat transmission equipment passes through two stages of compression increasing enthalpy, improves heat transmission equipment Runnability.

Additionally, compressor in the present invention adopts two-stage enthalpy increasing technology, improve low-temperature heating, the height of compressor and heat transmission equipment Warm refrigerating capacity, improves reliability and the Energy Efficiency Ratio of system.

It should be noted that term used herein above is merely to describe specific embodiment, and it is not intended to restricted root according to this Shen Illustrative embodiments please.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to Including plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " inclusion ", its Indicate existing characteristics, step, work, device, assembly and/or combinations thereof.

It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " second " etc. It is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that such data using Can exchange in the appropriate case, so as presently filed embodiment described herein can with except here illustrate or description Order beyond those is implemented.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art For, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, etc. With replacing, improving etc., should be included within the scope of the present invention.

Claims

1. a kind of compressor is it is characterised in that include：

Upper flange (50)；

Lower flange (60)；

At least two cylinders, described at least two cylinders be folded in described upper flange (50) and described lower flange (60) it Between, two described cylinders of arbitrary neighborhood are interconnected so that compressor forms compound compressor；

Rotating assembly, described rotating assembly sequentially passes through described upper flange (50), described cylinder and described lower flange (60), Described rotating assembly includes corresponding the sub- rotating shaft (10) of setting with each the described cylinder in described at least two cylinders, The axle center eccentric setting of the axle center of described sub- rotating shaft (10) described cylinder corresponding with rotating shaft (10) sub- this described and bias Distance is fixing；

Piston component, described piston component has and the one-to-one capacity of cylinder each described chamber (31), described piston Assembly is pivotally disposed in described cylinder, and at least one described sub- rotating shaft (10) is driven even with described piston component Connect to change the volume of described capacity chamber (31).

2. compressor according to claim 1 is it is characterised in that described piston component includes：

Piston bush (33), described piston bush (33) is pivotally disposed in described cylinder；

At least two pistons (32), described piston (32) is slidably arranged in described piston bush (33) to form described change Cavity volume (31), and described capacity chamber (31) is in the glide direction of described piston (32).

3. compressor according to claim 2 is it is characterised in that described cylinder, described sub- rotating shaft (10), described piston (32) Respectively it is two,

One described sub- rotating shaft (10) is driving shaft, stretches near described upper flange (50) through described upper flange (50) In the described cylinder of side, and it is connected with described piston (32) motion in cylinder this described；

Another described sub- rotating shaft (10) is driven axle, stretches near described lower flange (60) through described lower flange (60) In the described cylinder of side, and it is connected with described piston (32) motion in cylinder this described.

4. compressor according to claim 3 is it is characterised in that described driving shaft is rotated by Motor drive, described driven axle Rotation is indirectly driven by described driving shaft.

5. compressor according to claim 4 is it is characterised in that described piston (32) has along described sub- rotating shaft (10) Axially through setting slip hole (321), described sub- rotating shaft (10) pass through described slip hole (321),

With the rotation of described driving shaft and same under the driving of described driving shaft with the described piston (32) of described driving shaft cooperation When reciprocatingly slide in described piston bush (33) along perpendicular to the axis direction of described driving shaft；

The described piston (32) coordinating with described driven axle, with described piston bush (33) under the driving of described piston bush (33) Rotate and drive described driven axle rotation, the described piston (32) simultaneously coordinating with described driven axle is along perpendicular to described quilt The axis direction of moving axis reciprocatingly slides in described piston bush (33).

6. compressor according to claim 5 is it is characterised in that described slip hole (321) is elongated hole or mounting hole.

7. compressor according to claim 2 is it is characterised in that described piston (32) has along described piston (32) Symmetrically arranged a pair of the curved surfaces of middle vertical plane, described curved surfaces are coordinated with the inner surface adaptability of described cylinder, and institute Two times of the cambered surface radius of curvature stating curved surfaces are equal to the internal diameter of described cylinder.

8. compressor according to claim 2 is it is characterised in that described piston (32) is cylindrical.

9. compressor according to claim 2 is it is characterised in that have in described piston bush (33) along described piston bush (33) Radial direction insertion setting pilot hole (311), described pilot hole (311) be at least two, each described pilot hole (311) Inside it is correspondingly arranged on a described piston (32), described piston (32) is slidably arranged in described pilot hole (311) in the past Linear motion.

10. compressor according to claim 9 is it is characterised in that the axis of each described pilot hole (311) is all parallel.

11. compressors according to claim 9 it is characterised in that in described piston bush (33) two neighboring described guiding Form dividing plate (34) between hole (311), described dividing plate (34) offers for connecting two neighboring described pilot hole (311) Oil-through hole (35).

12. compressors according to claim 11 are it is characterised in that the axis of described oil-through hole (35) and described sub- rotating shaft (10) Axis parallel.

13. compressors according to claim 9 are it is characterised in that described pilot hole (311) is at described lower flange (60) place Orthographic projection there is a pair parallel straightway, the pair of parallel straightway be described piston bush (33) one Parallel internal face projection is formed, described piston (32) has the pair of equal with described pilot hole (311) The outer mold surface that the internal face shape of row is adapted and sliding coordinates.

14. compressors according to claim 2 it is characterised in that described piston bush (33) towards described lower flange (60) First thrust surface (332) of side is contacted with the surface of described lower flange (60).

15. compressors according to claim 5 are it is characterised in that described sub- rotating shaft (10) has and described piston component cunning The sliding section (11) of dynamic cooperation, described sliding section (11) is located at one end of the close described cylinder of described sub- rotating shaft (10), And described sliding section (11) has sliding mating surface (111).

16. compressors according to claim 15 are it is characterised in that described sliding mating surface (111) is symmetricly set on described cunning Move the both sides of section (11).

17. compressors according to claim 16 are it is characterised in that described sliding mating surface (111) and described sub- rotating shaft (10) Axial plane parallel, described sliding mating surface (111) is interior with the described slip hole (321) of described piston (32) Wall is slidably matched on the axis direction perpendicular to described sub- rotating shaft (10).

18. compressors according to any one of claim 1 to 17 are it is characterised in that described compressor also includes being arranged on institute State the intermediate flow channel (26) on cylinder, two neighboring described cylinder is connected by described intermediate flow channel (26).

19. compressors according to claim 18 are it is characterised in that low-pressure stage cylinder (20) in described at least two cylinders Cylinder wall there is air inlet (21) and connected entrance (24), described connected entrance (24) is by described low-pressure stage cylinder (20) On intermediate flow channel (26) connect with the intermediate flow channel (26) of the hiigh pressure stage cylinder (200) in described at least two cylinders.

20. compressors according to claim 19 are it is characterised in that the internal face of the cylinder wall of described low-pressure stage cylinder (20) There is low-pressure stage air inlet dashpot (29), described low-pressure stage air inlet dashpot (29) is connected with described air inlet (21).

21. compressors according to claim 20 are it is characterised in that described low-pressure stage air inlet dashpot (29) is in described low pressure Curved section in the sagittal plane of level cylinder (20), and the two ends of described low-pressure stage air inlet dashpot (29) are by described Air inlet (21) place extends to described connected entrance (24) position.

22. compressors according to claim 19 are it is characterised in that the outside wall surface of the cylinder wall of described low-pressure stage cylinder (20) There is connectivity slot (28), described connected entrance (24) is connected with described connectivity slot (28), and described compressor also includes shrouding (81) notch that, described shrouding (81) is arranged on described connectivity slot (28) is sentenced and is closed described connectivity slot (28), Described connectivity slot (28) forms the intermediate flow channel (26) of described low-pressure stage cylinder (20) with described connected entrance (24).

23. compressors according to claim 19 are it is characterised in that the inwall of the cylinder wall of described hiigh pressure stage cylinder (200) Face has hiigh pressure stage air inlet dashpot (23) and air vent (22), described hiigh pressure stage air inlet dashpot (23) and described height Arbitrarily downgrade intermediate flow channel (26) connection of cylinder (200), described air vent (22) connected with the cavity of described compressor.

24. compressors according to claim 23 it is characterised in that described hiigh pressure stage cylinder (200) also has gas supplementing opening (27), Described gas supplementing opening (27) is connected with described hiigh pressure stage air inlet dashpot (23).

25. compressors according to claim 24 are it is characterised in that described hiigh pressure stage air inlet dashpot (23) is in described high pressure Curved section in the sagittal plane of level cylinder (200), and the two ends of described hiigh pressure stage air inlet dashpot (23) are by described Gas supplementing opening (27) place extends to described air vent (22) position.

26. compressors according to claim 15 it is characterised in that described sub- rotating shaft (10) has oil leab (13), Described oil leab (13) includes being arranged on the internal internal galleries of described sub- rotating shaft (10) and being arranged on described sliding joining The outside oil duct at conjunction face (111) place and the oil through (14) of the described internal galleries of connection and described outside oil duct.

27. compressors according to any one of claim 1 to 17 it is characterised in that two neighboring described cylinder coaxially to each other The heart is arranged.

28. compressors according to claim 27 it is characterised in that the axle center of described upper flange (50) near described upper method The axle center eccentric setting of the described cylinder of blue (50) side setting.

29. compressors according to claim 28 it is characterised in that the axle center of described lower flange (60) near described purgation The axle center eccentric setting of the described cylinder of blue (60) side setting.

30. compressors according to any one of claim 1 to 17 are it is characterised in that described compressor also includes gripper shoe (61), described gripper shoe (61) is arranged on the end face away from described cylinder side of described lower flange (60), and institute State gripper shoe (61) setting concentric with described lower flange (60) to support described rotating assembly, described gripper shoe (61) There is the second thrust surface (611) for supporting described rotating assembly.

31. compressors according to claim 23 are it is characterised in that described compressor also includes at least two exhaust valve components (40), described connected entrance (24) and described air vent (22) place all correspondences are each provided with a described exhaust valve component (40).

32. compressors according to claim 31 are it is characterised in that the outer wall of the cylinder wall of described hiigh pressure stage cylinder (200) On offer holding tank (25), the bottom land of holding tank (25), described aerofluxuss described in the insertion of described air vent (22) Valve module (40) is arranged in described holding tank (25).

33. compressors according to claim 31 are it is characterised in that each described exhaust valve component (40) all includes：

Exhaust valve plate (41), described exhaust valve plate (41) blocks described connected entrance (24) or described air vent (22)；

Valve block baffle plate (42), described valve block baffle plate (42) is stacked on described exhaust valve plate (41).

A kind of 34. heat transmission equipments, including compressor it is characterised in that described compressor is any one of claims 1 to 33 Compressor.

35. heat transmission equipments according to claim 34 it is characterised in that described heat transmission equipment also include First Heat Exchanger (96), Second heat exchanger (97) and cross valve (98), described compressor, described First Heat Exchanger (96) and described second heat exchange Device (97) forms circulating heat exchanging pipe by described cross valve (98), and described heat transmission equipment also includes：

Flash vessel (99), described flash vessel (99) is arranged on described circulating heat exchanging pipe and is located at described First Heat Exchanger (96) and described second heat exchanger (97) between；

QI invigorating branch road, the first end of described QI invigorating branch road is connected with described flash vessel (99), and the second of described QI invigorating branch road End is connected with the gas supplementing opening (27) of the hiigh pressure stage cylinder (200) of described compressor.

A kind of 36. operation methods of compressor are it is characterised in that include：

Sub- rotating shaft (10) is around the axle center O of described sub- rotating shaft (10)₁Rotate；

Cylinder (20) is around the axle center O of described cylinder (20)₂Rotate, and the axle center of described sub- rotating shaft (10) and described gas The axle center eccentric setting of cylinder (20) and eccentric distance is fixed；

The piston (32) of piston component rotates and same with described sub- rotating shaft (10) under the driving of described sub- rotating shaft (10) When reciprocatingly slide in the piston bush (33) of described piston component along perpendicular to the axis direction of described sub- rotating shaft (10).

37. operation methods according to claim 36 it is characterised in that described operation method adopt cross slides principle, Wherein, described piston (32) as slide block, the sliding mating surface (111) of described sub- rotating shaft (10) is as first connecting rod l₁、 The pilot hole (311) of described piston bush (33) is as second connecting rod l₂.