CN105822557A - Variable-capacity jet compressor and refrigerating system with variable-capacity jet compressor - Google Patents
Variable-capacity jet compressor and refrigerating system with variable-capacity jet compressor Download PDFInfo
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- CN105822557A CN105822557A CN201610377368.9A CN201610377368A CN105822557A CN 105822557 A CN105822557 A CN 105822557A CN 201610377368 A CN201610377368 A CN 201610377368A CN 105822557 A CN105822557 A CN 105822557A
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- transfiguration
- variable
- jet
- pressure refrigerant
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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
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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
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a variable-capacity jet compressor and a refrigerating system with the variable-capacity jet compressor. The variable-capacity jet compressor comprises a compressor body and a jetting device; the compressor body comprises a compression mechanism and a variable-capacity valve arranged in the compression mechanism; the compression mechanism comprises a main bearing, an auxiliary bearing and an air cylinder assembly; the variable-capacity valve can move between the conduction position and the partition position, and when the variable-capacity valve is located at the conduction position, a variable-capacity air suction opening leads a first pressure refrigerant to the variable-capacity compression cavity; when the variable-capacity valve is located at the partition position, a second pressure refrigerant is led to the variable-capacity compression cavity; and the jetting device is suitable for leading a third pressure refrigerant to a constant-capacity compression cavity and the variable-capacity compression cavity, the pressure of the first pressure refrigerant is smaller than that of the third pressure refrigerant, and the pressure of the third pressure refrigerant is smaller than that of the second pressure refrigerant. According to the variable-capacity jet compressor, the size of the compressor body is reduced, occupied space of the compressor body is reduced, the jetting function is achieved, and quasi-second-order compression refrigeration cycle can be achieved.
Description
Technical field
The present invention relates to compressor field, especially relate to a kind of transfiguration jet compressor and there is its refrigeration system.
Background technology
In correlation technique, low-temperature heating scarce capacity is that the one of current air conditioning system denounces greatly, and variable capacity technology is the effective way solving this problem.But, although variable capacity technology changes the basic discharge capacity of compressor, but bring compressor inefficient problem of machinery when single cylinder operates the most simultaneously, cause overall efficiency on the low side, therefore, variable capacity technology is promoted and is stagnated always.Additionally, under condition of ultralow temperature, pressure ratio is big, the specific volume of coolant is big, the air-breathing mass flow of compressor reduces, in addition to causing compressor heating capacity to be greatly lowered, simultaneously, reduction due to mass flow, oil return difficulty, the heat that coolant is taken away reduces, and the compression mechanism wear and the motor reliability that are easily caused compressor decline, although this result also in basis discharge capacity becomes big, but also it is difficult to one of reason of applying.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.To this end, it is an object of the present invention to propose a kind of transfiguration jet compressor, the volume of described transfiguration jet compressor is little.
Further object is that a kind of refrigeration system with above-mentioned transfiguration jet compressor of proposition.
nullTransfiguration jet compressor according to a first aspect of the present invention，Including: compressor body，Described compressor body includes compressing mechanism and being located at described compression in-house transfiguration valve，Described compression mechanism includes base bearing、Supplementary bearing、And it is located at the cylinder assembly between described base bearing and described supplementary bearing，Described cylinder assembly includes Chang Yunqi cylinder、Transfiguration cylinder、And it is located at the dividing plate between described Chang Yunqi cylinder and described transfiguration cylinder，Described Chang Yunqi cylinder has often transports compression chamber，Described transfiguration cylinder has variable-volume storage chamber，Described transfiguration valve is configured to turning on transfiguration air entry and the conduction position of described variable-volume storage chamber of described transfiguration cylinder and cutting off between described transfiguration air entry and the blocking position of described variable-volume storage chamber movable，When described transfiguration valve is positioned at described conduction position, described transfiguration air entry is passed through the first pressure refrigerant to described variable-volume storage chamber，It is passed through the second pressure refrigerant to described variable-volume storage chamber when described transfiguration valve is positioned at described blocking position；And air jet system, described air jet system is located on described compressor body, described air jet system is suitable to be passed through the 3rd pressure refrigerant in described normal fortune compression chamber and described variable-volume storage chamber, the pressure of described first pressure refrigerant is less than the pressure of described 3rd pressure refrigerant, and the pressure of described 3rd pressure refrigerant is less than the pressure of described second pressure refrigerant.
Transfiguration jet compressor according to the present invention, transfiguration jet compressor according to embodiments of the present invention, by transfiguration valve being located in compression mechanism, the volume of compressor body can be effectively reduced, reduce taking up room of compressor body, by arranging air jet system, it is achieved air injection function, such that it is able to realize quasi-two-stage compression kind of refrigeration cycle.
According to some embodiments of the present invention, described air jet system includes jet channel, it is formed with the often fortune puff prot being suitable to connect with described normal fortune compression chamber on described jet channel and is suitable to the transfiguration puff prot connected with described variable-volume storage chamber, being provided with at described normal fortune puff prot and often transport air injection control device, described normal fortune air injection control device is used for controlling whether to be passed through described 3rd pressure refrigerant in described normal fortune compression chamber；Being provided with transfiguration air injection control device at described transfiguration puff prot, described transfiguration air injection control device is used for controlling whether to be passed through described 3rd pressure refrigerant in described variable-volume storage chamber.
Alternatively, described normal fortune air injection control device is one of them in piston valve and the first check-valves, described piston valve is the normal pumping piston being located in described normal fortune compression chamber, and described first check-valves is configured to irreversibly deliver to described normal fortune compression chamber described 3rd pressure refrigerant.
Alternatively, described transfiguration air injection control device is the second check-valves, and described second check-valves is configured to irreversibly deliver to described variable-volume storage chamber described 3rd pressure refrigerant.
Further, described second check-valves is arranged adjacent to the exhaust side of described transfiguration cylinder.
Specifically, described jet channel is formed on described dividing plate, described transfiguration puff prot is formed on a side end face of neighbouring described transfiguration cylinder of described dividing plate, connect between described jet channel and described transfiguration puff prot and have communicating passage, described communicating passage includes the first subchannel being sequentially communicated, second subchannel and the 3rd subchannel, described first subchannel runs through a side end face of the neighbouring described Chang Yunqi cylinder of described dividing plate and connects with described jet channel, described second subchannel is limited by least one in described Chang Yunqi cylinder and described dividing plate, first end of described 3rd subchannel connects with described second subchannel, and the second end of described 3rd subchannel connects with described transfiguration puff prot.
According to some embodiments of the present invention, described transfiguration air entry is formed at least one in described dividing plate and described transfiguration cylinder, it is formed with valve pocket in described compression mechanism, described transfiguration valve includes transfiguration spool, described transfiguration spool is movably arranged in described valve pocket, the confession pressure passageway for being passed through described second pressure refrigerant it is formed with at least one in described valve pocket and described transfiguration spool, when described transfiguration valve is positioned at described conduction position, described confession pressure passageway cuts off with described variable-volume storage chamber, when described transfiguration valve is positioned at described blocking position, described confession pressure passageway connects with described variable-volume storage chamber.
Further, described second pressure refrigerant is suitable to act on and makes described transfiguration spool move to described blocking position from described conduction position on described transfiguration spool.
Alternatively, flat seal or conical surface seal between described transfiguration spool and described transfiguration air entry when described transfiguration valve is at described blocking position.
Further, described transfiguration jet compressor farther includes: return unit, and described return unit is located in described valve pocket, and the direction that described return unit is configured to make described transfiguration spool be directed away from described transfiguration air entry is often moved.
Alternatively, described return unit is flexible member or magnetics.
Alternatively, the moving direction of described transfiguration spool and the central axis upright of described transfiguration air entry.
Alternatively, it is formed with vane slot on described transfiguration cylinder, moveable slide plate it is provided with in described vane slot, at least one in of neighbouring described transfiguration cylinder in wherein said base bearing and described supplementary bearing and described dividing plate is provided with at least one magnetic part, and described magnetic part is for being maintained at described slide plate in described vane slot.
Refrigeration system according to a second aspect of the present invention, including the transfiguration jet compressor according to the above-mentioned first aspect of the present invention.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will be apparent from easy to understand, wherein from combining the accompanying drawings below description to embodiment:
Fig. 1 is the schematic diagram of transfiguration jet compressor according to embodiments of the present invention；
Fig. 2 is the top view of the transfiguration jet compressor shown in Fig. 1；
Fig. 3 is the profile of line A-A along Fig. 2；
Fig. 4 is the schematic diagram of compression mechanism according to embodiments of the present invention；
Fig. 5 is the profile of line B-B along Fig. 4；
Fig. 6 is the profile of line C-C along Fig. 4；
Fig. 7 is the schematic diagram compressing mechanism in accordance with another embodiment of the present invention；
Fig. 8 is the schematic diagram of the compression mechanism according to further embodiment of the present invention.
Reference:
100: transfiguration jet compressor；
1: compressor body；11: base bearing；12: supplementary bearing；
13: Chang Yunqi cylinder；131: often transport compression chamber；132: often pumping piston；
14: transfiguration cylinder；141: variable-volume storage chamber；142: transfiguration air entry；143: slide plate；
15: dividing plate；151: jet channel；152: often transport puff prot；153: transfiguration puff prot；
154: the first subchannels；155: the second subchannels；
156: non-return valve seat；157: magnetic part；158: air entry；16: valve pocket；
2: transfiguration valve；21: transfiguration spool；22: return unit；
211: holding tank；212: voltage supply hole；
3: air jet system；31: non-return valve block；32: lift stopper；33: screw；
4: jet reservoir；5: pressure control pipeline.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end ", " interior ", " outward ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumferential " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more this feature.In describing the invention, except as otherwise noted, " multiple " are meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
The transfiguration jet compressor 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 8.Transfiguration jet compressor 100 may be used in refrigeration system such as air conditioning system (not shown), and now air conditioning system can only have refrigerating function, it is also possible to have refrigeration and heat-production functions simultaneously.
As shown in Figure 1-Figure 3, the transfiguration jet compressor 100 of embodiment according to a first aspect of the present invention, including compressor body 1 and air jet system 3.
Specifically, compressor body 1 includes compressing mechanism and being located at the in-house transfiguration valve 2 of compression, and compression mechanism includes base bearing 11, supplementary bearing 12 and is located at the cylinder assembly between base bearing 11 and supplementary bearing 12.Such as, as it is shown on figure 3, base bearing 11 is located at the top of cylinder assembly, and supplementary bearing 12 is located at the bottom of cylinder assembly, and now transfiguration jet compressor 100 is vertical compressor.In the application explained below, illustrate as a example by transfiguration jet compressor 100 is as vertical compressor.It is, of course, understood that transfiguration jet compressor 100 can also be horizontal compressor (not shown).Chang Yunqi cylinder 13 has often fortune compression chamber 131, and transfiguration cylinder 14 has variable-volume storage chamber 141.
Cylinder assembly includes Chang Yunqi cylinder 13, transfiguration cylinder 14 and the dividing plate 15 being located between Chang Yunqi cylinder 13 and transfiguration cylinder 14.Here, it should be noted that, " Chang Yunqi cylinder 13 " refers in the whole work process of transfiguration jet compressor 100, Chang Yunqi cylinder 13 is the most in running order, is i.e. compressed obtaining the coolant of High Temperature High Pressure to the low pressure refrigerant (the i.e. first pressure refrigerant) entered by the often fortune air entry of normal fortune cylinder 13；" transfiguration cylinder 14 " is then likely to occur the state of unloading in the whole work process of transfiguration jet compressor 100, although now there being coolant to enter in variable-volume storage chamber 141, but this coolant is not compressed by transfiguration cylinder 14, i.e. transfiguration cylinder 14 does not the most really have in harness.
Fig. 3, Fig. 4, Fig. 7 and Fig. 8 only show two cylinders (now transfiguration jet compressor 100 is duplex cylinder compressor) for illustration purposes; but those of ordinary skill after having read techniques below scheme, be clearly understood that in the technical scheme that the program is applied to three or more cylinders (now transfiguration jet compressor 100 is three cylinder compressors and more multicylinder compressor), within this also falls into protection scope of the present invention.
Transfiguration valve 2 is located in compression mechanism, as such, it is possible to effectively reduce the external volume of compressor body 1, reduce taking up room of transfiguration jet compressor 100, when the transfiguration jet compressor 100 according to the present invention is for air conditioning system, it is adapted to the casing of less air conditioning system.
Transfiguration valve 2 is configured at the conducting transfiguration air entry 142 of transfiguration cylinder 14 and the conduction position of variable-volume storage chamber 141 and cuts off between transfiguration air entry 142 and the blocking position of variable-volume storage chamber 141 movable, is normally carried out compression work or unloading realizing transfiguration cylinder 14.When transfiguration valve 2 is positioned at conduction position, owing to transfiguration air entry 142 connects with variable-volume storage chamber 141, thus the first pressure refrigerant can be passed through (such as in variable-volume storage chamber 141 by transfiguration air entry 142, low pressure refrigerant to be compressed), transfiguration cylinder 14 carries out normal compression work, first pressure refrigerant is compressed obtaining High Temperature High Pressure coolant, the now operating of transfiguration jet compressor 100 twin-tub.When transfiguration valve 2 is positioned at blocking position, the second pressure refrigerant can be passed through (such as in variable-volume storage chamber 141, high pressure coolant), now the pressure of the second pressure refrigerant is substantially the same with the pressure of the coolant (namely the coolant after transfiguration cylinder 14 compression) obtained after transfiguration jet compressor 100 compresses, now transfiguration cylinder 14 is not compressed work, and transfiguration jet compressor 100 single cylinder operates；And owing to transfiguration air entry 142 and variable-volume storage chamber 141 are to cut off, therefore the first pressure refrigerant can not enter variable-volume storage chamber 141 by transfiguration air entry 142.Wherein, the coolant that the second pressure refrigerant is discharged after being preferably transfiguration jet compressor 100 compression.
Air jet system 3 is located on compressor body 1, and as shown in Figure 1-Figure 3, air jet system 3 is located at outside compressor body 1, and air jet system 3 is suitable to be passed through the 3rd pressure refrigerant (such as, middle pressure coolant) in often fortune compression chamber 131 and variable-volume storage chamber 141 respectively.Thus, by arranging air jet system 3, the 3rd pressure refrigerant sprayed into by air jet system 3 can be compressed after mixing with the first pressure refrigerant in often fortune compression chamber 131 and variable-volume storage chamber 141, delivery temperature can reduce, this just makes the Low-Temperature Reliability of transfiguration jet compressor 100 improve, and refrigerant system capacity (such as heating capacity) increases, cold medium flux increases, this is under cryogenic, the reliability of transfiguration jet compressor 100 can be improved equally, additionally, achieve the circulation of quasi-two-stage compression, optimize cycle efficieny, save Partial shrinkage merit, improve the heat exchange efficiency of vaporizer, can be with improving energy efficiency.
Wherein, the pressure of the first pressure refrigerant is less than the pressure of the 3rd pressure refrigerant, and the pressure of the 3rd pressure refrigerant is less than the pressure of the second pressure refrigerant.Here, the 3rd pressure refrigerant can be from the middle pressure coolant of the flash vessel being connected between condenser and vaporizer of air conditioning system, it is of course also possible to directly external pipeline is passed through middle pressure coolant in often fortune compression chamber 131 and variable-volume storage chamber 141.It is understood that the concrete force value of the first pressure refrigerant, the second pressure refrigerant and the 3rd pressure refrigerant specifically can be arranged according to actual transfiguration jet compressor 100.
Transfiguration jet compressor 100 according to embodiments of the present invention, by transfiguration valve 2 being located in compression mechanism, the volume of compressor body 1 can be effectively reduced, reduce taking up room of compressor body 1, by arranging air jet system 3, realize air injection function, such that it is able to realize quasi-two-stage compression kind of refrigeration cycle.
According to some embodiments of the present invention, as shown in Figure 3 and Figure 4, air jet system 3 includes jet channel 151, jet channel 151 is formed the often fortune puff prot 152 being suitable to connect with often fortune compression chamber 131 and is suitable to the transfiguration puff prot 153 connected with variable-volume storage chamber 141.Now the 3rd pressure refrigerant can be entered by often fortune puff prot 152 and often transport in compression chamber 131, and entered in variable-volume storage chamber 141 by transfiguration puff prot 153.Often being provided with at fortune puff prot 152 and often transport air injection control device, often fortune air injection control device is used for controlling whether to be passed through the 3rd pressure refrigerant in often fortune compression chamber 131.Being provided with transfiguration air injection control device at transfiguration puff prot 153, transfiguration air injection control device is used for controlling whether to be passed through the 3rd pressure refrigerant in variable-volume storage chamber 141.
Alternatively, often fortune air injection control device is one of them in piston valve and the first check-valves (not shown), piston valve is to be located at often to transport the normal pumping piston 132 in compression chamber 131, as shown in figures 3 to 6, during normal pumping piston 132 rotates in often fortune compression chamber 131, in some moment, often pumping piston 132 can block often fortune puff prot 152, now the 3rd pressure refrigerant can not be entered into by often fortune puff prot 152 and often transport in compression chamber 131, and in other moment, often pumping piston 132 can be dodged and hold often fortune puff prot 152, thus the 3rd pressure refrigerant can be entered into by often fortune puff prot 152 and often transport in compression chamber 131.
First check-valves is configured to the 3rd pressure refrigerant be irreversibly delivered to often fortune compression chamber 131, and often transports the coolant in compression chamber 131 and can not enter jet channel 151 by often fortune puff prot 152.First check-valves is in closure under normal conditions and often transports the state of puff prot 152, now the 3rd pressure refrigerant can not enter into often fortune compression chamber 131 by often fortune puff prot 152, and when the pressure of the 3rd pressure refrigerant in jet channel 151 is more than opposite side (the most often coolant pressure in fortune compression chamber 131) of the first check-valves, first check-valves is opened, and the 3rd pressure refrigerant can be entered into by often fortune puff prot 152 often transports in compression chamber 131.
Alternatively, the first check-valves can be arranged adjacent to the exhaust side (i.e. the side at the air vent place of Chang Yunqi cylinder 13) of Chang Yunqi cylinder 13.Thus, the pressure of the 3rd pressure refrigerant owing to being sprayed into by air jet system 3 is more than the pressure of the first pressure refrigerant, therefore the first check-valves is arranged on the side of the close air vent of Chang Yunqi cylinder 13, work done during compression can be saved, reduce the energy consumption of transfiguration jet compressor 100.
As shown in Figure 6, transfiguration air injection control device is the second check-valves, and the second check-valves is configured to irreversibly deliver to variable-volume storage chamber 141 the 3rd pressure refrigerant, and the coolant in variable-volume storage chamber 141 can not enter jet channel 151 by transfiguration puff prot 153.Second check-valves is in the state of closure transfiguration puff prot 153 under normal conditions, now the 3rd pressure refrigerant can not enter into variable-volume storage chamber 141 by transfiguration puff prot 153, and when the pressure of the 3rd pressure refrigerant in jet channel 151 is more than opposite side (the most often coolant pressure in fortune compression chamber 131) of the second check-valves, second check-valves is opened, and the 3rd pressure refrigerant can be entered in variable-volume storage chamber 141 by transfiguration puff prot 153.
Alternatively, the second check-valves can be arranged adjacent to the exhaust side (i.e. the side at the air vent place of transfiguration cylinder 14) of transfiguration cylinder 14.Thus, the pressure of the 3rd pressure refrigerant owing to being sprayed into by air jet system 3 is more than the pressure of the first pressure refrigerant, therefore the second check-valves is arranged on the side of the close air vent of transfiguration cylinder 14, work done during compression can be saved, reduce the energy consumption of transfiguration jet compressor 100.
In some embodiments of the invention, as shown in figures 3 to 6, often fortune air injection control device is piston valve, and transfiguration air injection control device is the second check-valves.And in other embodiments of the present invention, often fortune air injection control device is the first check-valves, transfiguration air injection control device is the second check-valves.Wherein, often fortune air injection control device and the various combination of transfiguration air injection control device, be for difference cylinder discharge capacity and the transfiguration jet compressor 100 of discharge capacity ratio, arrange different jet structures, be so conducive to improving efficiency.
Some specific embodiments according to the present invention, with reference to Fig. 3 and Fig. 4 and combine Fig. 5 and Fig. 6, jet channel 151 is formed on dividing plate 15, jet channel 151 preferably radially extending along dividing plate 15, often the first end of fortune puff prot 152 is (such as, lower end in Fig. 3 with Fig. 4) connect with jet channel 151, and often transport the second end of puff prot 152 (such as, upper end in Fig. 3 and Fig. 4) run through a side end face of the neighbouring Chang Yunqi cylinder 13 of dividing plate 15, often fortune puff prot 152 can axially extending along dividing plate 15, but be not limited to this.Alternatively, as it is shown in figure 5, the cross section often transporting puff prot 152 can be formed towards the long arc-shaped hole that the direction away from dividing plate 15 central axis is recessed.It is understood that often the fortune concrete shape of puff prot 152, size and the position etc. that arranges on dividing plate 15 specifically can be arranged according to actual requirement, preferably to meet actual requirement.
Transfiguration puff prot 153 is formed on a side end face of neighbouring transfiguration cylinder 14 of dividing plate 15, and connecting between jet channel 151 and transfiguration puff prot 153 has communicating passage.3rd pressure refrigerant enters variable-volume storage chamber 141 after being suitable to flow through jet channel 151, communicating passage and transfiguration puff prot 153 successively.
Specifically, as shown in Figure 5 and Figure 6, communicating passage includes the first subchannel the 154, second subchannel 155 and the 3rd subchannel being sequentially communicated, first subchannel 154 runs through a side end face of the neighbouring Chang Yunqi cylinder 13 of dividing plate 15, and first subchannel 154 connect with jet channel 151, second subchannel 155 is limited by least one in normal fortune cylinder 13 and dividing plate 15, such as, with reference to Fig. 3 and Fig. 4 and combine Fig. 5, the second subchannel 155 can be downwardly concaved by a side end face of the neighbouring Chang Yunqi cylinder 13 of dividing plate 15 and be formed.It is understood that the extension shape etc. in the second concrete molding mode of subchannel 155 and at least one in Chang Yunqi cylinder 13 and dividing plate 15 specifically can be arranged according to actual requirement, preferably to meet actual requirement.First end and second subchannel 155 of the 3rd subchannel connect, and the 3rd second end of subchannel connect with transfiguration puff prot 153, such as, the 3rd subchannel can run through two end faces of dividing plate 15, and one end of the neighbouring transfiguration cylinder 14 of the 3rd subchannel is transfiguration puff prot 153.
Thus, in order to simplify the structure of compression mechanism, one dividing plate 15 can be only set, then the second subchannel 155 is set between the end face of this dividing plate 15 and Chang Yunqi cylinder 13, the most both achieved Chang Yunqi cylinder 13 and the air injection function of transfiguration cylinder 14, dividing plate 15 quantity saved again and material, thus reduce cost.
Wherein, the second check-valves is located at the side of neighbouring transfiguration cylinder 14 of dividing plate 15.Such as, as shown in Figure 6, one side end face of the neighbouring transfiguration cylinder 14 of dividing plate 15 is provided with non-return valve seat 156, second check-valves is located in non-return valve seat 156, specifically, second check-valves includes non-return valve block 31 and the lift stopper 32 of the side away from non-return valve seat 156 inwall being located at non-return valve block 31, and one end of non-return valve block 31 and lift stopper 32 can be fixedly connected in non-return valve seat 156 by screw 33, and the other end of non-return valve block 31 covers on transfiguration puff prot 153.When the pressure of the 3rd pressure refrigerant in jet channel 151 is less than the coolant pressure in variable-volume storage chamber 141, non-return valve block 31 blocks transfiguration puff prot 153, thus the 3rd pressure refrigerant can not enter variable-volume storage chamber 141 by transfiguration puff prot 153.And when the pressure of the 3rd pressure refrigerant is more than the coolant pressure in variable-volume storage chamber 141, non-return valve block 31 by under the effect of both sides pressure reduction towards the direction action of variable-volume storage chamber 141, thus open transfiguration puff prot 153, make the 3rd pressure refrigerant enter variable-volume storage chamber 141 by transfiguration puff prot 153.Lift stopper 32 here functions as the effect limiting non-return valve block 31 lift, it is to avoid the excessive situation causing fracture of non-return valve block 31 action.Certainly, the second check-valves can also be located on transfiguration cylinder 14.
According to some embodiments of the present invention, transfiguration air entry 142 is formed at least one in dividing plate 15 and transfiguration cylinder 14, such as, as shown in Figure 3, reservoir is passed through the first pressure refrigerant to often fortune air entry and transfiguration air entry 142 respectively by two independent suction nozzles respectively, and this transports air entry often and transfiguration air entry 142 is respectively formed on Chang Yunqi cylinder 13 and transfiguration cylinder 14.Certainly, as shown in Figure 7 and Figure 8, often fortune air entry and transfiguration air entry 142 share an air entry 158, and this air entry 158 is formed on dividing plate 15, and now reservoir can be passed through the first pressure refrigerant to often fortune compression chamber 131 and variable-volume storage chamber 141 respectively by a suction nozzle.
Some specific embodiments according to the present invention, it is formed with valve pocket 16 in compression mechanism, transfiguration valve 2 includes transfiguration spool 21, transfiguration spool 21 is movably arranged in valve pocket 16, the confession pressure passageway for being passed through the second pressure refrigerant it is formed with at least one in valve pocket 16 and transfiguration spool 21, cut off with variable-volume storage chamber 141 for pressure passageway when transfiguration valve 2 is positioned at conduction position, connect with variable-volume storage chamber 141 for pressure passageway when transfiguration valve 2 is positioned at blocking position.
As shown in Figure 3, valve pocket 16 is limited jointly by dividing plate 15, transfiguration cylinder 14 and supplementary bearing 12, now valve pocket 16 is through transfiguration air entry 142, and transfiguration spool 21 can move up and down in valve pocket 16, and valve pocket 16 and transfiguration spool 21 limit the confession pressure passageway for being passed through the second pressure refrigerant jointly.When transfiguration spool 21 is moved upwards up in transfiguration air entry 142, transfiguration spool 21 is suitable to block transfiguration air entry 142, thus the first pressure refrigerant can not enter variable-volume storage chamber 141 by transfiguration air entry 142, now the second pressure refrigerant can make transfiguration cylinder 14 unload by entering variable-volume storage chamber 141 for pressure passageway.And when transfiguration spool 21 moves down, and transfiguration air entry 142 can connect with variable-volume storage chamber 141 again so that the first pressure refrigerant can be entered in variable-volume storage chamber 141 by transfiguration air entry 142 and be compressed.Alternatively, the moving direction of transfiguration spool 21 and the central axis upright of transfiguration air entry 142.
As shown in Figure 7 and Figure 8, valve pocket 16 is limited jointly by dividing plate 15, transfiguration cylinder 14 and supplementary bearing 12, the most above-mentioned air entry 158 is positioned at the top of valve pocket 16, transfiguration spool 21 can move up and down in valve pocket 16, and valve pocket 16 and transfiguration spool 21 limit the confession pressure passageway for being passed through the second pressure refrigerant jointly.When transfiguration spool 21 is moved upwards up to the top of valve pocket 16, transfiguration spool 21 is suitable to block air entry 158, thus the first pressure refrigerant can not enter variable-volume storage chamber 141 by air entry 158, now the second pressure refrigerant can make transfiguration cylinder 14 unload by entering variable-volume storage chamber 141 for pressure passageway.And when transfiguration spool 21 moves down, and air entry 158 can connect with variable-volume storage chamber 141 again so that the first pressure refrigerant can be entered in variable-volume storage chamber 141 by air entry 158 and be compressed.Alternatively, the moving direction of transfiguration spool 21 and the central axis upright of transfiguration air entry 142.
Alternatively, the flat seal between transfiguration spool 21 and transfiguration air entry 142 when transfiguration valve 2 is at blocking position, as shown in Figure 7, transfiguration spool 21 is generally cylindrical, the end face of transfiguration spool 21 is plane, now the contact area between transfiguration spool 21 and transfiguration air entry 142 is relatively big, and sealing transfiguration air entry 142 and variable-volume storage chamber 141 (i.e. high-low pressure) between can be effectively ensured.Certainly, when transfiguration valve 2 is positioned at blocking position, can be with conical surface seal between transfiguration spool 21 and transfiguration air entry 142, as shown in Figure 8, the top of transfiguration spool 21 can generally truncated cone-shaped, the sidewall of the connected entrance between connection transfiguration air entry 142 and valve pocket 16 is suitable with the top shape of transfiguration spool 21, now seals in inclined-plane between transfiguration spool 21 and transfiguration air entry 142, sealing transfiguration air entry 142 and variable-volume storage chamber 141 between is equally effectively ensured.
Further, the second pressure refrigerant is suitable to act on and makes transfiguration spool 21 move to blocking position from conduction position on transfiguration spool 21.Such as, as shown in Fig. 3, Fig. 7 and Fig. 8, the bottom of valve pocket 16 communicates with for pressure passageway, when being passed through three pressure refrigerant in for pressure passageway, transfiguration spool 21 overcomes the gravity of self to move up descending thereon under the effect of two ends pressure reduction, thus the 3rd pressure refrigerant can be by entering variable-volume storage chamber 141 for pressure passageway.And when to for being passed through the first pressure refrigerant in pressure passageway or time the pressure of coolant that is passed through cannot overcome the action of gravity of transfiguration spool 21, transfiguration spool 21 will remain in the bottom of valve pocket 16, makes transfiguration air entry 142 connect with variable-volume storage chamber 141 holding.
As shown in Fig. 3, Fig. 7 and Fig. 8, transfiguration jet compressor 100 farther includes: return unit 22, and return unit 22 is located in valve pocket 16, and the direction that return unit 22 is configured to make transfiguration spool 21 be directed away from transfiguration air entry 142 is often moved.Thus, by arranging return unit 22, when the pressure at transfiguration spool 21 two ends is roughly equal, transfiguration spool 21 can be made to be maintained at conduction position.When to during for being passed through three pressure refrigerant in pressure passageway, transfiguration spool 21 overcomes the gravity of self and the active force of return unit 22 to move up descend thereon under the effect of two ends pressure reduction, thus the 3rd pressure refrigerant can be by for pressure passageway entrance variable-volume storage chamber 141.And when to for being passed through the first pressure refrigerant in pressure passageway or time the pressure of coolant that is passed through cannot overcome the active force of the gravity of transfiguration spool 21 and return unit 22, transfiguration spool 21 will remain in the bottom of valve pocket 16, makes transfiguration air entry 142 keep connecting with variable-volume storage chamber 141.
Alternatively, return unit 22 is flexible member, and flexible member such as spring etc. can be directed away from the direction of transfiguration air entry 142 and often pull transfiguration spool 21.Specifically, could be formed with in transfiguration spool 21 and face away from the holding tank 211 that the direction of transfiguration air entry 142 is opened wide, one end of spring is adapted to extend into this holding tank 211 and is fixed on the inwall of this holding tank 211, thus, save the material of transfiguration spool 21, reduce cost.Simultaneously, this holding tank 211 constitutes the part for pressure passageway, also include at least one the voltage supply hole 212 being formed on the inwall of holding tank 211 for pressure passageway, when voltage supply hole 212 is multiple, threeth pressure refrigerant can be effectively ensured and can enter variable-volume storage chamber 141.
Certainly, return unit 22 can also be magnetics (not shown), and magnetics is located at the side away from transfiguration air entry 142 of transfiguration spool 21, and magnetics is suitable to adsorb transfiguration spool 21.But it is not limited to this.
As shown in Figure 4, it is formed with vane slot on transfiguration cylinder 14, moveable slide plate 143 it is provided with in vane slot, wherein at least one in of the neighbouring transfiguration cylinder 14 in base bearing 11 and supplementary bearing 12 and dividing plate 15 is provided with at least one magnetic part 157, and magnetic part 157 is for being maintained at slide plate 143 in vane slot.Thus, by arranging magnetic part 157, slide plate 143 can be made more stably to be maintained in vane slot, not produce motion because of air pressure inside fluctuation, cause slide plate 143 and piston or cylinder to produce collision, cause damage parts, improve the reliability of transfiguration jet compressor 100.
Further, air jet system 3 can also include jet reservoir 4, such that it is able to be further ensured that and enter the quality compressing in-house 3rd pressure refrigerant, transfiguration jet compressor 100 will not be produced liquid hammer.
Transfiguration jet compressor 100 according to embodiments of the present invention, its compression mechanism is included in the transfiguration valve 2 arranged at the air entry 158 of transfiguration cylinder 14, one end connection low pressure of transfiguration valve 2, other end connection pressure control pipeline 5, by the control of pressure control pipeline 5 pressure being controlled the action of transfiguration valve 2, thus control transfiguration cylinder 14 air-breathing, make transfiguration cylinder 14 load or unload, and then realize the transfiguration function of transfiguration jet compressor 100.In addition, this compression mechanism is additionally provided with jet channel 151, jet channel 151 can connect middle pressure pipe road and the cylinder compression chamber of refrigeration system, in transfiguration jet compressor 100 running, transfiguration jet compressor 100 can be carried out jet, thus realize the circulation of quasi-two-stage compression, improve ability and the efficiency of transfiguration jet compressor 100.
The refrigeration system of embodiment according to a second aspect of the present invention, including the transfiguration jet compressor 100 according to the present invention above-mentioned first aspect embodiment.
Other compositions of refrigeration system according to embodiments of the present invention and operation are the most all known, are not detailed herein.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: these embodiments can carry out in the case of without departing from the principle of the present invention and objective multiple change, revise, replace and modification, the scope of the present invention is limited by claim and equivalent thereof.
Claims (14)
1. a transfiguration jet compressor, it is characterised in that including:
nullCompressor body，Described compressor body includes compressing mechanism and being located at described compression in-house transfiguration valve，Described compression mechanism includes base bearing、Supplementary bearing、And it is located at the cylinder assembly between described base bearing and described supplementary bearing，Described cylinder assembly includes Chang Yunqi cylinder、Transfiguration cylinder、And it is located at the dividing plate between described Chang Yunqi cylinder and described transfiguration cylinder，Described Chang Yunqi cylinder has often transports compression chamber，Described transfiguration cylinder has variable-volume storage chamber，Described transfiguration valve is configured to turning on transfiguration air entry and the conduction position of described variable-volume storage chamber of described transfiguration cylinder and cutting off between described transfiguration air entry and the blocking position of described variable-volume storage chamber movable，When described transfiguration valve is positioned at described conduction position, described transfiguration air entry is passed through the first pressure refrigerant to described variable-volume storage chamber，It is passed through the second pressure refrigerant to described variable-volume storage chamber when described transfiguration valve is positioned at described blocking position；With
Air jet system, described air jet system is located on described compressor body, described air jet system is suitable to be passed through the 3rd pressure refrigerant in described normal fortune compression chamber and described variable-volume storage chamber, the pressure of described first pressure refrigerant is less than the pressure of described 3rd pressure refrigerant, and the pressure of described 3rd pressure refrigerant is less than the pressure of described second pressure refrigerant.
Transfiguration jet compressor the most according to claim 1, it is characterized in that, described air jet system includes jet channel, described jet channel is formed the often fortune puff prot being suitable to connect with described normal fortune compression chamber and is suitable to the transfiguration puff prot connected with described variable-volume storage chamber
Being provided with at described normal fortune puff prot and often transport air injection control device, described normal fortune air injection control device is used for controlling whether to be passed through described 3rd pressure refrigerant in described normal fortune compression chamber；
Being provided with transfiguration air injection control device at described transfiguration puff prot, described transfiguration air injection control device is used for controlling whether to be passed through described 3rd pressure refrigerant in described variable-volume storage chamber.
Transfiguration jet compressor the most according to claim 2, it is characterized in that, described normal fortune air injection control device is one of them in piston valve and the first check-valves, described piston valve is the normal pumping piston being located in described normal fortune compression chamber, and described first check-valves is configured to irreversibly deliver to described normal fortune compression chamber described 3rd pressure refrigerant.
Transfiguration jet compressor the most according to claim 2, it is characterised in that described transfiguration air injection control device is the second check-valves, described second check-valves is configured to irreversibly deliver to described variable-volume storage chamber described 3rd pressure refrigerant.
Transfiguration jet compressor the most according to claim 4, it is characterised in that described second check-valves is arranged adjacent to the exhaust side of described transfiguration cylinder.
Transfiguration jet compressor the most according to claim 2, it is characterised in that described jet channel is formed on described dividing plate, described transfiguration puff prot is formed on a side end face of neighbouring described transfiguration cylinder of described dividing plate,
Connect between described jet channel and described transfiguration puff prot and have communicating passage, described communicating passage includes the first subchannel, the second subchannel and the 3rd subchannel being sequentially communicated, described first subchannel runs through a side end face of the neighbouring described Chang Yunqi cylinder of described dividing plate and connects with described jet channel, described second subchannel is limited by least one in described Chang Yunqi cylinder and described dividing plate, first end of described 3rd subchannel connects with described second subchannel, and the second end of described 3rd subchannel connects with described transfiguration puff prot.
7., according to the transfiguration jet compressor according to any one of claim 1-6, it is characterised in that described transfiguration air entry is formed at least one in described dividing plate and described transfiguration cylinder, described compression mechanism is formed with valve pocket,
Described transfiguration valve includes transfiguration spool, described transfiguration spool is movably arranged in described valve pocket, the confession pressure passageway for being passed through described second pressure refrigerant it is formed with at least one in described valve pocket and described transfiguration spool, when described transfiguration valve is positioned at described conduction position, described confession pressure passageway cuts off with described variable-volume storage chamber, and when described transfiguration valve is positioned at described blocking position, described confession pressure passageway connects with described variable-volume storage chamber.
Transfiguration jet compressor the most according to claim 7, it is characterised in that described second pressure refrigerant is suitable to act on makes described transfiguration spool move to described blocking position from described conduction position on described transfiguration spool.
Transfiguration jet compressor the most according to claim 7, it is characterised in that flat seal or conical surface seal between described transfiguration spool and described transfiguration air entry when described transfiguration valve is at described blocking position.
Transfiguration jet compressor the most according to claim 7, it is characterised in that farther include:
Return unit, described return unit is located in described valve pocket, and the direction that described return unit is configured to make described transfiguration spool be directed away from described transfiguration air entry is often moved.
11. transfiguration jet compressors according to claim 10, it is characterised in that described return unit is flexible member or magnetics.
12. transfiguration jet compressors according to claim 7, it is characterised in that the moving direction of described transfiguration spool and the central axis upright of described transfiguration air entry.
13. transfiguration jet compressors according to claim 7, it is characterized in that, it is formed with vane slot on described transfiguration cylinder, moveable slide plate it is provided with in described vane slot, at least one in of neighbouring described transfiguration cylinder in wherein said base bearing and described supplementary bearing and described dividing plate is provided with at least one magnetic part, and described magnetic part is for being maintained at described slide plate in described vane slot.
14. 1 kinds of refrigeration systems, it is characterised in that include according to the transfiguration jet compressor according to any one of claim 1-13.
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