CN204851640U - Compressor and heat transfer system - Google Patents
Compressor and heat transfer system Download PDFInfo
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- CN204851640U CN204851640U CN201520597536.6U CN201520597536U CN204851640U CN 204851640 U CN204851640 U CN 204851640U CN 201520597536 U CN201520597536 U CN 201520597536U CN 204851640 U CN204851640 U CN 204851640U
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Abstract
The utility model provides a compressor and heat transfer system. The compressor includes bent axle and first cylinder, second cylinder and the third cylinder arranged in proper order along the axial of bent axle, and first cylinder is the high pressure stage cylinder, and second cylinder and third cylinder are the low -pressure stage cylinder, and the compressor still includes varactor switching mechanism, cylinder uninstallation of varactor switching mechanism control third or loading, and the compressor has row mode for the national games and partial operational mode, and when the compressor was in row mode for the national games, varactor switching mechanism made third cylinder loading under the discharge pressure's of compressor effect, when the compressor was in partial operational mode, varactor switching mechanism made the uninstallation of third cylinder under the intake pressure's of compressor effect. Through set up varactor switching mechanism in the compressor to make at least one cylinder come into operation or uninstall under varactor switching mechanism's effect, make the compressor have function that the varactor switches, can satisfy different work condition's service requirement and improve the ability of heating of the compressor under the different work condition.
Description
Technical field
The utility model relates to technical field of heat exchange, in particular to a kind of compressor and heat-exchange system.
Background technique
In prior art, usually adopt electric auxiliary heat to improve the heating capacity of compressor, or adopt the compressor with two-stage enthalpy increasing function to solve the problem of the low-temperature heating ability that compressor exists, but there is problem in various degree.
1. adopt electric auxiliary heat to improve the method for the heating capacity of compressor, there is the problem that efficiency is lower;
2. adopt the compressor with two-stage enthalpy increasing function, the discharge capacity that there is compressor cannot regulate, the adaptive capacity of compressor to operating conditions is poor, under the prerequisite ensureing the heating capacity of compressor under worst cold case and efficiency, when compressor can be caused to run under common operating mode, there is the problem that efficiency reduces.
Model utility content
Main purpose of the present utility model is to provide a kind of compressor and heat-exchange system, with solve compressor of the prior art due to cannot transfiguration run and cause the problem that the heating capacity of compressor is poor, efficiency is low.
To achieve these goals, according to an aspect of the present utility model, provide a kind of compressor, the first cylinder comprising bent axle and be arranged in order along the axis of bent axle, second cylinder and the 3rd cylinder, first cylinder is high pressure stage cylinder, second cylinder and the 3rd cylinder are low pressure stage cylinder, compressor also comprises transfiguration switching mechanism, transfiguration switching mechanism controls the 3rd cylinder unloading or loads, compressor has row mode for the national games and part operating mode, when compressor is in row mode for the national games, transfiguration switching mechanism makes the 3rd cylinder load under the effect of the exhaust pressure of compressor, when compressor is in part operating mode, transfiguration switching mechanism makes the 3rd cylinder unloading under the effect of the suction pressure of compressor.
Further, transfiguration switching mechanism comprises: pressure control portion, pressure control portion optionally with the relief opening of compressor or the suction port conducting of compressor; Locking body, pressure control portion controls the matching relationship of the slide plate of locking body and the 3rd cylinder, when the suction port conducting of pressure control portion and compressor, the slide plate locking of locking body and the 3rd cylinder unloads to make the 3rd cylinder, and when the relief opening conducting of pressure control portion and compressor, the slide plate of locking body and the 3rd cylinder unlocks that the 3rd cylinder is loaded.
Further, transfiguration switching mechanism also comprises elastic reset member, and the first end of locking body and slide plate unlock or locking, and elastic reset member is arranged on second end relative with first end of locking body, and pressure control portion controls the pressure of the first end of locking body.
Further, transfiguration switching mechanism also comprises voltage stabilizing branch road, and the first end of voltage stabilizing branch road is communicated with the suction port of compressor, and the second end that the second end of voltage stabilizing branch road is locking body provides pressure.
Further, pressure control portion comprises: the first branch road, and the first end of the first branch road is communicated with the suction port of compressor, and the second end of the first branch road controls the pressure of the first end of locking body; For controlling the first switch valve of the first branch road break-make, the first switch valve is arranged on the first leg; Second branch road, the first end of the second branch road is communicated with the relief opening of compressor, and the second end of the second branch road controls the pressure of the first end of locking body; For controlling the second switch valve of the second branch road break-make, second switch valve is arranged on the second branch road.
Further, compressor also comprises mixer, and the first suction port of mixer is communicated with the relief opening of the second cylinder, and the mixer relief opening of mixer is communicated with the suction port of the first cylinder, and the second suction port of mixer is gas supplementing opening.
Further, compressor also comprises the first dividing plate, and the first dividing plate is arranged between the second cylinder and the 3rd cylinder.
Further, first dividing plate has the first diaphragm cavity be communicated with the relief opening of the second cylinder, second cylinder also has the ft connection mouth be communicated with the first diaphragm cavity, first suction port of mixer is communicated with the first diaphragm cavity by ft connection mouth, when compressor is in part operating mode, the ft connection mouth of the suction port of the second cylinder, the relief opening of the second cylinder, the first diaphragm cavity, the second cylinder, mixer, the suction port of the first cylinder, the relief opening of the first cylinder are communicated with in turn.
Further, 3rd cylinder has first intermediate flow channel of isolating with the compression chamber of the 3rd cylinder, compressor also comprises: second partition, second partition is arranged between the first dividing plate and the 3rd cylinder, and second partition also has the second partition intercommunicating pore that the first intermediate flow channel of the 3rd cylinder is communicated with the first diaphragm cavity, first flange, first flange is arranged on the side away from the second cylinder of the 3rd cylinder, first flange has the first flange cavity, first flange cavity is all communicated with the first intermediate flow channel with the relief opening of the 3rd cylinder, when compressor is in row mode for the national games, the suction port of the second cylinder, the relief opening of the second cylinder, first diaphragm cavity, the ft connection mouth of the second cylinder, mixer, the suction port of the first cylinder, the relief opening of the first cylinder is communicated with in turn, and the suction port of the 3rd cylinder is by the relief opening of the 3rd cylinder, first flange cavity, first intermediate flow channel, second partition intercommunicating pore is communicated with the first diaphragm cavity.
Further, compressor also comprises increasing enthalpy parts, increases enthalpy parts and is communicated with the suction port of the first cylinder.
Further, compressor also comprises: the first dividing plate, and the first dividing plate is arranged between the second cylinder and the first cylinder; 3rd dividing plate, the 3rd dividing plate is arranged between the first cylinder and the first dividing plate.
Further, 3rd dividing plate has the 3rd dividing plate intercommunicating pore, first dividing plate has the first diaphragm cavity be communicated with the relief opening of the second cylinder, and the first diaphragm cavity is communicated with the suction port of the first cylinder by the 3rd dividing plate intercommunicating pore, when compressor is in part operating mode, the suction port of the second cylinder, the relief opening of the second cylinder, the first diaphragm cavity, the 3rd dividing plate intercommunicating pore, the suction port of the first cylinder, the relief opening of the first cylinder are communicated with in turn.
Further, 3rd cylinder has first intermediate flow channel of isolating with the compression chamber of the 3rd cylinder, second cylinder also has second intermediate flow channel of isolating with the compression chamber of the second cylinder, second intermediate flow channel is communicated with the first diaphragm cavity, compressor also comprises: second partition, second partition is arranged between the second cylinder and the 3rd cylinder, and second partition also has the second partition intercommunicating pore that the first intermediate flow channel of the 3rd cylinder is communicated with the second intermediate flow channel of the second cylinder, first flange, first flange is arranged on the side away from the second cylinder of the 3rd cylinder, first flange has the first flange cavity, first flange cavity is all communicated with the first intermediate flow channel with the relief opening of the 3rd cylinder, when compressor is in row mode for the national games, the suction port of the second cylinder, the relief opening of the second cylinder, first diaphragm cavity, the suction port of the first cylinder, the relief opening of the first cylinder is communicated with in turn, and the suction port of the 3rd cylinder is by the relief opening of the 3rd cylinder, first flange cavity, first intermediate flow channel, second partition intercommunicating pore is communicated with the first diaphragm cavity with the second intermediate flow channel.
According to another aspect of the present utility model, provide a kind of heat-exchange system, comprise compressor, compressor is following compressor.
Application the technical solution of the utility model, by arranging transfiguration switching mechanism in compressor, to make at least one cylinder come into operation under the effect of transfiguration switching mechanism or unload, thus the heating capacity of the function switched that makes compressor have transfiguration, the service condition that can meet different operating mode, the compressor that can improve under different operating mode, effectively improve the comprehensive energy efficiency of compressor.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 compressor shown in the utility model is in the running principle figure of the heat-exchange system under row mode for the national games;
Fig. 2 compressor shown in the utility model is in the running principle figure of the heat-exchange system under part operating mode;
Fig. 3 shows working state schematic representation when transfiguration switching mechanism in the utility model and the 3rd cylinder locking;
Fig. 4 shows working state schematic representation when transfiguration switching mechanism in the utility model and the 3rd cylinder unlock;
Fig. 5 shows the surface structure schematic diagram of the compressor in first embodiment of the present utility model;
Fig. 6 shows the internal structure schematic diagram of the compressor in Fig. 5;
Fig. 7 compressor shown in Fig. 6 is in the flow of refrigerant schematic diagram under part operating mode;
Fig. 8 compressor shown in Fig. 6 is in the flow of refrigerant schematic diagram under row mode for the national games;
Fig. 9 shows the structural representation of the first dividing plate of the compressor in Fig. 6;
Figure 10 shows the structural representation of the second cylinder of the compressor in Fig. 6;
Figure 11 shows the structural representation of the 3rd cylinder of the compressor in Fig. 6;
Figure 12 shows the structural representation of the first flange of the compressor in Fig. 6;
Figure 13 shows the structural representation of the first flange plate of the compressor in Fig. 6;
Figure 14 shows the passage relation schematic diagram after the first flange of the compressor in Fig. 6, the 3rd cylinder and the first flange cover plate combination;
Figure 15 shows the surface structure schematic diagram of the compressor in second embodiment of the present utility model;
Figure 16 shows the internal structure schematic diagram of the compressor in Figure 15;
Figure 17 compressor shown in Figure 16 is in the flow of refrigerant schematic diagram under part operating mode;
Figure 18 compressor shown in Figure 16 is in the flow of refrigerant schematic diagram under row mode for the national games;
Figure 19 shows the structural representation of the first cylinder of the compressor in Figure 16;
Figure 20 shows the structural representation of the first dividing plate of the compressor in Figure 16; And
Figure 21 shows the structural representation of the second cylinder of the compressor in Figure 16.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, bent axle; 11, housing; 12, cover assembly; 13, lower cover; 14, stator module; 15, rotor assembly; 16, the 3rd dividing plate; 20, the first cylinder; 21, the first roller; 30, the second cylinder; 31, ft connection mouth; 32, the second intermediate flow channel; 33, the second roller; 40, the 3rd cylinder; 41, slide plate; 42, the first intermediate flow channel; 43, three rollers; 44, transfiguration Stress control passage; 50, transfiguration switching mechanism; 511, the first branch road; 512, the first switch valve; 513, the second branch road; 514, second switch valve; 52, locking body; 53, elastic reset member; 54, voltage stabilizing branch road; 60, mixer; 61, the first suction port; 62, mixer relief opening; 63, the second suction port; 70, the first dividing plate; 71, the first diaphragm cavity; 80, second partition; 90, the first flange; 91, the first flange cavity; 92, the first flange plate; 100, enthalpy parts are increased; 200, four-way valve; 300, First Heat Exchanger; 400, first throttle valve; 500, flash vessel; 600, second throttle; 700, the second heat exchanger; 800, liquor separator; 900, the second flange.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
It is noted that following detailed description is all exemplary, be intended to provide further instruction to the application.Unless otherwise, all technology used herein and scientific terminology have the identical meanings usually understood with the application person of an ordinary skill in the technical field.
In the utility model, when not doing contrary explanation, the noun of locality of use such as " inside and outside " refers to profile inside and outside relative to each parts itself, but the above-mentioned noun of locality is not limited to the utility model.
In order to solve compressor of the prior art due to cannot transfiguration run and cause the problem that the heating capacity of compressor is poor, efficiency is low, the utility model provides a kind of compressor and heat-exchange system, wherein, heat-exchange system comprises compressor, and compressor is following compressor.
As depicted in figs. 1 and 2, heat-exchange system also comprises four-way valve 200, First Heat Exchanger 300, first throttle valve 400, flash vessel 500, second throttle 600, second heat exchanger 700, liquor separator 800 and following increasing enthalpy parts 100 or mixer 60, wherein, the relief opening of compressor is communicated with four-way valve 200 by four-way valve 200, First Heat Exchanger 300, first throttle valve 400, flash vessel 500, second throttle 600, second heat exchanger 700, and four-way valve 200 is also communicated with the suction port of compressor by liquor separator 800.Flash vessel 500 is communicated with the cylinder of compressor by increasing enthalpy parts 100 or mixer 60.
As depicted in figs. 1 and 2, the first cylinder 20 that compressor comprises bent axle 10 and is arranged in order along the axis of bent axle 10, second cylinder 30 and the 3rd cylinder 40, first cylinder 20 is high pressure stage cylinders, second cylinder 30 and the 3rd cylinder 40 are low pressure stage cylinder, it is characterized in that, compressor also comprises transfiguration switching mechanism 50, transfiguration switching mechanism 50 controls the 3rd cylinder 40 and unloads or load, compressor has row mode for the national games and part operating mode, when compressor is in row mode for the national games, transfiguration switching mechanism 50 makes the 3rd cylinder 40 load under the effect of the exhaust pressure of compressor, when compressor is in part operating mode, transfiguration switching mechanism 50 makes the 3rd cylinder 40 unload under the effect of the suction pressure of compressor.
It should be noted that, the high pressure stage cylinder of above-mentioned indication refers to the cylinder that the air pressure in it is higher relative to low pressure stage cylinder, namely by the gas supplied in low pressure stage cylinder in high pressure stage cylinder again after second compression to produce the gas of secondary compression.Similarly, low pressure stage cylinder refers to the cylinder that air pressure in it is lower relative to high pressure stage cylinder.Here high pressure or low pressure are relatively, have nothing to do with the number range of high pressure, low pressure.
By arranging transfiguration switching mechanism in compressor, to make at least one cylinder come into operation under the effect of transfiguration switching mechanism 50 or unload, thus the heating capacity of the function switched that makes compressor have transfiguration, the service condition that can meet different operating mode, the compressor that can improve under different operating mode, effectively improve the comprehensive energy efficiency of compressor.By the mode adopting transfiguration to switch, to make compressor run with different capacity and volume ratio under the operating mode of row mode for the national games and part operating mode, thus compressor is made to have adaptable, advantage that comprehensive energy efficiency is high to different operating mode.
In preferred implementation shown in Fig. 1 and Fig. 2, transfiguration switching mechanism 50 is for carrying out the control of load or unload to the 3rd cylinder 40.Certainly, transfiguration switching mechanism 50 can also be selected to carry out control (not shown) to the second cylinder 30.
As shown in Figures 1 to 4, transfiguration switching mechanism 50 comprises pressure control portion and locking body 52, pressure control portion optionally with the relief opening of compressor or the suction port conducting of compressor; Pressure control portion controls the matching relationship of the slide plate 41 of locking body 52 and the 3rd cylinder 40, when the suction port conducting of pressure control portion and compressor, slide plate 41 locking of locking body 52 and the 3rd cylinder 40 unloads to make the 3rd cylinder 40, and when the relief opening conducting of pressure control portion and compressor, the slide plate 41 of locking body 52 and the 3rd cylinder 40 unlocks the 3rd cylinder 40 is loaded.Because the exhaust pressure of compressor is higher, and the suction pressure of compressor is lower, thus in the condition shown in figure 1, the exhaust pressure of compressor makes the slide plate 41 of locking body 52 and the 3rd cylinder 40 unlock, thus the 3rd cylinder 40 is loaded, namely come into operation, at this moment compressor realizes the row mode for the national games of huge discharge little volume ratio Two-stage Compression; In the state of fig. 2, the suction pressure of compressor makes slide plate 41 locking of locking body 52 and the 3rd cylinder 40, thus the 3rd cylinder 40 is unloaded, namely do not compress and only dally, at this moment compressor realizes the part operating mode of the large volume ratio Two-stage Compression of small displacement.
In embodiment as shown in Figure 3 and Figure 4, transfiguration switching mechanism 50 also comprises elastic reset member 53, first end and the slide plate 41 of locking body 52 unlock or locking, elastic reset member 53 is arranged on second end relative with first end of locking body 52, and pressure control portion controls the pressure of the first end of locking body 52.Owing to being provided with elastic reset member 53, thus under the effect of elastic reset member 53, one can be provided to the support force of the motion of slide plate 41 side to locking body 52, when the exhaust pressure of compressor overcome elastic reset member 53 do work time, locking body 52 and slide plate 41 just can be made to unlock, thus make compressor enter row mode for the national games.
Preferably, elastic reset member 53 is springs.
Locking body 52 in the utility model for having the pin of head, after the head of pin engages with the draw-in groove of slide plate 41, the two locking.
In order to improve the Stress control to locking body 52 further, transfiguration switching mechanism 50 in the utility model also comprises voltage stabilizing branch road 54, the first end of voltage stabilizing branch road 54 is communicated with the suction port of compressor, and the second end that the second end of voltage stabilizing branch road 54 is locking body 52 provides pressure (please refer to Fig. 1 and Fig. 2).The second end being always locking body 52 due to voltage stabilizing branch road 54 provides the suction pressure of compressor, thus ensure only when just unlocking with slide plate 41 under the exhaust pressure effect at compressor of the first end of locking body 52, thus make transfiguration switching mechanism 50 have the good advantage of easily control property.
In the preferred implementation shown in Fig. 1 and Fig. 2, pressure control portion comprises the first branch road 511, for controlling the first switch valve 512, second branch road 513 of the first branch road 511 break-make and the second switch valve 514 for controlling the second branch road 513 break-make, the first end of the first branch road 511 is communicated with the suction port of compressor, and the second end of the first branch road 511 controls the pressure of the first end of locking body 52; First switch valve 512 is arranged on the first branch road 511; The first end of the second branch road 513 is communicated with the relief opening of compressor, and the second end of the second branch road 513 controls the pressure of the first end of locking body 52; Second switch valve 514 is arranged on the second branch road 513.First branch road 511 for the exhaust pressure of compressor is supplied to locking body 52, the second branch road 513 for the exhaust pressure of compressor is supplied to locking body 52, to realize locking body 52 and the unblock of slide plate 41 or the switching of locking.
It should be noted that, the dotted line in figure represents that the switch valve that this branch road is corresponding is in closed condition, and this branch road is obstructed.
According to the difference of tonifying Qi parts, the utility model provides two kinds of concrete mode of executions.In first mode of execution, compressor adopts mixer 60, and in second mode of execution, compressor adopts and increases enthalpy parts 100.This two embodiments will be introduced respectively below.
In first mode of execution, as shown in Fig. 5 to Figure 14, compressor also comprises mixer 60, first suction port 61 of mixer 60 is communicated with the relief opening of the second cylinder 30, the mixer relief opening 62 of mixer 60 is communicated with the suction port of the first cylinder 20, and the second suction port 63 of mixer 60 is gas supplementing opening.As above-mentioned, flash vessel 500 is connected with the second suction port 63 of mixer 60.
As shown in Figure 5, mixer 60 is arranged on the outside of the housing 11 of compressor.Avoid mixer 60 to take the inner space of compressor like this, make the two rational deployment.
As shown in Figure 6, the two ends of housing 11 are also provided with cover assembly 12 and lower cover 13.Compressor also comprises stator module 14, the rotor assembly 15 be arranged in stator module 14, the first roller 21 be arranged in the first cylinder 20, the second roller 33 be arranged in the second cylinder 30, the three rollers 43 be arranged in the 3rd cylinder 40, be arranged on the 3rd dividing plate 16 between the second cylinder 30 and the first cylinder 20.
As shown in Figure 6, compressor also comprises the side away from the second cylinder 30 that the second flange 900, second flange 900 is arranged on the first cylinder 20.
As shown in Figure 6, compressor also comprises the first dividing plate 70, first dividing plate 70 and is arranged between the second cylinder 30 and the 3rd cylinder 40.The structure that compressor in the present embodiment adopts the second cylinder 30 times exhaust, mixer 60 (inside having middle compression refrigerant) external, the low pressure stage cylinder middle compression refrigerant of discharging is made up of to the runner of high pressure stage cylinder air-breathing exterior line.
As shown in Fig. 7, Fig. 9 and Figure 10, first dividing plate 70 has the first diaphragm cavity 71 be communicated with the relief opening of the second cylinder 30, second cylinder 30 also has the ft connection mouth 31 be communicated with the first diaphragm cavity 71, and the first suction port 61 of mixer 60 is communicated with the first diaphragm cavity 71 by ft connection mouth 31.
As shown in Fig. 8 to Figure 14,3rd cylinder 40 has first intermediate flow channel 42 of isolating with the compression chamber of the 3rd cylinder 40, compressor also comprises second partition 80 and the first flange 90, second partition 80 is arranged between the first dividing plate 70 and the 3rd cylinder 40, and second partition 80 also has the second partition intercommunicating pore that the first intermediate flow channel 42 of the 3rd cylinder 40 is communicated with the first diaphragm cavity 71; First flange 90 is arranged on the side away from the second cylinder 30 of the 3rd cylinder 40, and the first flange 90 has the first flange cavity 91, first flange cavity 91 and is all communicated with the first intermediate flow channel 42 with the relief opening of the 3rd cylinder 40.
Wherein, second partition 80, first dividing plate 70 and the second cylinder 30 make the first diaphragm cavity 71 form the refrigeration agent receiving cavity of the exhaust for holding the second cylinder 30.
As shown in Figure 6, compressor also comprises the first flange plate 92, first flange 90 and is folded between the 3rd cylinder 40 and the first flange plate 92, with the refrigeration agent receiving cavity making the first flange cavity 91 form the exhaust for holding the 3rd cylinder 40.
In addition, the inner flow passage of refrigeration agent is arranged on the 3rd cylinder 40, first flange 90, second partition 80, second cylinder 30, first dividing plate 70.The transfiguration Stress control passage 44 of the transfiguration switching mechanism 50 of compressor is arranged on the 3rd cylinder 40, first flange 90 and the first flange plate 92.
As shown in figure 14, the 3rd cylinder 40, first flange 90 and the first flange plate 92 all have transfiguration Stress control passage 44 (controlling the first end of locking body 52 and the pressure of the second end).
When compressor is in part operating mode, the suction port of the second cylinder 30, the relief opening of the second cylinder 30, the ft connection mouth 31 of the first diaphragm cavity 71, second cylinder 30, the suction port of mixer 60, first cylinder 20, the relief opening of the first cylinder 20 are communicated with in turn.Now, the first switch valve 512 conducting, second switch valve 514 are closed, compressor operating small displacement large volume ratio twin-tub Bi-level mode.The refrigerant gas supplied by liquor separator 800 is sent in the second cylinder 30, and the refrigerant gas after first time compression is expelled in the first diaphragm cavity 71, then enters into mixer 60 through the ft connection mouth 31 of the second cylinder 30; Simultaneously, the tonifying Qi supplied by flash vessel 500 side passes in the second suction port 63 of mixer 60, carry out second time in first cylinder 20 and compress with together sending into after the gas and vapor permeation in mixer 60, then the upper space of housing 11 is discharged to, outlet pipe again through cover assembly 12 is discharged, and so far compressor completes the whole compressor process of refrigeration agent.
When compressor is in row mode for the national games, the suction port of the second cylinder 30, the relief opening of the second cylinder 30, the ft connection mouth 31 of the first diaphragm cavity 71, second cylinder 30, the suction port of mixer 60, first cylinder 20, the relief opening of the first cylinder 20 are communicated with in turn, and the suction port of the 3rd cylinder 40 is communicated with the first diaphragm cavity 71 by the relief opening of the 3rd cylinder 40, the first flange cavity 91, first intermediate flow channel 42, second partition intercommunicating pore.Now, second switch valve 514 conducting, the first switch valve 512 cuts out, compressor operating huge discharge little volume ratio three cylinder Bi-level mode.The refrigerant gas supplied by liquor separator 800 is sent in the second cylinder 30, and the refrigerant gas after first time compression is expelled in the first diaphragm cavity 71; Simultaneously, the refrigeration agent having liquor separator 800 to supply is sent in the 3rd cylinder 40 simultaneously, through first time compression after refrigerant gas be expelled to the refrigerant gas in the first flange cavity 91, first flange cavity 91 through the first flange 90, second partition 80, first diaphragm cavity 71, second cylinder 30 ft connection mouth 31, enter in mixer 60; Simultaneously, the tonifying Qi supplied by flash vessel 500 side passes in the second suction port 63 of mixer 60, carry out second time in first cylinder 20 and compress with together sending into after the gas and vapor permeation in mixer 60, then the upper space of housing 11 is discharged to, outlet pipe again through cover assembly 12 is discharged, and so far compressor completes the whole compressor process of refrigeration agent.
In second mode of execution, as shown in Figure 15 to Figure 21, compressor also comprises increasing enthalpy parts 100, increases enthalpy parts 100 and is communicated with the suction port of the first cylinder 20.As above-mentioned, flash vessel 500 is connected with increasing enthalpy parts 100.As shown in figure 16, the two ends of housing 11 are also provided with cover assembly 12 and lower cover 13.Compressor also comprises stator module 14, the rotor assembly 15 be arranged in stator module 14, the first roller 21 be arranged in the first cylinder 20, the second roller 33 be arranged in the second cylinder 30, the three rollers 43 be arranged in the 3rd cylinder 40.
As shown in figure 16, compressor also comprises the first dividing plate 70 and the 3rd dividing plate 16, first dividing plate 70 is arranged between the second cylinder 30 and the first cylinder 20, and the 3rd dividing plate 16 is arranged between the first cylinder 20 and the first dividing plate 70.Compressor in the present embodiment adopts the structure of exhaust on the second cylinder 30, middle pressure refrigerant channel is arranged on the inside of housing 11, is separately positioned on the 3rd cylinder 40, first flange 90, second partition 80, second cylinder 30, first dividing plate 70, the 3rd dividing plate 16.And the transfiguration Stress control passage 44 of compressor is arranged on the 3rd cylinder 40, first flange 90 and the first flange plate 92 and (controls the first end of locking body 52 and the pressure of the second end).
As shown in figure 16, compressor also comprises the side away from the second cylinder 30 that the second flange 900, second flange 900 is arranged on the first cylinder 20.
As shown in Figure 16, Figure 19 and Figure 20,3rd dividing plate 16 has the 3rd dividing plate intercommunicating pore, first dividing plate 70 has the first diaphragm cavity 71 be communicated with the relief opening of the second cylinder 30, and the first diaphragm cavity 71 is communicated with the suction port of the first cylinder 20 by the 3rd dividing plate intercommunicating pore.
As shown in Figure 17 to Figure 21,3rd cylinder 40 has first intermediate flow channel 42 of isolating with the compression chamber of the 3rd cylinder 40, second cylinder 30 also has second intermediate flow channel 32 of isolating with the compression chamber of the second cylinder 30, second intermediate flow channel 32 is communicated with the first diaphragm cavity 71, compressor also comprises second partition 80 and the first flange 90, second partition 80 is arranged between the second cylinder 30 and the 3rd cylinder 40, and second partition 80 also has the second partition intercommunicating pore that the first intermediate flow channel 42 of the 3rd cylinder 40 is communicated with the second intermediate flow channel 32 of the second cylinder 30; First flange 90 is arranged on the side away from the second cylinder 30 of the 3rd cylinder 40, and the first flange 90 has the first flange cavity 91, first flange cavity 91 and is all communicated with the first intermediate flow channel 42 with the relief opening of the 3rd cylinder 40.
Wherein, the first dividing plate 70, the 3rd dividing plate 16 and the second cylinder 30 make the first diaphragm cavity 71 form the refrigeration agent receiving cavity of the exhaust for holding the second cylinder 30.First flange 90, the 3rd cylinder 40, first flange plate 92 make the first flange cavity 91 form discharge refrigerant receiving cavity for holding the 3rd cylinder 40.
When compressor is in part operating mode, the suction port of the second cylinder 30, the relief opening of the second cylinder 30, the first diaphragm cavity 71, the 3rd dividing plate intercommunicating pore, the suction port of the first cylinder 20, the relief opening of the first cylinder 20 are communicated with in turn.Now, second switch valve 514 cuts out, the first switch valve 512 conducting, compressor operating small displacement large volume ratio twin-tub Bi-level mode.The refrigerant gas supplied by liquor separator 800 is sent in the second cylinder 30, refrigerant gas after first time compression is expelled in the first diaphragm cavity 71, and jointly send in the first cylinder 20 with by increasing the gas that enthalpy parts 100 side fills into carry out secondary compression, then the upper space of housing 11 is discharged to, outlet pipe again through cover assembly 12 is discharged, and so far compressor completes the whole compressor process of refrigeration agent.
When compressor is in row mode for the national games, the suction port of the second cylinder 30, the relief opening of the second cylinder 30, the suction port of the first diaphragm cavity 71, first cylinder 20, the relief opening of the first cylinder 20 are communicated with in turn, and the suction port of the 3rd cylinder 40 is communicated with the first diaphragm cavity 71 with the second intermediate flow channel 32 by the relief opening of the 3rd cylinder 40, the first flange cavity 91, first intermediate flow channel 42, second partition intercommunicating pore.Now, second switch valve 514 conducting, the first switch valve 512 cuts out, compressor operating huge discharge little volume ratio three cylinder Bi-level mode.The refrigerant gas supplied by liquor separator 800 is sent in the second cylinder 30, and the refrigerant gas after first time compression is expelled in the first diaphragm cavity 71; Simultaneously, the refrigeration agent having liquor separator 800 to supply is sent in the 3rd cylinder 40 simultaneously, the refrigerant gas that refrigerant gas after first time compression is expelled in the first flange cavity 91, first flange cavity 91 is sent in the first diaphragm cavity 71 through the first flange 90, second partition 80; Now, gas in first diaphragm cavity 71 and the gas filled into by increasing enthalpy parts 100 side are sent in the first cylinder 20 jointly to carry out secondary compression, then the upper space of housing 11 is discharged to, outlet pipe again through cover assembly 12 is discharged, and so far compressor completes the whole compressor process of refrigeration agent.
It should be noted that used term is only to describe embodiment here, and be not intended to the illustrative embodiments of restricted root according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to comprise plural form, in addition, it is to be further understood that, " comprise " when using term in this manual and/or " comprising " time, it indicates existing characteristics, step, work, device, assembly and/or their combination.
It should be noted that, term " first ", " second " etc. in the specification of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as the mode of execution of the application described herein can with except here diagram or describe those except order implement.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (14)
1. a compressor, the first cylinder (20) comprising bent axle (10) and be arranged in order along the axis of described bent axle (10), second cylinder (30) and the 3rd cylinder (40), described first cylinder (20) is high pressure stage cylinder, described second cylinder (30) and described 3rd cylinder (40) are low pressure stage cylinder, it is characterized in that, described compressor also comprises transfiguration switching mechanism (50), described transfiguration switching mechanism (50) controls described 3rd cylinder (40) unloading or loads, described compressor has row mode for the national games and part operating mode,
When described compressor is in described row mode for the national games, described transfiguration switching mechanism (50) makes described 3rd cylinder (40) load under the effect of the exhaust pressure of described compressor;
When described compressor is in described part operating mode, described transfiguration switching mechanism (50) makes described 3rd cylinder (40) unloading under the effect of the suction pressure of described compressor.
2. compressor according to claim 1, is characterized in that, described transfiguration switching mechanism (50) comprising:
Pressure control portion, described pressure control portion optionally with the relief opening of described compressor or the suction port conducting of described compressor;
Locking body (52), described pressure control portion controls the matching relationship of the slide plate (41) of described locking body (52) and described 3rd cylinder (40), when the suction port conducting of described pressure control portion and described compressor, described locking body (52) unloads to make described 3rd cylinder (40) with slide plate (41) locking of described 3rd cylinder (40), when the relief opening conducting of described pressure control portion and described compressor, with the slide plate (41) of described 3rd cylinder (40), described locking body (52) unlocks that described 3rd cylinder (40) is loaded.
3. compressor according to claim 2, it is characterized in that, described transfiguration switching mechanism (50) also comprises elastic reset member (53), first end and the described slide plate (41) of described locking body (52) unlock or locking, described elastic reset member (53) is arranged on second end relative with described first end of described locking body (52), and described pressure control portion controls the pressure of the first end of described locking body (52).
4. compressor according to claim 3, it is characterized in that, described transfiguration switching mechanism (50) also comprises voltage stabilizing branch road (54), the first end of described voltage stabilizing branch road (54) is communicated with the suction port of described compressor, and the second end of described voltage stabilizing branch road (54) is that the second end of described locking body (52) provides pressure.
5. compressor according to claim 3, is characterized in that, described pressure control portion comprises:
First branch road (511), the first end of described first branch road (511) is communicated with the suction port of described compressor, and the second end of described first branch road (511) controls the pressure of the first end of described locking body (52);
For controlling first switch valve (512) of described first branch road (511) break-make, described first switch valve (512) is arranged on described first branch road (511);
Second branch road (513), the first end of described second branch road (513) is communicated with the relief opening of described compressor, and the second end of described second branch road (513) controls the pressure of the first end of described locking body (52);
For controlling the second switch valve (514) of described second branch road (513) break-make, described second switch valve (514) is arranged on described second branch road (513).
6. compressor according to any one of claim 1 to 5, it is characterized in that, described compressor also comprises mixer (60), first suction port (61) of described mixer (60) is communicated with the relief opening of described second cylinder (30), the mixer relief opening (62) of described mixer (60) is communicated with the suction port of described first cylinder (20), and second suction port (63) of described mixer (60) is gas supplementing opening.
7. compressor according to claim 6, it is characterized in that, described compressor also comprises the first dividing plate (70), and described first dividing plate (70) is arranged between described second cylinder (30) and described 3rd cylinder (40).
8. compressor according to claim 7, it is characterized in that, described first dividing plate (70) has the first diaphragm cavity (71) be communicated with the relief opening of described second cylinder (30), described second cylinder (30) also has the ft connection mouth (31) be communicated with described first diaphragm cavity (71), first suction port (61) of described mixer (60) is communicated with described first diaphragm cavity (71) by described ft connection mouth (31), when described compressor is in part operating mode, the suction port of described second cylinder (30), the relief opening of described second cylinder (30), described first diaphragm cavity (71), the ft connection mouth (31) of described second cylinder (30), described mixer (60), the suction port of described first cylinder (20), the relief opening of described first cylinder (20) is communicated with in turn.
9. compressor according to claim 8, is characterized in that, described 3rd cylinder (40) has first intermediate flow channel (42) of isolating with the compression chamber of described 3rd cylinder (40), and described compressor also comprises:
Second partition (80), described second partition (80) is arranged between described first dividing plate (70) and described 3rd cylinder (40), and described second partition (80) also has the second partition intercommunicating pore that described first intermediate flow channel (42) of described 3rd cylinder (40) is communicated with described first diaphragm cavity (71);
First flange (90), described first flange (90) is arranged on the side away from described second cylinder (30) of described 3rd cylinder (40), described first flange (90) has the first flange cavity (91), described first flange cavity (91) is all communicated with described first intermediate flow channel (42) with the relief opening of described 3rd cylinder (40), when described compressor is in row mode for the national games, the suction port of described second cylinder (30), the relief opening of described second cylinder (30), described first diaphragm cavity (71), the ft connection mouth (31) of described second cylinder (30), described mixer (60), the suction port of described first cylinder (20), the relief opening of described first cylinder (20) is communicated with in turn, and the suction port of described 3rd cylinder (40) is by the relief opening of described 3rd cylinder (40), described first flange cavity (91), described first intermediate flow channel (42), described second partition intercommunicating pore is communicated with described first diaphragm cavity (71).
10. compressor according to any one of claim 1 to 5, is characterized in that, described compressor also comprises increasing enthalpy parts (100), and described increasing enthalpy parts (100) are communicated with the suction port of described first cylinder (20).
11. compressors according to claim 10, is characterized in that, described compressor also comprises:
First dividing plate (70), described first dividing plate (70) is arranged between described second cylinder (30) and described first cylinder (20);
3rd dividing plate (16), described 3rd dividing plate (16) is arranged between described first cylinder (20) and described first dividing plate (70).
12. compressors according to claim 11, it is characterized in that, described 3rd dividing plate (16) has the 3rd dividing plate intercommunicating pore, described first dividing plate (70) has the first diaphragm cavity (71) be communicated with the relief opening of described second cylinder (30), and described first diaphragm cavity (71) is communicated with the suction port of the first cylinder (20) by described 3rd dividing plate intercommunicating pore, when described compressor is in part operating mode, the suction port of described second cylinder (30), the relief opening of described second cylinder (30), described first diaphragm cavity (71), described 3rd dividing plate intercommunicating pore, the suction port of described first cylinder (20), the relief opening of described first cylinder (20) is communicated with in turn.
13. compressors according to claim 12, it is characterized in that, described 3rd cylinder (40) has first intermediate flow channel (42) of isolating with the compression chamber of described 3rd cylinder (40), described second cylinder (30) also has second intermediate flow channel (32) of isolating with the compression chamber of described second cylinder (30), described second intermediate flow channel (32) is communicated with described first diaphragm cavity (71), and described compressor also comprises:
Second partition (80), described second partition (80) is arranged between described second cylinder (30) and described 3rd cylinder (40), and described second partition (80) also has the second partition intercommunicating pore that described first intermediate flow channel (42) of described 3rd cylinder (40) is communicated with second intermediate flow channel (32) of described second cylinder (30);
First flange (90), described first flange (90) is arranged on the side away from described second cylinder (30) of described 3rd cylinder (40), described first flange (90) has the first flange cavity (91), described first flange cavity (91) is all communicated with described first intermediate flow channel (42) with the relief opening of described 3rd cylinder (40), when described compressor is in row mode for the national games, the suction port of described second cylinder (30), the relief opening of described second cylinder (30), described first diaphragm cavity (71), the suction port of described first cylinder (20), the relief opening of described first cylinder (20) is communicated with in turn, and the suction port of described 3rd cylinder (40) is by the relief opening of described 3rd cylinder (40), described first flange cavity (91), described first intermediate flow channel (42), described second partition intercommunicating pore is communicated with described first diaphragm cavity (71) with described second intermediate flow channel (32).
14. 1 kinds of heat-exchange systems, comprise compressor, it is characterized in that, described compressor is the compressor according to any one of claim 1 to 13.
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| CN201520597536.6U CN204851640U (en) | 2015-08-10 | 2015-08-10 | Compressor and heat transfer system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520597536.6U CN204851640U (en) | 2015-08-10 | 2015-08-10 | Compressor and heat transfer system |
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| CN204851640U true CN204851640U (en) | 2015-12-09 |
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| CN201520597536.6U Expired - Fee Related CN204851640U (en) | 2015-08-10 | 2015-08-10 | Compressor and heat transfer system |
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