CN204239265U - Multi-cylinder rotary compressor assembly - Google Patents
Multi-cylinder rotary compressor assembly Download PDFInfo
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- CN204239265U CN204239265U CN201420587481.6U CN201420587481U CN204239265U CN 204239265 U CN204239265 U CN 204239265U CN 201420587481 U CN201420587481 U CN 201420587481U CN 204239265 U CN204239265 U CN 204239265U
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Abstract
The utility model discloses a kind of multi-cylinder rotary compressor assembly, comprise: compressor, liquid-storage container and at least one suction conduit assembly, compressor comprises cylinder assembly, cylinder assembly comprises at least two cylinders, dividing plate is provided with between two often adjacent cylinders, liquid-storage container is located at outside compressor, liquid-storage container has housing, one end of each suction conduit assembly to be stretched in housing and is communicated with enclosure interior, the other end of suction conduit assembly is located on cylinder assembly, there are in suction conduit assembly at least two air intake passages independent of each other, at least two air intake passages are communicated with the compression chamber of at least two cylinders respectively.According to multi-cylinder rotary compressor assembly of the present utility model, by adopt independently air intake passage to the independent air feed of cylinder, thus solve mutually collaborating and interference problem between cylinder, and simultaneously at least two cylinder air feed, thus the resistance to pressure of compressor housing and liquid-storage container housing can be improve due to each suction conduit assembly.
Description
Technical field
The utility model relates to art of refrigeration units, especially relates to a kind of multi-cylinder rotary compressor assembly.
Background technique
Point out in correlation technique, multi-cylinder rotary compressor contains electric element (such as motor) and comprises multiple rotary compression elements of multiple cylinder in seal container, electric element and multiple rotary compression element is connected with the bent axle with eccentric part, the liquid-storage container of multicylinder compressor has many steam outlet pipes, and each steam outlet pipe is connected with the air intake structure of each cylinder to make respective cylinder carry out air-breathing work respectively.
Like this, the multicylinder compressor with multiple cylinder just needs the multiple steam outlet pipes identical with number of cylinders, and liquid-storage container housing and multiple holes compressor housing all needing offer for being connected multiple steam outlet pipe, thus improve the manufacture difficulty of liquid-storage container housing and compressor housing, and add the assembly complexity of liquid-storage container and compressor, and cost is high, make the rate that rolls off the production line high.
But, along with the requirement of compressor high performance and flattening design improves, the hole pitch that compressor housing and liquid-storage container housing are offered is all closer, thus make the compressive strength at punch position place on compressor housing and liquid-storage container housing inadequate, the risk of breaking under there is high pressure working environment, if but only adopt a steam outlet pipe simultaneously to multiple cylinder air feed, adjacent cylinder then can be caused mutually to collaborate, the problem of mutual air-breathing, make the gettering quantity of cylinder not enough, volumetric efficiency declines, ability decays, especially for frequency-changeable compressor, this problem is more outstanding.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model is to propose a kind of multi-cylinder rotary compressor assembly, described multi-cylinder rotary compressor assembly can to each cylinder air feed independently, make two adjacent cylinders mutually can not collaborate when air-breathing, mutually disturb, and the resistance to pressure of compressor housing and liquid-storage container housing is strong.
According to multi-cylinder rotary compressor assembly of the present utility model, comprising: compressor, described compressor comprises cylinder assembly, and described cylinder assembly comprises at least two cylinders, and each described cylinder has compression chamber, is provided with dividing plate between two often adjacent described cylinders; Liquid-storage container, described liquid-storage container is located at outside described compressor, and described liquid-storage container has housing; And at least one suction conduit assembly, one end of each described suction conduit assembly to be stretched in described housing and is communicated with described enclosure interior, the other end of described suction conduit assembly is located on described cylinder assembly, have at least two air intake passages independent of each other in described suction conduit assembly, the described compression chamber of described at least two air intake passages cylinder described with at least two is respectively communicated with.
According to multi-cylinder rotary compressor assembly of the present utility model, by adopt independently air intake passage to the independent air feed of cylinder, thus solve mutually collaborating and interference problem between cylinder, and due to each suction conduit assembly can simultaneously at least two cylinder air feed, thus improve the resistance to pressure of compressor housing and liquid-storage container housing, ensure the ability to work of compressor under high frequency environment.
Particularly, the described the other end of described suction conduit assembly is located on described dividing plate, have two air intake passages independent of each other in described suction conduit assembly, the described compression chamber of two described cylinders that described two air intake passages are adjacent with corresponding described dividing plate is respectively communicated with.
Further, each described suction conduit assembly comprises the first sucking pipe and the second sucking pipe that are connected with each other vertically, described first sucking pipe stretch in described dividing plate at least partly, have described two air intake passages in described first sucking pipe, the free end of described second sucking pipe stretches in described housing.
Alternatively, the first demarcation strip is provided with in described first sucking pipe so that the inner chamber of described first sucking pipe is divided into described two air intake passages.
Particularly, described first demarcation strip extends along the axis of described first sucking pipe.
Further, be provided with the second divider in described second sucking pipe so that the inner chamber of described second sucking pipe is divided into two the second air intake passages, described two the second air intake passages are communicated with described two air intake passages respectively.
Alternatively, described second divider is demarcation strip, and described demarcation strip extends along the axis of described second sucking pipe.
Particularly, the length of described second divider is less than or equal to the length of described second sucking pipe.
Alternatively, described second divider comprises two sub-sucking pipes, limits two described second air intake passages in two described sub-sucking pipes.
Particularly, the shape of cross section of each described sub-sucking pipe is circular, ellipse, long-round-shape or polygonal.
Alternatively, described two sub-sucking pipes are one-body molded.
Particularly, described second sucking pipe comprises the first pipeline section and two the second pipeline sections, described two the second pipeline sections are connected with described first pipeline section, and described two the second pipeline sections are all positioned at described housing, and described first pipeline section is positioned at outside described housing and one end and is connected with described first sucking pipe.
Further, described first pipeline section is two, and described two the first pipeline sections are connected with described two the second pipeline sections respectively.
Alternatively, described two the second pipeline sections are spaced apart from each other or contact with each other.
Particularly, described first sucking pipe and described second sucking pipe one-body molded.
Alternatively, described suction conduit assembly is that multiple and described multiple suction conduit assembly is spaced apart from each other setting.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the multi-cylinder rotary compressor assembly according to the utility model embodiment;
Fig. 2 is the partial schematic diagram of the multi-cylinder rotary compressor assembly shown in Fig. 1;
Fig. 3 is the schematic diagram of the dividing plate shown in Fig. 2, suction conduit assembly and liquid-storage container;
Fig. 4 is the schematic diagram of the dividing plate shown in Fig. 3 and the first sucking pipe;
Fig. 5 is the explosive view of the dividing plate shown in Fig. 4 and the first sucking pipe;
Fig. 6 is the schematic diagram of the first sucking pipe shown in Fig. 5;
Fig. 7 is the schematic diagram of the first sucking pipe according to the utility model embodiment;
Fig. 8 is the schematic diagram of suction conduit assembly according to the utility model embodiment and liquid-storage container;
Fig. 9 is the schematic diagram of suction conduit assembly according to the utility model embodiment and liquid-storage container;
Figure 10-Figure 14 is the sectional view of the suction conduit assembly according to the multiple embodiment of the utility model;
Figure 15-Figure 17 is the schematic diagram of suction conduit assembly according to the multiple embodiment of the utility model and liquid-storage container;
Figure 18 and Figure 19 is the schematic diagram of multiple suction conduit assembly according to the multiple embodiment of the utility model and liquid-storage container.
Reference character:
100: multi-cylinder rotary compressor assembly;
1: compressor;
10: compressor housing; 110: upper shell; 120: main casing; 130: lower shell body;
20: motor; 210: rotor; 220: stator;
30: compressing mechanism; 310: main bearing; 320: supplementary bearing; 330: bent axle; 340: cylinder assembly;
3410: the first cylinders; 3420: the second cylinders; 3430: dividing plate;
2: liquid-storage container; 21: liquid-storage container housing;
3: suction conduit assembly; 301: one suction conduit assemblies; 302: two suction conduit assemblies;
31: the first sucking pipes;
Connect pipeline section at 312: the first; Connect pipeline section at 311: the second; 313: the first demarcation strips; 314: baffle plate;
32: the second sucking pipes; 321: the first pipeline sections; 322: the second pipeline sections;
323: the second dividers; 3231: demarcation strip; 3232: sub-sucking pipe.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
Below with reference to Fig. 1-Figure 19, the multi-cylinder rotary compressor assembly 100 according to the utility model embodiment is described.
As shown in Figure 1, according to the multi-cylinder rotary compressor assembly 100 of the utility model embodiment, comprising: compressor 1, liquid-storage container 2 to and a few suction conduit assembly 3.
Particularly, as shown in Figure 1, compressor 1 comprises compressor housing 10, motor 20 and compressing mechanism 30, wherein, compressor housing 10 can comprise the upper shell 110 be from up to down connected in turn, main casing 120 and lower shell body 130, and upper shell 110, main casing 120 and lower shell body 130 limit receiving cavity jointly, motor 20 is located at the top in receiving cavity, and motor 20 can comprise rotor 210 and stator 220, stator 220 can be fixed on the internal face of compressor housing 10, rotor 210 is located at the inner side of stator 220 rotationally, compressing mechanism 30 can comprise cylinder assembly 340, main bearing 310, supplementary bearing 320 and bent axle 330, wherein, main bearing 310 and supplementary bearing 320 are separately fixed at the both sides up and down of cylinder assembly 340, the top of bent axle 330 can be fixed together with rotor 210 hot jacket of motor 20, thus rotor 210 can be with dynamic crankshaft 330 to rotate, main bearing 310 is run through in bent axle 330 bottom, cylinder assembly 340 and supplementary bearing 320.
Here, it should be noted that, compressor 1 can be vertical compressor can also be horizontal compressor (scheming not shown), wherein, the central axis of the compressor housing 10 of vertical compressor can be generally perpendicular to the arrangement plane (such as horizontal plane) of vertical compressor, and the central axis of the compressor housing of horizontal compressor can be in substantially parallel relationship to the arrangement plane (such as horizontal plane) of horizontal compressor.Be only that vertical compressor is described for example below with compressor, certainly, it will be appreciated by persons skilled in the art that compressor can also be horizontal compressor.
Further, see figures.1.and.2, cylinder assembly 340 comprises at least two cylinders, and each cylinder has compression chamber, is provided with dividing plate 3430 between two often adjacent cylinders.Particularly, when cylinder is only two, a dividing plate between two cylinders, can be provided with, now compressor is duplex cylinder compressor, when cylinder is three, can be respectively equipped with a dividing plate between every two cylinders, now multicylinder compressor is three cylinder compressors, and the rest may be inferred.
As shown in Figure 1, liquid-storage container 2 is located at outside compressor 1, liquid-storage container 2 is communicated with by least one suction conduit assembly 3 with compressor 1, particularly, liquid-storage container 2 can comprise: housing (hereafter claiming liquid-storage container housing 21) and oil gas separator, the refrigerant mixture entered in (such as entering from liquid-storage container housing 21 top) liquid-storage container housing 21 can be separated by oil gas separator, gaseous coolant after separation can pass in cylinder assembly 340 by least one suction conduit assembly 3, compresses for compressing mechanism 30.It should be noted that, above-mentioned gaseous coolant should make broad understanding, such as, can be understood as purer gaseous coolant, can certainly be the gaseous coolant containing minute quantity lubricant oil and liquid refrigerants.Wherein, with reference to Figure 18 and Figure 19, when cylinder assembly 340 comprises two or more cylinder, liquid-storage container 2 can be communicated with by multiple suction conduit assembly 3 with compressor 1.Wherein, suction conduit assembly 3 can be made up of materials such as copper, aluminium, steel.
Particularly, one end (right-hand member such as shown in Fig. 1) of each suction conduit assembly 3 to be stretched in liquid-storage container housing 21 and is communicated with liquid-storage container housing 21 inside, the other end (left end such as shown in Fig. 1) of each suction conduit assembly 3 to stretch in compressor housing 10 and is connected with cylinder assembly 340, the other end of such as suction conduit assembly 3 can be located on dividing plate or on cylinder, there are in suction conduit assembly 3 at least two air intake passage D independent of each other, and at least two air intake passage D are communicated with the compression chamber of at least two cylinders respectively.
That is, any two air intake passage D respectively independent of one another, do not collaborate mutually, each independently air intake passage D is only communicated to the compression chamber of a cylinder, thus the refrigerant of liquid-storage container housing 21 inside can be delivered in the compression chamber of cylinder assembly 340 by suction conduit assembly 3 independently.Thus, avoid employing air intake passage simultaneously to collaborating during two or more cylinder air feed, interference problem, thus ensure that the gettering quantity of each cylinder is sufficient, ensure the volumetric efficiency of each cylinder, ensure air-breathing and the compressed capability of compressor.
Thus, jumbo multi-cylinder rotary compressor 1 adopts suction conduit assembly 3 can solve the problem of compressor 1 high frequency running ability decay, and the problem that the compressive strength that can solve compressor housing 10 is inadequate, the air suction structure complexity, the assembling that solve multi-cylinder rotary compressor 1 difficult simultaneously, weld the high series of problems of rate that rolls off the production line, the fabricating cost of multi-cylinder rotary compressor 1 can also be reduced simultaneously, improve compressor 1 ability and performance.According to the multi-cylinder rotary compressor assembly 100 of the utility model embodiment, by adopt independently air intake passage to the independent air feed of cylinder, thus solve mutually collaborating and interference problem between cylinder, and by means of only a suction conduit assembly 3 simultaneously at least two cylinder air feed, thus the resistance to pressure of compressor housing 10 and liquid-storage container 21 housing can be improved.
Particularly, see figures.1.and.2, one end (left end such as shown in Fig. 1) stretching into compressor housing 10 of suction conduit assembly 3 is located on dividing plate 3430, there are in suction conduit assembly 3 two air intake passage D independent of each other, the compression chamber of two cylinders that two air intake passage D are adjacent with corresponding dividing plate 3430 is respectively communicated with, thus the compression chamber of two cylinders adjacent with this dividing plate 3430 can air-breathing separately, air-breathing can not interfere with each other, crossfire, thus ensures gettering quantity.
When compressor is duplex cylinder compressor, as shown in Figure 2, cylinder assembly 340 comprises the first cylinder 3410, second cylinder 3420 and dividing plate 3430, wherein the first cylinder 3410 is located at the upside of dividing plate 3430, second cylinder 3420 is located at the downside of dividing plate 3430, main bearing 310 is located at the side away from dividing plate 3430 of the first cylinder 3410, such as be located at the top of the first cylinder 3410, supplementary bearing 320 is located at the side away from dividing plate 3430 of the second cylinder 3420, such as be located at the bottom of the second cylinder 3420, dividing plate 3430, first cylinder 3410 and main bearing 310 limit the first compression chamber jointly, dividing plate 3430, second cylinder 3420 and supplementary bearing 320 limit the second compression chamber jointly.
With reference to Fig. 5, dividing plate 3430 is formed with intakeport B, intakeport B is recessed towards the central axial direction of dividing plate 3430 from the periphery wall of dividing plate 3430, the top of intakeport B is formed with the first air supply opening B1 running through dividing plate 3430 upper-end surface, first air supply opening B1 is connected with intakeport B, the bottom of intakeport B is formed with the second air supply opening B2 running through dividing plate 3430 lower end surface, and the second air supply opening B2 is connected with intakeport B.Here, it should be noted that, the arrow shown in Fig. 1-Figure 19 is used to indicate the flow direction of refrigerant.
Further, with reference to Fig. 2, first cylinder 3410 is formed with the first intakeport A1, first intakeport A1 can be tilted to the first cylinder 3410 central direction from the lower end surface of the first cylinder 3410 is recessed into, and the first intakeport A1 is connected with the first compression chamber, second cylinder 3420 is formed with the second intakeport A2, second intakeport A2 can be tilted to second partition 3430 central direction from the upper-end surface of the second cylinder 3420 is recessed into, and the second intakeport A2 is connected with the second compression chamber, when dividing plate 3430 and the first cylinder 3410, after second cylinder 3420 is seated respectively, the two ends of the first air supply opening B1 are communicated with the first intakeport A1 and intakeport B respectively, the two ends of the second air supply opening B2 are communicated with the second intakeport A2 and intakeport B respectively, thus intakeport B is communicated to the first compression chamber and the second compression chamber respectively.
Further, with reference to Fig. 2 and Fig. 3, there are in suction conduit assembly 3 two air intake passage D independent of each other, these two air intake passage D are respectively air intake passage D1 and lower air intake passage D2, the part stretching in intakeport B of suction conduit assembly 3 has the first air outlet C1 and the second air outlet C2, first air outlet C1 is connected with upper air intake passage D1 with the first air supply opening B1 respectively, so that the refrigerant in upper air intake passage D1 is sequentially passed through the first air outlet C1, first air supply opening B1 and the first intakeport A1 feeds in the first compression chamber, second air outlet C2 is connected with lower air intake passage D2 with the second air supply opening B2 respectively, so that the refrigerant in lower air intake passage D2 is sequentially passed through the second air outlet C2, second air supply opening B2 and the second intakeport A2 feeds in the second compression chamber.Thus, upper air intake passage D1 can independently to the first compression chamber supply refrigerant, and lower air intake passage D2 can independently to the second compression chamber supply refrigerant.Wherein, the first sucking pipe 31 can interference fit be connected with intakeport B.
Certainly, the utility model is not limited thereto, (can also be located on the first cylinder or the second cylinder (schemes not shown) in one end stretching into compressor housing of suction conduit assembly, when the left end of suction conduit assembly is located on the first cylinder, first cylinder can be formed with cylinder intakeport, the inner of cylinder intakeport is connected with the first compression chamber, dividing plate can have the circulation passage that top and bottom are opened wide respectively, the diapire of cylinder intakeport is connected with circulation passage open top, the bottom opening of circulation passage is connected with the second compression chamber, the left end of suction conduit assembly stretches in cylinder intakeport through after compressor housing, first air outlet of now going up air intake passage can be connected with the first compression chamber, second air outlet of lower air intake passage can be connected with the second compression chamber, thus the effect of suction conduit assembly to the first cylinder and the second cylinder independent gas supply can be realized equally.
In addition, one end stretching into compressor housing of suction conduit assembly can also be located on the second cylinder (schemes not shown), and the method that its setting method and suction conduit assembly are located on the first cylinder is similar, no longer describes in detail here.Only be located on dividing plate 3430 for one end stretching into compressor housing 10 of suction conduit assembly 3 below and be described.
In an embodiment of the present utility model, with reference to Fig. 2 and Fig. 3, each suction conduit assembly 3 comprises the first sucking pipe 31 and the second sucking pipe 32 be connected with each other vertically, first sucking pipe 31 stretch in dividing plate 3430 at least partly, there are in first sucking pipe 31 two air intake passage D, upper air intake passage D1 such as mentioned above and lower air intake passage D2, the free end (right-hand member such as shown in Fig. 1) of the second sucking pipe 32 stretches in liquid-storage container housing 21.Wherein, first sucking pipe 31 can one-body molded with the second sucking pipe 32 (as shown in Figure 8), first sucking pipe 31 can also be assembled together with the second sucking pipe 32, one end of such as the second sucking pipe 32 can inserting in the first sucking pipe 31 (as shown in Figure 3).
Particularly, the first demarcation strip 313 can be provided with so that the inner chamber of the first sucking pipe 31 is divided into two air intake passage D, upper air intake passage D1 such as mentioned above and lower air intake passage D2 in the first sucking pipe 31.With reference to Fig. 4-and Fig. 5, first sucking pipe 31 general horizontal is arranged, and the inner of the first sucking pipe 31 is stretched in the intakeport mouth B of dividing plate 3430, the outer end of the first sucking pipe 31 is emerging in outside dividing plate 3430, wherein, the part stretched in dividing plate 3430 of the first sucking pipe 31 is the first connection pipeline section 312, the part be emerging in outside dividing plate 3430 of the first sucking pipe 31 is the second connection pipeline section 311, wherein the first connection pipeline section 312 is connected with second the pipe that pipeline section 311 is configured to hollow respectively, first connection pipeline section 312 is connected pipeline section 311 with second and coaxially arranges, and second the inner connecting pipeline section 311 is connected pipeline section 312 outer end with first is docked, along the first sucking pipe 31 axis from inside to outside, first cross-section area connecting pipeline section 312 increases gradually, second to connect the cross-section area of pipeline section 311 equal everywhere and be greater than the maximum cross-section area of the first connection pipeline section 312.Wherein, " interior " can be understood as the direction towards compressor housing 10 central axis, and its opposite direction is defined as " outward ", namely away from the direction of compressor housing 10 central axis.
Wherein, with reference to Fig. 6, first demarcation strip 313 can extend along the axis of the first sucking pipe 31 and be configured to horizontally disposed flat board, and the first demarcation strip 313 can all be arranged in the first connection pipeline section 312, the two ends of the first demarcation strip 313 are only against the both sides on the first connection pipeline section 312 inner circle wall respectively, thus the first connection pipeline section 312 is separated into the substantially equal two-part up and down of volume by the first demarcation strip 313, and upper and lower two-part cross section is all configured to semicircle, wherein top is divided into air intake passage D1, bottom is divided into lower air intake passage D2, first air outlet C1 runs through the roof of the first connection pipeline section 312 along the vertical direction, second air outlet C2 runs through the diapire of the first connection pipeline section 312 along the vertical direction, thus the first air outlet C1 is connected with upper air intake passage D1, second air outlet C2 is connected with lower air intake passage D2.Certainly, the utility model is not limited thereto, and structure and the setting position of the first demarcation strip 313 can also be arranged according to actual requirement, to meet actual requirement better.
Further, with reference to Fig. 7 and Fig. 8, the inner of first sucking pipe 31 can be provided with baffle plate 314, and the inner of the first sucking pipe 31 can seal by baffle plate 314 completely, thus the refrigerant in upper air intake passage D1 only can flow out from the first air outlet C1, refrigerant in lower air intake passage D2 only can flow out from the second air outlet C2, can ensure air feed effect thus further, avoid the problem of collaborating.
Further, with reference to Fig. 3, Fig. 8, Figure 15-Figure 19, second sucking pipe 32 can comprise the first pipeline section 321 and the second pipeline section 322 be connected along the second sucking pipe 32 axial direction, second pipeline section 322 is positioned at liquid-storage container housing 21, first pipeline section 321 is positioned at outside liquid-storage container housing 21, one end of first pipeline section 321 is connected with the first sucking pipe 31, such as, second pipeline section 322 can one-body molded with the first sucking pipe 31 (as shown in Figure 8), first pipeline section 321 can also be assembled together (as shown in Figures 2 and 3) by the first sucking pipe 31, the other end of the second pipeline section 322 is connected with the first pipeline section 321, such as, first pipeline section 321 can one-body molded with the second pipeline section 322 (as shown in Figure 15-Figure 17), first pipeline section 321 can also be assembled together (as shown in Figure 18 and Figure 19) with the second pipeline section 322.
Particularly, with reference to Figure 15, first pipeline section 321 and the second pipeline section 322 one-body molded, second pipeline section 322 can vertically extend, and being arranged in liquid-storage container housing 21 vertically, the lower end surface of the second pipeline section 322 is through liquid-storage container housing 21, and the lower end surface of the second pipeline section 322 can be concordant with the lower end surface of liquid-storage container housing 21, one end of first pipeline section 321 is connected with the lower end of the second pipeline section 322, and the other end of the first pipeline section 321 is connected with the outer end of the first sucking pipe 31.
Particularly, with reference to Figure 18, the first pipeline section 321 is not one-body molded with the second pipeline section 322, and one end of the second pipeline section 322 can be stretched into and be engaged in the lower end of the first pipeline section 321.
Particularly, with reference to Fig. 3, the first sucking pipe 31 is not integrally formed with the second sucking pipe 32, and the other end of the second pipeline section 322 can stretch into and be engaged in second of the first sucking pipe 31 and connect in pipeline section 311.
Thus, with reference to Fig. 1 and Figure 18, compressor housing 10 can be formed with one first perforation, liquid-storage container housing 21 can be formed with one second perforation, first sucking pipe 31 is bored a hole through first and is engaged in the first perforation, second sucking pipe 32 is bored a hole through second and is engaged in the second perforation, preferably, second periphery wall connecting pipeline section 311 of the first sucking pipe 31 coordinates with the first inner circle wall of boring a hole and is connected, and the periphery wall of the first pipeline section 321 of the second sucking pipe 32 coordinates with biperforate inner circle wall and is connected.Thus, effectively can reduce the quantity of the first perforation that compressor housing 10 is offered, thus improve intensity and the resistance to pressure of compressor housing 10, and can effectively reduce biperforate quantity that liquid-storage container housing 21 is offered, thus improve intensity and the resistance to pressure of liquid-storage container housing 21 simultaneously.
Particularly, second sucking pipe 32 can comprise two the second air intake passages, two the second air intake passages are connected with two air intake passage D in the first sucking pipe 31 respectively, namely two the second air intake passages are connected with lower air intake passage D2 with upper air intake passage D1 respectively, and wherein two the second air intake passages can be positioned at the first pipeline section 321 and/or the second pipeline section 322 place.
With reference to Figure 19, when two the second air intake passages are only positioned at the second pipeline section 322 place, first pipeline section 321 can be the pipeline of complete hollow, after the second sucking pipe 32 to coordinate with the first sucking pipe 31 and puts in place, two the second air intake passage E1 with E2 in second pipeline section 322 are corresponding with two air intake passage D1 with D2 in the first sucking pipe 31 to be respectively connected, first refrigerant now in liquid-storage container 2 converges after entering the second sucking pipe 32 in the first pipeline section 321, then stream is punished at the second air intake passage E1 and E2 of the second pipeline section 322, refrigerant after shunting separately enters in two air intake passage D1 and D2 in the first sucking pipe 31.
Particularly, with reference to Figure 19, second pipeline section 322 can be one or two, when the second pipeline section 322 is one, the first separation structure (such as the second divider 323) hereinafter described can be provided with in second pipeline section 322, so that two the second air intake passage E1 and E2 will be marked off in the second pipeline section 322, when the second pipeline section 322 is two, second air intake passage is limited respectively in each second pipeline section 322, the intermediate portion of two the second pipeline sections 322 can be spaced apart or contact with each other, but the two ends of two the second pipeline sections 322 are corresponding to be respectively connected, to ensure that one end of two the second pipeline sections 322 can coordinate with the first pipeline section 321 and be engaged in the second perforation place, and ensure that the other end of two the second pipeline sections 322 can be connected pipeline section 311 and coordinates and be engaged in the first perforation place with second simultaneously.
With reference to Figure 17, when two the second air intake passages are only positioned at the first pipeline section 321 place, second pipeline section 322 can be the pipeline of complete hollow, two second air intake passage E1 and E2 of refrigerant now in liquid-storage container 2 first at the first pipeline section 321 after entering the second sucking pipe 32 punish stream, then converge in the second pipeline section 322 (the passage E such as shown in Figure 17), when the air intake passage D1 after refrigerant enters the first sucking pipe 31 again in the first sucking pipe 31 and D2 place realize shunting.
Particularly, with reference to Figure 17, first pipeline section 321 can be one or two, when the first pipeline section 321 is one, the second separation structure (such as the second divider 323) hereinafter described can be provided with in first pipeline section 321, so that two the second air intake passage E1 and E2 will be marked off in the first pipeline section 321, when the second pipeline section 322 is two, second air intake passage is limited respectively in each first pipeline section 321, the upper portion of two the first pipeline sections 321 can be spaced apart or contact with each other, but the lower end in contact of two the first pipeline sections 321 is connected, to ensure that the lower end of two the first pipeline sections 321 can be engaged in the second perforation place and be connected with the upper end of the second pipeline section 322.
With reference to Figure 15 and Figure 16, when two the second air intake passages be both positioned at the second pipeline section 322 place, when being positioned at again the first pipeline section 321 place, two the second air intake passages in second pipeline section 322 are corresponding with two air intake passage D1 with D2 in the first sucking pipe 31 to be respectively connected, stream is punished at the second air intake passage E1 and E2 of the first pipeline section 321 after refrigerant now in liquid-storage container 2 enters the second sucking pipe 32, refrigerant after shunting continues independently and two the second air intake passage E3 and E4 flowed to accordingly in the second pipeline section 322, and then two air intake passage D1 and D2 separately entered in the first sucking pipe 31.
Particularly, with reference to Figure 15 and Figure 16, second pipeline section 322 and the first pipeline section 321 can be respectively one or two, when the second pipeline section 322 is one, the first separation structure (such as the second divider 323) hereinafter described can be provided with in second pipeline section 322, so that two the second air intake passage E3 and E4 will be marked off in the second pipeline section 322, when the second pipeline section 322 is two, second air intake passage is limited respectively in each second pipeline section 322, the intermediate portion of two the second pipeline sections 322 can be spaced apart or contact with each other, but the two ends of two the second pipeline sections 322 are corresponding to be respectively connected, when the first pipeline section 321 is one, the second separation structure (such as the second divider 323) hereinafter described can be provided with in first pipeline section 321, so that two the second air intake passage E1 and E2 will be marked off in the first pipeline section 321, when the first pipeline section 321 is two, second air intake passage is limited respectively in each first pipeline section 321, the upper portion of two the first pipeline sections 321 can be spaced apart or contact with each other, but the lower end in contact of two the first pipeline sections 321 is connected.
With reference to Fig. 9, when the second pipeline section 322 and the first pipeline section 321 one-body molded time, the second divider 323 can be provided with so that the inner chamber of the second sucking pipe 32 is divided into two the second air intake passages in second sucking pipe 32, two the second air intake passages are communicated with two air intake passage D respectively, wherein, the length of the second divider 323 is less than or equal to the length of the second sucking pipe 32, thus the length of each second air intake passage is less than or equal to the length of the second sucking pipe 32 respectively.Here, it should be noted that, the structure of the first demarcation strip 313 and the second divider 323 specifically can also be arranged according to the quantity of corresponding air intake passage in the first sucking pipe 31 and the second sucking pipe 32, to meet actual requirement better.
Such as in the example of Figure 10, and composition graphs 9, second divider 323 is demarcation strip 3231, demarcation strip 3231 extends along the axis of the second sucking pipe 32, wherein, demarcation strip 3231 can be configured to the axially extended curved plate along the second sucking pipe 32, and the two ends on demarcation strip 3231 length direction can extend to concordant with the two ends of the second sucking pipe 32 respectively, two ends on demarcation strip 3231 width direction only can be against the both sides on the second sucking pipe 32 inner circle wall respectively, thus the second sucking pipe 32 is separated into the substantially equal two-part of volume by demarcation strip 3231, and two-part cross section is all configured to semicircle, these two-part are the second air intake passage, two the second air intake passages are communicated to upper air intake passage D1 in the first sucking pipe 31 and lower air intake passage D2 respectively.
Here, it should be noted that, the shape of demarcation strip 3231, extended length and the position of demarcation strip 3231 in the second sucking pipe 32 can also be arranged according to actual requirement, to meet actual requirement better.Such as demarcation strip 3231 can also be configured to curved plate, and demarcation strip 3231 can extend to mutually concordant with the bottom of liquid-storage container 2 from one end of the contiguous compressor 1 of the second sucking pipe 32.
Certainly, the utility model is not limited thereto, second divider 323 can not also be demarcation strip 3231, such as in the example of Figure 11-Figure 13, second divider 323 comprises in two sub-sucking pipes, 3232, two sub-sucking pipes 3232 and limits two the second air intake passage E, namely limits a second air intake passage E respectively in every sub-sucking pipe 3232, wherein, the shape of cross section of every sub-sucking pipe 3232 is circular, ellipse, long-round-shape or polygonal etc.
Such as in the example of fig. 11, the shape of two sub-sucking pipes 3232, size can be identical respectively, the cross section of the second sucking pipe 32 is formed as circular, the cross section of two sub-sucking pipes 3232 is also all formed as circular, the external diameter sum of two sub-sucking pipes 3232 equals the internal diameter of the second sucking pipe 32, a second air intake passage E is limited respectively in every sub-sucking pipe 3232, preferably, one end of the contiguous compressor of two sub-sucking pipes 3232 is concordant with one end of the contiguous compressor of the second sucking pipe 32 respectively, thus after the second sucking pipe 32 and the first sucking pipe 31 be seated, two the second air intake passage E can be communicated with two air intake passage D in the first sucking pipe 31 respectively.Thus, by adopting, the mode that two sub-sucking pipes 3232 construct the second air intake passage E is set in the second sucking pipe 32, thus the periphery wall ensureing the second sucking pipe 32 is the circle of regular shape, thus the second circular perforation only need be processed on liquid-storage container housing 21, and the endoporus of the first pipeline section 321 of the first sucking pipe 31 is processed as circle, thus, reduce difficulty of processing, and be convenient to assembling.
Such as in the illustration in fig 12, shape, the size of two sub-sucking pipes 3232 can be identical respectively, and the cross section of two sub-sucking pipes 3232 can also be formed as oval, now the cross section of the second sucking pipe 32 still can be formed as circular, the minor axis axial length sum of two sub-sucking pipes 3232 equals the internal diameter of the second sucking pipe 32, thus the area of passage of each second air intake passage E can be increased, improve gettering quantity.
Such as in the example in figure 13, the shape of two sub-sucking pipes 3232, size can be identical respectively, the cross section of two sub-sucking pipes 3232 is formed as oval respectively, now the cross section of the second sucking pipe 32 also can be formed as oval, the minor axis axial length sum of two sub-sucking pipes 3232 equals the minor axis axial length of the second sucking pipe 32, thus the area of passage of each second air intake passage E can be increased, the cross-section area of the second sucking pipe 32 is reduced under the prerequisite ensureing gettering quantity, thus can biperforate cross-section area be reduced, improve the resistance to pressure of liquid-storage container housing 21.
Such as in the example in figure 14, two sub-sucking pipes 3232 can be one-body molded, and such as two sub-sucking pipes 3232 can be integrally extruded, is convenient to processing thus.In addition, the second divider 323 can not also be provided with in second sucking pipe 32, now the second sucking pipe 32 can be integrally extruded to construct two the second air intake passage E, the structure of this second sucking pipe 32 can be identical with the structure of integrated two the sub-sucking pipes 3232 shown in Figure 14, now can to process with the second sucking pipe 32 periphery wall shape suitable second to bore a hole on liquid-storage container housing 21, and the endoporus of the first pipeline section 321 of the first sucking pipe 31 is processed the shape suitable with the second sucking pipe 32 periphery wall.Certainly, the utility model is not limited thereto, structure, shape, the size of the second divider 323, and its axial arranged position in the second sucking pipe 32 can also be arranged according to actual requirement, to meet actual requirement better.
When compressor 1 is multicylinder compressor, suction conduit assembly 3 can be multiple, the setting and multiple suction conduit assembly 3 is spaced apart from each other.Such as when compressor 1 is four cylinder compressor, cylinder assembly 340 can comprise the cylinder, a dividing plate, two cylinders, two dividing plates, three cylinders, three dividing plates and the four-cylinder that are from up to down connected in turn, now suction conduit assembly 3 can be two, be respectively suction conduit assembly 301 and two suction conduit assemblies 302, now the bottom of liquid-storage container housing 21 is formed with perforation and two perforation run through, and the sidewall of compressor housing 10 is formed with three perforation and four perforation run through.
During assembling, one end of one suction conduit assembly 301 is stretched in liquid-storage container housing 21 from a perforation, the other end of one suction conduit assembly 301 is stretched into compressor housing 10 from three perforation and stretches in the intakeport a dividing plate, thus a suction conduit assembly 301 can be distinguished by oneself to a cylinder and two cylinders transmission refrigerant, analogously, one end of two suction conduit assemblies 302 is stretched in liquid-storage container housing 21 from two perforation, the other end of two suction conduit assemblies 302 is stretched into compressor housing 10 from four perforation and stretches in the intakeport three dividing plates, thus two suction conduit assemblies 302 can be distinguished by oneself to three cylinders and four-cylinder transmission refrigerant.
Particularly, air intake passage and once air intake passage can be had on one in one suction conduit assembly 301, after assembling, on one, air intake passage is connected with the compression chamber of a cylinder, and once air intake passage is connected with the compression chamber of two cylinders, analogously, air intake passage and two times air intake passages on two can be had in two suction conduit assemblies 302, after assembling, on two, air intake passage is connected with the compression chamber of three cylinders, and two times air intake passage is connected with the compression chamber of four-cylinder.Thus, a suction conduit assembly 301 and two suction conduit assemblies 302 transmit refrigerant independently respectively to a cylinder, two cylinders, three cylinders, four-cylinder.
Wherein, on one, on air intake passage, once air intake passage, two, the axial length of air intake passage and two times air intake passages can be arranged according to actual requirement, such as in the example of Figure 18, on one, the axial length of air intake passage and once air intake passage can equal the axial length of a suction conduit assembly 301, and on two, the axial length of air intake passage and two times air intake passages can equal the axial length of two suction conduit assemblies 302.
Certainly, the utility model is not limited thereto, such as in the example of Figure 19, on one, the axial length of air intake passage and once air intake passage can be less than the axial length of a suction conduit assembly 301, and air intake passage is concordant with one end of the contiguous compressor 1 of a suction conduit assembly 301 respectively with one end of the once contiguous compressor 1 of air intake passage on one, on two, the axial length of air intake passage and two times air intake passages can be less than the major axis of two suction conduit assemblies 302 to degree, and air intake passage is concordant with one end of the contiguous compressor 1 of two suction conduit assemblies 302 respectively with one end of the contiguous compressor of two times air intake passages on two.
Certainly, the utility model is not limited thereto, when compressor is four cylinder compressor, suction conduit assembly 3 can also be three, be respectively suction conduit assembly 301, two suction conduit assembly 302 and three suction conduit assemblies 3, now the bottom of liquid-storage container housing 21 be formed run through one perforation, two perforation and five perforation, the sidewall of compressor housing 10 is formed run through three perforation, four perforation and six perforation.
During assembling, one end of one suction conduit assembly 301 is stretched in liquid-storage container housing 21 from a perforation, the other end of one suction conduit assembly 301 is stretched into compressor housing 10 from three perforation and stretches in the intakeport a dividing plate, thus a suction conduit assembly 301 can be distinguished by oneself to a cylinder and two cylinders transmission refrigerant, analogously, one end of two suction conduit assemblies 302 is stretched in liquid-storage container housing 21 from two perforation, the other end of two suction conduit assemblies 302 is stretched into compressor housing 10 from four perforation and stretches in the intakeport three dividing plates, thus two suction conduit assemblies 302 can be distinguished by oneself to three cylinders and four-cylinder transmission refrigerant, further, one end of three suction conduit assemblies is stretched in liquid-storage container housing 21 from five perforation, the other end of three suction conduit assemblies is stretched into compressor housing 10 from six perforation and stretches in the intakeport two dividing plates.
Thus three suction conduit assemblies can be distinguished by oneself to two cylinders and three cylinders transmission refrigerant.Now, two cylinders receive the refrigerant of a suction conduit assembly 301 and the conveying of three suction conduit assemblies simultaneously, and three cylinders receive the refrigerant of two suction conduit assemblies 302 and the conveying of three suction conduit assemblies simultaneously.
In addition, it should be noted that, when compressor is four cylinder compressor, suction conduit assembly 3 can moreover be only one, now, need additionally to arrange two traditional single tube sucking pipes, carry refrigerant separately with the cylinder be not connected with this suction conduit assembly 3 to two other, now can realize the effect of independent gas supply equally.Duplex cylinder compressor above and four cylinder compressors are all for object that example illustrates; be appreciated that and be applied in the technological scheme of three or more cylinders by the program after the technological scheme of those of ordinary skill on read, obviously, this also falls within protection domain of the present utility model.
In sum, in any case arrange suction conduit assembly 3, each cylinder in cylinder assembly 340 receives refrigerant independently, that is, neither one air intake passage is simultaneously to two or more cylinders transmission refrigerant, thus the problem of collaborating between cylinder in breathing process can be avoided, and then ensure the gettering quantity of each cylinder and the working stability of compressor 1.
In description of the present utility model, it will be appreciated that, term " " center ", " length ", " width ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (16)
1. a multi-cylinder rotary compressor assembly, is characterized in that, comprising:
Compressor, described compressor comprises cylinder assembly, and described cylinder assembly comprises at least two cylinders, and each described cylinder has compression chamber, is provided with dividing plate between two often adjacent described cylinders;
Liquid-storage container, described liquid-storage container is located at outside described compressor, and described liquid-storage container has housing; And
At least one suction conduit assembly, one end of each described suction conduit assembly to be stretched in described housing and is communicated with described enclosure interior, the other end of described suction conduit assembly is located on described cylinder assembly, have at least two air intake passages independent of each other in described suction conduit assembly, the described compression chamber of described at least two air intake passages cylinder described with at least two is respectively communicated with.
2. multi-cylinder rotary compressor assembly according to claim 1, it is characterized in that, the described the other end of described suction conduit assembly is located on described dividing plate, have two air intake passages independent of each other in described suction conduit assembly, the described compression chamber of two described cylinders that described two air intake passages are adjacent with corresponding described dividing plate is respectively communicated with.
3. multi-cylinder rotary compressor assembly according to claim 2, it is characterized in that, each described suction conduit assembly comprises the first sucking pipe and the second sucking pipe that are connected with each other vertically, described first sucking pipe stretch in described dividing plate at least partly, have described two air intake passages in described first sucking pipe, the free end of described second sucking pipe stretches in described housing.
4. multi-cylinder rotary compressor assembly according to claim 3, is characterized in that, is provided with the first demarcation strip so that the inner chamber of described first sucking pipe is divided into described two air intake passages in described first sucking pipe.
5. multi-cylinder rotary compressor assembly according to claim 4, is characterized in that, described first demarcation strip extends along the axis of described first sucking pipe.
6. multi-cylinder rotary compressor assembly according to claim 3, it is characterized in that, be provided with the second divider in described second sucking pipe so that the inner chamber of described second sucking pipe is divided into two the second air intake passages, described two the second air intake passages are communicated with described two air intake passages respectively.
7. multi-cylinder rotary compressor assembly according to claim 6, is characterized in that, described second divider is demarcation strip, and described demarcation strip extends along the axis of described second sucking pipe.
8. multi-cylinder rotary compressor assembly according to claim 7, is characterized in that, the length of described second divider is less than or equal to the length of described second sucking pipe.
9. multi-cylinder rotary compressor assembly according to claim 6, is characterized in that, described second divider comprises two sub-sucking pipes, limits two described second air intake passages in two described sub-sucking pipes.
10. multi-cylinder rotary compressor assembly according to claim 9, is characterized in that, the shape of cross section of each described sub-sucking pipe is circular, ellipse, long-round-shape or polygonal.
11. multi-cylinder rotary compressor assemblies according to claim 9, is characterized in that, described two sub-sucking pipes are one-body molded.
12. multi-cylinder rotary compressor assemblies according to claim 3, it is characterized in that, described second sucking pipe comprises the first pipeline section and two the second pipeline sections, described two the second pipeline sections are connected with described first pipeline section, described two the second pipeline sections are all positioned at described housing, and described first pipeline section is positioned at outside described housing and one end and is connected with described first sucking pipe.
13. multi-cylinder rotary compressor assemblies according to claim 12, is characterized in that, described first pipeline section is two, and described two the first pipeline sections are connected with described two the second pipeline sections respectively.
14. multi-cylinder rotary compressor assemblies according to claim 12, is characterized in that, described two the second pipeline sections are spaced apart from each other or contact with each other.
15. multi-cylinder rotary compressor assemblies according to any one of claim 3-13, is characterized in that, described first sucking pipe and described second sucking pipe one-body molded.
16. multi-cylinder rotary compressor assemblies according to claim 1, is characterized in that, described suction conduit assembly is that multiple and described multiple suction conduit assembly is spaced apart from each other setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587481.6U CN204239265U (en) | 2014-10-11 | 2014-10-11 | Multi-cylinder rotary compressor assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587481.6U CN204239265U (en) | 2014-10-11 | 2014-10-11 | Multi-cylinder rotary compressor assembly |
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| CN204239265U true CN204239265U (en) | 2015-04-01 |
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| CN201420587481.6U Expired - Fee Related CN204239265U (en) | 2014-10-11 | 2014-10-11 | Multi-cylinder rotary compressor assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114311A (en) * | 2015-08-24 | 2015-12-02 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor and refrigeration device with same |
| CN105202831A (en) * | 2015-10-10 | 2015-12-30 | 安徽美芝精密制造有限公司 | Liquid storage device, compressor provided with liquid storage device, and air-conditioning system |
| WO2018133286A1 (en) * | 2017-01-18 | 2018-07-26 | 广东美芝制冷设备有限公司 | Liquid receiver and two-cylinder compressor having liquid receiver |
| CN110821833A (en) * | 2019-11-29 | 2020-02-21 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
| CN110863987A (en) * | 2019-11-29 | 2020-03-06 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
-
2014
- 2014-10-11 CN CN201420587481.6U patent/CN204239265U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114311A (en) * | 2015-08-24 | 2015-12-02 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor and refrigeration device with same |
| CN105202831A (en) * | 2015-10-10 | 2015-12-30 | 安徽美芝精密制造有限公司 | Liquid storage device, compressor provided with liquid storage device, and air-conditioning system |
| WO2018133286A1 (en) * | 2017-01-18 | 2018-07-26 | 广东美芝制冷设备有限公司 | Liquid receiver and two-cylinder compressor having liquid receiver |
| CN110821833A (en) * | 2019-11-29 | 2020-02-21 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
| CN110863987A (en) * | 2019-11-29 | 2020-03-06 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
| CN110863987B (en) * | 2019-11-29 | 2021-08-27 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
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