CN204239196U - Twin-tub two stage compressor and air-conditioning system - Google Patents
Twin-tub two stage compressor and air-conditioning system Download PDFInfo
- Publication number
- CN204239196U CN204239196U CN201420736351.4U CN201420736351U CN204239196U CN 204239196 U CN204239196 U CN 204239196U CN 201420736351 U CN201420736351 U CN 201420736351U CN 204239196 U CN204239196 U CN 204239196U
- Authority
- CN
- China
- Prior art keywords
- twin
- tub
- pin
- transfiguration
- stage compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a kind of twin-tub two stage compressor and air-conditioning system, twin-tub two stage compressor comprises cylinder, and it is provided with the first vane slot, first row gas port, the second vane slot, the second exhaust port that is communicated with the second vane slot that circumferentially distribute successively; Be provided with the lower flange in pin hole and pressure switching hole; Be provided with the lower flange cover plate of the gas connectivity slot being communicated with pin hole and pressure switching hole; Transfiguration pin in pin hole; The transfiguration spring be connected with transfiguration pin with lower flange cover plate; The first slide plate in the first vane slot; The second slide plate in the second vane slot, its locating slot with location transfiguration pin and the exhaust mating groove be communicated with second exhaust port; Outlet and pressure switch the filter that hole is communicated with, and its first import is communicated with flash vessel air outlet by the first solenoid valve, and the second import is communicated with outlet pipe by the second solenoid valve.This twin-tub two stage compressor is achieved by change relief opening and switches comparatively huge discharge and comparatively small displacement, expands application area.
Description
Technical field
The utility model relates to Compressor Technology field, more particularly, relates to a kind of twin-tub two stage compressor and air-conditioning system.
Background technique
At present, the discharge capacity of single rotor formula variable volume compressor regulates mainly through controlling motor speed and adopting the mode of cylinder unloading to realize, wherein, cylinder unloading manner Displacement Regulation, mainly contains the switching of the switching of single cylinder single-stage and twin-tub single-stage, single cylinder single-stage and twin-tub twin-stage.But cylinder unloading manner cannot complete the switching of the large small displacement of twin-tub two stage compressor, cause the application area of twin-tub two stage compressor less.
In addition, twin-tub two stage compressor has fixed volume ratio, because the twin-tub two stage compressor volume ratio that best efficiency is corresponding under different operating modes in air conditioner is different, causes the efficiency grade of this twin-tub two stage compressor lower.
In sum, how realizing twin-tub two stage compressor compared with huge discharge and the switching compared with small displacement, to expand the application area of twin-tub two stage compressor, is current those skilled in the art's problem demanding prompt solution.
Model utility content
The purpose of this utility model is to provide a kind of twin-tub two stage compressor, realizes it compared with huge discharge and the switching compared with small displacement, to expand the application area of twin-tub two stage compressor.Another object of model utility is to provide a kind of air-conditioning system with above-mentioned twin-tub two stage compressor.
To achieve these goals, the utility model provides following technological scheme:
A kind of twin-tub two stage compressor, comprise: housing, the upper cover be connected with described housing two ends respectively and lower cover, the outlet pipe be connected with described upper cover, be positioned at upper cylinder and the lower cylinder of described housing, the lower flange be connected with described lower cylinder, the lower flange cover plate be connected with described lower flange, be positioned at the lower roller of described lower cylinder, be inside placed on the bent axle of described lower roller;
Described lower cylinder is provided with the first vane slot, first row gas port, the second vane slot, the second exhaust port that distribute successively along its circumference, described first vane slot and described second vane slot all extend along described lower cylinder radial direction, the opening of described first row gas port is towards the axis of described lower cylinder, and described second exhaust port is communicated with described second vane slot; Described lower flange is provided with pin hole and pressure switches hole, and described lower flange cover plate is provided with the gas connectivity slot being communicated with described pin hole and described pressure switching hole;
Described single cylinder capacity variable type compressor also comprises: be positioned at described pin hole and the transfiguration pin that can move along its axis; Be positioned at the transfiguration spring of described pin hole, the two ends of described transfiguration spring are connected with described transfiguration pin with described lower flange cover plate respectively; Be positioned at described first vane slot and can the first slide plate of radially movement; Be positioned at described second vane slot and can the second slide plate of radially movement, described second slide plate has and the locating slot of described transfiguration pin location fit and the exhaust mating groove that can be communicated with described second exhaust port; Outlet and described pressure switch the filter that hole is communicated with, and the first import of described filter is used for being communicated with the air outlet of flash vessel by the first solenoid valve, and the second import of described filter is communicated with described outlet pipe by the second solenoid valve;
Wherein, D/2+e-L/2 < L
2+ L
3< D/2+e-L
1, e is described crankshaft eccentric amount, and D is described lower cylinder internal diameter, and L is the radial length of described second exhaust port, L
1for described second exhaust port is apart from the radial distance of described lower cylinder inwall, L
2for the radial length of described exhaust mating groove, L
3for described exhaust mating groove is apart from the radial distance of described second slide plate the inner.
Preferably, described transfiguration pin comprises connected first pin section and the second pin section, and the diameter of described first pin section is less than the diameter of described second pin section, and described second pin section has placed cavity; Wherein, described locating slot and described first pin section location fit, one end of described transfiguration spring is positioned at described placed cavity.
Preferably, described first slide plate the interior edge face tangent with described lower roller and described first slide plate can be cambered surface in the exterior edge face tangent with described lower cylinder inwall, and described second slide plate the interior edge face tangent with described lower roller and described second slide plate can be cambered surface by the interior edge face tangent with described lower cylinder inwall.
Preferably, described first row gas port and described second exhaust port are arc port, and described gas connectivity slot is kidney slot.
Preferably, 0.3mm≤L
1≤ 0.6mm, 0.3mm≤L
3≤ 0.6mm.
Preferably, 0.3≤H
1≤ 0.6mm, H/2≤H
2≤ H; Wherein, H is the distance of described second exhaust port bottom apart from described lower cylinder upper-end surface, H
1for the width of described exhaust mating groove, H
2for the axial depth of described exhaust mating groove.
Preferably, between described first vane slot and described second vane slot, angle is θ, and 30 °≤θ < 72 °.
Preferably, described outlet pipe is welded in described upper cover, and described upper cylinder and described lower cylinder are all welded in described housing, and described upper cover is all connected with described case weld with described lower cover.
The working principle of the twin-tub two stage compressor that the utility model provides is: need comparatively small displacement time, open the first solenoid valve, close the second solenoid valve, the medium pressure gas of discharging from the air outlet of flash vessel switches hole by the pressure entering lower flange after filter, pin hole is entered by the gas connectivity slot of lower flange cover plate, the gas of transfiguration pin near lower flange cover plate one end is medium pressure gas, transfiguration pin is pressurized gas away from the gas of lower flange cover plate one end, transfiguration spring is compressed further, the downward flange plate of transfiguration pin is moved, after transfiguration pin departs from the locating slot of the second slide plate, second slide plate moves along the second vane slot to lower roller under the pressurized gas effect in housing dorsad, until the second slide plate and lower roller tangent, now, first slide plate is also tangent with lower roller, the pressurized gas of lower cylinder is only discharged from second exhaust port, lower cylinder is comparatively small displacement compression, then upper cylinder and lower cylinder achieve the larger volume ratio Two-stage Compression of comparatively small displacement, need comparatively huge discharge time, open the second solenoid valve, close the first solenoid valve, pressurized gas switch hole by the pressure entering lower flange after filter, pin hole is entered by the gas connectivity slot of lower flange cover plate, because transfiguration pin two ends are pressurized gas, and the high-pressure gas pressure at transfiguration pin two ends is offset, under the active force of transfiguration spring, transfiguration pin is positioned at the locating slot of the second slide plate, realize transfiguration pin and pin the second slide plate, outer end and the lower cylinder inwall of the second slide plate are tangent, the pressurized gas of lower cylinder is discharged from first row gas port or second exhaust port, lower cylinder is comparatively huge discharge compression, then upper cylinder and lower cylinder achieve compared with the less volume ratio Two-stage Compression of huge discharge.
The twin-tub two stage compressor that the utility model provides, by arranging first row gas port, second exhaust port, the first vane slot and the second vane slot on lower cylinder, first slide plate is set in the first vane slot, second slide plate is set in the second vane slot, lower cylinder achieves two slide vane structure, lower cylinder comparatively huge discharge and comparatively small displacement switching is achieved by changing relief opening, thus achieve whole twin-tub two stage compressor compared with huge discharge and the switching compared with small displacement, expand the application area of twin-tub two stage compressor.
Simultaneously, the twin-tub two stage compressor that the utility model provides, by changing the angle between the second vane slot and the first vane slot, change the volume of lower cylinder, thus change the volume ratio of twin-tub two stage compressor, then according to the best volume ratio of required operating conditions, and then can improve the efficiency grade of twin-tub two stage compressor.
Based on the above-mentioned twin-tub two stage compressor provided, the utility model additionally provides a kind of air-conditioning system, and this air-conditioning system comprises: compressor, the flash vessel that air outlet is communicated with the intakeport of compressor; Wherein, described compressor is the twin-tub two stage compressor described in above-mentioned any one.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the single cylinder capacity variable type compressor that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the enlarged diagram of part A in Fig. 1;
The structural representation of lower cylinder in the single cylinder capacity variable type compressor that Fig. 3 provides for the utility model embodiment;
The structural representation of the second slide plate in the single cylinder capacity variable type compressor that Fig. 4 provides for the utility model embodiment;
The structural representation of lower flange in the single cylinder capacity variable type compressor that Fig. 5 provides for the utility model embodiment;
The structural representation of lower flange cover plate in the single cylinder capacity variable type compressor that Fig. 6 provides for the utility model embodiment;
The structural representation of transfiguration pin in the single cylinder capacity variable type compressor that Fig. 7 provides for the utility model embodiment.
In upper Fig. 1-7:
1 is liquor separator, 2 is upper baffler, 3 is upper flange, 4 is upper cylinder, 5 is upper roller, 6 is upper pump casing dividing plate, 7 is lower pump body dividing plate, 8 is lower roller, 9 is lower cylinder, 901 is the first vane slot, 902 is first row gas port, 903 is the second vane slot, 904 is second exhaust port, 905 for increasing enthalpy hole, 10 is lower flange, 1001 is pin hole, 1002 is pressure switching hole, 11 is lower flange cover plate, 1101 is gas connectivity slot, 12 is lower cover, 13 is transfiguration spring, 14 is transfiguration pin, 15 is the second slide plate, 1501 is locating slot, 1502 is exhaust mating groove, 16 is bent axle, 17 is motor, 18 is housing, 19 is upper cover, 20 is outlet pipe, 21 for increasing enthalpy parts, 22 is the first solenoid valve, 23 is the second solenoid valve, 24 is filter.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to accompanying drawing 1-7, the twin-tub two stage compressor that the utility model embodiment provides, comprise: housing 18, the upper cover 19 be connected with housing 18 two ends respectively and lower cover 12, the outlet pipe 20 be connected with upper cover 19, is positioned at upper cylinder 4 and the lower cylinder 9 of housing 18, the lower flange 10 be connected with lower cylinder 9, the lower flange cover plate 11 be connected with lower flange 10, is positioned at the lower roller 8 of lower cylinder 9, is inside placed on the bent axle 16 of lower roller 8.
In above-mentioned twin-tub two stage compressor, lower cylinder 9 is provided with the first vane slot 901, first row gas port 902, second vane slot 903, the second exhaust port 904 that distribute successively along its circumference, first vane slot 901 and the second vane slot 903 all extend along lower cylinder 9 radial direction, the opening of first row gas port 902 is towards the axis of lower cylinder 9, and second exhaust port 904 is communicated with the second vane slot 903; Lower flange 10 is provided with pin hole 1001 and pressure switches hole 1002, and lower flange cover plate 11 is provided with the gas connectivity slot 1101 being communicated with pin hole 1001 and pressure switching hole 1002.Be understandable that, realize second exhaust port 904 and be communicated with the second vane slot 903, need second exhaust port 904 to be opened on the cell wall of the second vane slot 903.
In order to realize realizing compared with huge discharge and the switching compared with small displacement by changing relief opening, above-mentioned twin-tub two stage compressor also comprises: be positioned at pin hole 1001 and the transfiguration pin 14 that can move along its axis; Be positioned at the transfiguration spring 13 of pin hole 1001, the two ends of transfiguration spring 13 are connected with transfiguration pin 14 with lower flange cover plate 11 respectively; Be positioned at the first vane slot 901 and can the first slide plate of radially movement; Be positioned at the second vane slot 903 and can the second slide plate 15, second slide plate 15 of radially movement have and the locating slot 1501 of transfiguration pin 14 location fit and the exhaust mating groove 1502 that can be communicated with second exhaust port 904; Outlet and pressure switch the filter 24 that hole 1002 is communicated with, and the first import of filter 24 is by the first solenoid valve 22 for being communicated with the air outlet of flash vessel, and the second import of filter 24 is communicated with outlet pipe 20 by the second solenoid valve 23.
Be understandable that, transfiguration pin 14 is in the back pressure (high pressure) of housing 18 all the time away from one end of lower flange cover plate 11.Transfiguration spring 13 is in compressive state all the time.First slide plate can be tangent with lower cylinder 9 inwall, and the first slide plate moves along the first vane slot 901 to lower roller 8 under the pressurized gas effect in housing 18 dorsad, can be tangent with lower roller 8; Second slide plate 15 can be tangent with lower cylinder 9 inwall, after the second slide plate 15 loses the positioning action of transfiguration pin 14, also can move along the second vane slot 903 to lower roller 8, until tangent with lower roller 8 under the pressurized gas effect in housing 18 dorsad.Exhaust mating groove 1502 and second exhaust port 904 form grate flow channel.Flash vessel is parts of the air-conditioning system with this twin-tub two stage compressor, the liquid entering hole of flash vessel is connected with indoor heat exchanger, the liquid outlet of flash vessel is connected with outdoor heat exchanger, the air outlet of flash vessel is connected with sucking pipe, meanwhile, the air outlet of flash vessel is also connected with the first import of filter 24.
In order to ensure that second exhaust port 904 forms exhaust passage with exhaust mating groove 1502, be required to meet formula D/2+e-L/2 < L
2+ L
3< D/2+e-L
1, wherein, e is bent axle 16 offset, and D is lower cylinder 9 internal diameter (diameter), and L is the radial length of second exhaust port 904, L
1for second exhaust port 904 is apart from the radial distance of lower cylinder 9 inwall, L
2for being vented the radial length of mating groove 1502, L
3for exhaust mating groove 1502 is apart from the radial distance of second slide plate 15 the inner.Be understandable that, second slide plate 15 the inner refers to, the second slide plate 15 near lower roller 8 and can be tangent with lower roller 8 one end.
The working principle of the twin-tub two stage compressor that the utility model embodiment provides is: need comparatively small displacement time, open the first solenoid valve 22, close the second solenoid valve 23, the medium pressure gas of discharging from the air outlet of flash vessel switches hole 1002 by the pressure entering lower flange 10 after filter 24, pin hole 1001 is entered by the gas connectivity slot 1101 of lower flange cover plate 11, the gas of transfiguration pin 14 near lower flange cover plate 11 one end is medium pressure gas, transfiguration pin 14 is pressurized gas away from the gas of lower flange cover plate 11 one end, transfiguration spring 13 is compressed further, the downward flange plate 11 of transfiguration pin 14 is moved, after transfiguration pin 14 departs from the locating slot 1501 of the second slide plate 15, second slide plate 15 moves along the second vane slot 903 to lower roller 8 under the pressurized gas effect in housing 18 dorsad, until the second slide plate 15 is tangent with lower roller 8, now, first slide plate is also tangent with lower roller 8, the pressurized gas of lower cylinder 9 is only discharged from second exhaust port 904, lower cylinder 9 is comparatively small displacement compression, then upper cylinder 4 and lower cylinder 9 achieve the larger volume ratio Two-stage Compression of comparatively small displacement, need comparatively huge discharge time, open the second solenoid valve 23, close the first solenoid valve 22, pressurized gas switch hole 1002 by the pressure entering lower flange 10 after filter 24, pin hole 1001 is entered by the gas connectivity slot 1101 of lower flange cover plate 11, because transfiguration pin 14 two ends are pressurized gas, and the high-pressure gas pressure at transfiguration pin 14 two ends is offset, under the active force of transfiguration spring 13, transfiguration pin 14 is positioned at the locating slot 1501 of the second slide plate 15, realize transfiguration pin 14 and pin the second slide plate 15, outer end and lower cylinder 9 inwall of the second slide plate 15 are tangent, the pressurized gas of lower cylinder 9 is discharged from first row gas port 902 or second exhaust port 904, lower cylinder 9 is comparatively huge discharge compression, then upper cylinder 4 and lower cylinder 9 achieve compared with the less volume ratio Two-stage Compression of huge discharge.
The twin-tub two stage compressor that the utility model embodiment provides, by arranging first row gas port 902, second exhaust port 904, first vane slot 901 and the second vane slot 903 on lower cylinder 9, in the first vane slot 901, the first slide plate is set, second slide plate 15 is set in the second vane slot 903, lower cylinder 9 achieves two slide vane structure, lower cylinder 9 comparatively huge discharge and comparatively small displacement switching is achieved by changing relief opening, thus achieve whole twin-tub two stage compressor compared with huge discharge and the switching compared with small displacement, expand the application area of twin-tub two stage compressor.
Simultaneously, the twin-tub two stage compressor that the utility model embodiment provides, by changing the angle between the second vane slot 903 and the first vane slot 901, change the volume of lower cylinder 9, thus change the volume ratio of twin-tub two stage compressor, then according to the best volume ratio of required operating conditions, and then can improve the efficiency grade of twin-tub two stage compressor.
In the twin-tub two stage compressor that above-described embodiment provides, arranging filter 24 is normal operations in order to ensure this twin-tub two stage compressor.Concrete, when the second solenoid valve 23 is opened, when introducing pressurized gas, this filter 24 filters out impurity, refrigeration oil in pressurized gas; When the first solenoid valve 22 is opened, this filter 24 filters out impurity, liquid refrigerant in medium pressure gas.
In order to improve the stability of transfiguration spring 13, prioritizing selection transfiguration pin 14 comprises connected first pin section and the second pin section, and the diameter of the first pin section is less than the diameter of the second pin section, and the second pin section has placed cavity; Wherein, locating slot 1501 and the first pin section location fit, one end of transfiguration spring 13 is positioned at placed cavity.Like this, achieve transfiguration spring 13 by placed cavity spacing, also effectively ensure that transfiguration spring 13 normal deformation.Certainly, other structures also can be adopted to realize the setting of transfiguration spring 13, be not limited thereto.
For the ease of the first slide plate and lower cylinder 9 inwall and lower roller 8 tangent, prioritizing selection first slide plate the interior edge face tangent with lower roller 8 and the first slide plate can be cambered surface in the exterior edge face tangent with lower cylinder 9 inwall.In like manner, prioritizing selection second slide plate 15 interior edge face tangent with lower roller 8 and the second slide plate 15 can be cambered surface by the interior edge face tangent with lower cylinder 9 inwall.
Preferably, in the twin-tub two stage compressor that above-described embodiment provides, first row gas port 902 and second exhaust port 904 are arc port, and gas connectivity slot 1101 is kidney slot.Concrete, first row gas port 902 and second exhaust port 904 semicircular in shape.Certainly, first row gas port 902, second exhaust port 904 and gas connectivity slot 1101 also can be selected for other shapes, as long as its function can be realized.
In the twin-tub two stage compressor that above-described embodiment provides, in order to improve reliability, prioritizing selection L
1>=0, L
3>=0.Further, 0.3mm≤L
1≤ 0.6mm, 0.3mm≤L
3≤ 0.6mm.Certainly, also can design according to lower cylinder in actual application 9 size and the second slide plate 15 size, be not limited thereto.
Preferably, in the twin-tub two stage compressor that above-described embodiment provides, 0.3≤H
1≤ 0.6mm, H/2≤H
2≤ H; Wherein, H is the distance of second exhaust port 904 bottom apart from lower cylinder 9 upper-end surface, H
1for being vented the width of mating groove 1502, H
2for being vented the axial depth of mating groove 1502.Be understandable that, the upper-end surface of lower cylinder 9 refers to the end face of lower cylinder 9 near upper cylinder 4, the width H of exhaust mating groove 1502
1refer to the width being vented mating groove 1502 on the upper-end surface of lower cylinder 9, the axial depth H of exhaust mating groove 1502
2refer to the degree of depth along lower cylinder 9 axial exhaust mating groove 1502, specifically refer to Fig. 4.
Preferably, in the twin-tub two stage compressor that above-described embodiment provides, between the first vane slot 901 and the second vane slot 903, angle is θ, and 30 °≤θ < 72 °.Certainly, also θ can be selected to be other numerical value according to required operating mode, be not limited thereto.
Be understandable that, above-mentioned twin-tub two stage compressor also has miscellaneous part, concrete, also comprise: the lower pump body dividing plate 7 between lower cylinder 9 and upper cylinder 4 and upper pump casing dividing plate 6, be positioned at the upper roller 5 of upper cylinder 4, be positioned at the upper flange 3 of upper cylinder 4 upper end, the upper baffler 2 be connected with upper flange 3, is positioned at the motor 17 of housing 18, the sucking pipe be communicated with the air aspiration cavity of lower cylinder 9, the liquor separator 1 be communicated with sucking pipe, the increasing enthalpy parts 21 be communicated with the increasing enthalpy hole 905 of lower cylinder 9.Wherein, bent axle 16 through lower flange cover plate 11, lower flange 10, lower cylinder 9, lower roller 8, lower pump body dividing plate 7, upper pump casing dividing plate 6, upper cylinder 4, upper roller 5, upper flange 3, upper baffler 2, and is fixed by screws in together.Increase enthalpy parts 21 to be communicated with the air outlet of flash vessel, namely the air outlet of flash vessel is divided into two, and one flows into increasing enthalpy parts 21, another inflow filter 24.Along the circumference of lower cylinder 9, the first vane slot 901, first row gas port 902, second vane slot 903, second exhaust port 904, increasing enthalpy hole 905 distribute successively.
Preferably, liquor separator 1 is fixed by welding on sucking pipe, and sucking pipe is welded on housing 18, and outlet pipe 20 is welded on upper cover 19, and upper cover 19 and lower cover 12 are all weldingly connected with housing 18, and lower cylinder 9 and upper cylinder 4 are all welded in housing 18; The lower end of lower cylinder 9 (low pressure (LP) cylinder) is locked by screw and lower flange 10, lower flange cover plate 11, the upper end of lower cylinder 9 is connected with lower pump body dividing plate 7, increases enthalpy parts 21 by communicating with the intermediate cavity of lower flange 10 with the increasing enthalpy mouth interference fit of lower cylinder 9; Upper cylinder 4 (high-pressure cylinder) is locked by screw and upper flange 3, upper baffler 2, and the lower end of upper cylinder 4 is connected with upper pump casing dividing plate 6, and upper pump casing dividing plate 6 is connected with lower pump body dividing plate 7.
Based on the twin-tub two stage compressor that above-described embodiment provides, the utility model embodiment still provides a kind of air-conditioning system, and this air-conditioning system comprises: compressor, the flash vessel that air outlet is communicated with the intakeport of compressor; Wherein, described compressor is the twin-tub two stage compressor described in above-mentioned any one.
Because above-mentioned twin-tub two stage compressor has above-mentioned technique effect, above-mentioned air-conditioning system has above-mentioned twin-tub two stage compressor, then above-mentioned air-conditioning system also has corresponding technique effect, repeats no more herein.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the utility model.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a twin-tub two stage compressor, comprise: housing (18), the upper cover (19) be connected with described housing (18) two ends respectively and lower cover (12), the outlet pipe (20) be connected with described upper cover (19), be positioned at upper cylinder (4) and the lower cylinder (9) of described housing (18), the lower flange (10) be connected with described lower cylinder (9), the lower flange cover plate (11) be connected with described lower flange (10), be positioned at the lower roller (8) of described lower cylinder (9), inside be placed on the bent axle (16) of described lower roller (8), it is characterized in that,
Described lower cylinder (9) is provided with the first vane slot (901), first row gas port (902), the second vane slot (903), the second exhaust port (904) that distribute successively along its circumference, described first vane slot (901) and described second vane slot (903) all extend along described lower cylinder (9) radial direction, the opening of described first row gas port (902) is towards the axis of described lower cylinder (9), and described second exhaust port (904) is communicated with described second vane slot (903); Described lower flange (10) is provided with pin hole (1001) and pressure switches hole (1002), and described lower flange cover plate (11) is provided with the gas connectivity slot (1101) being communicated with described pin hole (1001) and described pressure switching hole (1002);
Described single cylinder capacity variable type compressor also comprises: be positioned at described pin hole (1001) and the transfiguration pin (14) that can move along its axis; Be positioned at the transfiguration spring (13) of described pin hole (1001), the two ends of described transfiguration spring (13) are connected with described transfiguration pin (14) with described lower flange cover plate (11) respectively; Be positioned at described first vane slot (901) and can the first slide plate of radially movement; Be positioned at described second vane slot (903) and can second slide plate (15) of radially movement, described second slide plate (15) has and the locating slot (1501) of described transfiguration pin (14) location fit and the exhaust mating groove (1502) that can be communicated with described second exhaust port (904); Outlet and described pressure switch the filter (24) that hole (1002) is communicated with, first import of described filter (24) is by the first solenoid valve (22) for being communicated with the air outlet of flash vessel, and the second import of described filter (24) is communicated with described outlet pipe (20) by the second solenoid valve (23);
Wherein, D/2+e-L/2 < L
2+ L
3< D/2+e-L
1, e is described bent axle (16) offset, and D is described lower cylinder (9) internal diameter, and L is the radial length of described second exhaust port (904), L
1for described second exhaust port (904) is apart from the radial distance of described lower cylinder (9) inwall, L
2for the radial length of described exhaust mating groove (1502), L
3for the radial distance that described exhaust mating groove (1502) is inner apart from described second slide plate (15).
2. twin-tub two stage compressor according to claim 1, it is characterized in that, described transfiguration pin (14) comprises connected first pin section and the second pin section, and the diameter of described first pin section is less than the diameter of described second pin section, and described second pin section has placed cavity; Wherein, described locating slot (1501) and described first pin section location fit, one end of described transfiguration spring (13) is positioned at described placed cavity.
3. twin-tub two stage compressor according to claim 1, it is characterized in that, described first slide plate the interior edge face tangent with described lower roller (8) and described first slide plate can be cambered surface in the exterior edge face tangent with described lower cylinder (9) inwall, and described second slide plate (15) interior edge face tangent with described lower roller (8) and described second slide plate (15) can be cambered surface by the interior edge face tangent with described lower cylinder (9) inwall.
4. twin-tub two stage compressor according to claim 1, is characterized in that, described first row gas port (902) and described second exhaust port (904) are arc port, and described gas connectivity slot (1101) is kidney slot.
5. twin-tub two stage compressor according to claim 1, is characterized in that, 0.3mm≤L
1≤ 0.6mm, 0.3mm≤L
3≤ 0.6mm.
6., according to the twin-tub two stage compressor in claim 1-5 described in any one, it is characterized in that, 0.3≤H
1≤ 0.6mm, H/2≤H
2≤ H; Wherein, H is the distance of described second exhaust port (904) bottom apart from described lower cylinder (9) upper-end surface, H
1for the width of described exhaust mating groove (1502), H
2for the axial depth of described exhaust mating groove (1502).
7. according to the twin-tub two stage compressor in claim 1-5 described in any one, it is characterized in that, between described first vane slot (901) and described second vane slot (903), angle is θ, and 30 °≤θ < 72 °.
8. twin-tub two stage compressor according to claim 1, it is characterized in that, described outlet pipe (20) is welded in described upper cover (19), described upper cylinder (4) and described lower cylinder (9) are all welded in described housing (18), and described upper cover (19) and described lower cover (12) are all weldingly connected with described housing (18).
9. an air-conditioning system, comprising: compressor, the flash vessel that air outlet is communicated with the intakeport of described compressor; It is characterized in that, described compressor is for as the twin-tub two stage compressor in claim 1-8 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736351.4U CN204239196U (en) | 2014-11-28 | 2014-11-28 | Twin-tub two stage compressor and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736351.4U CN204239196U (en) | 2014-11-28 | 2014-11-28 | Twin-tub two stage compressor and air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239196U true CN204239196U (en) | 2015-04-01 |
Family
ID=52768701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736351.4U Active CN204239196U (en) | 2014-11-28 | 2014-11-28 | Twin-tub two stage compressor and air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632581A (en) * | 2014-11-28 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder two-stage compressor and air conditioner system |
| WO2021128905A1 (en) * | 2019-12-26 | 2021-07-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and variable capacity compressor |
-
2014
- 2014-11-28 CN CN201420736351.4U patent/CN204239196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632581A (en) * | 2014-11-28 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder two-stage compressor and air conditioner system |
| WO2021128905A1 (en) * | 2019-12-26 | 2021-07-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and variable capacity compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204239247U (en) | Single cylinder capacity variable type compressor and air-conditioning system | |
| CN104632581A (en) | Double-cylinder two-stage compressor and air conditioner system | |
| CN103742410B (en) | Rotary compressor and compression set, air conditioner | |
| CN102364107B (en) | Rotary compressor with enhanced vapor injection function | |
| EP1798372B1 (en) | Displacement type expander | |
| CN101560977B (en) | Capacity control rotary compressor | |
| CN103775338B (en) | Rotary compressor and the cooling cycle system with it | |
| CN105626524B (en) | Single cylinder capacity variable type compressor and air-conditioning system | |
| CN203272136U (en) | Single-cylinder multistage compressor | |
| CN204419597U (en) | Sliding-vane compressor and exhaust structure thereof | |
| CN102102668A (en) | Rotary compressor | |
| CN203771831U (en) | Air-conditioning outdoor unit and multifunctional liquid accumulator thereof | |
| CN203335407U (en) | Single-cylinder two-stage compression pump body and compressor | |
| CN204239196U (en) | Twin-tub two stage compressor and air-conditioning system | |
| CN203756524U (en) | Double-level rotating compressor and refrigerating cycling device with same | |
| CN103727034A (en) | Compressor | |
| CN100400883C (en) | Apparatus for changing capacity of multi-stage rotary compressor | |
| CN202707496U (en) | Variable-capacity rotary compressor | |
| CN110762017B (en) | Air inlet structure, air exhaust structure, compressor, control method and air conditioner | |
| CN102628440B (en) | With three air bleeding valves and discharge-pressure refrigerant is drained into back pressure chamber screw compressor | |
| CN104912795B (en) | Varying capacity screw compressor | |
| CN105422451B (en) | The compression mechanism of rotary compressor and there is its rotary compressor | |
| CN202520552U (en) | Rotary compressor | |
| CN103807175A (en) | Dual-rotor two-stage enthalpy increasing compressor, air conditioner and heat pump water heater | |
| CN202900660U (en) | Dual-rotor two-stage enthalpy increasing compressor, air conditioner and heat pump water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |