CN104165132A - Compressor - Google Patents
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- CN104165132A CN104165132A CN201410378180.7A CN201410378180A CN104165132A CN 104165132 A CN104165132 A CN 104165132A CN 201410378180 A CN201410378180 A CN 201410378180A CN 104165132 A CN104165132 A CN 104165132A
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Abstract
The invention discloses a compressor which comprises a shell, a compression mechanism, a motor and a rotor end plate. The compression mechanism is arranged in the shell, the motor is arranged in the shell and connected with the compression mechanism, and the motor comprises a stator and a rotor. A first through hole is formed in the rotor, an end plate of the rotor is arranged at the end, away from the compression mechanism, of the rotor, and a second through hole communicated with the first through hole is formed in the end plate of the rotor. The side wall, adjacent to the center of the end plate of the rotor, of the second through hole is provided with a guiding plate for guiding an oil and gas mixture in the first through hole out in the direction towards the side wall of the shell. According to the compressor, due to the fact that the guiding plate is arranged on the end plate of the rotor, oil and mist separation can be effectively conducted, so that the oil output amount, especially the oil output amount generated in high-frequency operation of the compressor, of the compressor is reduced, refrigerating machine oil is limited in the compressor, and the energy efficiency and reliability of the compressor are improved. In addition, the structure of the end plate of the rotor is simple, and machining and assembling are convenient.
Description
Technical field
The present invention relates to art of refrigeration units, especially relate to a kind of compressor.
Background technique
In correlation technique, point out, the Main Function of the refrigerator oil in compressor be lubricate, sealing etc., but, in compressor operating, when particularly frequency-changeable compressor high frequency moves, because extraction flow is larger, refrigerator oil is easily along with refrigerant is outside outlet pipe is discharged to compressor, thereby cause the inner oil starvation of compressor, cause lack of lubrication, affect the reliability of compressor operating, too much refrigerator oil enters system (for example air-conditioning system) simultaneously, reduce the heat-exchange performance of air-conditioning system, caused the efficiency of air-conditioning system to reduce.The mode that tradition reduction compressor is told oil mass is to increase oil guard between rotor and outlet pipe, or increase oil guard etc. between stator and upper shell, but owing to introducing baroque oil guard, thereby compressor processed complex degree and cost are increased, simultaneously because introducing the accessories such as oil guard, and then reduce the reliability and safety of compressor.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, the object of the invention is to propose a kind of compressor, described compressor can reduce effectively tells oil mass.
According to the compressor of the embodiment of the present invention, comprising: housing; Compressing mechanism, described compressing mechanism is located in described housing; Motor, described motor is located in described housing and is connected with described compressing mechanism, and described motor comprises stator and rotor, is formed with the first through hole of perforation on described rotor; And rotor end plates, described rotor end plates is located at one end away from described compressing mechanism of described rotor, in described rotor end plates, be formed with the second through hole being communicated with described the first through hole, the sidewall at the center of the described rotor end plates of vicinity of wherein said the second through hole is provided with guide plate so that the gas mixture in described the first through hole is derived towards the direction of the sidewall of described housing.
According to the compressor of the embodiment of the present invention, by guide plate is set in rotor end plates, thereby can carry out mist of oil effectively separates, and then reduce telling oil mass, especially reducing the oil mass of telling in compressor high frequency when operation of compressor, refrigerator oil is limited in compressor, improves efficiency and the reliability of compressor.In addition, rotor end plates simple in structure, is convenient to processing and assembling.
Alternatively, described guide plate is located at the side away from described rotor of described rotor end plates, and described guide plate extends towards the direction away from described rotor from inside to outside.
Particularly, described guide plate extends towards the direction straight line away from described rotor, curve or broken line from inside to outside.
Further, the distance between the week that the distance between the week of described guide plate one end and the center of described rotor end plates is upwards the greater than described guide plate the other end and the center of described rotor end plates upwards.Thus, make the stressed increase of flow process away from rotor center axial direction, promote mist of oil separating effect.
Alternatively, described the second through hole is the circumferential spaced apart distribution of multiple and described multiple the second through hole along described rotor end plates, and described guide plate is multiple, and described multiple guide plate is corresponding one by one with described multiple the second through holes.
Further, be formed with the cavity unlimited towards a side of described rotor end plates on described rotor, described cavity is all communicated with described the first through hole and described the second through hole.Thus, can further improve mist of oil separating effect.
Alternatively, described guide plate stretches in described cavity, and described guide plate extends towards the direction away from described compressing mechanism from inside to outside.Thus, can improve the safety and reliability of compressor.
Particularly, the diapire of described guide plate and described cavity is spaced apart from each other.
Alternatively, described cavity is formed on the rotor iron core of described rotor, the height H of wherein said cavity
1meet: 0.05 × H
2≤ H
1≤ 0.5 × H
2, wherein, described H
2for the height of described rotor iron core.
Particularly, the center of described rotor end plates is formed with the through hole of perforation.Thus, meet processing technology requirement.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
Fig. 1 is according to the sectional drawing of the compressor of the embodiment of the present invention;
Fig. 2 is the sectional drawing of the rotor shown in Fig. 1, rotor end plates and equilibrium block;
Fig. 3 is the sectional drawing of the rotor shown in Fig. 2 and equilibrium block;
Fig. 4 is the plan view of the rotor shown in Fig. 3;
Fig. 5 is the plan view of the rotor end plates shown in Fig. 2;
Fig. 6 is the sectional drawing of compressor in accordance with another embodiment of the present invention;
Fig. 7 is the sectional drawing of the rotor shown in Fig. 6, rotor end plates and equilibrium block;
Fig. 8 is the sectional drawing of the rotor shown in Fig. 6 and equilibrium block;
Fig. 9 is the plan view of the rotor shown in Fig. 8;
Figure 10 is the sectional drawing of the rotor shown in Fig. 9;
Figure 11 is the sectional drawing of another embodiment's the compressor according to the present invention;
Figure 12 is the sectional drawing of the rotor shown in Figure 11;
Figure 13 is the sectional drawing of another embodiment's the compressor according to the present invention;
Figure 14 is the sectional drawing of the rotor shown in Figure 13, rotor end plates and equilibrium block.
Reference character:
100: compressor;
1: housing; 11: upper shell; 111: outlet pipe; 12: main casing; 13: lower shell body;
2: motor: 21: stator; 211: line bag;
22: rotor iron core; 221: magnet; 222: the first through holes; 223: cavity;
224: mounting hole; 225: the first rivet holes;
23: rotor end plates; 231: guide plate; 232: the second through holes;
233: through hole; 234: the second rivet holes;
24: rotor lower end sheet; 241: third through-hole;
251: upper equilibrium block; 252: lower equilibrium block;
26: rivet;
3: compressing mechanism; 31: main bearing; 32: supplementary bearing; 33: cylinder.
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
Describe according to the compressor 100 of the embodiment of the present invention below with reference to Fig. 1-Figure 14, wherein, compressor 100 can be vertical compressor 100 or horizontal compressor 100, in the description below the present invention, describes as vertical rotating formula compressor 100 as example taking compressor 100.
As shown in Figure 1, according to the compressor 100 of the embodiment of the present invention, comprising: housing 1, compressing mechanism 3, motor 2 and rotor end plates 23.
Particularly, with reference to Fig. 1, housing 1 can connect the cylindrical shape sealed shell of tank forming in turn by upper shell 11, main casing 12 and lower shell body 13, compressing mechanism 3 and motor 2 are located at respectively in main casing 12, wherein motor 2 comprises rotor and stator 21, stator 21 is fixed on the top in main casing 12, rotor comprises rotor iron core 22 and magnet 221, magnet 221 is plugged in rotor iron core 22 vertically, magnet 221 interacts with stator 21, thereby makes rotor be located at rotationally the inner side of stator 21.
As shown in Figure 1, compressing mechanism 3 can comprise bent axle (scheming not shown), main bearing 31, supplementary bearing 32 and cylinder 33, cylinder 33 is located between main bearing 31 and supplementary bearing 32 and is all positioned at the below of motor 2, upper end and the rotor of bent axle are fixed, the lower end of bent axle is run through main bearing 31 successively, cylinder 33 and supplementary bearing 32, thereby main bearing 31, cylinder 33 and supplementary bearing 32 limit compression chamber jointly, on bent axle, there is eccentric part, on eccentric part, be arranged with piston, piston is located in compression chamber, in the time that rotor banding dynamic crankshaft rotates, piston can roll along the inwall of compression chamber, on cylinder 33, be formed with the vane slot radially extending, in vane slot, be provided with reciprocating slide plate, the inner (i.e. the one end at contiguous cylinder 33 centers) of slide plate is only supported mutually with the periphery wall of piston, bent axle drives piston eccentric motion in compression chamber by eccentric part, thereby the refrigerant entering in compression chamber is compressed, the top of upper shell 11 is set as the outlet pipe 111 running through, refrigerant after compression is discharged compressor 100 from outlet pipe 111.
Further, rotor end plates 23 is located at one end away from compressing mechanism 3 (example is upper end as shown in Figure 2) of rotor.For example, in the example of Fig. 2, rotor iron core 22 vertically arranges, the upper-end surface of rotor iron core 22 is provided with rotor end plates 23, the top of rotor end plates 23 is provided with equilibrium block 251, similar ground, on the lower end surface of rotor iron core 22, also can be provided with rotor lower end sheet 24, the bottom of rotor lower end sheet 24 is provided with lower equilibrium block 252.Wherein, rotor iron core 22 is fixed together with the mode that rotor end plates 23 can be connected by rivet 26, for example, with reference to Fig. 4 and Fig. 5, on rotor iron core 22, be formed with the first rivet hole 225 running through, in rotor end plates 23, be formed with the second rivet hole 234 running through, the first rivet hole 225 is corresponding one by one with the second rivet hole 234, thereby can adopt rivet 26 to connect the first rivet hole 225 and the second rivet hole 234, so that rotor end plates 23 is fixed on rotor iron core 22.
With reference to Fig. 2, on rotor, be formed with the first through hole 222 of perforation, the first through hole 222 runs through rotor iron core 22 along the vertical direction, and spaced apart with magnet 221, in rotor end plates 23, be formed with the second through hole 232, the second through hole 232 runs through rotor end plates 23 along the vertical direction, and be connected with the first through hole 222, similar ground, on rotor lower end sheet 24, can be formed with the third through-hole 241 running through along the vertical direction, third through-hole 241 is connected with the first through hole 222, thereby the refrigerant after compression can be bottom-up successively by third through-hole 241, the first through hole 222 and the second through hole 232 are passed to the top of rotor, then discharge from the outlet pipe 111 at upper shell 11 tops.
Particularly, the sidewall at the adjacent rotor end plate 23 center of the second through hole 232 is provided with guide plate 231, guide plate 231 is for deriving the gas mixture in the first through hole 222 towards the direction of the sidewall of housing 1, that is to say, guide plate 231 is for deriving the gas mixture in the first through hole 222 towards the direction away from rotor end plates 23 center.See figures.1.and.2, rotor end plates 23 can be formed as disc, rotor iron core 22 can be formed as cylindrical, the equal diameters of the diameter of rotor end plates 23 and rotor iron core 22, rotor end plates 23 is co-axially mounted on the upper-end surface of rotor iron core 22, the first through hole 222, the second through hole 232 does not all pass the central axis of rotor iron core 22 and rotor end plates 23, guide plate 231 is connected with the sidewall of the central axis of the adjacent rotor end plate 23 of the second through hole 232, and guide plate 231 is bottom-up to be tilted to extend towards the direction away from rotor end plates 23 central axis, thereby refrigerant in the first through hole 222 from bottom to top can flow out on the surface from the second through hole 232 along guide plate 231, tilt to extend towards the direction away from rotor end plates 23 central axis because guide plate 231 is bottom-up, tilt to flow out along the direction away from rotor end plates 23 central axis thereby refrigerant is bottom-up.
Can take refrigerator oil because the refrigerant after compression is bottom-up out of when mobile, to be formed as mist of oil fluid-mixing, mist of oil fluid-mixing is under the effect of guide plate 231, bottom-up tilt to flow out along the direction away from rotor end plates 23 central axis from the second through hole 232, can impact on the line bag 211 of stator 21, thereby play the effect that mist of oil separates, reduce the refrigerant discharge compressor 100 that is mixed with refrigerator oil, reduce the oil mass of telling of compressor 100.In addition, in order to reach better oily separating effect, the stator 21 that rotor collocation is used therewith can use Distributed Winding stator 21, in the time that mist of oil fluid-mixing is got on stator 21 line bags 211, can reach better oily separating effect.Certainly, the invention is not restricted to this, stator 21 can also be concentrated winding stator 21.
According to the compressor 100 of the embodiment of the present invention, by guide plate 231 is set in rotor end plates 23, thereby can carry out mist of oil effectively separates, and then reduce telling oil mass, especially reducing the oil mass of telling in 100 high frequencies whens operation of compressor of compressor 100, refrigerator oil is limited in compressor 100, improves efficiency and the reliability of compressor 100.In addition, rotor end plates 23 simple in structure, is convenient to processing and assembling.
In one embodiment of the invention, the second through hole 232 is the circumferential spaced apart distributions of multiple and multiple the second through holes 232 along rotor end plates 23, and guide plate 231 is multiple, and multiple guide plate 231 is corresponding one by one with multiple the second through holes 232.With reference to Fig. 2 and Fig. 5, in rotor end plates 23, be formed with six the second through holes 232 that run through, and six the second through holes 232 were upwards spaced apart from each other and evenly arrange in the week of rotor end plates 23, correspondingly, with reference to Fig. 3 and Fig. 4, on rotor iron core 22, be formed with six the first through holes 222 that run through, and six the first through holes 222 were upwards spaced apart from each other and evenly arrange in the week of rotor iron core 22, six the first through holes 222 and six the second through holes 232 are corresponding and communicate with each other one by one, on the sidewall of adjacent rotor end plate 23 central axis of each the second through hole 232, be respectively equipped with a guide plate 231, each guide plate 231 is all bottom-up to be tilted to extend towards the direction away from rotor end plates 23 central axis.Thus, can further improve mist of oil separating effect, reduce the oil mass of telling of compressor 100.
Here, it should be noted that, quantity, shape and the size of the first through hole 222, the second through hole 232, third through-hole 241 all can be according to actual requirement setting, to meet better actual requirement.
For example, distance R 1 between the other end upwards of the week that alternatively, the distance R 2 for example, in one end upwards of the week of the guide plate 231 A end of the example of Fig. 5 () and between rotor end plates 23 center the is greater than guide plate 231 B end of the example of Fig. 5 () and rotor end plates 23 center.For example, in the example of Fig. 5, the geomery of each the second through hole 232 is all identical, and be all formed as rectangle, the geomery of each guide plate 231 is all identical, all be formed as and each the second through hole 232 shapes, all identical rectangular plates of size, being connected with the second through hole 232 sidewalls of guide plate 231, and the two ends end points of sidewall is respectively terminal A and terminal B, distance between terminal A and rotor end plates 23 central axis is R2, distance between terminal B and rotor end plates 23 central axis is R1, in the time that rotor end plates 23 is rotated counterclockwise, terminal B is positioned at the upstream of terminal A, now construct R2 >=R1, in the time that rotor end plates 23 turns clockwise, terminal A is positioned at the upstream of terminal B, now construct R1 >=R2, thereby make the stressed increase of flow process away from rotor end plates 23 central directions, promote mist of oil separating effect.Here, it should be noted that, quantity, shape and the size of guide plate 231 all can be according to actual requirement setting, to meet better actual requirement.Preferably, guide plate 231 is one-body molded with rotor end plates 23.
In one embodiment of the invention, be formed with the cavity 223 unlimited towards a side of rotor end plates 23 on rotor, cavity 223 is all communicated with the first through hole 222 and the second through hole 232.Particularly, with reference to Fig. 6-Fig. 9, cavity 223 is formed on the rotor iron core 22 of rotor, and from the upper-end surface of rotor iron core 22 recessed forming downwards, and the top of cavity 223 is opened wide, the top of the first through hole 222 is connected with the bottom of cavity 223, and the bottom of the second through hole 232 is connected with the top of cavity 223, and the cross-section area of cavity 223 on horizontal plane is greater than total cross-section area and the whole second through hole 232 total cross-section area on horizontal plane of whole the first through holes 222 on horizontal plane.
Thus, when being mixed with after bottom-up outflow first through hole 222 of refrigerant of refrigerator oil, first enter cavity 223, because the cross-section area of cavity 223 is greater than the total cross-section area of whole the first through holes 222 on horizontal plane, thereby the flow velocity that is mixed with the refrigerant of refrigerator oil slows down, bump with the sidewall of cavity 223 and the diapire of rotor end plates 23 simultaneously, formation mist of oil separates, thereby reduce to flow into the refrigerant that is mixed with refrigerator oil in the second through hole 232, further reduce the oil mass of telling of compressor 100.
Alternatively, the height of cavity 223 is H
1, the height of rotor iron core 22 is H
2, wherein, 0.05 × H
2≤ H
1≤ 0.5 × H
2.Particularly, with reference to Figure 10, cavity 223 can be formed as isodiametric cylindrical, with reference to Figure 12, cavity 223 can also be formed as the cylindrical of reducing, that is to say, along the central axial direction of rotor iron core 22, the cross-section area of cavity 223 each At The Heights can be different, shape of cross section also can be different.Thus, can there is collision more tempestuously in the refrigerant entering in cavity 223, thereby further improved mist of oil separating effect on the sidewall of cavity 223.Here, it should be noted that, the shape of cavity 223 and size all can be according to actual requirement settings, and to meet better actual requirement, for example cavity 223 can also be formed as polygonal cylinder.In addition, for reaching better mist of oil separating effect, the cross-section area of cavity 223 need to do greatly as far as possible.
In some embodiments of the invention, with reference to Fig. 1, Fig. 6 and Figure 11, guide plate 231 is located at the side (example is upside as shown in Figure 1) away from rotor of rotor end plates 23, and guide plate 231 extends towards the direction away from rotor from inside to outside.Particularly, the lower end of guide plate 231 is connected with the sidewall of the second through hole 232, the upper end of guide plate 231 is bottom-up towards the direction inclination extension away from rotor end plates 23 central axis, in the time being formed with cavity 223 on rotor iron core 22, guide plate 231 is positioned at the top of cavity 223, thereby can play the effect that mist of oil separates.Here, it should be noted that, " interior " can be understood as the direction towards rotor center axis, and its opposite direction is defined as " outward ", away from the direction of rotor center axis.Wherein, guide plate 231 can extend along straight line, curve or broken line, and guide plate 231 is less than or equal to 90 ° with the angle of horizontal plane, thereby guide plate 231 can play better leading role, to realize better oily separating effect.
Certainly, the invention is not restricted to this, in other embodiments of the present invention, with reference to Figure 13, in the time being formed with cavity 223 on rotor iron core 22, guide plate 231 can also stretch in cavity 223, and guide plate 231 extends towards the direction away from compressing mechanism 3 from inside to outside.Particularly, the upper end of guide plate 231 is connected with the sidewall of the second through hole 232, the lower end of guide plate 231 from up to down tilts to extend towards the direction near rotor end plates 23 central axis, and the diapire of the lower end of guide plate 231 and cavity 223 is spaced apart from each other, thereby can play the effect that mist of oil separates.Wherein, guide plate 231 can extend along straight line, curve or broken line, and guide plate 231 is less than or equal to 90 ° with the angle of horizontal plane, and is preferably 45 °, thereby guide plate 231 can play better leading role, to realize better oily separating effect.
Alternatively, the center of rotor end plates 23 is formed with the through hole 233 of perforation.With reference to Fig. 5 and Fig. 7, through hole 233 runs through rotor end plates 23 center along the vertical direction, wherein the diameter of through hole 233 is D3, cavity 223 is positioned at the center on rotor iron core 22 tops, and the diameter of columniform cavity 223 is D1, on rotor iron core 22, be also formed with the mounting hole 224 running through along the vertical direction, mounting hole 224 is positioned at rotor iron core 22 center for bent axle is installed, wherein the first through hole 222, mounting hole 224, the second through hole 232, through hole 233 are all connected with cavity 223, and preferably, D1 >=D2, D1 >=D3.
Here, it should be noted that, through hole 233 is auxiliary hole, for having assisted assembly technology, when the diameter D3 of through hole 233 is done as far as possible little after, can ensure that the refrigerant major part in cavity 223 is all discharged from the second through hole 232, reduce the coolant quantity of discharging from through hole 233, and then the refrigerants that are mixed with refrigerator oil are got on stator 21 line bags 211 more, further improve and ensure mist of oil separating effect.
The compressor 100 of multiple embodiments according to the present invention is described below with reference to Fig. 1-Figure 14.
Embodiment one,
With reference to Fig. 1-Fig. 5, in rotor end plates 23, be formed with the through hole 233 and the second through hole 232 that run through, the sidewall of the second through hole 232 is provided with guide plate 231, the lower end of guide plate 231 is connected with the sidewall of the second through hole 232, the upper end of guide plate 231 is bottom-up to tilt to extend along straight line towards the direction away from rotor end plates 23 central axis, guide plate 231 is 45 ° with the angle of horizontal plane, rotor is rotated counterclockwise, distance between upstream end points and rotor end plates 23 central axis of the sidewall being connected with the second through hole 232 sidewalls of guide plate 231 is more than or equal to the distance between downstream end points and rotor end plates 23 central axis, thereby further make the stressed increase of flow process away from rotor center axial direction, promote mist of oil separating effect.
Thus, in the time that compressor 100 turns round, the fluid-mixing of refrigerant and refrigerator oil is upwards discharged from the first through hole 222, when by the second through hole 232, fluid-mixing is because the leading role of guide plate 231, upwards mobile time, flow towards the direction away from rotor axis, fluid-mixing is finally beaten on stator 21 line bags 211, cause refrigerator oil to separate with refrigerant mist of oil, refrigerator oil after separation converges, flow down along stator 21 line bags 211, then pass through stator slot, the bottom in compressor 100 is returned in the outer trimming of rotor gap and stator, reach good oil return effect.Wherein the outer trimming of stator slot and stator is prior art.
Embodiment two,
With reference to Fig. 6-Figure 10, the present embodiment and embodiment's one structure is roughly the same, and wherein identical parts adopt identical reference character, and difference is only: the top of the present embodiment two rotors is formed with cavity 223.
As shown in Figure 6, the top of rotor iron core 22 is formed with the cavity 223 that cross-section area is larger, cavity 223 is recessed downwards from the upper-end surface of rotor iron core 22, in the time that compressor 100 turns round, the fluid-mixing of refrigerant and refrigerator oil is upwards discharged from the first through hole 222, then flow in the cavity 223 that cross-section area is larger, the flow area of fluid-mixing increases, thereby the Speed Reduction of fluid-mixing, and fluid-mixing bumps with the inwall of cavity 223 and the diapire of rotor end plates 23 simultaneously, form the effect that primary mist of oil separates, now part refrigerator oil separates with refrigerant and forms compared with larger oil droplet, this part oil droplet because of volume larger, part oil droplet can be back to from the inwall of the first through hole 222 and mounting hole 224 bottom of compressor 100 housings 1 downwards, another part oil droplet is easy to be attached on stator 21 line bags 211 or housing 1 inwall of compressor 100 going out after rotor end plates 23, thereby be also back to the bottom of housing 1.
The fluid-mixing of all the other refrigerants and refrigerator oil flows out from the second through hole 232, due to the leading role of guide plate 231, beats on stator 21 line bags 211, has played the effect that secondary mist of oil separates.In addition, because of the fluid-mixing process rotor gap of refrigerant and refrigerator oil, thereby also can realize by the fluid-mixing of rotor gap portion the effect that mist of oil separates.
Embodiment three,
With reference to Figure 11 and Figure 12, the present embodiment and embodiment's two structure is roughly the same, and wherein identical parts adopt identical reference character, and difference is only: the shape difference of cavity 223.Particularly, rotor iron core 22 is formed as irregularly shaped, and variable cross section is cylindrical, thus, can increase the collision of fluid-mixing and cavity 223 inwalls of refrigerant and refrigerator oil, improves mist of oil separating effect.
Embodiment four,
With reference to Figure 13 and Figure 14, the present embodiment and embodiment's two structure is roughly the same, and wherein identical parts adopt identical reference character, and difference is only: guide plate 231 towards difference.
With reference to Figure 13, guide plate 231 extends downwards and towards rotor end plates 23 central axis from the interior sidewall surface of the second through hole 232, and the angle between guide plate 231 and rotor end plates 23 is 135 °.Thus, can further dwindle the space taking of rotor end plates 23, and because guide plate 231 is located in cavity 223, thereby improve the Safety performance of compressor 100.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of instructions such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly 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, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " 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, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiments in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiments that describe in this specification or example and different embodiment or example.
Claims (10)
1. a compressor, is characterized in that, comprising:
Housing;
Compressing mechanism, described compressing mechanism is located in described housing;
Motor, described motor is located in described housing and is connected with described compressing mechanism, and described motor comprises stator and rotor, is formed with the first through hole of perforation on described rotor; And
Rotor end plates, described rotor end plates is located at one end away from described compressing mechanism of described rotor, in described rotor end plates, be formed with the second through hole being communicated with described the first through hole, the sidewall at the center of the described rotor end plates of vicinity of wherein said the second through hole is provided with guide plate so that the gas mixture in described the first through hole is derived towards the direction of the sidewall of described housing.
2. compressor according to claim 1, is characterized in that, described guide plate is located at the side away from described rotor of described rotor end plates, and described guide plate extends towards the direction away from described rotor from inside to outside.
3. compressor according to claim 2, is characterized in that, described guide plate extends towards the direction straight line away from described rotor, broken line or curve from inside to outside.
4. compressor according to claim 1, is characterized in that, the distance between the week that the distance between the week of described guide plate one end and the center of described rotor end plates is upwards the greater than described guide plate the other end and the center of described rotor end plates upwards.
5. compressor according to claim 1, is characterized in that, described the second through hole is the circumferential spaced apart distribution of multiple and described multiple the second through hole along described rotor end plates,
Described guide plate is multiple, and described multiple guide plate is corresponding one by one with described multiple the second through holes.
6. according to the compressor described in any one in claim 1-5, it is characterized in that, be formed with the cavity unlimited towards a side of described rotor end plates on described rotor, described cavity is all communicated with described the first through hole and described the second through hole.
7. compressor according to claim 6, is characterized in that, described guide plate stretches in described cavity, and described guide plate extends towards the direction away from described compressing mechanism from inside to outside.
8. compressor according to claim 7, is characterized in that, the diapire of described guide plate and described cavity is spaced apart from each other.
9. compressor according to claim 6, is characterized in that, described cavity is formed on the rotor iron core of described rotor, the height H of wherein said cavity
1meet:
0.05×H
2≤H
1≤0.5×H
2
Wherein, described H
2for the height of described rotor iron core.
10. compressor according to claim 1, is characterized in that, the center of described rotor end plates is formed with the through hole of perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378180.7A CN104165132B (en) | 2014-08-01 | 2014-08-01 | Compressor |
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|---|---|---|---|
| CN201410378180.7A CN104165132B (en) | 2014-08-01 | 2014-08-01 | Compressor |
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| CN104165132A true CN104165132A (en) | 2014-11-26 |
| CN104165132B CN104165132B (en) | 2017-02-22 |
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| CN201410378180.7A Active CN104165132B (en) | 2014-08-01 | 2014-08-01 | Compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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|---|---|
| CN104165132B (en) | 2017-02-22 |
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