CN105634224A - Compressor rotor and compressor - Google Patents
Compressor rotor and compressor Download PDFInfo
- Publication number
- CN105634224A CN105634224A CN201610104696.1A CN201610104696A CN105634224A CN 105634224 A CN105634224 A CN 105634224A CN 201610104696 A CN201610104696 A CN 201610104696A CN 105634224 A CN105634224 A CN 105634224A
- Authority
- CN
- China
- Prior art keywords
- teeth portion
- compressor
- rotor
- compressor drum
- recess
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
- H02K1/325—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium between salient poles
Abstract
The invention relates to a compressor rotor and a compressor. The compressor rotor comprises an inner rotor and an outer rotor, wherein first toothed parts are arranged on the outer ring of the inner rotor in the circumferential direction; second toothed parts are arranged on the inner ring of the outer rotor in the circumferential direction; the inner rotor is assembled in the outer rotor; the first toothed parts and the second toothed parts are axially aligned, so that refrigerant channels are formed between first concave parts that are positioned between the first toothed parts and second concave parts that are positioned between the second toothed parts; and noise reduction cavities are formed in the refrigerant channels. According to the compressor rotor, the first toothed parts are arranged on the outer ring of the inner rotor in the circumferential direction; the second toothed parts are arranged on the inner ring of the outer rotor in the circumferential direction; the first toothed parts and the second toothed parts are axially aligned, so that the first concave parts between the first toothed parts and the second concave parts between the second toothed parts are axially aligned to correspondingly form the refrigerant channels with the noise reduction cavities; due to the noise reduction cavities, the refrigerant pneumatic noise is lowered, so that the pulsation noise of the compressor refrigerant is weakened; and in addition, the compressor rotor is compact in structure and easy to implement.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of compressor drum and compressor.
Background technology
For DC frequency-changeable compressor, rotor is iron core and built-in permanent magnet structure, and stator is iron core and winding construction. During compressor operation, there is the action of a magnetic field between rotor, tangential electromagnetic force, axial electromagnetic force that compressor drum bears are relatively big, and electromagnetic force can cause compressor drum and pump body structure vibration, thus driving the vibration of compressor housing, liquor separator, radiated noise. And, coolant from the pump housing discharge time, aerodynamic noise can be produced.
Summary of the invention
For overcoming above technological deficiency, present invention solves the technical problem that and be to provide a kind of compressor drum and compressor, it is possible to reduce vibration of compressor and the aerodynamic noise of coolant flowing.
For solving above-mentioned technical problem, the invention provides a kind of compressor drum, it includes internal rotor and outer rotor, the outer ring of internal rotor is provided with the first teeth portion in the circumferential, the inner ring of outer rotor is provided with the second teeth portion in the circumferential, and internal rotor is assemblied in outer rotor, and the first teeth portion and the second teeth portion are directed in the axial direction, make the second recess between the first recess between the first teeth portion and the second teeth portion form refrigerant passage, in refrigerant passage, be formed with silencing cavity.
Further, silencing cavity is configured to be positioned at refrigerant passage middle section size stepped cavity broad in the middle small in ends.
Further, refrigerant passage includes runner, and silencing cavity is configured to the cavity communicated with runner.
Further, the damping damping layer being made up of damping material it is provided with between internal rotor and outer rotor.
Further, the interface of internal rotor and outer rotor having prepsetting gap along the first teeth portion or the second teeth portion, prepsetting gap is 1mm��2mm.
Further, refrigerant passage is formed by the damping damping layer cladding being arranged in the first recess and the second recess.
Further, the first teeth portion and the second teeth portion are directed in the axial direction and form axial fastening.
Further, two the first teeth portion respectively with the axial both sides of the second teeth portion against, or, two the second teeth portion respectively with the axial both sides of the first teeth portion against.
Further, also including keeper, the first teeth portion and the second teeth portion are respectively equipped with the first hole, location and the second hole, location, and keeper is circumferentially positioned to realize through the first hole, location and the second hole, location.
Further, also including the main balance weight and the pair balance weight that are separately positioned on outer roller axial two ends, main balance weight and secondary balance weight are equipped with coolant through hole, and the first recess and the second recess are collectively forming silencing cavity with coolant through hole.
Further, respectively and it is provided with damping damping layer between main balance weight and secondary balance weight at internal rotor or outer rotor.
Present invention also offers a kind of compressor, it includes above-mentioned compressor drum.
Thus, based on technique scheme, compressor drum of the present invention by arranging the first teeth portion and the second teeth portion respectively in the circumferential in the inner circle of the cylindrical of internal rotor and outer rotor, first teeth portion and the second teeth portion are directed in the axial direction, the second recess between the first recess between the first teeth portion and the second teeth portion is correspondingly made in being directed in the axial direction to be formed, to be provided with the refrigerant passage of silencing cavity, silencing cavity can reduce coolant aerodynamic noise, thus weakening the pulsations of compressor coolant, reduce vibration of compressor, compact conformation, it is easy to accomplish. Compressor provided by the invention also has above-mentioned useful technique effect.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is only used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
The entirety of Fig. 1 and Fig. 2 respectively compressor drum of the present invention and the structural representation of split;
Fig. 3 is the solid assembling schematic diagram of compressor drum of the present invention;
Fig. 4 is structural representation during internal rotor insertion outer rotor in compressor drum of the present invention;
Fig. 5 is that in compressor drum of the present invention, internal rotor inserts the structural representation that outer rotor puts in place;
Fig. 6 is the compressor drum of the present invention structural representation at a depression angle;
Fig. 7 is the cross-sectional view at one embodiment of compressor drum of the present invention A location A place in figure 6;
Fig. 8 is the cross-sectional view at another embodiment of compressor drum of the present invention A location A place in figure 6;
Fig. 9 is the cross-sectional view at one embodiment of compressor drum of the present invention B B location place in figure 6;
Figure 10 is the structural representation of one embodiment of compressor of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
The specific embodiment of the present invention is for the ease of the design of the present invention, the technical characteristic being solved the technical problem that, constituting technical scheme and the technique effect brought are had further description. It should be noted that the explanation for these embodiments is not intended that limitation of the invention. As long as just can be mutually combined additionally, the technical characteristic related in the embodiment of present invention described below does not constitute conflict each other.
It is found by the applicant that existing vibration of compressor is relatively big and can produce aerodynamic noise when coolant is discharged from the pump housing, based on this technological deficiency, applicant devises a kind of compressor drum, this compressor drum by arranging the first teeth portion and the second teeth portion respectively in the circumferential in the inner circle of the cylindrical of internal rotor and outer rotor, first teeth portion and the second teeth portion are directed in the axial direction, the second recess between the first recess between the first teeth portion and the second teeth portion is correspondingly made in being directed in the axial direction to be formed, to be provided with the refrigerant passage of silencing cavity, silencing cavity can reduce coolant aerodynamic noise, thus weakening the pulsations of compressor coolant, reduce vibration of compressor, compact conformation, it is easily achieved.
In one schematic embodiment of compressor drum of the present invention, as shown in Fig. 1��9, compressor drum includes internal rotor 1 and outer rotor 2, the outer ring of internal rotor 2 is provided with the first teeth portion 11 in the circumferential, the inner ring of outer rotor 2 is provided with the second teeth portion 21 in the circumferential, magnet steel 6 it is provided with in outer rotor 2, internal rotor 1 is assemblied in outer rotor 2, first teeth portion 11 and the second teeth portion 21 are directed in the axial direction, make the second recess 22 between the first recess 12 and the second teeth portion 21 between the first teeth portion 11 form refrigerant passage 8, in refrigerant passage 8, be formed with silencing cavity S, S '.
In this schematic embodiment, as shown in Fig. 1��Fig. 9, by arranging the first teeth portion 11 and the second teeth portion 21 in the circumferential in the inner circle of the cylindrical of internal rotor 1 and outer rotor 2 respectively, first teeth portion 11 and the second teeth portion 21 are directed in the axial direction, the second recess 22 between the first recess 12 and the second teeth portion 21 between the first teeth portion 11 is correspondingly made to be provided with silencing cavity S in being directed in the axial direction to be formed, the refrigerant passage 8 of S ', what the first recess 12 being directed at and the second recess 22 were refrigerant passage 8 provides space, and silencing cavity is set in refrigerant passage 8 and can reduce coolant aerodynamic noise, thus weakening the pulsations of compressor coolant, reduce vibration of compressor, compact conformation, it is easily achieved. and the first teeth portion 11 and the second teeth portion 21 are directed at the concentricity advantageously ensuring that inner and outer rotors in the axial direction, reduce the probability of main shaft and rotor retirement.
A kind of preferred implementation as silencing cavity, as shown in Figure 7 and Figure 8, silencing cavity S is configured to be positioned at refrigerant passage 8 middle section size stepped cavity broad in the middle small in ends, that is silencing cavity S, the S ' in stepped cavity forms expansion tubular type noise-reducing structure, it utilizes the reflection sound wave because silencing cavity changes of section causes and incident acoustic wave cancellation to reduce pulsations, having sound-deadening and noise-reducing effect obvious, and be prone to processing, exploitativeness is higher.
As the another kind of preferred implementation of silencing cavity, refrigerant passage includes runner (not shown), and silencing cavity is configured to the cavity communicated with runner, and cavity is arranged on the side of runner. That is be that the silencing cavity of cavity bypasses formation collateral branch tubular type resonance noise-reducing structure mutually with the runner of side, utilize the coolant in bypass and the resonance of the coolant in runner to eliminate the pulsations of part coolant, sound-deadening and noise-reducing effect is obvious.
Certainly, silencing cavity can also is that the cavity body structure with sound-deadening and noise-reducing function of other routines, numerous to list herein.
In one preferred embodiment of compressor drum of the present invention, as shown in Fig. 2 and Fig. 3 and Fig. 6��Fig. 9, between internal rotor 1 and outer rotor 2, it is provided with the damping damping layer 3 being made up of damping material. Damping damping layer 3 can improve the damping between internal rotor 1 and outer rotor 2, thus reducing the electromagnetic excitation being delivered to internal rotor 1 by outer rotor 2, thus reducing the vibration of main shaft, thus reducing the component vibration such as compressor pump, housing, reducing the radiation of compressor noise. Wherein, damping damping layer 3 can be formed preferably by an injection moulding in the gap between internal rotor 1 and outer rotor 2, is so prone to processing.
As to above-described embodiment it is preferred that, as it is shown in figure 9, have prepsetting gap along the first teeth portion 21 or the second teeth portion 21 on the interface of internal rotor 1 and outer rotor 2, prepsetting gap is 1mm��2mm. In this preferred numerical range, damping damping layer 3 can not only be delivered to the electromagnetic excitation of internal rotor 1 effectively by outer rotor 2, but also can guarantee that the thickness that damping damping layer 3 is suitable, is conducive to light-weight design, saves material.
As the further improvement to above-described embodiment, as shown in Figure 7 and Figure 8, refrigerant passage 8 is coated with by the damping damping layer 3 being arranged in the first recess 12 and the second recess 22 and is formed. It is coated with the refrigerant passage 8 formed by damping damping layer 3 and can change the volume of the silencing cavity in refrigerant passage 8 by change damping damping layer 3 volume in the first recess 12 and the second recess 22, thus being conducive to revising the acoustic damping characteristic of silencing cavity, thus reach best sound-deadening and noise-reducing effect. Not isometric silencing cavity can be passed through to arrange different size of cylindricality frock in the first recess 12 and the second recess 22 and fill, and extracting this cylindricality frock after injection moulding completes can be formed. The damping damping layer 3 of injection moulding is used not only for damping, but also can form not isometric silencing cavity, and exploitativeness is higher, it is easy to implement.
In order to ensure the axial location between internal rotor 1 and outer rotor 2, in a preferred embodiment, as shown in Fig. 1 and Fig. 9, the first teeth portion 11 and the second teeth portion 21 are directed at and are formed axially fastening in the axial direction. Axially aligning and formed axial fastening by the first teeth portion 11 and the second teeth portion 21, internal rotor 1 is reliably mounted in outer rotor 2.
As a kind of implementation axially fastened, as illustrated in figures 1 and 8, two the first teeth portion 11 respectively with the axial both sides of the second teeth portion 21 against, the second teeth portion 21 is positioned at two the first teeth portion 11 and forms axial constraint, compact conformation, and constraint reliability is high. Or, two the second teeth portion 21 respectively with the axial both sides of the first teeth portion 11 against.
Internal rotor 1 is arranged on the installation process in outer rotor 2 as shown in Figure 5 and Figure 6, as shown in Figure 5, during assembling, internal rotor 1 and outer rotor 2 centerline collineation, corresponding second recess 22 of first teeth portion 11, inserts outer rotor 2, from top to bottom when the relative position of internal rotor 1 and outer rotor 2 meets design requirement, internal rotor 1 rotating so that the first teeth portion 11 and the second teeth portion 21 axially aligns, the first recess 12 and the second recess 22 axially align.
It is of course also possible to realize axial fastening by arranging multiple first teeth portion 11 and the staggered in the axial direction constraint of the second teeth portion 21.
Further, as shown in Figures 2 and 3, compressor drum also includes keeper 7, and the first teeth portion 11 and the second teeth portion 21 are respectively equipped with the first hole, location 13 and the second hole 23, location, and keeper 7 is circumferentially positioned to realize through the first hole, location 13 and the second hole 23, location. Can realizing circumferentially positioned by keeper 7 through the first hole, location 13 and the second hole 23, location, thus ensureing axial, the radial direction of internal rotor 1 and outer rotor 2 and circumferentially positioned rigidity, there is higher reliability.
Further improvement as above-described embodiment, as shown in Fig. 2, Fig. 3 and Fig. 6��Fig. 9, compressor drum also includes the main balance weight 5 and the pair balance weight 4 that are separately positioned on the axial two ends of outer rotor 2, main balance weight 5 and secondary balance weight 4 are equipped with coolant through hole 9, first recess 12 and the second recess 22 are collectively forming silencing cavity S, S ' with coolant through hole 9 hole, the sectional dimension of coolant through hole 9 is designed to the sectional dimension less than refrigerant passage 8, thus forming stepped cavity to be used as silencing cavity, being prone to processing, exploitativeness is higher.
Further, as shown in Fig. 7��Fig. 9, respectively and it is provided with damping damping layer 3 between main balance weight 5 and secondary balance weight 4 at internal rotor 1 or outer rotor 2. Main balance weight 5 and secondary balance weight 4 are equipped with the hole 10, balance location of keeper 7 traverse. By respectively and arranging damping damping layer 3 between main balance weight 5 and secondary balance weight 4 at internal rotor 1 or outer rotor 2, damping damping layer 3 is able to ensure that internal rotor 1 will not pass through main balance weight 5 with outer rotor 2 and form hard contact with secondary balance weight 4, transmits with damping vibration.
Present invention also offers a kind of compressor, it includes above-mentioned compressor drum. Owing to compressor drum of the present invention can reduce the aerodynamic noise of coolant flowing, correspondingly, compressor of the present invention also has above-mentioned Advantageous Effects, does not repeat them here. In particular, compressor drum of the present invention is preferably adapted for rotor compressor, it is also possible to be applied to the refrigeration compressor such as screw compressor, piston compressor.
In one specific embodiment of compressor of the present invention, as shown in Figure 10, compressor includes rotor 100 and stator 200.
Above in association with embodiment embodiments of the present invention are described in detail, but the present invention is not limited to described embodiment. For a person skilled in the art, these embodiments carry out multiple change, amendment when without departing from principles of the invention and connotation, equivalence is replaced and modification still falls within protection scope of the present invention.
Claims (12)
1. a compressor drum, it is characterized in that, including internal rotor (1) and outer rotor (2), the outer ring of described internal rotor (2) is provided with the first teeth portion (11) in the circumferential, the inner ring of described outer rotor (2) is provided with the second teeth portion (21) in the circumferential, described internal rotor (1) is assemblied in described outer rotor (2), described first teeth portion (11) and described second teeth portion (21) are directed in the axial direction, the second recess (22) between the first recess (12) between described first teeth portion (11) and described second teeth portion (21) is made to form refrigerant passage (8), described refrigerant passage is formed with silencing cavity (S in (8), S ').
2. compressor drum according to claim 1, it is characterised in that described silencing cavity (S, S ') is configured to be positioned at described refrigerant passage (8) middle section size stepped cavity broad in the middle small in ends.
3. compressor drum according to claim 1, it is characterised in that described refrigerant passage (8) includes runner, described silencing cavity is configured to the cavity communicated with described runner.
4. compressor drum according to claim 1, it is characterised in that be provided with the damping damping layer (3) being made up of damping material between described internal rotor (1) and described outer rotor (2).
5. compressor drum according to claim 4, it is characterized in that, having prepsetting gap along described first teeth portion (11) or the second teeth portion (21) on the interface of described internal rotor (1) and described outer rotor (2), described prepsetting gap is 1mm��2mm.
6. compressor drum according to claim 4, it is characterized in that, described refrigerant passage (8) is formed by described damping damping layer (3) cladding being arranged in described first recess (12) and described second recess (22).
7. compressor drum according to claim 1, it is characterised in that described first teeth portion (11) and described second teeth portion (21) are directed at and are formed axially fastening in the axial direction.
8. compressor drum according to claim 7, it is characterized in that, two described first teeth portion (11) respectively with the axial both sides of described second teeth portion (21) against, or, two described second teeth portion (21) respectively with the axial both sides of described first teeth portion (11) against.
9. compressor drum according to claim 1, it is characterized in that, also include keeper (7), described first teeth portion (11) and described second teeth portion (21) are respectively equipped with the first hole, location (13) and the second hole, location (23), and described keeper (7) is circumferentially positioned to realize through described first hole, location (13) and described second hole, location (23).
10. compressor drum according to claim 1, it is characterized in that, also include being separately positioned on the main balance weight (5) at described outer rotor (2) axially two ends and secondary balance weight (4), described main balance weight (5) and described secondary balance weight (4) are equipped with coolant through hole (9), described first recess (12) and described second recess (22) and are collectively forming described silencing cavity (S, S ') with described coolant through hole (9).
11. compressor drum according to claim 10, it is characterized in that, respectively and be provided with described damping damping layer (3) between described main balance weight (5) and described secondary balance weight (4) at described internal rotor (1) or described outer rotor (2).
12. a compressor, it is characterised in that include the compressor drum (100) described in any one of claim 1��11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610104696.1A CN105634224B (en) | 2016-02-25 | 2016-02-25 | Compressor drum and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610104696.1A CN105634224B (en) | 2016-02-25 | 2016-02-25 | Compressor drum and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105634224A true CN105634224A (en) | 2016-06-01 |
| CN105634224B CN105634224B (en) | 2017-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610104696.1A Active CN105634224B (en) | 2016-02-25 | 2016-02-25 | Compressor drum and compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN105634224B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015010A (en) * | 2016-07-04 | 2016-10-12 | 珠海凌达压缩机有限公司 | Compressor stator and compressor |
| CN107294245A (en) * | 2017-07-03 | 2017-10-24 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011041399A (en) * | 2009-08-11 | 2011-02-24 | Panasonic Electric Works Co Ltd | Rotation motor, pump using the rotation motor as drive source, and dish washer, water heater and washing machine, which have pump |
| KR20120096637A (en) * | 2011-02-23 | 2012-08-31 | 주식회사 고아정공 | Double rotor and single stator type bldc motor |
| CN203813628U (en) * | 2014-03-12 | 2014-09-03 | 珠海凌达压缩机有限公司 | Horizontal compressor |
| CN203962399U (en) * | 2014-07-01 | 2014-11-26 | 广东美芝精密制造有限公司 | Rolling rotor type compressor |
| CN204476763U (en) * | 2015-02-03 | 2015-07-15 | 珠海格力电器股份有限公司 | Twin-stage rotor-type compressor and air conditioner |
| CN205407540U (en) * | 2016-02-25 | 2016-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor rotor and compressor |
-
2016
- 2016-02-25 CN CN201610104696.1A patent/CN105634224B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011041399A (en) * | 2009-08-11 | 2011-02-24 | Panasonic Electric Works Co Ltd | Rotation motor, pump using the rotation motor as drive source, and dish washer, water heater and washing machine, which have pump |
| KR20120096637A (en) * | 2011-02-23 | 2012-08-31 | 주식회사 고아정공 | Double rotor and single stator type bldc motor |
| CN203813628U (en) * | 2014-03-12 | 2014-09-03 | 珠海凌达压缩机有限公司 | Horizontal compressor |
| CN203962399U (en) * | 2014-07-01 | 2014-11-26 | 广东美芝精密制造有限公司 | Rolling rotor type compressor |
| CN204476763U (en) * | 2015-02-03 | 2015-07-15 | 珠海格力电器股份有限公司 | Twin-stage rotor-type compressor and air conditioner |
| CN205407540U (en) * | 2016-02-25 | 2016-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor rotor and compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015010A (en) * | 2016-07-04 | 2016-10-12 | 珠海凌达压缩机有限公司 | Compressor stator and compressor |
| CN106015010B (en) * | 2016-07-04 | 2019-02-26 | 珠海凌达压缩机有限公司 | Compressor stator and compressor |
| CN107294245A (en) * | 2017-07-03 | 2017-10-24 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105634224B (en) | 2017-12-15 |
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