CN203962396U - Cooling cycle system and external rotor rotary compressor thereof - Google Patents
Cooling cycle system and external rotor rotary compressor thereof Download PDFInfo
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- CN203962396U CN203962396U CN201420324355.1U CN201420324355U CN203962396U CN 203962396 U CN203962396 U CN 203962396U CN 201420324355 U CN201420324355 U CN 201420324355U CN 203962396 U CN203962396 U CN 203962396U
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Abstract
The utility model discloses a kind of cooling cycle system and external rotor rotary compressor thereof, described external rotor rotary compressor comprises: housing, motor and compressing mechanism, motor is located in housing, and motor comprises stator and rotor, and rotor is located at outside stator rotationally; Compressing mechanism comprises bent axle and main bearing, bent axle and rotor are fixed, main bearing comprises body, is located at the first shaft part and the second shaft part body top and that be upwards connected successively vertically, the transverse dimension of the first shaft part is greater than the transverse dimension of the second shaft part, wherein stator is fixed on the second shaft part, and the bottom supporting of stator is on the upper-end surface of the first shaft part.According to external rotor rotary compressor of the present utility model, simple to operate, greatly reduce the cost of external rotor rotary compressor, and reduced the rear possibility that fatigue fracture easily occurs of wheel hub lengthening of main bearing, thereby improved the reliability of this kind of stator means of fixation.
Description
Technical field
The utility model relates to art of refrigeration units, especially relates to a kind of cooling cycle system and external rotor rotary compressor thereof.
Background technique
In correlation technique, point out, the fixed form operation of the stator of the motor of traditional external rotor rotary compressor is complicated, and cost is higher.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, an object of the present utility model is to propose a kind of external rotor rotary compressor, and the fixed form operation of the stator of the motor of described external rotor rotary compressor is simple, and cost is low.
Another object of the present utility model is to propose a kind of cooling cycle system with above-mentioned external rotor rotary compressor.
External rotor rotary compressor according to the utility model first aspect, comprising: housing; Motor, described motor is located in described housing, and described motor comprises stator and rotor, and described rotor is located at outside described stator rotationally; And compressing mechanism, described compressing mechanism comprises bent axle and main bearing, described bent axle and described rotor are fixed, described main bearing comprises body, is located at described body the first shaft part and the second shaft part top and that be upwards connected successively vertically, the transverse dimension of described the first shaft part is greater than the transverse dimension of described the second shaft part, wherein said stator is fixed on described the second shaft part, and the bottom supporting of described stator is on the upper-end surface of described the first shaft part.
According to external rotor rotary compressor of the present utility model, by the stator of motor is directly fixed on main bearing, simple to operate, greatly reduced the cost of external rotor rotary compressor, and because the bottom surface of stator can be supported on the upper-end surface of the first shaft part, the wheel hub that has reduced main bearing lengthens the rear possibility that fatigue fracture easily occurs, thereby has improved the reliability of this kind of stator means of fixation.
Alternatively, the upper-end surface of described stator is concordant with the upper-end surface of described the second shaft part.
Alternatively, described stator and described the second shaft part adopt the mode of crimping, welding or hot jacket to fix.
Particularly, described rotor comprises rotor shell and iron core, the bottom-open of described rotor shell, and described iron core is fixed on the inner circle wall of described rotor shell.
Alternatively, the refrigerant in described external rotor rotary compressor is HCFC, HFC or HC class refrigerant.
Cooling cycle system according to the utility model second aspect, comprising: according to the external rotor rotary compressor of the above-mentioned first aspect of the utility model; Condenser, one end of described condenser is connected with the relief opening of described external rotor rotary compressor; Vaporizer, one end of described vaporizer is connected with the intakeport of described external rotor rotary compressor; And throttling arrangement, described throttling arrangement is connected between the other end of described condenser and the other end of described vaporizer.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is according to the schematic diagram of the utility model embodiment's external rotor rotary compressor.
Reference character:
100: external rotor rotary compressor;
1: housing; 21: stator; 22: rotor;
221: rotor shell; 222: iron core;
31: bent axle; 311: eccentric part; 32: main bearing;
321: body; 322: the first shaft parts; 323: the second shaft parts;
33: cylinder; 34: supplementary bearing; 35: piston.
Embodiment
Describe embodiment of the present utility model 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.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " laterally ", " length ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axially ", " radially ", orientation or the position relationship of indications such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1, describe according to the utility model first aspect embodiment's external rotor rotary compressor 100, external rotor rotary compressor 100 can vertical compressor.In description below the application, in addition rotor rotary compressor 100 for vertical compressor be that example describes.Certainly, those skilled in the art are appreciated that according to external rotor rotary compressor 100 of the present utility model can also be horizontal compressor (scheming not shown).
As shown in Figure 1, the external rotor rotary compressor 100 according to the utility model first aspect embodiment, comprises housing 1, motor and compressing mechanism.
It should be noted that, the vertical compressor here, with respect to horizontal compressor, that is to say, the spin axis of bent axle 31 and the holding plane of compressor in horizontal compressor are parallel, correspondingly, the spin axis of the bent axle in vertical compressor 31 is vertical with its holding plane.
With reference to Fig. 1, housing 1 is vertically placed, and motor and compressing mechanism are all located in housing 1, and for example motor can be arranged in the top in housing 1, compressing mechanism is arranged in the bottom in housing 1, and compressing mechanism drives that by motor the refrigerant entering in the compression chamber of compressing mechanism is compressed.
Motor comprises stator 21 and rotor 22, as shown in Figure 1, rotor 22 is located at outside stator 21 rotationally, particularly, rotor 22 comprises rotor shell 221 and iron core 222, the bottom-open of rotor shell 221, now the longitudinal cross-section shape of rotor shell 221 roughly becomes inverted U, thereby stator 21 can be put into rotor shell 221 bottom-uply, the top of rotor shell 221 is formed with the fixed hole of perforation, the bent axle 31 of compressing mechanism can and be fixed with the inner circle wall of fixed hole through this fixed hole, after having assembled, bent axle 31 is fixed with respect to rotor shell 221, iron core 222 is fixed on the inner circle wall of rotor shell 221.Now iron core 222 is between stator 21 and the inner circle wall of rotor shell 221.It should be noted that the outside that is arranged on stator 21 due to rotor 22, thus the periphery of rotor 22 should and the inner circle wall of housing 1 between leave gap so that rotor 22 rotates around spin axis.Thus, by the rotor of motor 22 being placed in to outside, stator 21 is placed in inner side, has greatly reduced volume and the height of motor.
With reference to Fig. 1, compressing mechanism comprises main bearing 32, cylinder 33, supplementary bearing 34, bent axle 31, piston 35 and slide plate (scheming not shown), on cylinder 33, be formed with the vane slot radially extending, slide plate can be located in vane slot movably by spring (scheming not shown), the two ends that main bearing 32 and supplementary bearing 34 are located at respectively cylinder 33 (for example, top and bottom in Fig. 1), and main bearing 32, between supplementary bearing 34 and cylinder 33, limit compression chamber, the top of bent axle 31 and rotor 22 are fixing, the lower end of bent axle 31 is successively through main bearing 32, cylinder 33 and supplementary bearing 34, on bent axle 31, there is eccentric part 311, eccentric part 311 corresponding matching are in compression chamber, piston 35 is set on eccentric part 311, slide plate is suitable for only supporting with the periphery wall of piston 35, when 100 work of external rotor rotary compressor, bent axle 31 can be driven and be rotated around spin axis by rotor 22, thereby the piston 35 on drive eccentric part 311 rolls along the inwall of compression chamber, thus, can compress the refrigerant entering in compression chamber.Wherein, at the refrigerant of housing 1 internal work, can be any one in HCFC, HFC, HC class, but be not limited to this.
Particularly, as shown in Figure 1, main bearing 32 comprises body 321 (being flange part), be located at the first shaft part 322 and the second shaft part 323 body 321 tops and that be upwards connected successively vertically, wherein, the first shaft part 322 and the second shaft part 323 can be referred to as wheel hub, that is to say, from top to bottom, the second shaft part 323, the first shaft part 322 is axially connected successively with body 321, and the transverse dimension of the first shaft part 322 is greater than the transverse dimension of the second shaft part 323, wherein, stator 21 is fixed on the second shaft part 323, for example, stator 21 can adopt crimping with the second shaft part 323, the mode of welding or hot jacket is fixed, the bottom supporting of stator 21 is on the upper-end surface of the first shaft part 322, thereby the first 322 pairs of shaft parts stator 21 has a support force making progress, the wheel hub that has reduced main bearing 32 lengthens the rear possibility that fatigue fracture easily occurs, and then improved the reliability of this kind of stator 21 means of fixation.In addition, by stator 21 is directly fixed on main bearing 32, simple, and greatly reduced the cost of external rotor rotary compressor 100.
According to the utility model embodiment's external rotor rotary compressor 100, by the stator of motor 21 is directly fixed on main bearing 32, simple to operate, greatly reduced the cost of external rotor rotary compressor 100, and because the bottom surface of stator 21 can be supported on the upper-end surface of the first shaft part 322, the wheel hub that has reduced main bearing 32 lengthens the rear possibility that fatigue fracture easily occurs, thereby has improved the reliability of this kind of stator 21 means of fixation.
With reference to Fig. 1, the upper-end surface of stator 21 is concordant with the upper-end surface of the second shaft part 323, and now the connecting length between stator 21 and the second shaft part 323 is longer, thereby has improved the join strength of stator 21 and the second shaft part 323.
According to the utility model second aspect embodiment's cooling cycle system (scheming not shown), comprise external rotor rotary compressor 100, condenser, vaporizer and throttling arrangement according to the above-mentioned first aspect embodiment of the utility model.
For example, one end of condenser is connected with the relief opening of external rotor rotary compressor 100, so that the refrigerant after compression can enter in condenser by relief opening, one end of vaporizer is connected with the intakeport of external rotor rotary compressor 100, thereby can enter in external rotor rotary compressor 100 from intakeport from vaporizer gas out, throttling arrangement is connected between the other end of condenser and the other end of vaporizer, with to carrying out reducing pressure by regulating flow from condenser high pressure refrigerant out, alternatively, throttling arrangement is capillary tube or expansion valve.Wherein, the refrigerant of rotor rotary compressor 100 internal works outside, can be any one in HCFC, HFC, HC class, but be not limited to this.
During cooling cycle system work, the High Temperature High Pressure refrigerant of discharging from exhaust outlet of compressor enters condensation condenser, then from condenser high pressure refrigerant out by throttling arrangement by reducing pressure by regulating flow, become low-pressure, liquid refrigerant, liquid refrigerant after reducing pressure by regulating flow enters vaporizer, from environment for example air heat absorption flash to gas, realize refrigeration, then gaseous refrigerant enters into compressor inside by the intakeport of compressor again, so moves in circles.
According to the utility model embodiment's cooling cycle system, by above-mentioned first aspect embodiment's external rotor rotary compressor 100 is set, simple to operate, thus improved the fixed efficiency of stator 21, save cost, and then improved the overall performance of cooling cycle system.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (6)
1. an external rotor rotary compressor, is characterized in that, comprising:
Housing;
Motor, described motor is located in described housing, and described motor comprises stator and rotor, and described rotor is located at outside described stator rotationally; And
Compressing mechanism, described compressing mechanism comprises bent axle and main bearing, described bent axle and described rotor are fixed, described main bearing comprises body, is located at described body the first shaft part and the second shaft part top and that be upwards connected successively vertically, the transverse dimension of described the first shaft part is greater than the transverse dimension of described the second shaft part, wherein said stator is fixed on described the second shaft part, and the bottom supporting of described stator is on the upper-end surface of described the first shaft part.
2. external rotor rotary compressor according to claim 1, is characterized in that, the upper-end surface of described stator is concordant with the upper-end surface of described the second shaft part.
3. external rotor rotary compressor according to claim 1 and 2, is characterized in that, described stator and described the second shaft part adopt the mode of crimping, welding or hot jacket to fix.
4. external rotor rotary compressor according to claim 1, is characterized in that, described rotor comprises rotor shell and iron core, the bottom-open of described rotor shell, and described iron core is fixed on the inner circle wall of described rotor shell.
5. external rotor rotary compressor according to claim 1, is characterized in that, the refrigerant in described external rotor rotary compressor is HCFC, HFC or HC class refrigerant.
6. a cooling cycle system, is characterized in that, comprising:
According to the external rotor rotary compressor described in any one in claim 1-5;
Condenser, one end of described condenser is connected with the relief opening of described external rotor rotary compressor;
Vaporizer, one end of described vaporizer is connected with the intakeport of described external rotor rotary compressor; And
Throttling arrangement, described throttling arrangement is connected between the other end of described condenser and the other end of described vaporizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324355.1U CN203962396U (en) | 2014-06-17 | 2014-06-17 | Cooling cycle system and external rotor rotary compressor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324355.1U CN203962396U (en) | 2014-06-17 | 2014-06-17 | Cooling cycle system and external rotor rotary compressor thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203962396U true CN203962396U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420324355.1U Active CN203962396U (en) | 2014-06-17 | 2014-06-17 | Cooling cycle system and external rotor rotary compressor thereof |
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| Country | Link |
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| CN (1) | CN203962396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041657A (en) * | 2015-07-07 | 2015-11-11 | 广东美芝制冷设备有限公司 | Bearing assembly, rotary compressor with same and refrigerating system |
-
2014
- 2014-06-17 CN CN201420324355.1U patent/CN203962396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041657A (en) * | 2015-07-07 | 2015-11-11 | 广东美芝制冷设备有限公司 | Bearing assembly, rotary compressor with same and refrigerating system |
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| GR01 | Patent grant |