CN102562527B - Refrigerant compressor - Google Patents
Refrigerant compressor Download PDFInfo
- Publication number
- CN102562527B CN102562527B CN201110452220.4A CN201110452220A CN102562527B CN 102562527 B CN102562527 B CN 102562527B CN 201110452220 A CN201110452220 A CN 201110452220A CN 102562527 B CN102562527 B CN 102562527B
- Authority
- CN
- China
- Prior art keywords
- support element
- base component
- compressor
- coolant
- coolant 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The refrigerant compressor (1) has an electric motor (3), a stator (5), a rotor (4), a compressor unit (2) arranged on an annular base element (15), and a support element (13). The base element covers the largest portion of the periphery and most of the axial portion of the motor. The base element and the support element are designed as sheet metal portion.
Description
Technical field
The present invention relates to a kind of hermetically enclosed formula coolant compressor, it has the motor comprising stators and rotators, and has the compressor unit be arranged on the support comprising support element and annular base element.
Background technique
Such as, this kind of compressor can obtain from DE102008024671A1.Here, compressor unit is fixed on and is connected on the support element of base component, and this base component is fixed on front side of the top of this stator.This base component and this support element are made into sheet metal parts, and this support element is larger than the thickness of this base component.
This kind of coolant compressor can be manufactured into quite little quality.But it operates in the mode of rather unstable and can produce Back drop wave noise when this compressor unit clashes into the shell of this compressor when low speed.
Such as, coolant compressor is used in chiller plant as refrigerator and freezer.Except the little part height of this coolant compressor, it also needs low-energy-consumption.When this chiller plant has better isolated material, lower energy ezpenditure can be reached by the speed reducing this coolant compressor.But known low speed coolant compressor usually operates in the mode of instability.
Summary of the invention
The present invention is based on and provide a kind of object with the coolant compressor of little part height, it also can run under the low speed reposefully.
According to the present invention, as the coolant compressor mentioned in foreword, this object can cover this motor by this base component and reach at the largest portion of its circumference and its axially extended largest portion.
In some sense, this means that this motor is partly contained in this support.This makes to make part height minimize in the axial direction becomes possibility.Meanwhile, radially have sufficient space in this base component of this outside motor, therefore this base component can be made with relatively many materials and therefore have relatively large quality.On the one hand the larger quality of this base component will reduce the vibration of this coolant compressor in operation process and mobile resonance range on the other hand, so that the humorous concussion of this coolant compressor there will not be when low speed.Radially outer due to this base component arranges that quality is radially arranged in outside motor, and significant growth has appearred in mass inertia, and this in the startup of this coolant compressor and will weaken rotation concussion between withholding period.This reliably prevents the housing that this compressor unit clashes into this shell or this compressor.
Particularly preferably be this base component and be made into foundry goods and this support element is made into sheet metal parts.Then this sheet metal parts can be made into and has relatively little quality and little material thickness and still have enough intensity.This base component is made into foundry goods and makes it possible to realize cost and to manufacture efficiently and still may free forming relatively.
Preferably, this support element is substantially radially arranged in this base component inside.This annular base element is around free space, and wherein this motor arrangement is in this free space.This free space is covered by this support element being arranged radially at this base component inside now.But additionally this carrier unit also radially can cover this base component, such as, this can be conducive to simple fixing.Connect with this kind, this compressor unit is fixed on this carrier unit, and this base unit is arranged in this support element that side in the face of this motor.
In a preferred embodiment, this rotor is made into external rotor.Therefore, have same performance, this motor structure becomes to have little part height.This rotor can comprise circle segments shape permanent magnet.Because this disposed outside motor, this magnet is easily installed.
Preferably, this carrier unit axially mounting at least one supporting point, preferably on three supporting points of this stator.Therefore, this motor and this compressor unit are all positioned on this support element.By this supporting point, the lateral force during particularly appearing at compression stroke can be received, thus the bending load decreasing element replacement or this support element or the radial bearing be arranged in this support element.Further, the contact between this stator and this support element enhances the rigidity of this coolant compressor, and this makes vibration reduce.In a word, this makes this coolant compressor operate stably.In this connects, can be made at axial direction and this base component of circumferentially covering this motor major component and make itself and this motor there is no point of contact.This means that it can be manufactured with relatively high allowable deviation.
Preferably, the side of this base component compressor unit is dorsad provided with the receiving cavity for supporting element.Such as, this supporting element is elastic element, and it is positioned at the bottom of the housing of this compressor case or this coolant compressor.Such as, this receiving cavity can be made into sagged shape and hold the end of this supporting element.Therefore, this compressor unit with motor flexibly can be supported in this shell.
Preferably, the radial bearing for the main shaft being connected to this rotor is connected to this support element, is pressed into especially in the opening of this support element of road.Such as, this radial bearing with bearing housing is arranged in the inside of the opening in this stator, and this stator is also fixed on this radial bearing.Then, by this radial bearing, this stator is also fixed on this support element.Additional cod for rotor can be used for limiting the axial position of this rotor relative to this stator.Realize cost by the mode of press-in in conjunction with this radial bearing or this bearing housing effectively to manufacture.
Preferably, the piston that this compressor unit comprises cylinder and guides in the cylinder, valve system and pressure baffler and it can be fixed on this support as builtup member especially.Which ensure that this coolant compressor is relatively simply assembled.
Particularly preferably that one end of this main shaft comprises the crank pin being connected to piston by connecting rod.This embodiment achieves the straight line motion becoming this piston relative to the simple converting rotary motion by this main shaft.
Preferably, this support element and this base component are interconnected by the mode of three tie points.This means that three tie points or point of contact are formed between this support element and this base component.Therefore, this base component can keep stable and on this support element not tension stretch.
Accompanying drawing explanation
Next explain the present invention by preferred embodiments and drawings, illustrate:
Fig. 1 is the sectional drawing of coolant compressor, and
Fig. 2 is the graphics of support.
Embodiment
Fig. 1 shows a kind of sectional view of coolant compressor.This coolant compressor 1 comprises compressor unit 2 and motor 3 forms.This compressor unit 2 and this motor 3 are disposed in the sealing machine shell of sealing, and this casing does not show.
This motor 3 comprises rotor 4 and stator 5.This rotor 4 is made into external rotor and is centered around around this stator 5.This stator 5 comprises permanent magnet 6, and is shorted ring 7 and radially surrounds.By base section 8, this rotor 4 can not be connected rotationally with main shaft 9, and this main shaft 9 extends through the center drilling at this stator 5.This main shaft 9 remains in the bearing housing 10 of radial bearing.This stator 5 is fixed on this bearing housing 10.
In the inside of this main shaft 9, arrange displacement component 11, between this displacement component 11 and this hollow main shaft 9, define pipeline road.Define axially support 12 in this main shaft 9 inside, that define the axial position of this rotor 4.
This compressor unit 2 and this motor 3 are connected with each other by support 13, and this support comprises the base component 15 of support element 14 and ring-type.This base component 15 surrounds this motor 3 at the largest portion of its circumference.In addition, the largest portion of this base component 15 axially bearing of trend covers motor, namely in the axial-rotation direction of this main shaft 9 or this rotor 4.Therefore, in some sense, the major part of this motor 3 is contained in this support 13 or this base component 15.
This support element 14 cover the free space that surrounds by this base component 15, motor 3 is arranged in this space.Therefore this support element 14 is disposed in base component substantially, and preferably fixes at three point of contact places and this base component 15.Point 31 one of them be positioned at piston-cylinder unit 8 region, as shown in Figure 1.This base component 15 makes this support element 14 rigidity grow, is run the power occurred in process causes distortion to avoid it.The mode that this bearing housing 10 and corresponding radial bearing are coordinated by power adaptation is connected with this support element 14.Which ensure that relatively simple Placement.But also can bond or weld this bearing housing 10 to this support element 14.
By supporting point 17, this support element 14 is bearing in and is positioned on this stator 5 in this piston cylinder units 18 region.Therefore, this motor 3 and this compressor unit 2 all support on this support element 14, and this base component 15 is only connected with this support element 14 and other parts are freely arranged.
This piston cylinder units 18 comprises cylinder 19 and the Linear-moving piston 20 in above-mentioned cylinder.This piston 20 is driven by connecting rod 21 and crank pin 22, and crank pin 22 is connected to this main shaft 9 prejudicially.
This base component 15 is made into foundry goods, and can be made into the required shape of relatively economical mode.This support element 14 is made into sheet metal plate component.Therefore this base component 15 comprises quality relatively larger than this support element.This makes has relatively large quality at radially outer and therefore forms relatively large mass inertia.Contrary, the core with the coolant compressor 1 of this support element 14 is then made into relatively light and allows little part height.But, this support element 14 as metal plate component and be connected with this base component 15 3 a little 31 embodiment still there is enough mechanical stabilities, and there is little material thickness, to be contained in the power produced in running.This mass inertia is determined by this base component 15 substantially.
This support 13 in fig. 2 with this support element 14 and this base component 15 illustrates with graphics.The bearing housing 10 of this radial bearing to be pressed in the central opening of this support element 14 and to extend at axial direction.This base component 15 be annular and round the free space covered by support element 14.Connect with this, this support element 14 is radially arranged in the inside of this base component 15 substantially.This support element 14 rely on this base component 15 upside and in the face of this compressor unit 2, not shown in Figure 2.Therefore, under the assembling condition of this coolant compressor 1, this base component 15 is arranged in below this support element 14.
On the bottom side 23 of this base component 15 of compressor unit 2 dorsad, this base component 15 comprises receiving cavity 24,25,26,27, it is for holding the object of supporting element, can be positioned in the housing of shell or coolant compressor 1 by this base component 15 of this mode.This supporting element can be helical spring form.By this support 13 or this base component 15, then this compressor unit 2 and this motor 3 are also flexibly supported.This base component 15, this motor 3 and this compressor unit 2 are fixed on this carrier unit 14.
On its bottom side, this support element 14 has three projections 28,29,30, and it is for the formation of supporting point, is axially bearing on the stator 5 of this motor 3 by this support element 14 of this mode.Can shift lateral force by these supporting points, it shows especially during the compression stroke of this piston cylinder units 18, and it can be pressed into by bending in this bearing housing 10.This means that this supporting point decreases the stress of this radial bearing.
Form accurate three to protrude or the result that causes of supporting point is that the restriction on this stator 5 with this support element 14 supports.If possible, this supporting point should be arranged to radially near this stator edge and be positioned at the central lamination region of this stator.At least one supporting point 17 should be arranged in below this piston cylinder units 18.Which ensure that good rigidity, therefore prevent because this bearing housing 10 tilts to make the tilting of this main shaft 9 crank pin.
By this base component is arranged in around this motor, this motor, in some sense, be positioned at the free space of this base component, there is reduction in the part height of this coolant compressor, the quality in outside diametrically far away of this base component is arranged and provided high mass inertia simultaneously.This support element this compressor unit being connected to this motor can be formed relative thin, because it is not contributed mass inertia.Accordingly, the part height of this support element and the height of therefore this integrally cooling agent compressor are minimized.The mass inertia of this disposed outside ensure that the smooth running of this coolant compressor between the slow-speed of revolution and startup withholding period can realize simultaneously.
Claims (12)
1. one kind has the coolant compressor of motor and compressor unit, this motor comprises stators and rotators, this compressor unit be arranged in comprise support element and annular base element support on, it is characterized in that, described base component adopts annular high quality base component, described rotor (4) is made into external rotor, and this base component covers largest portion and its axially extended largest portion of the circumference of this motor.
2. coolant compressor as claimed in claim 1, it is characterized in that, this base component (15) is made into foundry goods and this support element (14) is made into sheet metal parts.
3. coolant compressor as claimed in claim 1 or 2, it is characterized in that, this support element (14) is radially arranged in the inside of this base component (15) substantially.
4. coolant compressor as claimed in claim 1 or 2, is characterized in that, this support element (14) is axially bearing on stator (5) at least one point of supporting point (17).
5. coolant compressor as claimed in claim 1 or 2, it is characterized in that, this support element (14) is axially bearing on stator (5) on three supporting points of supporting point (17).
6. coolant compressor as claimed in claim 1 or 2, it is characterized in that, the side (23) of this base component (15) compressor unit (2) is dorsad provided with the receiving cavity (24,25,26,27) for supporting element.
7. coolant compressor as claimed in claim 1, it is characterized in that, the radial bearing (10) for the main shaft (9) being connected to this rotor (4) is connected to this support element (14).
8. coolant compressor as claimed in claim 1, it is characterized in that, the radial bearing (10) for the main shaft (9) being connected to this rotor (4) is pressed in the opening of this support element (14).
9. coolant compressor as claimed in claim 7 or 8, is characterized in that, piston (20), valve system and pressure baffler that this compressor unit (2) comprises cylinder (19) and guides in the cylinder.
10. coolant compressor as claimed in claim 9, it is characterized in that, this compressor unit (2) is fixed on this support (13) as subassemblies.
11. coolant compressors as claimed in claim 9, is characterized in that, one end of this main shaft (9) comprises the crank pin (22) being connected to this piston (20) by connecting rod (21).
12. coolant compressors as claimed in claim 1 or 2, is characterized in that, this support element (14) and this base component (15) are interconnected by the mode of three tie points (31).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010051265.6A DE102010051265B4 (en) | 2010-11-12 | 2010-11-12 | Refrigerant compressor |
| DE102010051265.6 | 2010-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562527A CN102562527A (en) | 2012-07-11 |
| CN102562527B true CN102562527B (en) | 2015-06-17 |
Family
ID=45998885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110452220.4A Active CN102562527B (en) | 2010-11-12 | 2011-11-14 | Refrigerant compressor |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102562527B (en) |
| DE (1) | DE102010051265B4 (en) |
| RU (1) | RU2497052C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112014004018T5 (en) | 2013-09-03 | 2016-07-14 | Panasonic Intellectual Property Management Co., Ltd. | Sealed compressor and freezer or refrigerator equipped with it |
| CN111577576B (en) * | 2019-02-18 | 2021-12-31 | 安徽美芝制冷设备有限公司 | Frame subassembly and compressor of compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3465954A (en) * | 1967-08-11 | 1969-09-09 | Lennox Ind Inc | Compressor supporting means |
| DE3318921A1 (en) * | 1983-05-25 | 1984-11-29 | Robert Bosch Gmbh, 7000 Stuttgart | Motor compressor |
| US6095768A (en) * | 1997-04-28 | 2000-08-01 | Embraco Europe S.R.L. | Hermetic motor-driven compressor for refrigerators |
| CN1538064A (en) * | 2003-04-14 | 2004-10-20 | Peciprocating compressor | |
| JP2007002847A (en) * | 2005-06-21 | 2007-01-11 | Samsung Kwangju Electronics Co Ltd | Compressor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1852038U (en) | 1960-10-05 | 1962-05-24 | Danfoss Ved Ing M Clausen | SMALL REFRIGERATION MACHINE WITH ELECTRIC MOTOR DRIVE. |
| DE1503409A1 (en) * | 1966-11-12 | 1970-11-26 | Danfoss As | Reciprocating motor compressors, especially for refrigeration machines |
| DE1503410C3 (en) * | 1966-11-18 | 1973-12-20 | Danfoss A/S, Nordborg (Daenemark) | Sheet metal housing for small compressors, especially for refrigerating machines |
| RU2220384C2 (en) * | 2001-05-30 | 2003-12-27 | Линберг Александр Федорович | Motor-compressor |
| DE102008024671B4 (en) | 2008-05-21 | 2015-10-08 | Secop Gmbh | Refrigerant compressor arrangement |
-
2010
- 2010-11-12 DE DE102010051265.6A patent/DE102010051265B4/en active Active
-
2011
- 2011-11-08 RU RU2011144830/06A patent/RU2497052C2/en not_active IP Right Cessation
- 2011-11-14 CN CN201110452220.4A patent/CN102562527B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3465954A (en) * | 1967-08-11 | 1969-09-09 | Lennox Ind Inc | Compressor supporting means |
| DE3318921A1 (en) * | 1983-05-25 | 1984-11-29 | Robert Bosch Gmbh, 7000 Stuttgart | Motor compressor |
| US6095768A (en) * | 1997-04-28 | 2000-08-01 | Embraco Europe S.R.L. | Hermetic motor-driven compressor for refrigerators |
| CN1538064A (en) * | 2003-04-14 | 2004-10-20 | Peciprocating compressor | |
| JP2007002847A (en) * | 2005-06-21 | 2007-01-11 | Samsung Kwangju Electronics Co Ltd | Compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2497052C2 (en) | 2013-10-27 |
| DE102010051265A1 (en) | 2012-05-16 |
| CN102562527A (en) | 2012-07-11 |
| DE102010051265B4 (en) | 2019-10-02 |
| RU2011144830A (en) | 2013-05-20 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |