CN106026526A - Water-cooling and air-cooling magnetic bearing structure - Google Patents
Water-cooling and air-cooling magnetic bearing structure Download PDFInfo
- Publication number
- CN106026526A CN106026526A CN201610567776.0A CN201610567776A CN106026526A CN 106026526 A CN106026526 A CN 106026526A CN 201610567776 A CN201610567776 A CN 201610567776A CN 106026526 A CN106026526 A CN 106026526A
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- CN
- China
- Prior art keywords
- air
- cooling
- water
- casing
- cooled
- 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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Abstract
The invention discloses a water-cooling and air-cooling magnetic bearing structure which comprises a rotor, a thrust bearing, a fan, a radial magnetic bearing and a magnetic bearing base, wherein the magnetic bearing, the radial magnetic bearing, the fan and the thrust bearing are symmetrically arranged on the rotor from external to internal. The water-cooling and air-cooling magnetic bearing structure comprises a water cooling casing and an air cooling casing, wherein the water cooling casing sleeves the rotor, the radial magnetic bearing, the fan and the thrust bearing are supported on the water cooling casing, the magnetic bearing base is arranged on the two sides of the water cooling casing, the air cooling casing sleeves the water cooling casing, and an air cooling chamber is formed between the air cooling casing and the water cooling casing. Water cooling and air cooling are jointly employed to ensure better cooling effect. Cooling air circulates in the casings, entering of lots of dust can be prevented, and dust-proof effect is provided for the bearings and other parts. Cooling air reduces the temperature while passing through the water cooling casing, and then enters into the structures in the bearings for cooling. Better effect is achieved.
Description
Technical field:
The present invention relates to a kind of water-cooled air-cooling magnetic bearing arrangement.
Background technology:
The cooling of existing magnetic bearing is generally and is realized by the most air-cooled or single water-cooled, and cooling effect is bad.And
The cooling wind of air-cooled cooling is casing inner-outer circulation, and dust is brought into casing internal, and internal structure is easily damaged.
Therefore, necessary prior art improves to solve the deficiency of prior art.
Summary of the invention:
The present invention is in order to solve the problem of above-mentioned prior art existence and to provide a kind of water-cooled air-cooling magnetic bearing arrangement.
The technical solution adopted in the present invention has: a kind of water-cooled air-cooling magnetic bearing arrangement, including rotor, thrust bearing, wind
Fan, radial direction magnetic bearing and magnetic axis bearing, described magnetic axis bearing, radial direction magnetic bearing, fan and thrust bearing are successively
Ecto-entad is symmetrically set on rotor, also includes that water-cooled casing and air-cooled casing, described water cooling unit valve jacket are located on rotor,
And radial direction magnetic bearing, fan and thrust bearing are all supported in water-cooled casing, magnetic axis bearing is located at the both sides of water-cooled casing,
Air cooler valve jacket is located in water-cooled casing, and is formed with air cooling chamber between air-cooled casing and water-cooled casing;
Described water-cooled casing includes shell, liner and dividing plate, and the coaxial heart of shell is sheathed on interior lining, outside dividing plate is fixed on
In the circumferential wall of shell, and air cooling chamber is separated into left cavity and right cavity;
Described interior lining is provided with the cooling water flow conduits of back-shaped needle-like, and this cooling water flow conduits sets along the axial direction of water-cooled casing
Putting, shell is provided with water inlet pipe and outlet pipe, and this entery and delivery port is connected with the two ends of cooling water flow conduits respectively;
All there are some air inlets on the circumferencial direction of described liner, the circumferencial direction of shell all has some air outlets, described
Air inlet is all connected with air cooling chamber with air outlet.
Further, described air inlet and air outlet are equipped with eight, and four air inlets and four air outlets and left cavity
Being connected, four additional air inlet and four air outlets are connected with right cavity.
Further, if being evenly equipped with dry cooling air holes on the circumferencial direction of described thrust bearing.
There is advantages that the present invention uses water-cooled and air-cooled common cooling, cooling effect is more preferable;Cooling
Wind circulates at casing internal, it is to avoid entering in a large number of dust, and bearing and other parts are played dust-proof effect;Cold
But wind by water cooling motor housing time reduce temperature, then enter back into Bearing inner structure and cool down, effect is more preferable.
Accompanying drawing illustrates:
Fig. 1 is the sectional structure chart of magnetic bearing structure of the present invention.
Fig. 2 is the tomograph of water-cooled casing in magnetic bearing structure of the present invention.
Fig. 3 is the plane structure chart of water-cooled casing in magnetic bearing structure of the present invention.
Fig. 4 is the sectional structure chart of water-cooled casing in magnetic bearing structure of the present invention.
Fig. 5 is the structure chart of thrust bearing in magnetic bearing structure of the present invention.
Fig. 6 is the sectional view of thrust bearing in magnetic bearing structure of the present invention.
Fig. 7 is another sectional structure chart of magnetic bearing structure of the present invention.
Detailed description of the invention:
The present invention is further illustrated below in conjunction with the accompanying drawings.
Such as Fig. 1, one water-cooled air-cooling magnetic bearing arrangement of the present invention, including rotor 1, thrust bearing 2, fan 3, radially
Magnetic bearing 4, magnetic axis bearing 5, water-cooled casing 6 and air-cooled shell 7, water-cooled casing 6 is sheathed on rotor 1, radially magnetic
Bearing 4, fan 3 and thrust bearing 2 ecto-entad successively are symmetrically set on rotor 1, and three is all located at water cooling unit
In shell 6, two magnetic axis bearings 5 are fixedly connected on the both sides of water-cooled casing 6.Air-cooled casing 7 is sheathed in water-cooled casing 6,
And it is formed with air cooling chamber 600 between air-cooled casing 7 and water-cooled casing 6.
Such as Fig. 2 to Fig. 4, the water-cooled casing 6 in the present invention includes shell 61, liner 62 and dividing plate 63, liner 62
Coaxial heart is sheathed in shell 61, and the coaxial heart of shell 61 is sheathed on liner 62, and dividing plate 63 is fixed on shell 61
Circumferential wall on, and air cooling chamber 600 is separated into left cavity 601 and right cavity 602.
For realizing the water-cooling structure of magnetic bearing of the present invention, the liner 62 of water-cooled casing 6 is provided with the cold of back-shaped needle-like
But water flow passage 620, and this cooling water flow conduits 620 is along the axial direction setting of water-cooled casing 6, it is cold that axial direction is arranged
But water flow passage 620 enables to cooling liquid and farthest flows through casing internal, increases film-cooled heat.In water-cooled casing
The shell 61 of 6 is provided with water inlet pipe 625 and outlet pipe 626, this entery and delivery port respectively with the two of cooling water flow conduits 620
End is connected.
For realizing the air cooling structure of magnetic bearing of the present invention, the circumferencial direction of liner 62 all has some air inlets 610, outward
All have on the circumferencial direction of shell 61 some air outlets 611, air inlet 610 and air outlet 611 all with air cooling chamber 600
It is connected.
Cooling wind enters magnetic bearing internal cooling magnetic bearing by air inlet 610, the cooling wind of heating again through passing through fan from going out
Air port 611 enters air cooling chamber 600 cooling and turns cold, and enters back into magnetic bearing internal cooling magnetic bearing.
Air inlet 610 and air outlet 611 in the present invention are equipped with eight, and four air inlets 610 and four air outlets
611 are connected with left cavity 601, and four additional air inlet 610 is connected with right cavity 602 with four air outlets 611.
Such as Fig. 5 and Fig. 6, for increasing the cooling effect of the present invention, the circumferencial direction of thrust bearing 2 is evenly equipped with some
Cooling air holes 21, this cooling air holes 21 and the first running clearance 25 and the second running clearance 26 on thrust bearing 2
It is connected, then by this two running clearance through thrust bearing 2.
In conjunction with Fig. 7, during magnetic bearing of the present invention work, accessing coolant on water inlet pipe 625, coolant enters water cooling unit
Shell 6 is internal, cools down casing, and each parts on the rotor 1 being connected with casing are cooled down after turning cold by casing.Fan
3 rotate, gassy in the left cavity 601 of water-cooled casing 6 and right cavity 602, left cavity 601 and right cavity 602
Isolation, the right and left is identical, each self-loopa in chamber, gas left and right.Gas enters at air inlet 610, is full of inside configuration
(in Fig. 7, A is gas flow direction).
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, some improvement can also be made under the premise without departing from the principles of the invention, these improvement also should be regarded as the present invention's
Protection domain.
Claims (3)
1. a water-cooled air-cooling magnetic bearing arrangement, including rotor (1), thrust bearing (2), fan (3), radially magnetic axis
Hold (4) and magnetic axis bearing (5), described magnetic axis bearing (5), radial direction magnetic bearing (4), fan (3) and push away
Power bearing (2) ecto-entad successively is symmetrically set on rotor (1), it is characterised in that: also include water-cooled casing (6)
With air-cooled casing (7), described water-cooled casing (6) is sheathed on rotor (1), and radial direction magnetic bearing (4), fan (3)
And thrust bearing (2) is all supported in water-cooled casing (6), magnetic axis bearing (5) is located at the two of water-cooled casing (6)
Side, air-cooled casing (7) is sheathed in water-cooled casing (6), and shape between air-cooled casing (7) and water-cooled casing (6)
Become to have air cooling chamber (600);
Described water-cooled casing (6) includes shell (61), liner (62) and dividing plate (63), shell (61) concentric
Be sheathed on liner (62), dividing plate (63) is fixed in the circumferential wall of shell (61), and by air cooling chamber (600)
It is separated into left cavity (601) and right cavity (602);
Described liner (62) is provided with the cooling water flow conduits (620) of back-shaped needle-like, and this cooling water flow conduits (620) edge
The axial direction of water-cooled casing (6) is arranged, and shell (61) is provided with water inlet pipe and outlet pipe, and this entery and delivery port divides
It is not connected with the two ends of cooling water flow conduits (620);
All there are some air inlets (610), on the circumferencial direction of described liner (62) on the circumferencial direction of shell (61) all
Some air outlets (611), described air inlet (610) is had all to be connected with air cooling chamber (600) with air outlet (611)
Logical.
2. water-cooled air-cooling magnetic bearing arrangement as claimed in claim 1, it is characterised in that: described air inlet (610) and
Air outlet (611) is equipped with eight, and four air inlets (610) and four air outlets (611) and left cavity (601)
Being connected, four additional air inlet (610) is connected with right cavity (602) with four air outlets (611).
3. water-cooled air-cooling magnetic bearing arrangement as claimed in claim 2, it is characterised in that: described thrust bearing (2)
If being evenly equipped with dry cooling air holes (21) on circumferencial direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610567776.0A CN106026526A (en) | 2016-07-18 | 2016-07-18 | Water-cooling and air-cooling magnetic bearing structure |
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CN201610567776.0A CN106026526A (en) | 2016-07-18 | 2016-07-18 | Water-cooling and air-cooling magnetic bearing structure |
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CN201610567776.0A Pending CN106026526A (en) | 2016-07-18 | 2016-07-18 | Water-cooling and air-cooling magnetic bearing structure |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106300854A (en) * | 2016-10-27 | 2017-01-04 | 驰美电机(上海)有限公司 | A kind of compressor special utility permasyn morot of Graphene concentratred winding |
CN106357023A (en) * | 2016-10-27 | 2017-01-25 | 驰美电机(上海)有限公司 | Special no-bearing direct-connection permanent-magnet synchronous motor for compressor using graphene winding |
CN106451867A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机(上海)有限公司 | Special bearing-less direct-connection synchronous reluctance motor with graphene windings for compressor |
CN106451843A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机(上海)有限公司 | Special bearingless direct-connection sealing permanent-magnet synchronous motor with graphene winding for compressor |
CN110214406A (en) * | 2017-02-02 | 2019-09-06 | 三菱电机株式会社 | Rotating electric machine |
CN114498989A (en) * | 2021-12-29 | 2022-05-13 | 西安中车永电捷力风能有限公司 | Wind driven generator with cooling function |
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US20040088976A1 (en) * | 2002-08-20 | 2004-05-13 | Jens-Wolf Jaisle | Turbocharger with air-cooled magnetic bearing system |
CN1666026A (en) * | 2003-07-04 | 2005-09-07 | 三菱电机株式会社 | Magnetic bearing device |
JP2008283813A (en) * | 2007-05-11 | 2008-11-20 | Ntn Corp | Motor-integrated magnetic bearing device |
CN103887927A (en) * | 2014-02-27 | 2014-06-25 | 江阴市振江钢结构有限公司 | Cooling system of magnetic levitation flywheel energy storage device |
CN103986298A (en) * | 2014-05-29 | 2014-08-13 | 南京磁谷科技有限公司 | High-speed magnetic suspension motor |
WO2015197750A1 (en) * | 2014-06-27 | 2015-12-30 | Thermodyn Sas | A cooling system for magnetic axial bearing |
CN205829393U (en) * | 2016-07-18 | 2016-12-21 | 南京磁谷科技有限公司 | A kind of water-cooled air-cooling magnetic bearing arrangement |
-
2016
- 2016-07-18 CN CN201610567776.0A patent/CN106026526A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040088976A1 (en) * | 2002-08-20 | 2004-05-13 | Jens-Wolf Jaisle | Turbocharger with air-cooled magnetic bearing system |
CN1666026A (en) * | 2003-07-04 | 2005-09-07 | 三菱电机株式会社 | Magnetic bearing device |
JP2008283813A (en) * | 2007-05-11 | 2008-11-20 | Ntn Corp | Motor-integrated magnetic bearing device |
CN103887927A (en) * | 2014-02-27 | 2014-06-25 | 江阴市振江钢结构有限公司 | Cooling system of magnetic levitation flywheel energy storage device |
CN103986298A (en) * | 2014-05-29 | 2014-08-13 | 南京磁谷科技有限公司 | High-speed magnetic suspension motor |
WO2015197750A1 (en) * | 2014-06-27 | 2015-12-30 | Thermodyn Sas | A cooling system for magnetic axial bearing |
CN205829393U (en) * | 2016-07-18 | 2016-12-21 | 南京磁谷科技有限公司 | A kind of water-cooled air-cooling magnetic bearing arrangement |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106300854A (en) * | 2016-10-27 | 2017-01-04 | 驰美电机(上海)有限公司 | A kind of compressor special utility permasyn morot of Graphene concentratred winding |
CN106357023A (en) * | 2016-10-27 | 2017-01-25 | 驰美电机(上海)有限公司 | Special no-bearing direct-connection permanent-magnet synchronous motor for compressor using graphene winding |
CN106451867A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机(上海)有限公司 | Special bearing-less direct-connection synchronous reluctance motor with graphene windings for compressor |
CN106451843A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机(上海)有限公司 | Special bearingless direct-connection sealing permanent-magnet synchronous motor with graphene winding for compressor |
CN110214406A (en) * | 2017-02-02 | 2019-09-06 | 三菱电机株式会社 | Rotating electric machine |
CN114498989A (en) * | 2021-12-29 | 2022-05-13 | 西安中车永电捷力风能有限公司 | Wind driven generator with cooling function |
CN114498989B (en) * | 2021-12-29 | 2024-03-26 | 西安中车永电捷力风能有限公司 | Wind driven generator with cooling function |
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Application publication date: 20161012 |