CN207049193U - A kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension motor - Google Patents
A kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension motor Download PDFInfo
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- CN207049193U CN207049193U CN201720951670.0U CN201720951670U CN207049193U CN 207049193 U CN207049193 U CN 207049193U CN 201720951670 U CN201720951670 U CN 201720951670U CN 207049193 U CN207049193 U CN 207049193U
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- 239000000725 suspension Substances 0.000 title claims abstract description 46
- 230000005389 magnetism Effects 0.000 title claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 55
- 229910052751 metal Inorganic materials 0.000 claims description 55
- 239000000523 sample Substances 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 15
- 238000005476 soldering Methods 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000005339 levitation Methods 0.000 abstract description 2
- 238000007667 floating Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002964 excitative effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
It the utility model is related to magnetic levitation technology field, more particularly to a kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension motor.Permanent magnetism off-set magnetic suspension unit includes permanent magnet offset radial magnetic bearing and radial displacement transducer；Permanent magnet offset radial magnetic bearing includes first, second magnetic conductor be arrangeding in parallel, multiple first magnetic poles are provided with inside first magnetic conductor, each first magnetic pole is wound with magnetizing coil, multiple permanent magnets are provided between adjacent two layers magnetic conductor, radial displacement transducer includes sensor support base, and sensor support base includes shell body and is arranged on the fixed plate of shell body annular；First, second magnetic conductor is both secured on the inwall of shell body, and the first magnetic conductor and the second magnetic conductor are located at the both sides of fixed plate, the through hole of fixed plate and the junction of shell body provided with fixed permanent magnets respectively.The inner space of permanent magnet biased magnetic bearing is taken full advantage of, the globality and positioning precision of the magnetic suspension unit is improved, reduces assembly cost.
Description
Technical field
It the utility model is related to magnetic levitation technology field, more particularly to a kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension electricity
Machine.
Background technology
Miniature motor is the most common form for converting electrical energy into mechanical energy, is had in household electrical appliance and industrial circle
It is widely applied.Traditional motor mainly includes motor stator portion, rotor part, rotor supports bearing and casing
Part, coupled between motor stator portion and rotor part by mechanical bearing or Mechanical Contact be present, therefore electronics turns
Mechanical friction be present in sub- motion process.Mechanical friction not only increases the frictional resistance of rotor, wears moving component, produces machine
Tool vibrates and noise, and part can be caused to generate heat, and makes lubricant degradation, and serious meeting makes motor gas-gap uneven, around
Group heating, temperature rise increase are final to shorten motor service life so as to reduce motor efficiency.And mechanical bearing needs lubricating oil
To maintain, so electrical machinery life was not only influenceed but also had been unfavorable for the cleaning of equipment, therefore, in order to realize ultrahigh rotating speed operation and equipment
Long-life, cleaning oil-free must use contactless supporting way, i.e. magnetic suspension supporting way in the motor.
The support of existing magnetic suspension motor armature spindle usually require radial magnetic bearing, radial displacement transducer and
Play floating ring to complete jointly, radial magnetic bearing, radial displacement transducer and a floating ring are distributed on armature spindle side by side.Permanent magnetism
Bias radial direction magnetic bearing is the relatively low radial magnetic bearing of a kind of consumption power, and the two of permanent magnet offset radial magnetic bearing leads side by side
The permanent magnet of setting one fixed width is needed between magnetic sheet, in order to reduce motor size, it will usually reduce the width of permanent magnet, still
The distance between two pieces of magnetic conductive boards are too small to cause that permanent magnet demagnetizes and the leakage field of magnetic bearing, excessive permanent magnet width can show
Write the overall volume of increase magnetic suspension motor.
Utility model content
(1) technical problems to be solved
The technical problems to be solved in the utility model is that solve permanent magnet offset radial magnetcisuspension in prior art magnetic suspension motor
Floating axle is held and its accessory axial occupation space is big, increases magnetic suspension motor overall volume problem.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of permanent magnetism off-set magnetic suspension unit, including permanent magnetism
Bias radial direction magnetic bearing and radial displacement transducer；The permanent magnet offset radial magnetic bearing includes the first magnetic conduction be arrangeding in parallel
Body and the second magnetic conductor, the first magnetic conductor inside are provided with multiple first magnetic poles, and each first magnetic pole is wound with sharp
Magnetic coil, is provided with multiple permanent magnets between magnetic conductor described in adjacent two layers, and the position of multiple permanent magnets circumferentially with
Multiple first magnetic poles correspond；The radial displacement transducer includes sensor support base, and the sensor support base includes
Shell body and the fixed plate for being arranged on shell body annular；The inner ring of the fixed plate is provided with multiple mounting grooves, Mei Gesuo
State and a detection probe is fixed with mounting groove；First magnetic conductor and the second magnetic conductor are both secured to the interior of the shell body
On wall, and first magnetic conductor and the second magnetic conductor are located at the both sides of the fixed plate respectively, the fixed plate with it is described outer
The junction of housing is provided with multiple through holes, and the permanent magnets are fixed in the through hole.
According to the utility model, first magnetic conductor and the second magnetic conductor pass through bonding connection with the shell body.
According to the utility model, the detection probe is probe coil, and the surface of the sensor support base is provided with multiple the
One metal pad, first metal pad are connected with the lead-out wire of the probe coil.
According to the utility model, first metal pad is arranged on the outlet position edge of the mounting groove, described
The surface of sensor support base is additionally provided with the second metal pad, and second metal pad is located on the shell body end face, is used for
Connect fore-lying device cable；By being fixed on the installation between first metal pad and corresponding second metal pad
The soldering pad connection line connection of seat.
According to the utility model, the probe mounting groove is provided with the first opening and the second opening, and described first, which is open, is used for
The inner ring of the probe mounting groove and the mounting groove is connected, second opening is positioned at the side of the mounting seat, for institute
State the loading of probe coil.
According to the utility model, first metal pad, second metal pad, the soldering pad connection line with it is described
Sensor support base is integrally formed.
According to the utility model, the shell body and second metal pad institute at one end relative one end provided with the 3rd
Metal pad, the side that first magnetic conductor is located at where the 3rd metal pad, the lead of the magnetizing coil and institute
State the connection of the 3rd metal pad.
According to the utility model, the shell body is provided with the conductive pole through its both ends, the conductive pole and multiple institutes
The lead for stating magnetizing coil is corresponded, and the lead of the magnetizing coil is connected with one end of the conductive pole of its side.
According to the utility model, the detection probe is located in the mounting groove towards the end face on the inside of the fixed plate
Portion, and the diameter of the fixed plate inner ring is less than the inner ring diameter that multiple first magnetic poles surround.
The utility model additionally provides a kind of magnetic suspension motor, including above-mentioned permanent magnetism off-set magnetic suspension unit.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the following advantages that compared with prior art：The utility model embodiment carries
The permanent magnetism off-set magnetic suspension unit of confession integrates permanent magnet offset radial magnetic bearing and radial displacement transducer, sensor branch
The fixed plate of seat is located at the inside of permanent magnet offset radial magnetic bearing, for detection probe is fixed on into permanent magnet offset radial magnetic bearing
In internal space, the inner space of permanent magnet biased magnetic bearing is taken full advantage of so that the structure of magnetic suspension motor is compacter,
And it is easy to assemble；The through hole between the shell body of sensor support base and fixed plate realizes fixation and the limit of permanent magnets simultaneously
Position, the first magnetic conductor and the second magnetic conductor are each attached on the inwall of shell body, are easy to position between the first magnetic pole and permanent magnets,
The globality and positioning precision of the magnetic suspension unit are improved, reduces assembly cost.
Brief description of the drawings
Fig. 1 is the decomposing schematic representation of the permanent magnetism off-set magnetic suspension unit of the utility model embodiment；
Fig. 2 is the decomposing schematic representation of the permanent magnetism off-set magnetic suspension unit of the utility model embodiment；
Fig. 3 is the top view of the permanent magnetism off-set magnetic suspension unit of the utility model embodiment；
Fig. 4 is Fig. 3 A-A to sectional view；
Fig. 5 is Fig. 3 B-B direction sectional view；
Fig. 6 is the structural representation of the sensor support base of the utility model embodiment；
Fig. 7 is the decomposing schematic representation of the permanent magnetism off-set magnetic suspension unit of another embodiment of the utility model；
Fig. 8 is the decomposing schematic representation of the permanent magnetism off-set magnetic suspension unit of another embodiment of the utility model；
Fig. 9 is the structural representation of the radial displacement transducer of the utility model embodiment.
In figure：1：Radial displacement transducer；11：Sensor support base；111：Shell body；112：Fixed plate；113：Through hole；
114：Mounting groove；1141：First opening；1142：Second opening；12：Detection probe；13：First metal pad；14：Second gold medal
Belong to pad：15：3rd metal pad；16：4th metal pad；17：Conductive pole；2：First magnetic conductor；3：Second magnetic conductor；4：
First magnetic pole；5：Magnetizing coil；6：Permanent magnets.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
As shown in figs 1 to 6, a kind of permanent magnetism off-set magnetic suspension unit that the utility model embodiment provides, including permanent magnetism are inclined
Put radial direction magnetic bearing and radial displacement transducer 1；Permanent magnet offset radial magnetic bearing includes the He of the first magnetic conductor 2 be arrangeding in parallel
Second magnetic conductor 3, the inside of the first magnetic conductor 2 are provided with multiple first magnetic poles 4, and each first magnetic pole 4 is wound with magnetizing coil 5,
Multiple permanent magnets 6, and the position of multiple permanent magnets 6 circumferentially and multiple first magnetic poles 4 are provided between adjacent two layers magnetic conductor
Correspond；Radial displacement transducer 1 includes sensor support base 11, and sensor support base 11 includes shell body 111 and is arranged on
The fixed plate 112 of the annular of shell body 111；The inner ring of fixed plate 112 is provided with multiple mounting grooves 114, in each mounting groove 114
It is fixed with a detection probe 12；Preferably, the quantity of detection probe 12 is 4, and 4 detection probes 12 detect to be measured turn respectively
The displacement of the positive negative direction of X-axis and the positive negative direction of Y-axis of axle.First magnetic conductor 2 and the second magnetic conductor 3 are both secured to shell body
On 111 inwall, and the first magnetic conductor 2 and the second magnetic conductor 3 are located at the both sides of fixed plate 112, fixed plate 112 and shell respectively
The junction of body 111 is provided with multiple through holes 113, and permanent magnets 6 are fixed in through hole 113.
The permanent magnetism off-set magnetic suspension unit that the utility model embodiment provides is by permanent magnet offset radial magnetic bearing and radial direction position
Displacement sensor 1 integrates, and the fixed plate 112 of sensor support base 11 is located at the inside of permanent magnet offset radial magnetic bearing, is used for
Detection probe 12 is fixed in the space inside permanent magnet offset radial magnetic bearing, takes full advantage of the interior of permanent magnet biased magnetic bearing
Portion space so that the structure of magnetic suspension motor is compacter, and is easy to assemble；The shell body 111 of sensor support base 11 simultaneously
Through hole 113 between fixed plate 112 realizes the fixation of permanent magnets 6 and spacing, the first magnetic conductor 2 and the second magnetic conductor 3
It is each attached on the inwall of shell body 111, is easy to position between the first magnetic pole 4 and permanent magnets 6, improves the magnetic suspension unit
Globality and positioning precision, reduce assembly cost.
Preferably, as shown in figure 3, detection probe 12 is located at installation towards the end face of the inner side of fixed plate 112 in the present embodiment
Inside groove 114, and the diameter of the inner ring of fixed plate 112 is less than the inner ring diameter that multiple first magnetic poles 4 surround.It ensure that detection probe
12 will not be collided by axle to be detected, and because the inner ring diameter of fixed plate 112 is straight less than the inner ring that multiple first magnetic poles 4 surround
Footpath, the inner ring of fixed plate 112 have been also used as floating ring, have further improved the integrated level of the magnetic suspension unit, reduce volume.
Preferably, the first magnetic conductor 2 and the second magnetic conductor 3 pass through bonding connection with shell body 111 in the present embodiment.It is viscous
The connected mode connect simplifies assembly technology, it is necessary to explanation, the first magnetic conductor 2 and the second magnetic conductor 3 and shell body 111
Connected mode is not limited to be bonded or other connected modes such as embedded.
Preferably, detection probe 12 is probe coil in the present embodiment, and the surface of sensor support base 11 is provided with multiple first
Metal pad 13, the first metal pad 13 are connected with the lead-out wire of probe coil, are connected as probe coil with fore-lying device cable
Transition.Probe coil is directly anchored in mounting groove 114, eliminates the coil winding skeleton in existing sensor construction, knot
Structure is simple, simplifies preparation technology, first metal pad 13 on the surface of sensor support base 11 can with the one of sensor support base 11 into
Type, such as injection molding, further simplify the preparation technology of radial displacement transducer 1.
Preferably, as shown in figures 1 to 6, the first metal pad 13 is arranged on the wire outlet position of mounting groove 114 in the present embodiment
Edge is put, the surface of sensor support base 11 is additionally provided with the second metal pad 14, and the second metal pad 14 is located at the end of shell body 111
On face, for connecting fore-lying device cable；By being fixed on peace between first metal pad 13 and corresponding second metal pad 14
Fill the soldering pad connection line (not shown) connection of seat.By the second metal pad 14 for being arranged on the end face of shell body 111 with
Fore-lying device cable connects, and is connected between the first metal pad 13 and corresponding second metal pad 14 by fixed soldering pad connection line
Connect, on the one hand shorten the length of the lead-out wire of probe coil and the length of fore-lying device connection cables, reduce fly line, avoid
Line junction stress caused by current vortex sensor rotary work causes to connect thread breakage, ensure that the reliable of connection
Property；On the other hand, can according to radial displacement transducer 1 using when actual outlet position design the second metal pad 14
Position, the position setting of the second metal pad 14 are more flexible.It should be noted that those skilled in the art can be according to reality
Need only to set the first metal pad 13, probe coil and fore-lying device cable are both connected on the first metal pad 13, can also
It is to set the first metal pad 13 and the second metal pad 14 to connect fore-lying device cable respectively.
Preferably, as shown in fig. 6, mounting groove 114 of being popped one's head in the present embodiment is provided with the first opening 1141 and the second opening
1142, the first opening 1141 is used for the inner ring for connecting probe mounting groove 114 and mounting groove 114, and the second opening 1142 is positioned at installation
The side of seat, the loading for probe coil.First opening 1141 be used for connect probe mounting groove 114 and mounting groove 114 it is interior
Circle is easy to the detection of probe coil, and the second opening 1142 is easy to the loading and fixation of probe coil, and the assembling of probe coil is more
Add simple.
Preferably, the first metal pad 13, the second metal pad 14, soldering pad connection line and sensor support base in the present embodiment
11 are integrally formed.It can be a variety of molding modes such as injection molding, compression molding to be integrally formed, specifically can be according to sensor
The material of bearing 11 and pad is selected, and integrally formed mode simplifies the preparation technology of radial displacement transducer 1,
Greatly reduce production cost.
Preferably, as shown in Fig. 2 in the present embodiment the metal pad 14 of shell body 111 and second at one end relative one
End is provided with the 3rd metal pad 15, and the first magnetic conductor 2 is located at the side where the 3rd metal pad 15, the lead of magnetizing coil 5
It is connected with the 3rd metal pad 15.3rd metal pad 15 is arranged on shell body 111, can be used as magnetizing coil 5 and the external world
One transition of connection so that magnetizing coil 5 and the connection in the external world are relatively reliable.Preferably, where the second metal pad 14
The one end of shell body 111 is additionally provided with the 4th metal pad 16, and the 4th metal pad 16 and the 3rd metal pad 15 are by embedded in shell
Line connection is welded to connect inside body 111 so that magnetizing coil 5 is finally connected with the external world and radial displacement transducer and the external world
Connection uses same outlet position, and assembling is more convenient, and connection is relatively reliable.
In order that the convenience that magnetizing coil 5 is connected with the external world, additionally provides another embodiment, as Figure 7-9, shell
Body 111 is provided with the conductive pole 17 through its both ends, and the lead of conductive pole 17 and multiple magnetizing coils 5 corresponds, excitatory line
The lead of circle 5 is connected with one end of the conductive pole 17 of its side, and the other end of conductive pole 17 is used to be connected with the external world, conductive
Post 17 can be embedded in shell body 111 by embedded mode or is integrally formed with shell body 111, in the present embodiment
Overall processing mode is simplified by way of conductive pole 17 is set.
The utility model embodiment additionally provides a kind of magnetic suspension motor, including above-mentioned permanent magnetism off-set magnetic suspension unit.
The permanent magnetism off-set magnetic suspension unit integrated level that the present embodiment provides is high, small volume, is advantageous to reduce the overall body of magnetic suspension motor
Product.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
- A kind of 1. permanent magnetism off-set magnetic suspension unit, it is characterised in that：Passed including permanent magnet offset radial magnetic bearing and radial displacement Sensor；The permanent magnet offset radial magnetic bearing includes the first magnetic conductor and the second magnetic conductor be arrangeding in parallel, first magnetic conductor Inside is provided with multiple first magnetic poles, and each first magnetic pole is wound with magnetizing coil, between magnetic conductor described in adjacent two layers Provided with multiple permanent magnets, and the position of multiple permanent magnets circumferentially corresponds with multiple first magnetic poles；The radial displacement transducer includes sensor support base, and the sensor support base includes shell body and is arranged on shell body The fixed plate of annular；The inner ring of the fixed plate is provided with multiple mounting grooves, and an inspection is fixed with each mounting groove Probing head；First magnetic conductor and the second magnetic conductor are both secured on the inwall of the shell body, and first magnetic conductor and Two magnetic conductors are located at the both sides of the fixed plate respectively, and the fixed plate and the junction of the shell body are provided with multiple through holes, The permanent magnets are fixed in the through hole.
- 2. permanent magnetism off-set magnetic suspension unit according to claim 1, it is characterised in that：First magnetic conductor and second is led Magnet passes through bonding connection with the shell body.
- 3. permanent magnetism off-set magnetic suspension unit according to claim 1, it is characterised in that：The detection probe is probe wire Circle, the surface of the sensor support base are provided with multiple first metal pads, first metal pad and the probe coil Lead-out wire connects.
- 4. permanent magnetism off-set magnetic suspension unit according to claim 3, it is characterised in that：First metal pad is arranged on The outlet position edge of the mounting groove, the surface of the sensor support base are additionally provided with the second metal pad, second gold medal Category pad is located on the shell body end face, for connecting fore-lying device cable；First metal pad and corresponding described Connected between two metal pads by being fixed on the soldering pad connection line of the mounting seat.
- 5. permanent magnetism off-set magnetic suspension unit according to claim 4, it is characterised in that：The probe mounting groove is provided with first Opening and second opening, described first be open for connect it is described probe mounting groove and the mounting groove inner ring, described second Opening is positioned at the side of the mounting seat, the loading for the probe coil.
- 6. permanent magnetism off-set magnetic suspension unit according to claim 4, it is characterised in that：It is first metal pad, described Second metal pad, the soldering pad connection line and the sensor support base are integrally formed.
- 7. permanent magnetism off-set magnetic suspension unit according to claim 4, it is characterised in that：The shell body and second gold medal Category pad at one end relative one end be provided with the 3rd metal pad, first magnetic conductor is located at the 3rd metal pad institute Side, the lead of the magnetizing coil is connected with the 3rd metal pad.
- 8. permanent magnetism off-set magnetic suspension unit according to claim 4, it is characterised in that：The shell body, which is provided with, runs through it The conductive pole at both ends, the lead of the conductive pole and multiple magnetizing coils correspond, the lead of the magnetizing coil with One end connection of the conductive pole of its side.
- 9. permanent magnetism off-set magnetic suspension unit according to claim 1, it is characterised in that：The detection probe is towards described solid End face on the inside of fixed board is located inside the mounting groove, and the diameter of the fixed plate inner ring encloses less than multiple first magnetic poles Into inner ring diameter.
- A kind of 10. magnetic suspension motor, it is characterised in that：Including the permanent magnetism off-set magnetic suspension as described in claim any one of 1-9 Unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951670.0U CN207049193U (en) | 2017-08-01 | 2017-08-01 | A kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951670.0U CN207049193U (en) | 2017-08-01 | 2017-08-01 | A kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension motor |
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| Publication Number | Publication Date |
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| CN207049193U true CN207049193U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720951670.0U Active CN207049193U (en) | 2017-08-01 | 2017-08-01 | A kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029231A (en) * | 2018-06-25 | 2018-12-18 | 深圳麦格动力技术有限公司 | A kind of current vortex sensor and its processing technology and a kind of magnetic suspension motor |
| CN110131314A (en) * | 2019-06-12 | 2019-08-16 | 珠海格力电器股份有限公司 | Magnetic suspension bearing, motor, compressor and air conditioner |
| CN110966304A (en) * | 2019-12-25 | 2020-04-07 | 珠海格力电器股份有限公司 | Magnetic suspension bearing lead structure and forming method thereof, magnetic suspension bearing and motor |
| CN111023957A (en) * | 2019-12-20 | 2020-04-17 | 北京航空航天大学 | High-temperature-resistant radial displacement sensor device |
| CN109681749B (en) * | 2018-12-19 | 2020-04-24 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Rotor position detection installation assembly and magnetic suspension bearing |
| CN112564400A (en) * | 2019-05-13 | 2021-03-26 | 珠海格力电器股份有限公司 | Magnetic suspension bearing, motor, compressor and air conditioner |
| CN112727921A (en) * | 2020-12-23 | 2021-04-30 | 北京航空航天大学 | Super-stable super-static single-shaft rotary table supported by active magnetic suspension bearing |
-
2017
- 2017-08-01 CN CN201720951670.0U patent/CN207049193U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029231A (en) * | 2018-06-25 | 2018-12-18 | 深圳麦格动力技术有限公司 | A kind of current vortex sensor and its processing technology and a kind of magnetic suspension motor |
| CN109681749B (en) * | 2018-12-19 | 2020-04-24 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Rotor position detection installation assembly and magnetic suspension bearing |
| CN112564400A (en) * | 2019-05-13 | 2021-03-26 | 珠海格力电器股份有限公司 | Magnetic suspension bearing, motor, compressor and air conditioner |
| CN112564400B (en) * | 2019-05-13 | 2022-05-17 | 珠海格力电器股份有限公司 | Magnetic suspension bearing, motor, compressor and air conditioner |
| CN110131314A (en) * | 2019-06-12 | 2019-08-16 | 珠海格力电器股份有限公司 | Magnetic suspension bearing, motor, compressor and air conditioner |
| CN110131314B (en) * | 2019-06-12 | 2020-06-30 | 珠海格力电器股份有限公司 | Magnetic suspension bearing, motor, compressor and air conditioner |
| CN111023957A (en) * | 2019-12-20 | 2020-04-17 | 北京航空航天大学 | High-temperature-resistant radial displacement sensor device |
| CN111023957B (en) * | 2019-12-20 | 2021-05-28 | 北京航空航天大学 | High-temperature-resistant radial displacement sensor device |
| CN110966304A (en) * | 2019-12-25 | 2020-04-07 | 珠海格力电器股份有限公司 | Magnetic suspension bearing lead structure and forming method thereof, magnetic suspension bearing and motor |
| CN110966304B (en) * | 2019-12-25 | 2024-04-05 | 珠海格力电器股份有限公司 | Magnetic bearing lead structure, forming method thereof, magnetic bearing and motor |
| CN112727921A (en) * | 2020-12-23 | 2021-04-30 | 北京航空航天大学 | Super-stable super-static single-shaft rotary table supported by active magnetic suspension bearing |
| CN112727921B (en) * | 2020-12-23 | 2021-09-14 | 北京航空航天大学 | Super-stable super-static single-shaft rotary table supported by active magnetic suspension bearing |
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