CN1937093A - Rotary dynamic magnetic shieding method - Google Patents
Rotary dynamic magnetic shieding method Download PDFInfo
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- CN1937093A CN1937093A CN 200610047944 CN200610047944A CN1937093A CN 1937093 A CN1937093 A CN 1937093A CN 200610047944 CN200610047944 CN 200610047944 CN 200610047944 A CN200610047944 A CN 200610047944A CN 1937093 A CN1937093 A CN 1937093A
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- magnetic shielding
- shielding housing
- passed
- rotation
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000956 alloy Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000004907 flux Effects 0.000 abstract description 10
- 229910001004 magnetic alloy Inorganic materials 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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Abstract
Using high magnetic conductity and low coercive force of soft magnetic alloys forms a revolving dynamic magnetic shielding method. A revolving and a non-revolving magnetic shielding body case are designed. Paired isometric flux leakage holes are prepared on the magnetic shielding body case so as to produce purpose made magnetic shielding body case. When flux leakage holes on the revolving magnetic shielding body case are superposed to flux leakage holes on the non-revolving magnetic shielding body case, magnetic lines are passed through flux leakage holes. When flux leakage holes on the revolving case are staggered to flux leakage holes on the non-revolving case, close magnetic shielding body case is formed, and magnetic lines are through the magnetic shielding body cases. The invention can carry out dynamic magnetic shielding, and non-dynamic magnetic shielding for object in magnetic field at any time and any place in order to reach purposes of safe operation and saving energy.
Description
Technical field
The invention belongs to the technical field of magnetic shielding, particularly be to utilize magnetically soft alloy material to constitute a kind of method with rotary dynamic magnetic shieding function.
Background technology
At present, in the technical field of the magnetic shielding of low frequency magnetic field, generally be to utilize magnetically soft alloy material to make a kind of changeless enclosed magnetic shield for the object that requires to carry out magnetic shielding.Requirement that they can not use according to reality, controllable real-time continuous ground carry out magnetic shielding and non-magnetic shielding to object in magnetic field, and therefore, it has greatly limited usable range and the widely practical value of magnetic shielding technology in magnetic field.
Summary of the invention
The purpose of this invention is to provide a kind of characteristic of utilizing magnetically soft alloy material, make a kind of revolving method that can carry out magnetic shielding continuously dynamically, to reach in low frequency magnetic field to requiring to carry out the controllable purpose of carrying out magnetic shielding and non-magnetic shielding of object of magnetic shielding.
Technical scheme of the present invention is by the use magnetically soft alloy material, and one of object making and settlement that require to carry out magnetic shielding are had rotation magnetic shielding housing and non-rotating magnetic shielding housing, and a kind of magnetic shielding housing that can pivot of forming.On each magnetic shielding housing, all offer the leakage field hole of paired equivalent.When rotation magnetic shielding housing turns to when overlapping the position with the leakage field hole of the paired equivalent of non-rotating magnetic shielding housing, the magnetic line of force in magnetic field has just passed through paired leakage field hole, and the while magnetic line of force has just passed the object of conductively-closed.Otherwise, when their the leakage field hole of paired equivalent is in the position of staggering, thereby when having formed the magnetic shielding housing of a sealing, this moment, the magnetic line of force in magnetic field just passed through very low flux path, i.e. the body of the magnetic shielding housing of magnetic bypass and by by the object of magnetic shielding.
The device that the method according to this invention is made mainly contains two parts and forms:
First is called rotation magnetic shielding housing, and it is to use magnetically soft alloy material to make, and its shape is the drum that ground is all sealed about in the of, and the magnetic shielding housing that can pivot.On the axial direction on its drum surface, offer paired symmetrical leakage field hole, and the number in the leakage field hole of the size of the drum of this magnetic shielding housing and symmetry and size will be according to being decided by the parameter of magnetic shielding object.Under the driving of power outside, when rotation magnetic shielding housing turned to certain angle position, the effect in the leakage field hole that this is symmetrical was exactly to play a part leakage field.
Second portion is called fixed magnetic shielding housing, and it and first are different is it by coaxial package on the inside of first or outside position, and is fixed.On the axial direction on drum surface, also all offer the symmetrical leakage field hole of the paired equivalent identical with the rotation magnetic shielding housing of first, the effect in these leakage field holes is worked in order to cooperate first's rotation magnetic shielding housing, promptly plays a part magnetic shielding and play a part non-magnetic shielding again when certain position when certain position.
Outside under the driving of power, when the rotation magnetic shielding housing of first when pivoting, the paired leakage field hole of first is rotated to the leakage field hole of the paired equivalent of second portion to be in when overlapping the position, then the magnetic line of force in magnetic field has just passed through the leakage field hole of symmetrical equivalent at this moment, and has passed the object of conductively-closed.Be in the position of staggering and revolve the leakage field hole that turns to the paired equivalent of second portion when the paired leakage field hole of first, and when having formed the magnetic shielding housing of a sealing, this moment, the magnetic line of force in magnetic field was the body of the magnetic shielding housing of magnetic bypass with regard to having passed through very low flux path, and did not pass the object of conductively-closed.
It is to be noted, can be along the both forward and reverse directions coaxial rotation for possessing simultaneously of making according to method of the present invention, and be sleeved on magnetic shielding casing device together, its second portion difference be to have can along with the function of the reverse direction coaxial rotation of first.Under their the magnetic shielding housing driving of power outside, can be when the position that overlaps along leakage field hole that both forward and reverse directions relatively rotates paired equivalent, the magnetic field magnetic line of this moment has just passed through the leakage field hole of paired equivalent, and has passed the object of conductively-closed.When the leakage field hole that they relatively rotate paired equivalent all is in staggered positions, then formed the magnetic shielding housing of a sealing, the magnetic field magnetic line of this moment has passed through the body of magnetic shielding housing, and can not pass the object of conductively-closed, reached by the effect of the magnetic shielding of magnetic shielding object with this.
Effect of the present invention and benefit are by using rotary dynamic magnetic shieding method, can produce and variously be suitable under the low frequency magnetic field background of reality, using, and solve the problem that to carry out continuously dynamic magnetic shielding and non-magnetic shielding to object.This contrive equipment manufacturing and easy to use, and the safe operation and the energy-conservation effective method that provides of relevant devices can be provided.
Description of drawings
Accompanying drawing 1 is to utilize the synoptic diagram of rotary dynamic magnetic screen method in generator application.
Among the figure: 1 main pole, 2 field copper, 3 armature winding, 4 armature cores, 5 symmetrical leakage field holes (two pairs of leakage field holes are on the position that is positioned at main magnetic circuit 10), the armature spindle of 6 rotation shield shells, the rotor of 7 rotation shield shells, 8 air gaps (the S utmost point), 9 air gaps (the N utmost point), 10 main magnetic circuits, 11 electric machine casings, 12 motor cabinets.
Accompanying drawing 2 is to rotate the rotor of magnetic shielding housing in accompanying drawing 1 synoptic diagram at the position view that turns over around the armature spindle that rotates shield shell after 45 °.
Among the figure: the rotor 7 of rotation magnetic shielding housing is that the armature spindle 6 around the rotation shield shell turns over the position after 45 °, and promptly the leakage field hole 5 of two pairs symmetry is in the position of staggering with main magnetic circuit 10.What particularly point out is that the original motor rotor of being made up of armature winding 3 and armature core 4 maintains static moving when 7 rotations of rotation shield shell rotor.
Embodiment
Be described in detail the specific embodiment of the present invention below in conjunction with technical scheme and accompanying drawing.
To have used the method with individual layer rotary dynamic magnetic shieding body in generator is example: as shown in Figure 1, its that has used a drum that the 1J50 material makes be the rotor 7 of the revolving magnetic shielding housing of face closure up and down, it is installed in and is positioned at main pole 1, field copper 2 and armature winding 3, air gap 8 between the armature core 4 (the S utmost point), on the position of air gap 9 (the N utmost point), and it can be around armature spindle 6 rotations of magnetic shielding housing.
On the position of the axial vane surface of the drum of the rotor 7 of rotation magnetic shielding housing, offer two pairs of totally 4 leakage field holes 5 that claim 90 ° mutually, the leakage field hole 5 of the symmetry in Fig. 1 is the position that faces main magnetic circuit 10.And the leakage field hole 5 of symmetry is to turn over 45 ° position around the armature spindle 6 of magnetic shielding housing in Fig. 2, and the leakage field hole 5 that is symmetry is in the position of staggering with main magnetic circuit 10.
Rotary dynamic magnetic shieding generator of the present invention and traditional generator are similar substantially, and different is its air gap 8 (the S utmost point), and the space of air gap 9 (the N utmost point) is big, and this is to make for the rotor 7 that rotation magnetic shielding housing is installed.What particularly point out is the former rotor of forming by armature winding 3 and armature core 4, when novel electricity generator of the present invention work is to maintain static movingly all the time, and the rotor 7 of magnetic shielding housing that has only rotation is in rotation.
The driving of power outside of this generator is down during work, and when the rotor 7 of rotation magnetic shielding housing during around axle 6 rotations, when the leakage field hole 5 of the symmetry of magnetic shielding housing forwarded the position that is positioned at main magnetic circuit 10 to, then Ci Shi the magnetic line of force had just passed through symmetrical leakage field hole 5.Otherwise, when the rotor 7 of rotation magnetic shielding housing after armature spindle 6 rotations of magnetic shielding housing, when both the leakage field hole 5 of symmetry is in the position of staggering with main magnetic circuit 10, be that the leakage field hole 5 of symmetry is to turn over 45 ° position around the armature spindle 6 of magnetic shielding housing shown in the accompanying drawing 2.According to the magnetic conductivity of high permeability material, the magnetic line of force of this moment has just passed through very low flux path, i.e. the magnetic shielding housing of magnetic bypass, and then the magnetic line of force has just passed through this magnetic shielding housing 7.According to the law of electromagnetic induction: variation has just taken place in the magnetic flux of the former rotor of being made up of armature winding 3 and armature core 4 in this generator, therefore, just must have the generation of induction electromotive force in armature winding 3.
Therefore, in actual engineering, can make various forms of rotary dynamic magnetic shieding devices, and dynamically the object that requires magnetic shielding be carried out magnetic shielding and non-magnetic shielding continuously anywhere or anytime by using rotary dynamic magnetic shieding method.The safe operation and the energy-conservation effective method that provides of equipment can be provided this rotary dynamic magnetic shieding method.
Claims (1)
1. rotary dynamic magnetic shieding method is characterized in that:
1) makes a magnetic shielding housing that uses magnetically soft alloy material to make by object to magnetic shielding, and on the magnetic shielding housing, offer paired leakage field hole, and be formed in its magnetic shielding housings face closure up and down and the two kinds of forms global shell shape that drum is arranged on the planform, the branch that the magnetic shielding housing of single hull and multilayer shell is arranged on the shielding number of plies of magnetic shielding housing, the magnetic shielding housing that individual layer rotation is arranged on the rotation mode of magnetic shielding housing, have the magnetic shielding housing that is sleeved on when possessing rotation and non-rotating branch together and can the while along the magnetic shielding housing of the coaxial rotation of both forward and reverse directions;
2) in the revolving magnetic shielding housing of individual layer, when the magnetic shielding housing (7) that rotates turns to paired leakage field hole (5) when facing toward main magnetic circuit (10) position in magnetic field, then the magnetic line of force in magnetic field has just passed through paired leakage field hole (5), and passed the object (3) of conductively-closed, when the main magnetic circuit (10) in paired leakage field hole (5) that the magnetic shielding housing (7) of rotation turns to it and magnetic field is in the position of staggering, the magnetic line of force in the magnetic field of this moment has just passed through the magnetic shielding housing (7) of rotation, and can not pass the object (3) of conductively-closed;
3) be sleeved on together magnetic shielding housing when having rotation and non-rotating branch, when rotation magnetic shielding housing turns to leakage field hole with the paired equivalent of non-rotating magnetic shielding housing in the position that overlaps, the magnetic field magnetic line of this moment has just passed through paired leakage field hole, and passed the object of conductively-closed, when the leakage field hole that they rotate to paired equivalent all is in staggered positions, then formed the magnetic shielding housing of a sealing, the magnetic field magnetic line of this moment has just passed through the magnetic shielding housing, and can not pass the object of conductively-closed;
4) for can be simultaneously along the both forward and reverse directions coaxial rotation, and be sleeved on magnetic shielding housing together, when leakage field hole that their magnetic shielding housing relatively rotates paired equivalent during in the position that overlaps, the magnetic field magnetic line of this moment has just passed through the leakage field hole, and passed the object of conductively-closed, when the leakage field hole that they relatively rotate paired equivalent all is in staggered positions, then formed the magnetic shielding housing of a sealing, the magnetic field magnetic line of this moment has passed through the magnetic shielding housing, and can not pass the object of conductively-closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047944 CN1937093A (en) | 2006-09-26 | 2006-09-26 | Rotary dynamic magnetic shieding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047944 CN1937093A (en) | 2006-09-26 | 2006-09-26 | Rotary dynamic magnetic shieding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1937093A true CN1937093A (en) | 2007-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610047944 Pending CN1937093A (en) | 2006-09-26 | 2006-09-26 | Rotary dynamic magnetic shieding method |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010130216A1 (en) * | 2009-05-14 | 2010-11-18 | 天地泰科技(香港)有限公司 | Permanent magnet shield device and application system thereof |
| WO2010145558A1 (en) * | 2009-06-19 | 2010-12-23 | 天地泰科技(香港)有限公司 | Permanent magnet shield device and application system thereof |
| CN103532327A (en) * | 2013-10-10 | 2014-01-22 | 车晋绥 | Brushless three-phase AC (alternating current) generator |
| CN106921271A (en) * | 2015-12-24 | 2017-07-04 | 奥迪股份公司 | For the motor and motor vehicle of motor vehicle |
| CN109946527A (en) * | 2019-04-12 | 2019-06-28 | 南安米巢装饰设计有限公司 | A kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing |
-
2006
- 2006-09-26 CN CN 200610047944 patent/CN1937093A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010130216A1 (en) * | 2009-05-14 | 2010-11-18 | 天地泰科技(香港)有限公司 | Permanent magnet shield device and application system thereof |
| WO2010145558A1 (en) * | 2009-06-19 | 2010-12-23 | 天地泰科技(香港)有限公司 | Permanent magnet shield device and application system thereof |
| CN103532327A (en) * | 2013-10-10 | 2014-01-22 | 车晋绥 | Brushless three-phase AC (alternating current) generator |
| CN103532327B (en) * | 2013-10-10 | 2016-01-06 | 车晋绥 | Brushless threephase alternator |
| CN106921271A (en) * | 2015-12-24 | 2017-07-04 | 奥迪股份公司 | For the motor and motor vehicle of motor vehicle |
| CN106921271B (en) * | 2015-12-24 | 2020-07-07 | 奥迪股份公司 | Motor for motor vehicle and motor vehicle |
| CN109946527A (en) * | 2019-04-12 | 2019-06-28 | 南安米巢装饰设计有限公司 | A kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing |
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