CN101877523A - Shield device for annular permanent magnet - Google Patents
Shield device for annular permanent magnet Download PDFInfo
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- CN101877523A CN101877523A CN2009100829983A CN200910082998A CN101877523A CN 101877523 A CN101877523 A CN 101877523A CN 2009100829983 A CN2009100829983 A CN 2009100829983A CN 200910082998 A CN200910082998 A CN 200910082998A CN 101877523 A CN101877523 A CN 101877523A
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- permanent magnet
- annular permanent
- shielding body
- shield
- swing
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Abstract
The invention relates to a shield device for an annular permanent magnet. In the device, a machine frame is provided with a central axis; the central axis is provided with the annular permanent magnet; at least one rotary shield body is arranged outside the annular permanent magnet; the rotary shield body is fan-shaped, and the fan-shaped fracture surface of the rotary shield body is [-shaped; and the rotary shield body is arranged on the central axis through a rotary connecting piece. The device can realize that a rotary shielding case rotates around the central axis and has the characteristic of uniform stress by adopting a design that at least one rotary shielding case is arranged outside the annular permanent magnet, can realize open and close of each swing shielding case just through small power input of dynamic input wheels by adopting a design that at least two swing shielding cases are arranged out the annular permanent magnet, and each swing shielding case is arranged on the central axis through a swing connecting piece, and ensures that a concentrating flux sleeve and the rotary shielding cases form a concentrating flux loop by adopting the design of the concentrating flux sleeve so as to effectively increase the magnetic flux and reduce magnetic field loss.
Description
Technical field
The present invention relates to a kind of shield device for annular permanent magnet, be particularly related to a kind of screening arrangement that annular permanent magnet and rotary shielding body are installed, this screening arrangement drives rotary shielding body by power input wheel and does rotation and reciprocating motion, and described shield device for annular permanent magnet can utilize rotation magnetic screen principle generation electric energy can utilize the magnetic attachment of annular permanent magnet again and repel and produce actuating force.
Background technology
The patent No. is that ZL00252880.0 discloses a kind of high ability of pulling in permanent magnet synchronous motor, comprise support and assemble its interior stator, the rotor that constitutes by rotating shaft, iron core, permanent magnet, a mouse cage sliver, it is characterized in that radially-arranged permanent magnet embeds in the permanent magnet trough of rotor core, permanent magnet trough is positioned at the rotor below, has every the magnetic magnetic bridge between two grooves.The ability of pulling in of this motor is strong, and its power factor and efficient all increase simple in structure, and is easy to make, but the overall structure imperfection of this patent, and there is not housing in motor internal, can not realize the effect that shields; Therefore, need provide a kind of novel shield device for annular permanent magnet to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of shield device for annular permanent magnet, in this device annular permanent magnet is installed, be outside equipped with rotary shielding body at annular permanent magnet, this screening arrangement drives rotary shielding body by power input wheel and makes rotation and reciprocally swinging, by power coil the electric energy that produces is exported, with the actuating force output that produces, this device can realize that electric energy output can realize actuating force output again, has improved the magnetic energy conversion efficiency by linked frame.
The objective of the invention is to realize: a kind of shield device for annular permanent magnet by following technical proposals, a frame is arranged, on this frame, be provided with a central shaft, on this central shaft, annular permanent magnet be installed, be outside equipped with at least one rotary shielding body at described annular permanent magnet; This rotary shielding body is fan-shaped, and the fan-shaped section of this rotary shielding body is that [shape, this rotary shielding body is installed on the central shaft by rotating connector.
A kind of shield device for annular permanent magnet has a frame, is provided with a central shaft on this frame, on this central shaft annular permanent magnet is installed, and is outside equipped with at least two swing shields at described annular permanent magnet; This swing shield is fan-shaped, and the fan-shaped section of this swing shield is that [shape, the described shield of respectively swinging is respectively by the installation of swing connector and central shaft.
Compared with the prior art the present invention has following advantage:
1, the present invention adopts the design that is outside equipped with at least one rotary shielding body at described annular permanent magnet, can realize that rotary shielding body rotatablely moves around central shaft, and rotary shielding body of the present invention and the coaxial equidistant installation of annular permanent magnet have stressed even characteristics; When rotary shielding body is rotated, be not subjected to the interference of annular permanent magnet, only need just can realize the rotary shielding body rotation, to reach the purpose that changes magnetic field intensity in zones of different by the less power of power input wheel input;
2, the present invention adopts at described annular permanent magnet and is outside equipped with at least two swing shields; The described shield of respectively swinging is respectively by swinging the design that connector and central shaft are installed, only need just can to realize swinging shield and make the reciprocally swinging of rule, thereby realize respectively swinging unlatching and closure between shield around central shaft by the less power of power input wheel input; The present invention utilizes the reciprocally swinging of swing shield rule to make linked frame and annular permanent magnet produce relative motion up and down, thereby realizes bigger magnetic driving power output.
3, the present invention adopts the design of magnetic conduction sleeve, can make magnetic conduction sleeve and described rotary shielding body form magnetic conductive loop, effectively increases magnetic flux, reduces the magnetic energy loss, to increase the power output of electric energy.
4, the present invention adopts the design of magnet exciting coil, can be on this magnet exciting coil input current intermittently, make this magnet exciting coil produce a magnetic field identical with the annular permanent magnet pole orientation, under the effect of electric current, make the magnetic line of force moment that imports in the rotary shielding body saturated and penetrate rotary shielding body, form a repulsion magnetic field with magnetic pole between power coil and the shield this moment, can reduce a part of power coil to the attraction that rotary shielding body produces, and helps rotatablely moving of rotary shielding body.
5, rotary shielding body of the present invention adopts a slice silicon steel sheet material to be wound into blank, and the cutting forming technology is produced then, and this rotary shielding body material is even, and shield effectiveness is good.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the stereogram of the embodiment of the invention one
Fig. 2 is the front view of the embodiment of the invention one
Fig. 3 is the structural representation (longitudinal section) of the embodiment of the invention one
Fig. 4 is the schematic diagram of rotary shielding body in the embodiment of the invention one
Fig. 5 is the structural representation of the embodiment of the invention two
Fig. 6 is the Distribution of Magnetic Field schematic diagram of the embodiment of the invention two
Fig. 7 is the structural representation of the embodiment of the invention three
Fig. 8 is the Distribution of Magnetic Field schematic diagram of the embodiment of the invention three
Fig. 9 is the stereogram of the embodiment of the invention four
Figure 10 is the front view of the embodiment of the invention four
Figure 11 is the structural representation (longitudinal section) of the embodiment of the invention four
Figure 12 is the schematic diagram of swing shield in the embodiment of the invention four
Figure 13 is the stereogram of the embodiment of the invention five
Figure 14 is the front view of the embodiment of the invention five
Figure 15 is the front view of the embodiment of the invention six
Figure 16 is the stereogram of shield among the present invention
Embodiment
Embodiment one:
Extremely shown in Figure 3 referring to Fig. 1, the shield device for annular permanent magnet of present embodiment, a frame 1 is arranged, on this frame, fix a central shaft 2, annular permanent magnet 3 is installed on this central shaft, this annular permanent magnet and central shaft are interference to be installed, and is outside equipped with a rotary shielding body 4 at described annular permanent magnet; This rotary shielding body is fan-shaped, the fan-shaped section of this rotary shielding body is [shape, this rotary shielding body sector angle is 180 ° (semicircles), this rotary shielding body is installed on the central shaft by rotating connector 5, present embodiment is provided with two rotating connectors, be separately positioned on the rotary shielding body both sides, described rotating connector is fixedlyed connected with rotary shielding body both sides sidewall, respectively is provided with a bearing 6 in two rotating connectors; Thereby realize being rotationally connected of rotary shielding body and central shaft; There are a power input wheel 7 and described rotating connector to install; Power input wheel described in the present embodiment is a belt pulley; Annular permanent magnet described in the present embodiment is an axial charging, setting the annular permanent magnet left part is the N utmost point, right part is the S utmost point, and the distance values of the N pole-face of described annular permanent magnet to the S pole-face of the distance of rotary shielding body and described annular permanent magnet to rotary shielding body equates; This distance values is generally 0.1～1mm, is 1mm in the present embodiment.
The described shield device for annular permanent magnet of present embodiment can be applied to a Blast Furnace Top Gas Recovery Turbine Unit (TRT); The design of this Blast Furnace Top Gas Recovery Turbine Unit (TRT) is: with the external drive motors of power input wheel, drive rotary shielding body by drive motors and rotate; The power coil corresponding with the annular permanent magnet position 8 is installed on described frame; Shield rotates the magnetic field intensity that can change the power coil present position constantly to be changed, and produces electric energy in power coil.
The described shield device for annular permanent magnet of present embodiment also can be applicable to magnetic actuating force device, and it is former comprehends in embodiment six and describe, and does not do detailed description herein.
Described rotating connector can play positioning action to rotary shielding body, equates apart from distance between the rotary shielding body to guarantee annular permanent magnet, guarantees that the rotary shielding body rotation is smooth and easy; The orientation problem of described rotary shielding body on central shaft is to solve by two bearings that are installed in the rotating connector; The whole stainless steel that adopts of this rotating connector is made, and can not adsorbed by permanent magnet, is convenient to install.
Present embodiment adopts the design that is outside equipped with a rotary shielding body at described annular permanent magnet, can realize that rotary shielding body rotatablely moves around central shaft, and rotary shielding body of the present invention and the coaxial equidistant installation of annular permanent magnet have stressed even characteristics; When rotary shielding body is rotated, be not subjected to the interference of annular permanent magnet, only need just can realize the rotary shielding body rotation by the less power of power input wheel input; Present embodiment utilization rotation magnetic screen principle continues relatively little power of input by power input wheel, continues rotation in order to drive rotary shielding body, and magnetic flux is changed, and produces electric energy; And electric energy is exported by power coil.
Annular permanent magnet described in the present invention adopts the permanent magnet of being made by neodymium iron boron, and this kind permanent magnet has long advantage of low energy consumption service life.Referring to shown in Figure 16, described rotary shielding body adopts multilayer silicon steel sheet 16 to laminate formation, and its thickness is between 0.5～15mm, and the silicon steel sheet number of plies is between 2～60; Its production technology is the rectangle frame support body that a slice silicon steel sheet material is wound into multilayer, use then the cutting forming technology be processed into [shield of shape, the rotary shielding body that adopts this kind material to make is in light weight, material is even, draws materials easily; This rotary shielding body utilizes the silicon steel sheet magnetic conduction fast, and the characteristic that the magnetic conduction saturation is big is set up a magnetic line of force express passway for magnetic field, makes the magnetic line of force of the annular permanent magnet N best S utmost point form magnetic conductive loop.
Rotary shielding body in the present embodiment is made up of a shield; This rotary shielding body can also be made of a plurality of shields 15, and a plurality of shields are provided with axisymmetricly, and connects by two rotating connectors that are arranged on each shield both sides.As shown in Figure 4, the shield that described rotary shielding body has two sector angles to be 90 °, two shields are provided with axisymmetricly, and connect by two rotating connectors that are arranged on the shield both sides.Described shield sector angle can be provided with according to the real work needs, for example 30 °, 45 °, 90 °, 60 °, 180 ° etc., selects 180 ° in the present embodiment for use.
Embodiment two:
Present embodiment is an improved technical scheme on embodiment one basis, is not described in detail with embodiment one same section.Referring to Fig. 5, shown in Figure 6, outside described central shaft, be set with flux sleeve tube 9, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, and described magnetic conduction sleeve two ends and described rotary shielding body are slidingly connected, and these magnetic conduction sleeve two ends are provided with and the corresponding contact-making surface 10 of rotary shielding body.Present embodiment adopts such design, can make magnetic conduction sleeve and described rotary shielding body form magnetic conductive loop; Behind a part of magnetic field of rotary shielding body shielding annular permanent magnet, the magnetic line of force 13 of the N utmost point in this part magnetic field can't penetrate corresponding with it rotary shielding body left side wall, have to magnetic conduction passage trend along each the silicon steel sheet interlayer in the rotary shielding body, wherein the trend of a part of magnetic line of force upwards, and along rotary shielding body left side wall top, the magnetic conductive loop that forms of roof and right side wall top leads back the S utmost point in magnetic field; Wherein the trend of a part of magnetic line of force is downward, and along rotary shielding body left side wall bottom, the magnetic conductive loop that forms of magnetic conduction sleeve and right side wall bottom leads back the S utmost point in magnetic field; Guaranteed that magnetic circuit is unimpeded, reduced the rotary resistance of rotary shielding body, effectively increased magnetic flux, improved the magnetic field utilization ratio, reduced loss of field, to increase the power output of electric energy.Described magnetic conduction sleeve can adopt permeability magnetic materials such as iron, silicon steel sheet to make.
Embodiment three:
Present embodiment is an improved technical scheme on embodiment two bases, is not described in detail with embodiment two identical parts.Referring to Fig. 7, shown in Figure 8, at described magnetic conduction bush outer sleeve helical form magnet exciting coil 11 is housed, this magnet exciting coil is installed between described magnetic conduction sleeve and the annular permanent magnet, and fixing by the location collar 12 that is installed in the magnet exciting coil both sides.Because in the power generation process, described power coil can produce an attraction to rotary shielding body again, hinder shield and rotate; Therefore, can be on this magnet exciting coil input current, make this magnet exciting coil produce a magnetic field identical with the annular permanent magnet pole orientation, under the effect of electric current, make 14 moments of the magnetic line of force that import in the rotary shielding body saturated and penetrate rotary shielding body, can form a repulsion magnetic field with magnetic pole between power coil and the shield this moment, can reduce a part of power coil to the attraction that rotary shielding body produces, and helps rotatablely moving of rotary shielding body.Described input current is an intermittent current.
Embodiment four:
Present embodiment is an improved technical scheme on embodiment one basis, is not described in detail with embodiment one same section.Extremely shown in Figure 11 referring to Fig. 9, the shield device for annular permanent magnet of present embodiment, a frame 101 is arranged, on this frame, fix a central shaft 102, annular permanent magnet 103 is installed on this central shaft, this annular permanent magnet and central shaft are interference to be installed, and is outside equipped with two swing shields 104 at described annular permanent magnet; This swing shield is fan-shaped, the fan-shaped section of this swing shield be [shape, this swing shield sector angle is 90 °, the described shield of respectively swinging is installed by swing connector 105 and central shaft respectively; Present embodiment is provided with four swing connectors, is separately positioned on two swing shield both sides; Described swing connector is fixedlyed connected with swing shield two side respectively, respectively is provided with a bearing 106 in described four swing connectors, can realize respectively swinging being rotationally connected of shield and central shaft by above structure; There are two power input wheels 107 to install with the swing connector that is installed in swing shield both sides respectively; Power input wheel described in the present embodiment is a travelling gear; Annular permanent magnet described in the present embodiment is an axial charging, setting the annular permanent magnet left part is the N utmost point, right part is the S utmost point, and the N pole-face of described annular permanent magnet equates to each distance values of swinging shield with the S pole-face of described annular permanent magnet to the distance of each swing shield; This distance values is generally 0.1～1mm, is 1mm in the present embodiment.
The described shield device for annular permanent magnet of present embodiment is mainly used in magnetic actuating force device.Present embodiment adopts the design that is outside equipped with two swing shields at described annular permanent magnet, can realize respectively swinging shield and back and forth rotate around central shaft.Of the present inventionly respectively swing shield and the coaxial equidistant installation of annular permanent magnet, have stressed even characteristics; When the swing shield rotates, be not subjected to the interference of annular permanent magnet, only need, can realize that just two swing shields rotate by two less power of power input wheel input; Only need two power input wheels of control to rotate in the opposite direction, can realize that just two swing shields clocklike back and forth rotate to reach unlatching and the closure between the swing shield; The present invention utilizes the reciprocal rotation of swing shield rule to make linked frame (describing in detail among the embodiment five) produce relative motion up and down with annular permanent magnet, thereby realizes bigger magnetic driving power output.
The described shield device for annular permanent magnet of present embodiment also can be applicable to Blast Furnace Top Gas Recovery Turbine Unit (TRT), and its principle is identical with principle among the embodiment one, repeats no more; The power coil corresponding with the annular permanent magnet position 108 is installed on described frame.
Outside described central shaft, be set with flux sleeve tube 109, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, described magnetic conduction sleeve two ends and described swing shield are slidingly connected, and these magnetic conduction sleeve two ends are provided with and swing the corresponding contact-making surface 110 of shield.
At described magnetic conduction bush outer sleeve spiral magnet exciting coil 111 is housed, this magnet exciting coil is installed between described magnetic conduction sleeve and the annular permanent magnet, and fixes 112 by the location collar that is installed in the magnet exciting coil both sides.
Each is made up of two swing shields in the present embodiment a shield; Described swing shield can also be made of a plurality of shields 113 respectively, a plurality of shields are provided with axisymmetricly, and by being arranged on a plurality of swing connectors connections of each shield both sides, but consider practical application and cost of manufacture, the design of generally only adopting a plurality of shields to be connected with four swing connectors respectively; As shown in figure 12, described two swing shields are 45 ° shield by four sector angles to be formed, and by being arranged on four swing connectors connection of each shield both sides.Described shield sector angle can be provided with according to the real work needs, for example 30 °, 45 °, 90 °, 60 ° etc., selects 90 ° in the present embodiment for use.
Embodiment five:
Present embodiment is an improved technical scheme on embodiment four bases, is not described in detail with embodiment four same sections.Referring to Figure 13, shown in Figure 14, magnetic actuating force Design of device scheme described in the present embodiment is: this magnetic actuating force device has a device frame 201, in this device frame, be provided with fixed platform 202, on this fixed platform, linked frame is installed, below this fixed platform, power take-off is installed, described linked frame is made up of the moving framework 203 of the Left-wing Federation and right linked frame 204 two parts, moving framework of the described Left-wing Federation and right linked frame are respectively installed by two guide upright posts 205 and device frame, described guide upright post lower end is fixed on the fixed platform, the upper end is fixing with device frame top cover 206, is vertically installed with the shield device for annular permanent magnet of describing among the embodiment four 207 at moving framework of the described Left-wing Federation and right linked frame centre position; These screening arrangement central shaft 208 lower ends are fixed on the fixed platform center, and the upper end is fixed with device frame top cover; This screening arrangement central shaft respectively is provided with a power input wheel 209 in two ends up and down, with each external drive motors of power input wheel, drive power input wheel by drive motors and rotate, thereby drive swing shield reciprocally swinging is realized opening and be closed; Move framework and right linked frame roof and annular permanent magnet 210 corresponding positions in the described Left-wing Federation a semicircle permanent magnet 211 respectively is installed, the magnetic pole of this semicircle permanent magnet lower end is identical with the pole polarity of annular permanent magnet upper end; Move framework and right linked frame base and the corresponding position of annular permanent magnet in the described Left-wing Federation a semicircle magnetic conduction iron block 212 respectively is installed; The moving framework of the described Left-wing Federation and right linked frame lower end respectively are connected with rotating shaft 214 two ends on the described power take-off by a toggle 213, this rotating shaft terminal is installed on the frame 215 of power take-off by rolling bearing, power output wheel 216 is installed on described rotating shaft, for guaranteeing the rotating shaft slow-roll stabilization, can flywheel 217 be installed at the rotating shaft middle part.
The present embodiment operation principle is: rotate in opposite directions when power input wheel drives two swing shields, and make two swing shields on the central shaft right side when closed fully, two swing shields shield the right one side of something of annular permanent magnet fully; At this moment, the repulsive force that semicircle permanent magnet on the moving framework of the described Left-wing Federation is made progress by half of magnetic field, an annular permanent magnet left side, the attraction that semicircle magnetic conduction iron block on the moving framework of the Left-wing Federation is made progress by half of magnetic field, an annular permanent magnet left side, under the effect, the moving framework of the Left-wing Federation moves up along guide upright post in these two power; On the other hand, owing to two swing shields shield the right one side of something of annular permanent magnet fully; Therefore, semicircle permanent magnet on the described right linked frame can produce downward attraction to the swing shield, simultaneously, annular permanent magnet has lost the attraction to the semicircle magnetic conduction iron block on the right linked frame under the effect of swing shield, thereby caused right linked frame under the effect of the attraction of annular permanent magnet and self gravitation, moved down along guide upright post.In like manner, when two swing shields shield annular permanent magnet left side one side of something fully; The moving framework of the Left-wing Federation moves down, and right linked frame moves up.Therefore, alternately switching swing shield shields the zone of annular permanent magnet, moving framework of the Left-wing Federation and right linked frame is constantly interlocked move up and down, and drive the rotating shaft rotation of power take-off by crankshaft connecting rod system, rotate thereby drive power output wheel, realize magnetomotive output.
Embodiment six:
Present embodiment is an improved technical scheme on embodiment one basis, is not described in detail with embodiment one same section.Referring to shown in Figure 15, magnetic actuating force Design of device scheme described in the present embodiment is: this magnetic actuating force device has a device frame, in this device frame, be provided with fixed platform, on this fixed platform, linked frame is installed, below this fixed platform, power take-off is installed, described linked frame is made up of the moving framework of the Left-wing Federation and right linked frame two parts, moving framework of the described Left-wing Federation and right linked frame are respectively installed by two guide upright posts and device frame, described guide upright post lower end is fixed on the fixed platform, the upper end is fixed with device frame top cover, is vertically installed with the shield device for annular permanent magnet of describing among the embodiment one 218 at moving framework of the described Left-wing Federation and right linked frame centre position; This screening arrangement central shaft lower end is fixed on the fixed platform center, and the upper end is fixed with device frame top cover; This screening arrangement central shaft is provided with a power input wheel, with the external drive motors of power input wheel, drives power input wheel by drive motors and rotates, and rotatablely moves thereby drive rotary shielding body; Move framework and right linked frame roof and the corresponding position of annular permanent magnet in the described Left-wing Federation a semicircle permanent magnet respectively is installed, the magnetic pole of this semicircle permanent magnet lower end is identical with the pole polarity of annular permanent magnet upper end; Move framework and right linked frame base and the corresponding position of annular permanent magnet in the described Left-wing Federation a semicircle magnetic conduction iron block respectively is installed; The moving framework of the described Left-wing Federation and right linked frame lower end respectively are connected with rotating shaft terminal on the described power take-off by a toggle, this rotating shaft terminal is installed on the frame of power take-off by rolling bearing, on described rotating shaft, power output wheel is installed, for guaranteeing the rotating shaft slow-roll stabilization, can flywheel be installed at the rotating shaft middle part.
The present embodiment operation principle is: rotate when power input wheel drives rotary shielding body, and the right one side of something of annular permanent magnet is shielded fully; At this moment, the repulsive force that semicircle permanent magnet on the moving framework of the described Left-wing Federation is made progress by half of magnetic field, an annular permanent magnet left side, the attraction that semicircle magnetic conduction iron block on the moving framework of the Left-wing Federation is made progress by half of magnetic field, an annular permanent magnet left side, under the effect, the moving framework of the Left-wing Federation moves up along guide upright post in these two power; On the other hand, owing to rotary shielding body shields the right one side of something of annular permanent magnet fully; Therefore, semicircle permanent magnet on the described right linked frame can produce downward attraction to rotary shielding body, simultaneously, lost attraction at annular permanent magnet under the effect of rotary shielding body to the semicircle magnetic conduction iron block on the right linked frame, thereby caused right linked frame under the effect of the attraction of annular permanent magnet and self gravitation, moved down along guide upright post.In like manner, when rotary shielding body shields annular permanent magnet left side one side of something fully; The moving framework of the Left-wing Federation moves down, and right linked frame moves up.Therefore, the zone that rotary shielding body shields annular permanent magnet is switched in rotation, can make continuous staggered the moving up and down of moving framework of the Left-wing Federation and right linked frame, and drives the rotating shaft rotation of power take-off by crankshaft connecting rod system, rotate thereby drive power output wheel, realize magnetomotive output.
Claims (10)
1. a shield device for annular permanent magnet is characterized in that: a frame is arranged, be provided with a central shaft on this frame, on this central shaft annular permanent magnet is installed, be outside equipped with at least one rotary shielding body at described annular permanent magnet; This rotary shielding body is fan-shaped, and the fan-shaped section of this rotary shielding body is that [shape, this rotary shielding body is installed on the central shaft by rotating connector.
2. shield device for annular permanent magnet according to claim 1, it is characterized in that: outside described central shaft, be set with the flux sleeve tube, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, and described magnetic conduction sleeve two ends and described rotary shielding body are slidingly connected.
3. shield device for annular permanent magnet according to claim 2 is characterized in that: at described magnetic conduction bush outer sleeve magnet exciting coil is housed, this magnet exciting coil is installed between described magnetic conduction sleeve and the annular permanent magnet.
4. shield device for annular permanent magnet according to claim 1 is characterized in that: have a power input wheel and described rotating connector to install.
5. shield device for annular permanent magnet according to claim 1 is characterized in that: the distance values of the N pole-face of described annular permanent magnet to the S pole-face of the distance of rotary shielding body and described annular permanent magnet to rotary shielding body equates.
6. shield device for annular permanent magnet according to claim 5 is characterized in that: the power coil corresponding with the annular permanent magnet position is installed on described frame.
7. shield device for annular permanent magnet according to claim 1 is characterized in that: described rotary shielding body adopts the multilayer silicon steel plate stacking to constitute.
8. a shield device for annular permanent magnet is characterized in that: a frame is arranged, be provided with a central shaft on this frame, on this central shaft annular permanent magnet is installed, be outside equipped with two swing shields at described annular permanent magnet at least; This swing shield is fan-shaped, and the fan-shaped section of this swing shield is that [shape, the described shield of respectively swinging is respectively by the installation of swing connector and central shaft.
9. shield device for annular permanent magnet according to claim 8, it is characterized in that: outside described central shaft, be set with the flux sleeve tube, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, and described magnetic conduction sleeve two ends and described swing shield are slidingly connected.
10. shield device for annular permanent magnet according to claim 9 is characterized in that: at described magnetic conduction bush outer sleeve magnet exciting coil is housed, this magnet exciting coil is installed between described magnetic conduction sleeve and the annular permanent magnet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100829983A CN101877523A (en) | 2009-04-28 | 2009-04-28 | Shield device for annular permanent magnet |
| PCT/CN2010/072203 WO2010124609A1 (en) | 2009-04-28 | 2010-04-26 | Permanent magnet shield device and application system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100829983A CN101877523A (en) | 2009-04-28 | 2009-04-28 | Shield device for annular permanent magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101877523A true CN101877523A (en) | 2010-11-03 |
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ID=43020004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100829983A Pending CN101877523A (en) | 2009-04-28 | 2009-04-28 | Shield device for annular permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101877523A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012113129A1 (en) * | 2011-02-21 | 2012-08-30 | Chou Lungchiao | Magnetic energy motor generating device |
| CN105375692A (en) * | 2014-08-30 | 2016-03-02 | 姬志强 | Electric generator with magnetic field shielding device |
| CN105666522A (en) * | 2016-04-15 | 2016-06-15 | 上海交通大学 | Electromagnetic type rigidness-variable horizontally-moving joint |
| CN113405594A (en) * | 2021-05-21 | 2021-09-17 | 成都凯天电子股份有限公司 | Foldable vector sensor mounting rack |
-
2009
- 2009-04-28 CN CN2009100829983A patent/CN101877523A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012113129A1 (en) * | 2011-02-21 | 2012-08-30 | Chou Lungchiao | Magnetic energy motor generating device |
| CN105375692A (en) * | 2014-08-30 | 2016-03-02 | 姬志强 | Electric generator with magnetic field shielding device |
| CN105666522A (en) * | 2016-04-15 | 2016-06-15 | 上海交通大学 | Electromagnetic type rigidness-variable horizontally-moving joint |
| CN113405594A (en) * | 2021-05-21 | 2021-09-17 | 成都凯天电子股份有限公司 | Foldable vector sensor mounting rack |
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Application publication date: 20101103 |