CN202856591U - Magnetic dipole pair and permanent magnetic coupler based on magnetic dipole pair - Google Patents

Magnetic dipole pair and permanent magnetic coupler based on magnetic dipole pair Download PDF

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Publication number
CN202856591U
CN202856591U CN 201220456935 CN201220456935U CN202856591U CN 202856591 U CN202856591 U CN 202856591U CN 201220456935 CN201220456935 CN 201220456935 CN 201220456935 U CN201220456935 U CN 201220456935U CN 202856591 U CN202856591 U CN 202856591U
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CN
China
Prior art keywords
permanent magnet
magnetic conductive
conductive board
magnet
permanent
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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.)
Expired - Fee Related
Application number
CN 201220456935
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Chinese (zh)
Inventor
马小安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XI'AN JUZHOU ELECTRONIC EQUIPMENT CO Ltd
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XI'AN JUZHOU ELECTRONIC EQUIPMENT CO Ltd
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Priority to CN 201220456935 priority Critical patent/CN202856591U/en
Application granted granted Critical
Publication of CN202856591U publication Critical patent/CN202856591U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a magnetic dipole pair and a permanent magnetic coupler based on the magnetic dipole pair. The magnetic dipole pair comprises first and second concentrating flux plates arranged parallel to each other. One side of the first concentrating flux plate, which is arranged facing the second concentrating flux plate, is fixedly provided with a first permanent magnet and a third permanent magnet. One side of the second concentrating flux plate, which is arranged facing the first concentrating flux plate, is fixedly provided with a second permanent magnet and a fourth permanent magnet. The second permanent magnet and the fourth permanent magnet are arranged opposite to the first permanent magnet and the third permanent magnet correspondingly. One ends of the second permanent magnet and the fourth permanent magnet, which are facing the first concentrating flux plate, are opposite in polarity. One end of the first permanent magnet and one end of the second permanent magnet, which are opposite to each other, are opposite in polarity. One end of the third permanent magnet and one end of the fourth permanent magnet, which are opposite to each other, are opposite in polarity. The permanent magnetic coupler comprises a plurality of annularly arranged magnetic dipole pairs, wherein the magnetic dipole pairs are arranged in the form of an array combination. Especially applied to large products, the permanent magnetic coupler can reduce the rotation inertia, the application amount of materials and the processing cost, facilitate the heat dissipation and avoid the useless heat loss.

Description

A kind of magnet dipole is to reaching based on the right permanent magnet coupling device of magnet dipole
[technical field]
The utility model belongs to the power transmission field, is specifically related to a kind of magnet dipole to reaching based on the right permanent magnet coupling device of magnet dipole.
[background technology]
The basic principle of existing permanent magnet coupling device all is to utilize the relative motion between conductor rotor and the p-m rotor to induce magnetic field of volution in conductor rotor, and this magnetic field of volution attempt hinders the motion of permanent magnetic field, thereby is dragged.Utilize this mechanism, power driven force side is passed to load-side.
First kind permanent-magnet speed governor is plate-like, regulates the distance between conductor rotor and the p-m rotor, namely regulates size of gaps, and air gap is large, and the moment of torsion of transmission is little, and load speed is low, and vice versa.The patent No. is 98802726.7, and Granted publication number is CN 1140042C, Granted publication day be on February 25th, 2004 patent disclosure a kind of adjustable magnetic coupler, be first kind permanent-magnet speed governor.In addition, on 09 04th, 2002 disclosed Chinese patent discloses CN1367948A and discloses a kind of permanent magnet coupler with adjustable air gap, and above-mentioned patent is all pointed out need to add iron plate at the conductor rotor back side.And the Equations of The Second Kind permanent-magnet speed governor is tubular.Then be by the magnetic field area of contact between adjusting p-m rotor and the conductor rotor, the transmission that realization is passed to load-side with power driven force side, area of contact is large, and the moment of torsion that then transmits is large, and load speed is high, and vice versa.China Patent No. is 200920256058.7, and Granted publication number is CN201577019U, Granted publication day be on 09 08th, 2010 patent disclosure a kind of permanent-magnet speed governor, be the Equations of The Second Kind permanent-magnet speed governor.It comprises: tubular conductor rotor, tubular p-m rotor and adjuster, the tubular p-m rotor is in the tubular conductor rotor, and with the rotating shaft independent rotation of installing separately, adjuster adjusting tubular p-m rotor and tubular conductor rotor are at the relative position of axis direction, can change the active area between tubular conductor rotor and the tubular p-m rotor, realize changing the size of transmitting torque between tubular conductor rotor and the tubular p-m rotor.
In the prior art, when conductor rotor and p-m rotor relative motion, can produce useful vortex flow with very low efficient on above-mentioned iron plate, and this vortex flow but produces more hear rate on iron plate, this not only runs counter to the original intention of design, even need to pay more cost for reducing these invalid hear rates in force.The shortcoming that above-mentioned patent exists is, all is that the design to magnetic circuit still has some deficits, and is lower to the efficient of magnetic energy utilization, causes above-mentioned patented product under equal volume, and the power that can transmit is less; And be provided with ferromagnetic material in conductor rotor, cause useless heat loss to increase.The above-mentioned first kind and Equations of The Second Kind permanent-magnet speed governor all are provided with radiator, but do not have to consider to reduce or eliminate the generation of useless heat loss.
[utility model content]
The purpose of this utility model provides a kind of magnet dipole to reaching based on the right permanent magnet coupling device of magnet dipole, to solve the problems of the technologies described above.
To achieve these goals, the utility model adopts following technical scheme:
A kind of magnet dipole pair comprises the first magnetic conductive board and the second magnetic conductive board that be arranged in parallel; The first magnetic conductive board is fixed with the first permanent magnet and the 3rd permanent magnet on the one side of the second magnetic conductive board, the second magnetic conductive board is fixed with second permanent magnet and four permanent magnet relative with the 3rd permanent magnet position with the first permanent magnet on the one side of the first magnetic conductive board; The second permanent magnet and the 4th permanent magnet are opposite towards an end polarity of the first magnetic conductive board, and the end polarity that the first permanent magnet is relative with the second permanent magnet is opposite, and the end polarity that the 3rd permanent magnet is relative with the 4th permanent magnet is opposite.
The utility model further improves and is: the first magnetic conductive board and the second magnetic conductive board are flat board, arc or V shaped slab.
The utility model further improves and is: the first permanent magnet and the 3rd permanent magnet be arranged in parallel, and the second permanent magnet and the 4th permanent magnet be arranged in parallel.
The utility model further improves and is: the side that the first magnetic conductive board is installed the first permanent magnet and the 3rd permanent magnet is plane, arcwall face or V-arrangement face, and opposite side is arbitrary shape.
The utility model further improves and is: the side that the second magnetic conductive board is installed the second permanent magnet and the 4th permanent magnet is plane, arcwall face or V-arrangement face, and opposite side is arbitrary shape.
The utility model further improves and is: the first permanent magnet, the second permanent magnet, the 3rd permanent magnet and the 4th permanent magnet big or small basic identical.
The utility model further improves and is: between the first permanent magnet and the second permanent magnet, have the working clearance between the 3rd permanent magnet and the 4th permanent magnet.
The utility model further improves and is: between the first permanent magnet and the 3rd permanent magnet, have magnetic line of force external series gap between the second permanent magnet and the 4th permanent magnet.
Based on the right permanent magnet coupling device of magnet dipole, comprise that some magnet dipoles are to, matrix dish, outer tight loop and interior tight loop; Some magnet dipoles evenly are fixed on the matrix dish annular, adjacent magnet dipole between have the gap; The first magnetic conductive board that some magnet dipoles are right and an end of the second magnetic conductive board all are fixed on the matrix dish.
The utility model further improves and is: the other end of the first magnetic conductive board and the second magnetic conductive board is individually fixed on outer tight loop and the interior tight loop.
The utility model further improves and is: described permanent magnet coupling device also comprises conductor loops, conductor loops one end inserts in magnet dipole right the first magnetic conductive board and the gap between two pairs of permanent magnets between the second magnetic conductive board, and the other end is fixedly connected with the conductor rotor flange.
The utility model further improves and is: the matrix dish comprises that matrix tries to get to the heart of a matter and be arranged at outward flange and the inward flange of matrix on trying to get to the heart of a matter, and the center that matrix is tried to get to the heart of a matter is provided with the main shaft via hole, also is provided with louvre on matrix is tried to get to the heart of a matter; The first magnetic conductive board is near the inner ring of outward flange, and the second magnetic conductive board is near the outer ring of inward flange.
With respect to prior art, the utlity model has following advantage: adopt a kind of magnet dipole to forming efficient closed magnetic field; Conductor loops only is made of conductor and does not need the magnetic conduction liner plate; Magnetic conductive board of the present utility model is not complete closure, forms the right array combination of a kind of magnet dipole; Especially in large specification product, having the following advantages: 1, reduce moment of inertia, 2, reduce material usage, 3, reduce processing cost, 4, help heat radiation, 5, avoid useless heat loss.
[description of drawings]
Fig. 1 is the structural representation of the utility model permanent magnet coupling device;
Fig. 2 is the right structural representation of the utility model magnet dipole (magnetic conductive board is for dull and stereotyped);
Fig. 3 is the right structural representation of the utility model magnet dipole (magnetic conductive board is arc) and the part that contains conductor loops;
Fig. 4 is the schematic diagram of matrix dish;
Fig. 5 is the schematic diagram of magnet rotor;
Fig. 6 is the cutaway view of Fig. 5.
Among the figure: 1: magnetic conductive board, 1-1: the first magnetic conductive board, 1-2: the second magnetic conductive board, 2: permanent magnet, 2-1: the first permanent magnet, 2-2: the second permanent magnet, 2-3: the 3rd permanent magnet, 2-4: the 4th permanent magnet, 3: matrix dish, 3-1: outward flange; 3-2: inward flange; 3-3: matrix is tried to get to the heart of a matter; 3-4: louvre, 3-5: main shaft via hole, 4: outer tight loop, 5: interior tight loop, 6: conductor loops, 7: the conductor rotor flange.
[embodiment]
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
See also Fig. 2 and shown in Figure 3, a kind of magnet dipole of the utility model pair, comprise magnetic conductive board 1 and permanent magnet 2, magnetic conductive board 1 comprises the first magnetic conductive board 1-1 and the second magnetic conductive board 1-2, and permanent magnet 2 comprises the first permanent magnet 2-1, the second permanent magnet 2-2, the 3rd permanent magnet 2-3 and the 4th permanent magnet 2-4.The first magnetic conductive board 1-1 and the second magnetic conductive board 1-2 can be dull and stereotyped, arc or V shaped slab, be arranged in parallel between the first magnetic conductive board 1-1 and the second magnetic conductive board 1-2, the first permanent magnet 2-1 is parallel with the 3rd permanent magnet 2-3 to be fixed in the first magnetic conductive board 1-1 on the one side of the second magnetic conductive board 1-2, and the first permanent magnet 2-1 and the 3rd permanent magnet 2-3 are opposite towards the end polarity of the second magnetic conductive board 1-2, the second permanent magnet 2-2 is parallel with the 4th permanent magnet 2-4 to be fixed in the second magnetic conductive board 1-2 on the one side of the first magnetic conductive board 1-1, the second permanent magnet 2-2 and the 4th permanent magnet 2-4 are opposite towards the end polarity of the first magnetic conductive board 1-1, and the position of the first permanent magnet 2-1 is relative with the position of the second permanent magnet 2-2, the position of the 3rd permanent magnet 2-3 is relative with the position of the 4th permanent magnet 2-4, the end polarity that the first permanent magnet 2-1 is relative with the second permanent magnet 2-2 is opposite, and the end polarity that the 3rd permanent magnet 2-3 is relative with the 4th permanent magnet 2-4 is opposite.Between the first permanent magnet 2-1 and the second permanent magnet 2-2, have certain interval between the 3rd permanent magnet 2-3 and the 4th permanent magnet 2-4, can stretch in this gap for conductor loops 6.And leave the gap that preferably is not more than 5mm between the surfaces externally and internally of conductor loops and the magnet, adjust so that install.The side that the first magnetic conductive board 1-1 installs the first permanent magnet 2-1 and the 3rd permanent magnet 2-3 is plane, arcwall face or V-arrangement face, and opposite side is arbitrary shape.The side that the second magnetic conductive board 1-2 installs the second permanent magnet 2-2 and the 4th permanent magnet 2-4 is plane, arcwall face or V-arrangement face, and opposite side is arbitrary shape.
Between the first permanent magnet and the 3rd permanent magnet, have magnetic line of force external series gap between the second permanent magnet and the 4th permanent magnet.
See also Fig. 1 to shown in Figure 6, the utility model is a kind of based on the right permanent magnet coupling device of magnet dipole, comprises that a plurality of magnet dipoles are to, matrix dish 3, outer tight loop 4, interior tight loop 5, conductor loops 6 and conductor rotor flange 7.
Matrix dish 3 comprises try to get to the heart of a matter 3-3 and be arranged at matrix try to get to the heart of a matter outward flange 3-1 and inward flange 3-2 on the 3-3 of matrix, and the try to get to the heart of a matter center of 3-3 of matrix is provided with main shaft via hole 3-5, and matrix is tried to get to the heart of a matter and also is provided with louvre 3-4 on the 3-3.
A plurality of magnet dipoles evenly are fixed on the matrix dish 3 annular, adjacent magnet dipole between have the gap, conveniently dispel the heat and reduce moment of inertia; The first magnetic conductive board 1-1 that a plurality of magnet dipoles are right and the end of the second magnetic conductive board 1-2 all are fixed on the matrix dish 3 (to be fixed by methods such as screw, welding, riveted joints), (the first magnetic conductive board 1-1 is near the inner ring of outward flange 3-1 between outward flange 3-1 and inward flange 3-2, the second magnetic conductive board 1-2 is near the outer ring of inward flange 3-2), the other end is individually fixed on outer tight loop 4 and the interior tight loop 5.
Conductor loops 6 one ends insert in the gap of the first right magnetic conductive board 1-1 of magnet dipole and two pairs of permanent magnets between the second magnetic conductive board 1-2, and the other end is fixedly connected with conductor rotor flange 7.
Each magnet dipole centering, can form two bundles between the magnet in opposite directions perpendicular to the magnetic line of force of magnet surface, the zone at these magnetic line of force places is the uniform magnetic fields that edge effect is very little, when conductor passes through therein, just is subject to the resistance of magnetic induction.
, as conductor rotor, be installed in respectively on the driving shaft and driven shaft of power transmission with ring shaped conductor being combined into the magnet rotor with one group of several magnet dipole, conductor rotor places in the described magnetic field, just can realize permanent magnet coupling transmission power.
In the present embodiment, conductor rotor is connected with motor coaxle, and p-m rotor is connected with load is coaxial.Be equipped with when the driven by motor conductor rotor in the p-m rotor of powerful rare-earth magnet and rotating, it is cutting magnetic line, thereby in conductor rotor, produce vortex flow, and then the magnetic field of inducting and making new advances, because the interaction of two magnetic field forces, just can drag p-m rotor and rotate thereupon, thus can be between motor and load with non-contacting mode realize the moment of torsion transmission.There is certain slippage all the time in this dragging, i.e. the rotating speed that load obtains is lower than the rotating speed of motor.When the axial adjustment conductor loops places the size at the position in magnetic field, the size of namely regulating useful flux can realize speed governing.
Although above embodiment of the present utility model is described in detail, the utility model is not limited to above-mentioned specific embodiments.Those of ordinary skill in the art in the situation that does not break away from the scope that the utility model claim protects, can also make a variety of forms under the enlightenment of this specification, these all belong to the row of the utility model protection.

Claims (10)

1. a magnet dipole pair is characterized in that, comprises the first magnetic conductive board (1-1) and the second magnetic conductive board (1-2) that be arranged in parallel; The first magnetic conductive board (1-1) is fixed with the first permanent magnet (2-1) and the 3rd permanent magnet (2-3) on the one side of the second magnetic conductive board (1-2), the second magnetic conductive board (1-2) is fixed with second permanent magnet (2-2) and four permanent magnet (2-4) relative with the 3rd permanent magnet (2-3) position with the first permanent magnet (2-1) on the one side of the first magnetic conductive board (1-1); The second permanent magnet (2-2) and the 4th permanent magnet (2-4) are opposite towards an end polarity of the first magnetic conductive board (1-1), the end polarity that the first permanent magnet (2-1) is relative with the second permanent magnet (2-2) is opposite, and the end polarity that the 3rd permanent magnet (2-3) is relative with the 4th permanent magnet (2-4) is opposite.
2. a kind of magnet dipole according to claim 1 pair is characterized in that, the first magnetic conductive board (1-1) and the second magnetic conductive board (1-2) are dull and stereotyped, arc or V shaped slab.
3. a kind of magnet dipole according to claim 1 pair is characterized in that the first permanent magnet (2-1) and the 3rd permanent magnet (2-3) be arranged in parallel, and the second permanent magnet (2-2) and the 4th permanent magnet (2-4) be arranged in parallel.
4. a kind of magnet dipole according to claim 1 pair, it is characterized in that, the side that the first magnetic conductive board (1-1) is installed the first permanent magnet (2-1) and the 3rd permanent magnet (2-3) is plane, arcwall face or V-arrangement face, and opposite side is arbitrary shape.
5. a kind of magnet dipole according to claim 1 pair, it is characterized in that, the side that the second magnetic conductive board (1-2) is installed the second permanent magnet (2-2) and the 4th permanent magnet (2-4) is plane, arcwall face or V-arrangement face, and opposite side is arbitrary shape.
6. a kind of magnet dipole according to claim 1 pair is characterized in that, between the first permanent magnet (2-1) and the second permanent magnet (2-2), have the gap between the 3rd permanent magnet (2-3) and the 4th permanent magnet (2-4).
7. based on the right permanent magnet coupling device of each described a kind of magnet dipole in the claim 1 to 6, it is characterized in that, comprise that some magnet dipoles are to, matrix dish (3), outer tight loop (4) and interior tight loop (5); Some magnet dipoles evenly are fixed on the matrix dish (3) annular, adjacent magnet dipole between have the gap; The first magnetic conductive board (1-1) that some magnet dipoles are right and an end of the second magnetic conductive board (1-2) all are fixed on the matrix dish (3).
8. permanent magnet coupling device according to claim 7 is characterized in that, the other end of the first magnetic conductive board (1-1) and the second magnetic conductive board (1-2) is individually fixed on outer tight loop (4) and the interior tight loop (5).
9. permanent magnet coupling device according to claim 7, it is characterized in that, described permanent magnet coupling device also comprises conductor loops (6), conductor loops (6) one ends insert in magnet dipole right the first magnetic conductive board (1-1) and the gap between two pairs of permanent magnets between the second magnetic conductive board (1-2), and the other end is fixedly connected with conductor rotor flange (7).
10. permanent magnet coupling device according to claim 7, it is characterized in that, matrix dish (3) comprises that matrix tries to get to the heart of a matter (3-3) and be arranged at matrix try to get to the heart of a matter outward flange (3-1) and inward flange (3-2) on (3-3), the matrix center of (3-3) of trying to get to the heart of a matter is provided with main shaft via hole (3-5), and matrix is tried to get to the heart of a matter and also is provided with louvre (3-4) on (3-3); The first magnetic conductive board (1-1) is near the inner ring of outward flange (3-1), and the second magnetic conductive board (1-2) is near the outer ring of inward flange (3-2).
CN 201220456935 2012-09-07 2012-09-07 Magnetic dipole pair and permanent magnetic coupler based on magnetic dipole pair Expired - Fee Related CN202856591U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220456935 CN202856591U (en) 2012-09-07 2012-09-07 Magnetic dipole pair and permanent magnetic coupler based on magnetic dipole pair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220456935 CN202856591U (en) 2012-09-07 2012-09-07 Magnetic dipole pair and permanent magnetic coupler based on magnetic dipole pair

Publications (1)

Publication Number Publication Date
CN202856591U true CN202856591U (en) 2013-04-03

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Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102832781A (en) * 2012-09-07 2012-12-19 西安巨舟电子设备有限公司 Permanent-magnet dipole pair and permanent-magnet coupling device with same
CN110914664A (en) * 2017-07-12 2020-03-24 国际商业机器公司 High sensitivity dynamometer with parallel dipole wire trap system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102832781A (en) * 2012-09-07 2012-12-19 西安巨舟电子设备有限公司 Permanent-magnet dipole pair and permanent-magnet coupling device with same
CN110914664A (en) * 2017-07-12 2020-03-24 国际商业机器公司 High sensitivity dynamometer with parallel dipole wire trap system

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130403

Termination date: 20150907