CN111599571A - Electro-permanent magnet cluster array magnetic circuit structure and implementation method thereof - Google Patents
Electro-permanent magnet cluster array magnetic circuit structure and implementation method thereof Download PDFInfo
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- CN111599571A CN111599571A CN202010593854.0A CN202010593854A CN111599571A CN 111599571 A CN111599571 A CN 111599571A CN 202010593854 A CN202010593854 A CN 202010593854A CN 111599571 A CN111599571 A CN 111599571A
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- 238000000034 method Methods 0.000 title claims description 7
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 230000005389 magnetism Effects 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 69
- 239000010959 steel Substances 0.000 claims description 69
- 230000002441 reversible effect Effects 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 13
- 239000000696 magnetic material Substances 0.000 claims description 8
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000002427 irreversible effect Effects 0.000 description 6
- 238000004382 potting Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
- H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
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Abstract
An electro-permanent magnet cluster array magnetic circuit structure, comprising: the electric permanent magnet cluster array is composed of electric permanent magnets, an inter-magnetic pole working magnetic circuit, an inter-electric permanent magnet working magnetic circuit and a mounting plate, wherein every two electric permanent magnets are arranged in an adjacent array, and at least two electric permanent magnets are arranged; the electropermanent magnet comprises a substrate, magnetic pole units are arranged on the substrate in pairs, each magnetic pole unit comprises a magnetic pole, the magnetic poles represent magnetism outwards when the electropermanent magnet is electrified with instantaneous forward direct current, the polarities of two adjacent magnetic poles are different, an inter-magnetic pole working magnetic circuit is generated between the adjacent magnetic poles in the electropermanent magnet, and an inter-electropermanent magnet working magnetic circuit is generated between the adjacent electropermanent magnets. The working magnetic circuit between the magnetic poles and the working magnetic circuit between the electric permanent magnets of the invention have no dead angle to cover the whole electric permanent magnet cluster array area, thereby making up the problem of incomplete magnetic circuit coverage in the prior art.
Description
Technical Field
The invention relates to the application field of an automatic production line for processing a magnetic material, in particular to an electro-permanent magnet cluster array magnetic circuit structure and an implementation method thereof.
Background
At present, the electro-permanent magnet equipment used at home and abroad provides magnetic force through the fixed magnetic steel and the reversible magnetic steel, and the electro-permanent magnet body absorbs and discharges materials through electrically driving the reversible magnetic steel to convert the polarity, so that modern manufacturing enterprises develop rapidly along with the social development and intelligent transportation is also developed. There is a need in the market for an integrally feeding and blanking electro-permanent magnetic device. The materials are cut into materials with different sizes, so that the materials are required to be hoisted integrally in a full-coverage mode through the magnetic field of the electro-permanent magnetic area, the leakage and suction of the materials are avoided, the control mode of local discharging is achieved, and the unmanned management mode that different materials are placed in different areas is guaranteed.
The enclosure plate of the electric permanent magnet shell in the prior art is made of a magnetic conductive material, and when the enclosure plate is magnetized and demagnetized, a magnetic pole and a shell generate a magnetic loop. When a plurality of electro-permanent magnets are arranged in a cluster manner to realize the transfer of the magnetic plate blanking processing automatic line, a magnetic field can not be formed between the adjacent electro-permanent magnets to form a magnetic field vacuum missing area, and the phenomenon of falling of materials is frequently caused.
If the application number is: CN0226855.2 discloses an electric permanent magnet clamp, this electric permanent magnet clamp by place in between collection magnetism magnetizer (5) irreversible magnet (1) and reversible magnet (3) and cover outside reversible magnet below it solenoid (2), casing (4) are constituteed, through changing the circular telegram direction of solenoid (2), realize the inside and outside route closure of magnetic circuit, firmly hold or release work piece (6), have that the suction is powerful, single face is held, multiaspect processing, safe uncharged, do not have the temperature rise, characteristics that the precision is high and easy operation.
The magnetic circuit structure adopts a serial or parallel connection mode formed by an irreversible magnet (1) and a reversible magnet under the action of a magnetic field of an electromagnetic coil (2), when the electromagnetic coil (2) is instantly electrified with forward current, the reversible magnet (3) arranged in the electromagnetic coil (2) is charged with a magnetic field with the direction opposite to that of the irreversible magnet (1), two magnetic circuits of the irreversible magnet loop and the reversible magnet magnetic circuit form a parallel magnetic circuit through a magnetism collecting magnetizer (5) and a workpiece (6) on the table surface of the clamp and the shell (4), when the electromagnetic coil (2) is instantaneously electrified with a reverse current, the reversible magnet (3) arranged in the electromagnetic coil (2) is charged with a magnetic field with the same direction as that of the irreversible magnet (2), and a closed series magnetic circuit is formed in the shell by the irreversible magnet magnetic circuit and the reversible magnet magnetic circuit through the magnetic conductive pole (5) without passing through a workpiece (6) on the table surface of the clamp.
Although the method solves the problems of single magnetic circuit and weak magnetic force, the magnetic circuit is arranged in at least the electric permanent magnet, the magnetic circuit is arranged outside the electric permanent magnet, and the problem of the magnetic circuit between electric permanent magnet equipment cannot be solved.
Disclosure of Invention
The invention aims to provide an electro-permanent magnet cluster array magnetic circuit structure, which comprises: the electric permanent magnet cluster array consists of electric permanent magnets, an inter-magnetic pole working magnetic circuit, an inter-electric permanent magnet working magnetic circuit and a mounting plate; every two electric permanent magnets are arranged in an adjacent array, at least two electric permanent magnets are arranged, and the electric permanent magnets are attached to and installed on the same side of the installation plate; the electropermanent magnet comprises a substrate, wherein a pair of magnetic pole units are arranged on the substrate, each magnetic pole unit comprises a magnetic pole, and the magnetic poles are exposed outwards to form a working surface;
when instant forward direct current is conducted to the electric permanent magnets, the magnetic poles externally represent magnetism, the polarities of two adjacent magnetic poles are different, an inter-magnetic pole working magnetic circuit is generated between the adjacent magnetic poles in the electric permanent magnets, an inter-electric permanent magnet working magnetic circuit is generated between the adjacent electric permanent magnets, and the inter-magnetic pole working magnetic circuit and the inter-electric permanent magnet working magnetic circuit have no dead angle and cover the whole electric permanent magnet cluster array area; when the instantaneous reverse direct current with a certain magnitude is transmitted to the electric permanent magnet, the magnetic pole has no magnetism outwards.
In one embodiment, the electropermanent magnet comprises a substrate on which magnetic pole units are arranged in pairs, the magnetic pole units comprising: the controllable permanent magnet steel is wound with the coil at the periphery, the height of the coil is smaller than that of the controllable permanent magnet steel, the bottom surface of the controllable permanent magnet steel is attached to the substrate, the top surface of the controllable permanent magnet steel is attached with the magnetic pole, the side gap of the adjacent magnetic pole is attached with the permanent magnet steel, the winding directions of the coils in the adjacent magnetic pole units in the electric permanent magnet are opposite, and the coils are led out through connection.
In one embodiment, at least one pair of magnetic pole units of the electropermanent magnet is arranged, the periphery of the substrate is provided with a non-magnetic annular wall which surrounds the magnetic pole units, and an air gap between the non-magnetic annular wall and the magnetic pole units is provided with a filling package to form the complete electropermanent magnet, wherein the filling package is made of a non-magnetic material.
In one embodiment, when instantaneous forward direct current is supplied to the electric permanent magnet, the magnetic poles are externally characterized by magnetism, the polarities of the two adjacent magnetic poles are different, an inter-magnetic pole working magnetic circuit is generated between the adjacent magnetic poles in the electric permanent magnet, and the inter-magnetic pole working magnetic circuit comprises a magnetic circuit A and a magnetic circuit B; the magnetic circuit A is generated by the magnetic field of controllable permanent magnet steel, and a closed magnetic loop is formed by the controllable permanent magnet steel, a magnetic pole, air (or a magnetic workpiece), an adjacent magnetic pole, an adjacent controllable permanent magnet steel, a substrate and the controllable permanent magnet steel; the magnetic circuit B is generated by the magnetic field of the permanent magnet steel, and forms a closed magnetic loop through the permanent magnet steel, the magnetic pole, air (or a magnetic workpiece), the adjacent magnetic pole and the permanent magnet steel.
In one embodiment, the two adjacent arrays of the electropermanent magnets are attached to the same side of the mounting plate, at least two electropermanent magnets are arranged, the polarities of adjacent magnetic poles between any two adjacent electropermanent magnets are different when instantaneous forward direct current is respectively supplied to each electropermanent magnet, a working magnetic circuit between the electropermanent magnets is generated between the electropermanent magnets, and the working magnetic circuit between the electropermanent magnets forms a closed magnetic loop through the magnetic poles-the adjacent magnetic poles of the adjacent electropermanent magnets-air (or magnetic workpiece) -the adjacent electropermanent magnets-the mounting plate-the electropermanent magnets-the magnetic poles.
In one embodiment, the working magnetic circuit between the magnetic poles and the working magnetic circuit between the electric permanent magnets has no dead angle and covers the whole electric permanent magnet cluster array area.
In one embodiment, when a certain amount of instantaneous reverse direct current is supplied to the electro-permanent magnet, a magnetic field excited by controllable permanent magnet steel in any adjacent magnetic pole unit in the electro-permanent magnet and a magnetic field generated by permanent magnet steel between the two magnetic pole units are overlapped and fused into an inner closed-loop magnetic circuit, the inner closed-loop magnetic circuit forms a closed magnetic circuit through a magnetic pole-permanent magnet steel-adjacent magnetic pole-adjacent controllable permanent magnet steel-substrate-controllable permanent magnet steel-magnetic pole, no magnetic field exists outside the magnetic pole, and no magnetic property exists outside the magnetic pole.
In one embodiment, the non-magnetic annular wall is made of any one or more of stainless steel, aluminum plate, wood plate, non-magnetic manganese steel, or other non-magnetic materials.
The invention also comprises an implementation method of the electro-permanent magnet cluster array magnetic circuit, which comprises the following steps:
s1, winding a coil around controllable permanent magnet steel, wherein the height of the coil is smaller than that of the controllable permanent magnet steel, and the top surface of the controllable permanent magnet steel is pasted with a magnetic pole to form a magnetic pole unit; the magnetic pole units are arranged in pairs, permanent magnet steel is pasted in gaps between the side faces of the magnetic poles of the adjacent magnetic pole units, the winding directions of coils of the adjacent magnetic pole units are opposite, and the bottom faces of the controllable permanent magnet steel of the magnetic pole units are attached to and arranged on the substrate to form an electro-permanent magnet pole pair; the coils are led out in a serial connection mode, a parallel connection mode or a serial connection mode and then a parallel connection mode, the periphery of the substrate is provided with a non-magnetic annular wall, the non-magnetic annular wall surrounds the magnetic pole units, and air gaps between the non-magnetic annular wall and the magnetic pole units are arranged and filled and packaged to form the complete electro-permanent magnet.
S2, arranging the electropermanent magnets pairwise adjacently to enable the winding directions of the coils of the adjacent magnetic pole units of the adjacent electropermanent magnets to be opposite, and forming an electropermanent magnet cluster array.
And S3, the outgoing lines of the electric permanent magnets are individually or regionally connected to corresponding control points of a control power supply according to actual working conditions, instantaneous forward direct current is conducted to the electric permanent magnets, the magnetic poles externally represent magnetism, the polarities of the two adjacent magnetic poles are different, a magnetic field is generated between the adjacent magnetic poles in the electric permanent magnets to form a magnetic pole working magnetic circuit, a magnetic field is generated between the adjacent electric permanent magnets to form a working magnetic circuit between the electric permanent magnets, and the working magnetic circuit between the magnetic poles and the working magnetic circuit between the electric permanent magnets does not have dead angles and covers the whole electric permanent magnet cluster array area to form an electric permanent magnet cluster array magnetic circuit structure.
The invention has the following beneficial effects:
1. the permanent magnet is only adhered to the side gaps of the adjacent magnetic poles, the non-magnetic annular wall is arranged to surround the magnetic pole units, when the working states of the adjacent magnetic poles arranged in the electric permanent magnet array are different in polarity, a magnetic field is generated between the adjacent electric permanent magnets to form a working magnetic circuit between the electric permanent magnets, and the problem of magnetic field loss between the adjacent electric permanent magnets of the electric permanent magnet cluster array is solved. The non-dead angle coverage of the whole electro-permanent magnet cluster array area of the inter-magnetic pole working magnetic circuit and the inter-electro-permanent magnet working magnetic circuit is realized.
2. The unmanned management mode of different material placing areas is realized by independently controlling one electric permanent magnet or one electric permanent magnet group in one area in the electric permanent magnet cluster array.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a magnetic circuit structure of an electro-permanent magnet cluster array according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of an electropermanent magnet according to the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic diagram of an electro-permanent magnet cluster array magnetic circuit structure according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of an electropermanent magnet according to another embodiment of the present invention;
FIG. 7 is a cross-sectional view of FIG. 6;
FIG. 8 is a schematic diagram of an electro-permanent magnet cluster array magnetic circuit structure in a hybrid configuration local area control according to another embodiment of the present invention;
fig. 9 is a schematic diagram of a magnetic circuit structure of an array of electro-permanent magnet clusters in a grouping cluster according to another embodiment of the invention.
Detailed Description
It should be noted that all the directional indications (such as up, down, left, right, front, back, inner and outer, center … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, a magnetic circuit structure of an electro-permanent magnet cluster array 1 includes: the electric permanent magnet cluster array 1 is characterized in that the electric permanent magnet cluster array 1 consists of electric permanent magnets 11, an inter-magnetic pole working magnetic circuit 12, an inter-electric permanent magnet working magnetic circuit 13 and a mounting plate 14; the electric permanent magnets 11 are arranged in a pairwise adjacent array, at least two electric permanent magnets 11 are arranged, and the electric permanent magnets 11 are attached to and installed on the same side of the installation plate 14; the electropermanent magnet 11 comprises a substrate 111, a pair of magnetic pole units (a pair of adjacent magnetic pole units with different external characters of magnetism when instant forward direct current is conducted) is arranged on the substrate 111, each magnetic pole unit comprises a magnetic pole 115, and the magnetic pole 115 is exposed outwards to form a working surface;
when instant forward direct current is supplied to the electric permanent magnet 11, the magnetic poles 115 externally represent magnetism, the polarities of the two adjacent magnetic poles are different, an inter-magnetic pole working magnetic circuit 12 is generated between the adjacent magnetic poles in the electric permanent magnet 11, an inter-electric permanent magnet working magnetic circuit 13 is generated between the adjacent electric permanent magnets, and the inter-magnetic pole working magnetic circuit 12 and the inter-electric permanent magnet working magnetic circuit 13 do not have dead angles and cover the whole area of the electric permanent magnet cluster array 1; when the instantaneous reverse direct current with a certain magnitude is transmitted to the electric permanent magnet 11, the magnetic pole 115 has no magnetism outwards.
Preferably, the mounting plate 14 is made of a magnetically conductive material, and the purpose of providing the mounting plate 14 with a magnetically conductive material is to make an external magnetic circuit smoother.
Preferably, the electropermanent magnet 11 comprises a substrate 111, on which substrate 111 magnetic pole units are arranged in pairs, the magnetic pole units comprising: controllable permanent magnet steel 113, a coil 112 and magnetic poles 115, wherein the coil 112 is wound around the controllable permanent magnet steel 113, the height of the coil 112 is smaller than that of the controllable permanent magnet steel 113, the bottom surface of the controllable permanent magnet steel 113 is attached to the substrate 111, the magnetic poles 115 are attached to the top surface of the controllable permanent magnet steel 113, permanent magnet steel 116 is attached to the side gaps of the adjacent magnetic poles 115, the winding directions of the coils 112 in the adjacent magnetic pole units in the electro-permanent magnet 11 are opposite, and the coils 112 are led out through connection.
Furthermore, a pair of magnetic pole units of the electropermanent magnet 11 is arranged, a non-magnetic annular wall 114 is arranged on the periphery of the substrate 111, the non-magnetic annular wall 114 surrounds the magnetic pole units, a potting package 117 is arranged in an air gap between the non-magnetic annular wall 114 and the magnetic pole units to form the complete electropermanent magnet 11, and the potting package 117 is made of a non-magnetic material.
Preferably, when the instantaneous forward direct current is applied to the electro-permanent magnet 11, the magnetic poles 115 externally represent magnetism, the polarities of the two adjacent magnetic poles are different, an inter-magnetic pole working magnetic circuit 12 is generated between the adjacent magnetic poles in the electro-permanent magnet 11, and the inter-magnetic pole working magnetic circuit 12 comprises a magnetic circuit a and a magnetic circuit B; the magnetic circuit A is generated by the magnetic field of the controllable permanent magnet steel 113, and forms a closed magnetic loop through the controllable permanent magnet steel 113, the magnetic pole 115, air (or a magnetic workpiece), the adjacent magnetic pole, the adjacent controllable permanent magnet steel 113, the substrate 111 and the controllable permanent magnet steel 113; the magnetic circuit B is generated by the magnetic field of the permanent magnet steel 116, and forms a closed magnetic loop through the permanent magnet steel 116-the magnetic pole 115-the air (or the magnetic workpiece) -the adjacent magnetic pole-the permanent magnet steel 116.
Preferably, every two adjacent arrays of the electropermanent magnets 11 are attached to the same side of the mounting plate 14, at least two of the electropermanent magnets are arranged, when instant forward direct current is respectively supplied to each electropermanent magnet 11, the adjacent magnetic poles between any two adjacent electropermanent magnets 11 are different in polarity, an electropermanent magnet working magnetic circuit 13 is generated between the electropermanent magnets, and the electropermanent magnet working magnetic circuit 13 forms a closed magnetic loop through a magnetic pole 115-adjacent magnetic poles of adjacent electropermanent magnets 11-air (or magnetic workpiece) -adjacent electropermanent magnets-mounting plate 14-electropermanent magnets 11-magnetic pole 115.
Furthermore, the working magnetic circuit 12 between the magnetic poles and the working magnetic circuit 13 between the electro-permanent magnets cover the whole area of the electro-permanent magnet cluster array 1 without dead angles.
Preferably, when a certain amount of instantaneous reverse direct current is delivered to the electro-permanent magnet 11, the magnetic field excited by the controllable permanent magnet steel 113 in any adjacent magnetic pole unit in the electro-permanent magnet 11 and the magnetic field generated by the permanent magnet steel 116 between two magnetic pole units are mutually overlapped and fused to form the internal closed-loop magnetic circuit 10, and the internal closed-loop magnetic circuit 10 forms a closed magnetic circuit through the magnetic pole 115-the permanent magnet steel 116-the adjacent magnetic pole-the adjacent controllable permanent magnet steel-the substrate 111-the controllable permanent magnet steel 113-the magnetic pole 115, the magnetic pole 115 has no magnetic field outside, and the magnetic pole 115 has no magnetic property to the outside.
Preferably, the non-magnetic annular wall 114 is made of any one or more of stainless steel, aluminum plate, wood plate, non-magnetic manganese steel, or other non-magnetic material.
Referring to fig. 1, in an embodiment of the present electric permanent magnet cluster array 1, adjacent electric permanent magnets are arranged at equal intervals. The electro-permanent magnet cluster array 1 with the arrangement mode has more uniform magnetic circuit strength by arranging the electro-permanent magnets 11 at equal intervals.
Referring to fig. 9, in another embodiment of the electric permanent magnet cluster array 1, a grouping cluster meets the requirement of the real situation of a zoning blanking automation line.
The invention also comprises an implementation method of the magnetic circuit of the electro-permanent magnet cluster array 1, which comprises the following steps:
s1, winding a coil 112 around a controllable permanent magnet steel 113, wherein the height of the coil 112 is smaller than that of the controllable permanent magnet steel 113, and a magnetic pole unit is formed by pasting a magnetic pole 115 on the top surface of the controllable permanent magnet steel 113; the magnetic pole units are arranged in pairs, permanent magnet steel 116 is pasted in the gaps of the side faces of the magnetic poles 115 of the adjacent magnetic pole units, the winding directions of the coils 112 of the adjacent magnetic pole units are opposite, and the bottom faces of the controllable permanent magnet steel 113 of the magnetic pole units are attached to and installed on the substrate 111 to form the pair of electro-permanent magnet magnetic poles 115; the coil 112 is led out in a serial connection mode, a parallel connection mode or a serial connection mode and then a parallel connection mode, a non-magnetic annular wall 114 is arranged on the periphery of the substrate 111, the non-magnetic annular wall 114 surrounds the magnetic pole unit, and a potting package 117 is arranged on an air gap between the non-magnetic annular wall 114 and the magnetic pole unit to form the complete electro-permanent magnet 11.
S2, arranging the electropermanent magnets 11 in pairs, so that the winding directions of the coils of the adjacent magnetic pole units of the adjacent electropermanent magnets are opposite, and forming an electropermanent magnet 11 cluster array.
And S3, the outgoing line of each electropermanent magnet 11 is connected to a corresponding control point of a control power supply independently or regionally according to the actual working condition, instantaneous forward direct current is conducted to each electropermanent magnet 11, the magnetic pole 115 externally represents magnetism, the polarities of two adjacent magnetic poles are different, a magnetic field is generated between the adjacent magnetic poles in the electropermanent magnet 11 to form an inter-magnetic pole working magnetic circuit 12, a magnetic field is generated between the adjacent electropermanent magnets 11 to form an inter-electropermanent-magnet working magnetic circuit 13, and the inter-magnetic pole working magnetic circuit 12 and the inter-electropermanent-magnet working magnetic circuit 13 do not have dead angles and cover the whole area of the electropermanent magnet cluster array 1 to form a magnetic circuit structure.
Example 2
Referring to fig. 5 to 7, a difference from the above embodiment is that an electro-permanent magnet cluster array magnetic circuit structure includes: the electric permanent magnet cluster array 2 is characterized in that the electric permanent magnet cluster array 2 consists of electric permanent magnets 21, an inter-magnetic pole working magnetic circuit 22, an inter-electric permanent magnet working magnetic circuit 23 and a mounting plate 24; every two electric permanent magnets 21 are arranged in an adjacent array, at least two electric permanent magnets 21 are arranged, and the electric permanent magnets 21 are attached to and installed on the same side of the installation plate 24; the electropermanent magnet 21 includes a substrate 211, two pairs of magnetic pole units are disposed on the substrate 211, each magnetic pole unit includes a magnetic pole 215, and the magnetic pole 215 is exposed to the outside to form a working surface and to form a closed-loop magnetic circuit 20 inside.
When instantaneous forward direct current is conducted to the electric permanent magnet 21, the magnetic poles externally represent magnetism, the polarities of the two adjacent magnetic poles are different, an inter-magnetic pole working magnetic circuit 22 is generated between the adjacent magnetic poles in the electric permanent magnet 21, an inter-electric permanent magnet working magnetic circuit 23 is generated between the adjacent electric permanent magnets, and the inter-magnetic pole working magnetic circuit 22 and the inter-electric permanent magnet working magnetic circuit 23 do not have dead corners and cover the whole area of the electric permanent magnet cluster array 2; when the electric permanent magnet 21 is supplied with instantaneous reverse direct current with a certain magnitude, the magnetic pole does not have magnetism outwards.
Two pairs of magnetic pole units of the electropermanent magnet 21 are arranged, a non-magnetic annular wall 214 is arranged on the periphery of the substrate 211, the non-magnetic annular wall 214 surrounds the magnetic pole units, a potting material 217 is arranged in an air gap between the non-magnetic annular wall 214 and the magnetic pole units to form the complete electropermanent magnet 21, and the potting material 217 is a non-magnetic material.
Further, the magnetic pole units arranged in the same electropermanent magnet 21 are arranged in a rectangular shape, the magnetic poles 215 of each magnetic pole unit are externally characterized by magnetism when the electropermanent magnet 21 is electrified with instantaneous forward direct current, and the magnetic poles 215 of two adjacent magnetic pole units are different in polarity.
Preferably, the electropermanent magnet 21 comprises a substrate 211, on which substrate 211 there are arranged in pairs magnetic pole units comprising: the controllable permanent magnet 21 comprises controllable permanent magnet steel 213, coils 212 and magnetic poles 215, wherein the coils 212 are wound around the controllable permanent magnet steel 213, the height of the coils 212 is smaller than that of the controllable permanent magnet steel 213, the bottom surface of the controllable permanent magnet steel 213 is attached to the substrate 211, the magnetic poles 215 are attached to the top surface of the controllable permanent magnet steel 213, permanent magnet steel 216 is attached to the side gaps of the adjacent magnetic poles 215, the winding directions of the coils 212 in the adjacent magnetic pole units in the electric permanent magnet 21 are opposite, and the coils 212 are led out through connection.
Example 3
Referring to fig. 8, in combination with the above two embodiments, the difference between the two embodiments is that a magnetic circuit structure of an electro-permanent magnet cluster array 1 includes: the electric permanent magnet cluster array 1 is characterized in that the electric permanent magnet cluster array 1 is composed of electric permanent magnets 11, electric permanent magnets 21, an inter-magnetic pole working magnetic circuit (not shown), an inter-electric permanent magnet working magnetic circuit (not shown) and a mounting plate (not shown).
Further, the pitches between the adjacently disposed electropermanent magnets 11, between the adjacently disposed electropermanent magnets 21, and between the electropermanent magnets 11 and the electropermanent magnets 21 are equal.
Furthermore, when the instantaneous forward direct current is applied to the electropermanent magnet 11 and the electropermanent magnet 21, the magnetic poles externally represent magnetism, and the two magnetic poles of the electropermanent magnet units adjacently arranged between the electropermanent magnet 11 and the electropermanent magnet 21 have different polarities. In this example, the electric permanent magnet cluster array can realize magnetic circuit control in a local area by controlling the energization condition of different electric permanent magnets (instantaneous forward direct current or instantaneous reverse direct current is energized by the electric permanent magnets), so that a control mode of local discharging is facilitated, and an unmanned management mode that different materials are placed in different areas is ensured.
For example, when the instantaneous forward direct current is applied to the electro-permanent magnets in the electro-permanent magnet cluster array, the magnetic poles externally represent magnetism, and when instantaneous reverse direct current is applied to one or more electro-permanent magnets in the electro-permanent magnet cluster array according to local control requirements, local magnetic circuit control can be achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An electro-permanent magnet cluster array magnetic circuit structure, comprising: the electric permanent magnet cluster array consists of electric permanent magnets, an inter-magnetic pole working magnetic circuit, an inter-electric permanent magnet working magnetic circuit and a mounting plate; the electric permanent magnets are arranged in a pairwise adjacent array, at least two electric permanent magnets are arranged, and the electric permanent magnets are attached to and installed on the same side of the mounting plate; the electropermanent magnet comprises a substrate, wherein a pair of magnetic pole units are arranged on the substrate, each magnetic pole unit comprises a magnetic pole, and the magnetic poles are exposed outwards to form a working surface;
when instant forward direct current is conducted to the electric permanent magnets, the magnetic poles are externally characterized by magnetism, the polarities of two adjacent magnetic poles are different, the inter-magnetic pole working magnetic circuit is generated between the adjacent magnetic poles in the electric permanent magnets, the inter-electric permanent magnet working magnetic circuit is generated between the adjacent electric permanent magnets, and the inter-magnetic pole working magnetic circuit and the inter-electric permanent magnet working magnetic circuit have no dead angle and cover the whole electric permanent magnet cluster array area; and when the electric permanent magnet is supplied with instantaneous reverse direct current with a certain magnitude, the magnetic pole has no magnetism outwards.
2. The structure according to claim 1, wherein the electro-permanent magnet cluster array magnetic circuit comprises a substrate, and the substrate is provided with a pair of magnetic pole units, and the magnetic pole units comprise: the controllable permanent magnet steel is wound with the coils, the height of the coils is smaller than that of the controllable permanent magnet steel, the bottom surface of the controllable permanent magnet steel is attached to the base plate, the top surface of the controllable permanent magnet steel is attached with the magnetic poles, the side gaps of the adjacent magnetic poles are attached with the permanent magnet steel, the winding directions of the coils in adjacent magnetic pole units in the electric permanent magnet are opposite, and the coils are led out through connection.
3. The structure according to claim 2, wherein at least one pair of magnetic pole units of the electro-permanent magnet is disposed, the substrate is provided with a non-magnetic annular wall at its periphery, the non-magnetic annular wall surrounds the magnetic pole units, and an air gap between the non-magnetic annular wall and the magnetic pole units is filled with a non-magnetic material to form a complete electro-permanent magnet.
4. The electro-permanent magnet cluster array magnetic circuit structure of claim 3, wherein the magnetic poles are externally characterized by magnetism when the electro-permanent magnets are energized with instantaneous positive direct current, and the polarities of two adjacent magnetic poles are different, and an inter-magnetic pole working magnetic circuit is generated between the adjacent magnetic poles in the electro-permanent magnets, and the inter-magnetic pole working magnetic circuit comprises a magnetic circuit A and a magnetic circuit B; the magnetic circuit A is generated by a magnetic field of controllable permanent magnet steel, and a closed magnetic loop is formed by the controllable permanent magnet steel, a magnetic pole, air (or a magnetic workpiece), an adjacent magnetic pole, an adjacent controllable permanent magnet steel, a substrate and the controllable permanent magnet steel; the magnetic circuit B is generated by the magnetic field of the permanent magnet steel, and a closed magnetic loop is formed by the permanent magnet steel, a magnetic pole, air (or a magnetic workpiece), an adjacent magnetic pole and the permanent magnet steel.
5. The structure of claim 1, wherein two adjacent arrays of said electropermanent magnets are attached to the same side of the mounting plate, at least two of said electropermanent magnets are disposed, and when instantaneous forward direct current is applied to each of said electropermanent magnets, the adjacent magnetic poles of any adjacent electropermanent magnets have different polarities, so as to form a working magnetic circuit between electropermanent magnets, and said working magnetic circuit between electropermanent magnets forms a closed magnetic circuit through magnetic poles-adjacent magnetic poles of adjacent electropermanent magnets-air (or magnetic workpiece) -adjacent electropermanent magnets-mounting plate-electropermanent magnet-magnetic pole.
6. An electro-permanent magnet cluster array magnetic structure as claimed in claim 4 or 5, wherein the inter-pole working magnetic circuit and the inter-permanent magnet working magnetic circuit have no dead space covering the whole electro-permanent magnet cluster array area.
7. The structure of claim 2 or 3, wherein when a certain amount of direct current is applied to the electro-permanent magnet, the magnetic field induced by the controllable permanent magnet steel in any adjacent magnetic pole unit in the electro-permanent magnet and the magnetic field generated by the permanent magnet steel between two magnetic pole units are overlapped and fused to form an inner closed-loop magnetic circuit, the inner closed-loop magnetic circuit forms a closed magnetic circuit through the magnetic pole-permanent magnet steel-adjacent magnetic pole-adjacent controllable permanent magnet steel-substrate-controllable permanent magnet steel-magnetic pole, the magnetic pole has no magnetic field outside, and the magnetic pole has no magnetic field outside.
8. The structure of claim 3, wherein the non-magnetic annular wall is made of one or more of stainless steel, aluminum plate, wood plate, non-magnetic manganese steel, or other non-magnetic materials.
9. The method for implementing an electro-permanent magnet cluster array magnetic circuit according to any one of claims 1 to 8, comprising the steps of:
s1, winding a coil around controllable permanent magnet steel, wherein the height of the coil is smaller than that of the controllable permanent magnet steel, and the top surface of the controllable permanent magnet steel is pasted with a magnetic pole to form a magnetic pole unit; the magnetic pole units are arranged in pairs, permanent magnet steel is pasted in gaps between the side faces of the magnetic poles of the adjacent magnetic pole units, the winding directions of coils of the adjacent magnetic pole units are opposite, and the bottom faces of the controllable permanent magnet steel of the magnetic pole units are attached to and arranged on the substrate to form an electro-permanent magnet pole pair; the coils are led out in a serial connection mode, a parallel connection mode or a serial connection mode and then a parallel connection mode, the periphery of the substrate is provided with a non-magnetic annular wall, the non-magnetic annular wall surrounds the magnetic pole units, and air gaps between the non-magnetic annular wall and the magnetic pole units are arranged and filled and packaged to form the complete electro-permanent magnet.
S2, arranging the electropermanent magnets pairwise adjacently to enable the winding directions of the coils of the adjacent magnetic pole units of the adjacent electropermanent magnets to be opposite, and forming an electropermanent magnet cluster array.
And S3, the outgoing lines of the electric permanent magnets are individually or regionally connected to corresponding control points of a control power supply according to actual working conditions, instantaneous forward direct current is conducted to the electric permanent magnets, the magnetic poles externally represent magnetism, the polarities of the two adjacent magnetic poles are different, a magnetic field is generated between the adjacent magnetic poles in the electric permanent magnets to form a magnetic pole working magnetic circuit, a magnetic field is generated between the adjacent electric permanent magnets to form a working magnetic circuit between the electric permanent magnets, and the working magnetic circuit between the magnetic poles and the working magnetic circuit between the electric permanent magnets does not have dead angles and covers the whole electric permanent magnet cluster array area to form an electric permanent magnet cluster array magnetic circuit structure.
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