阅读说明：本技术 一种电永磁集群阵列磁路结构及其实施方法 (Electro-permanent magnet cluster array magnetic circuit structure and implementation method thereof ) 是由 王梅千 乔志洪 苏游情 田宇 周年春 于 2020-06-24 设计创作，主要内容包括：一种电永磁集群阵列磁路结构,包括：电永磁集群阵列,电永磁集群阵列由电永磁体、磁极间工作磁路、电永磁体间工作磁路、安装板组成,电永磁体两两相邻阵列设置,至少设置两个；电永磁体包含基板,基板上成对设置有磁极单元,磁极单元包含有磁极,给电永磁体通瞬时正向直流电时磁极对外表征磁性,且相邻两磁极极性相异,电永磁体内相邻磁极间产生磁极间工作磁路,相邻电永磁体间产生电永磁体间工作磁路。本发明的磁极间工作磁路和电永磁体间工作磁路无死角覆盖整个电永磁集群阵列区域,弥补现有技术中存在磁路覆盖不完全的问题。(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.)

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.

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.

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.