CN216437028U

CN216437028U - Power device based on magnetic matching of electromagnet and permanent magnet

Info

Publication number: CN216437028U
Application number: CN202122670229.4U
Authority: CN
Inventors: 董利
Original assignee: Zhejiang Langshuo Electromagnet Co ltd
Current assignee: Zhejiang Langshuo Electromagnet Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-03
Anticipated expiration: 2031-11-03

Abstract

The utility model provides a power device based on electro-magnet and permanent magnet magnetism complex, including electro-magnet mechanism and permanent magnet mechanism, electro-magnet mechanism includes first mounting, the electro-magnet iron core, and bobbin, first mounting is equipped with the open-ended installation cavity, epoxy pours into in the installation cavity, electro-magnet iron core locates in the installation cavity, bobbin is rich in the coil of electrified source line, bobbin locates between electro-magnet iron core and the installation intracavity wall, still be equipped with the first fixed knot who is used for fixed electro-magnet mechanism on the outer wall of first mounting, permanent magnet mechanism includes the second mounting, and permanent magnet iron core, be equipped with the second fixed knot who is used for installing permanent magnet iron core on the lower surface of second mounting and construct, still be equipped with the third fixed knot who is used for fixed permanent magnet mechanism on the outer wall of second mounting. The whole structure is simple and reasonable, the repeated continuous conversion from electric energy and magnetic energy to kinetic energy is realized, the energy-saving effect can be produced, the working efficiency can be improved, and the noise is low during working.

Description

Power device based on magnetic matching of electromagnet and permanent magnet

Technical Field

The utility model relates to a power device field especially relates to a power device based on electro-magnet and permanent magnet magnetism complex.

Background

The sucker type electromagnet is generally electrified to generate a magnetic field to adsorb a magnetic conduction object, the magnetic field disappears after the power is off, the adsorbed object is released, the current direction can be changed to change the magnetic pole of the middle iron core of the electromagnet, the defect that the conversion from electromagnetism to kinetic energy cannot be better realized is overcome, the permanent magnet is close to the magnetic conduction object to be adsorbed, the magnetic energy can be converted into the kinetic energy without energy consumption, and the magnetic conduction object is not easy to be separated after adsorption. The two can not be used alone to realize the repeated and continuous conversion from electric energy and magnetic energy to kinetic energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shortcoming that exists to above-mentioned prior art, the utility model aims at providing a power device based on electro-magnet and permanent magnet magnetism complex, it has realized by electric energy, magnetic energy to the relapse continuous conversion of kinetic energy, can produce energy-conserving effect to can improve work efficiency.

The technical scheme adopted by the utility model for solving the technical problems is that the power device based on the magnetic matching of the electromagnet and the permanent magnet comprises an electromagnet mechanism and a permanent magnet mechanism, wherein the electromagnet mechanism comprises a first fixing piece, an electromagnet core and a winding framework, the first fixing piece is provided with an opening installation cavity, epoxy resin is poured into the installation cavity, the electromagnet core is arranged in the installation cavity, the winding framework is wound with a coil with a power line, the winding framework is arranged between the electromagnet core and the inner wall of the installation cavity, the power line is led out through a power line perforation arranged on the first fixing piece, a first fixing structure for fixing the electromagnet mechanism is further arranged on the outer wall of the first fixing piece, the permanent magnet mechanism comprises a second fixing piece and a permanent magnet core, a second fixing structure for installing the permanent magnet core is arranged on the lower surface of the second fixing piece, and a third fixing structure for fixing the permanent magnet mechanism is further arranged on the outer wall of the second fixing piece.

Adopt above-mentioned technical scheme's advantage: the magnetic pole of the electromagnet iron core is changed by inputting current in the positive direction, the magnetic pole is converted into a magnetic pole opposite to the permanent magnet iron core, based on the principle of heteropolar attraction, the permanent magnet iron core moves towards the electromagnet iron core, when the electromagnet iron core needs to be separated, current is input in the reverse direction, the electromagnet iron core generates a magnetic pole the same as the permanent magnet iron core, according to the principle of homopolar repulsion, the permanent magnet iron core repels the electromagnet iron core, the permanent magnet iron core moves away from the movable magnet iron core, a motion stroke is generated between the attraction and the repulsion in the process, the process is a process of converting electric energy into magnetic energy and then converting the magnetic energy into kinetic energy, the purpose of driving a power shaft of equipment to reciprocate is achieved, the problem that the permanent magnet iron core is easy to attract and difficult to separate is solved, more importantly, the process of converting the magnetic energy of the permanent magnet iron core into the kinetic energy when the permanent magnet iron core and the electromagnet iron core attract, the process has no energy consumption, thereby achieving the purpose of energy saving and improving the working efficiency of the equipment.

Furthermore, the second fixed structure is a fixed base formed in the center of the lower surface of the second fixed part, and the fixed base and the permanent magnet iron core are attracted under the action of magnetic force or are matched in a threaded structure.

Adopt above-mentioned technical scheme's advantage: the permanent magnet iron core can be effectively arranged on the second fixing piece, the power output carrier and the second fixing piece can keep synchronous motion with the permanent magnet iron core after being matched, and the fixing mode is simple and reasonable.

Furthermore, a compression spring is further sleeved on the outer wall of the fixed base, the other end of the compression spring is sleeved on the outer wall of the electromagnet core, and the compression spring is tightly pressed between the electromagnet mechanism and the permanent magnet mechanism, and the elastic force of the compression spring is smaller than the adsorption force between the electromagnet mechanism and the permanent magnet mechanism.

Adopt above-mentioned technical scheme's advantage: compression spring's setting for at the in-process that repulses mutually, for permanent magnet core's removal provides elasticity, make its kinetic energy that produces bigger, reach the purpose of repelling rapidly, and compression spring passes through fixed baseplate and electromagnet core formation position and prescribes a limit, has effectively avoided in the action in-process, takes place the phenomenon of distortion removal, has ensured that the device action is stable.

Further, second mounting lower surface edge still is equipped with spacing protruding edge, spacing protruding edge centers on permanent magnet core sets up, spacing protruding edge extremely the distance of electromagnet core slightly is less than permanent magnet core extremely the distance of electromagnet core.

Adopt above-mentioned technical scheme's advantage: the second fixing piece moves towards the direction of the first fixing piece under the driving of the permanent magnet iron core, and the bottom of the second fixing piece until the limiting convex edge acts on the electromagnet mechanism, so that the second fixing piece is limited to continue moving, the permanent magnet iron core is effectively prevented from being in surface contact with the moving magnet iron core in the process of attraction, and the use safety is guaranteed.

Furthermore, the outer diameter of the limiting convex edge is consistent with the outer diameter of the installation cavity, and an elastic buffer part is arranged on the bottom wall surface of the limiting convex edge and/or the top wall surface of the installation cavity.

Adopt above-mentioned technical scheme's advantage: the elastic buffer part has stable buffering effect, effectively buffers the impact force between the elastic buffer part and the elastic buffer part, ensures the use safety of products and reduces the noise to a certain extent.

Furthermore, the difference between the inner hole of the coil frame and the aperture of the electromagnet core is smaller than the difference between the outer wall of the winding frame and the aperture of the installation cavity.

Adopt above-mentioned technical scheme's advantage: after epoxy resin is poured and pressure on two sides is balanced, the inner hole wall surface of the coil framework cannot be attached to the outer wall of the electromagnet core, and the structure is reasonable.

Furthermore, the first fixing structure and the second fixing structure are installation screw holes, and the installation screw holes are formed in the center of the lower surface of the first fixing piece and the center of the upper surface of the second fixing piece respectively.

Adopt above-mentioned technical scheme's advantage: the electromagnet mechanism and the permanent magnet mechanism are respectively arranged on the corresponding carriers through the mounting screw holes, the structure is simple, the installation is convenient, the forming position of the mounting screw holes is reasonable, and the stability of the action is ensured.

Furthermore, a thermal shrinkage protective sleeve is arranged at the power line perforation and is a PVC thermal shrinkage sleeve or a PET thermal shrinkage sleeve.

Adopt above-mentioned technical scheme's advantage: after being electrified, the cable shrinks when being heated, thereby achieving good sealing, water-proof and electric insulation effects.

The utility model has the advantages that: the whole structure is simple and reasonable, the repeated continuous conversion from electric energy and magnetic energy to kinetic energy is realized, the energy-saving effect can be generated, the working efficiency can be improved, and the noise is low during working.

Drawings

Fig. 1 is a schematic structural view of the electromagnet mechanism and the permanent magnet structure of the present invention for generating repulsion;

FIG. 2 is a schematic structural view showing the attraction between the electromagnet mechanism and the permanent magnet structure of the present invention;

fig. 3 is a structural sectional view of the electromagnet mechanism of the present invention;

FIG. 4 is a sectional view of the permanent magnet mechanism of the present invention;

in the figure: 1-an electromagnet mechanism, 2-a permanent magnet mechanism, 3-a first fixing piece, 4-an electromagnet core, 5-a winding framework, 6-an installation cavity, 7-epoxy resin, 8-a coil, 9-a power line, 10-a power line perforation, 11-a first fixing structure, 12-a second fixing piece, 13-a permanent magnet core, 14-a second fixing structure, 15-a third fixing structure, 16-a compression spring, 17-a limiting convex edge, 18-an elastic buffer piece and 19-a heat-shrinkable protective sleeve.

Detailed Description

In order to more clearly illustrate embodiments and/or technical solutions in the prior art, embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. The term "orientation" merely means a relative positional relationship between the respective members, and does not mean an absolute positional relationship.

Referring to fig. 1 to 4, a power device based on magnetic matching of an electromagnet and a permanent magnet comprises an electromagnet mechanism 1 and a permanent magnet mechanism 2, wherein the electromagnet mechanism 1 comprises a first fixing member 3, an electromagnet core 4 and a bobbin 5, the first fixing member 3 is provided with an open mounting cavity 6, epoxy resin 7 is filled in the mounting cavity 6, the electromagnet core 4 is arranged in the mounting cavity 6, the bobbin 5 is wound with a coil 8 with a power cord 9, the bobbin 5 is arranged between the electromagnet core 4 and the inner wall of the mounting cavity 6, during mounting, after the electromagnet core 4 is fixed to the central position of the mounting cavity 6, the bobbin 5 after winding is sleeved outside the electromagnet core 4, during epoxy resin filling, the bobbin 5 can generate position deviation along with liquid filling until pressure is balanced, and because the difference between the inner hole of the bobbin 5 and the hole diameter of the electromagnet core 4 is smaller than the difference between the outer wall of the bobbin 5 and the hole diameter of the mounting cavity 6, therefore, after the pressure is balanced, the bobbin 5 is in a proper position (the center of the bobbin 5 is consistent with the center of the mounting cavity 6), and the inner hole wall surface of the bobbin is not attached to the outer wall of the electromagnet core 4, so that the bobbin 5 is not limited in position by an additional fixing structure, the power line is led out through the power line through hole 10 arranged on the first fixing member 3, and the power line through hole 10 can be formed at any position of the first fixing member 3.

In this embodiment, still be equipped with the first fixed knot who is used for fixed electromagnet mechanism 1 on the outer wall of first mounting 3 and construct 11, first fixed knot constructs 11 for the installation screw hole, and forms in the center department of 3 lower surfaces of first mounting, installs electromagnet mechanism 1 on corresponding carrier through the installation screw hole, simple structure, simple to operate, and the installation screw hole forms the position rationally, has guaranteed the stability of electromagnet mechanism 1 action.

In this embodiment, the permanent magnet mechanism 2 includes the second fixed part 12, and permanent magnet core 13, be equipped with the second fixed knot who is used for installing permanent magnet core 13 on the lower surface of second fixed part 12 and construct 14, more specifically say, the fixed base of second fixed knot 14 for forming in the center department of second fixed part 12 lower surface, magnetic force effect actuation or screw thread structure cooperation between fixed base and the permanent magnet core 13, can effectually make permanent magnet core 13 install on second fixed part 12 through this structure, guaranteed that power take off carrier and second fixed part 12 form the cooperation after, can keep synchronous motion with permanent magnet core 13, the fixed mode is simple reasonable.

In this embodiment, the outer wall of the second fixing member 12 is further provided with a third fixing structure 15 for fixing the permanent magnet mechanism 2, the third fixing structure 15 is also an installation screw hole and is formed in the center of the lower surface of the second fixing member 12, the permanent magnet mechanism 2 is installed on a corresponding power output carrier through the installation screw hole, the structure is simple, the installation is convenient, the formation position of the installation screw hole is reasonable, and the action stability is ensured.

In this embodiment, the outer wall of the fixed base is further sleeved with a compression spring 16, the other end of the compression spring 16 is sleeved on the outer wall of the electromagnet core 4, the compression spring 16 is compressed between the electromagnet mechanism 1 and the permanent magnet mechanism 2, and the elastic force of the compression spring is smaller than the adsorption force between the electromagnet mechanism 1 and the permanent magnet mechanism 2, that is, the inner hole at one end of the compression spring 16 is larger than the diameter of the electromagnet core 4, and the inner hole at the other end of the compression spring 16 is also larger than the diameter of the permanent magnet core 13 and the fixed base on which the permanent magnet core 13 is mounted, when the electromagnet core 4 and the permanent magnet core 13 attract each other in opposite poles, the compression spring 16 is compressed accordingly, the suction force is larger than the compressed elastic force of the compression spring 16, the compression spring 16 cannot be bounced, when repelling, the compressed compression spring 16 releases the elastic repulsive force, and the repulsive force is superposed to make the repulsive force larger, that is, the kinetic energy generated by the compression spring is larger, therefore, the purpose of rapid repulsion is achieved, and the compression spring 16 is limited by the position formed by the fixed base and the electromagnet core 4, so that the phenomenon of twisting and moving in the action process is effectively avoided, and the action stability of the device is ensured.

In this implementation, second mounting 12 lower surface edge still is equipped with spacing protruding edge 17, spacing protruding edge 17 sets up around permanent magnet core 13, spacing protruding edge 17 slightly is less than permanent magnet core 13 to the distance of electro-magnet core 4, spacing protruding formation along 17, second mounting 12 moves towards 3 directions of first mounting under the drive of permanent magnet core 13, bottom and electromagnet mechanism 1 act on until spacing protruding edge 17, thereby restrain second mounting 12 and continue to move, prevent effectively that permanent magnet core 13 is at the looks attraction in-process, take place surface contact with moving magnet core 4, the security of using has been guaranteed.

In this embodiment, the external diameter of spacing protruding edge 17 is unanimous with the external diameter of installation cavity 6, is equipped with elastic buffer 18 on the bottom wall of spacing protruding edge 17 and/or the top wall of installation cavity 6, and the design of this structure has guaranteed that elastic buffer 18 acts on between first mounting 3 and second mounting 12, and cushioning effect is stable, has effectively cushioned both striking dynamics, guarantees the safety of product use to the production of noise reduction to a certain extent.

In this embodiment, the power line perforation 10 is provided with a thermal shrinkage sheath 19, the thermal shrinkage sheath 19 is a PVC thermal shrinkage sheath or a PET thermal shrinkage sheath, and after being powered on, the sheath shrinks when being heated, thereby achieving good sealing, water-proof and electrical insulation effects.

The working principle is as follows: the magnetic pole of the electromagnet core 4 is changed by inputting current in the positive direction, the magnetic pole is converted into a magnetic pole opposite to the permanent magnet core 13, based on the principle of heteropolar attraction, the permanent magnet core 13 moves towards the electromagnet core 4, when the electromagnet core 4 needs to be separated, current is input in the reverse direction, the electromagnet core 4 generates a magnetic pole which is the same as the permanent magnet core 13, according to the principle of homopolar repulsion, the permanent magnet core 13 repels the electromagnet core 4, the permanent magnet core 13 moves away from the electromagnet core 4, a motion stroke is generated between the attraction and the repulsion, the process is a process of converting electric energy into magnetic energy and then converting the magnetic energy into kinetic energy, the purpose of driving a power shaft of equipment to reciprocate is achieved, the problem that the permanent magnet core 13 is easy to attract and difficult to separate is solved, more importantly, when the permanent magnet core 13 attracts the electromagnet core 4, the process is converted from the magnetic energy of the permanent magnet core 13 into the kinetic energy, the process has no energy consumption, thereby achieving the purpose of energy saving and improving the working efficiency of the equipment.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a power device based on electro-magnet and permanent magnet magnetism cooperation which characterized in that: comprises an electromagnet mechanism (1) and a permanent magnet mechanism (2), wherein the electromagnet mechanism (1) comprises a first fixing piece (3), an electromagnet core (4) and a winding framework (5), the first fixing piece (3) is provided with an open installation cavity (6), epoxy resin (7) is filled in the installation cavity (6), the electromagnet core (4) is arranged in the installation cavity (6), the winding framework (5) is wound with a coil (8) with a power line (9), the winding framework (5) is arranged between the electromagnet core (4) and the inner wall of the installation cavity (6), the power line (9) is led out through a power line perforation (10) arranged on the first fixing piece (3), the outer wall of the first fixing piece (3) is also provided with a first fixing structure (11) used for fixing the electromagnet mechanism (1), permanent magnet mechanism (2) are including second mounting (12) and permanent magnet core (13), be equipped with on the lower surface of second mounting (12) and be used for the installation second fixed knot constructs (14) of permanent magnet core (13), still be equipped with on the outer wall of second mounting (12) and be used for fixing third fixed knot constructs (15) of permanent magnet mechanism (2).

2. The power device based on the magnetic matching of the electromagnet and the permanent magnet is characterized in that: the second fixing structure (14) is a fixing base formed in the center of the lower surface of the second fixing piece (12), and the fixing base and the permanent magnet iron core (13) are attracted under the action of magnetic force or are matched in a threaded structure.

3. The power device based on the magnetic matching of the electromagnet and the permanent magnet is characterized in that: still the cover is equipped with compression spring (16) on fixed baseplate's the outer wall, compression spring (16) other pot head is located on electromagnet core (4) outer wall, compression spring (16) compress tightly in electromagnet mechanism (1) with between permanent magnet mechanism (2), and its elasticity is less than the adsorption affinity between the two.

4. The power device based on the magnetic matching of the electromagnet and the permanent magnet is characterized in that: second mounting (12) lower surface edge still is equipped with spacing protruding edge (17), spacing protruding edge (17) center on permanent magnet core (13) set up, spacing protruding edge (17) extremely the distance of electromagnet core (4) is slightly less than permanent magnet core (13) extremely the distance of electromagnet core (4).

5. The power device based on the magnetic matching of the electromagnet and the permanent magnet is characterized in that: the outer diameter of the limiting convex edge (17) is consistent with the outer diameter of the installation cavity (6), and an elastic buffer part (18) is arranged on the bottom wall surface of the limiting convex edge (17) and/or the top wall surface of the installation cavity (6).

6. The power device based on the magnetic matching of the electromagnet and the permanent magnet is characterized in that: the hole of bobbin (5) with the aperture difference of electro-magnet iron core (4) is less than the outer wall of bobbin (5) with the aperture difference of installation cavity (6).

7. The power device based on the magnetic matching of the electromagnet and the permanent magnet is characterized in that: the first fixing structure (11) and the second fixing structure (14) are installation screw holes, and the two installation screw holes are formed in the center of the lower surface of the first fixing piece (3) and the center of the upper surface of the second fixing piece (12) respectively.

8. The power device based on the magnetic matching of the electromagnet and the permanent magnet is characterized in that: the power line perforation (10) is provided with a thermal shrinkage protective sleeve (19), and the thermal shrinkage protective sleeve (19) is a PVC thermal shrinkage sleeve or a PET thermal shrinkage sleeve.