CN220085763U - Multi-coil electromagnetic motion mechanism and electromagnetic lock - Google Patents
Multi-coil electromagnetic motion mechanism and electromagnetic lock Download PDFInfo
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- CN220085763U CN220085763U CN202321121341.5U CN202321121341U CN220085763U CN 220085763 U CN220085763 U CN 220085763U CN 202321121341 U CN202321121341 U CN 202321121341U CN 220085763 U CN220085763 U CN 220085763U
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- 239000004020 conductor Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000696 magnetic material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electromagnetic motion, in particular to a multi-coil electromagnetic motion mechanism and an electromagnetic lock, which comprise an electromagnetic assembly and a permanent magnet assembly penetrating the electromagnetic assembly; the electromagnetic assembly comprises a plurality of electromagnetic coils which are adjacently arranged, and magnetic poles generated by two adjacent electromagnetic coils are oppositely arranged; the permanent magnet assembly comprises a plurality of magnets which are arranged in one-to-one correspondence with the electromagnetic coils, the magnetic poles of two adjacent magnets are oppositely arranged, a through hole is formed in the center of each magnet, and a plurality of non-magnetic conductive material pieces used for compressing and fixing the plurality of magnets are arranged in the through holes of the magnets. The utility model has the effect of improving the whole thrust and further improving the action rapidity.
Description
Technical Field
The utility model relates to the technical field of electromagnetic motion, in particular to a multi-coil electromagnetic motion mechanism and an electromagnetic lock.
Background
The electromagnetic motion mechanism is a mechanism commonly used in daily life, and the design of the electromagnetic motion mechanism is also various according to different functional requirements. Among the various electromagnetic motion mechanism types, a single coil is electrified to generate magnetic force to attract a single magnetically permeable material (a material which can be attracted by a magnet), and the pushing mechanism is large in design size, high in power consumption and easy to heat and damage after long-time working. Therefore, my research and development and apply for a multi-coil electromagnetic motion mechanism and an electromagnetic lock, the publication number of which is CN204850761U, the electromagnetic motion mechanism comprises at least two coils, magnets with the same number as the coils, a wire spool with a central through hole and at least one non-magnetic material block, the wire spools are arranged in opposite and sequential mode, the coils are respectively wound on the wire spools, the magnets are respectively inserted into the central through holes of the wire spools and can slide back and forth in the central through holes, at least one non-magnetic material block is arranged between every two magnets, and the non-magnetic material blocks can also move back and forth on the straight line where the central through holes of the wire spools are located.
With respect to the related art described above, the inventors found that the main effect of the non-magnetic material block disposed between the two magnets is to prevent the two magnets having the same magnetic pole directions from being attracted together, and when the two magnets are disposed with the magnetic poles reversed and the magnetic poles generated by the two coils reversed, the non-magnetic material block moves to the first coil, and when the second magnet does not enter the first coil, the magnetism generated by the first coil repels the second magnet, thereby resulting in the occurrence of the situation of reduced overall thrust.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a multi-coil electromagnetic motion mechanism, which has the advantages of improving the whole thrust and further improving the action rapidity.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a multi-coil electromagnetic motion mechanism comprises an electromagnetic assembly and a permanent magnet assembly penetrating through the electromagnetic assembly; the electromagnetic assembly comprises a plurality of electromagnetic coils which are adjacently arranged, and magnetic poles generated by two adjacent electromagnetic coils are oppositely arranged; the permanent magnet assembly comprises a plurality of magnets which are arranged in one-to-one correspondence with the electromagnetic coils, the magnetic poles of two adjacent magnets are oppositely arranged, a through hole is formed in the center of each magnet, and a plurality of non-magnetic conductive material pieces used for compressing and fixing the plurality of magnets are arranged in the through holes of the magnets.
According to the technical scheme, after the power is applied, the magnetic field direction of the first magnet is the same as the internal magnetic field direction of the first coil, when the magnetic field direction of the second magnet is the same as the internal magnetic field direction of the second coil, the internal magnetic field of the first coil generates repulsive force to the first magnet, the first magnet is pushed to the left, the internal magnetic field of the first coil generates attractive force to the second magnet and the internal magnetic field of the second coil also generates repulsive force to the second magnet, the second magnet is forced to the left, and then the non-magnetic material piece and the two magnets are driven to move to the left at the same time, and in the left moving process, the two magnets are fixed because the non-magnetic material piece passes through the center of the magnets. The two magnets are prevented from being separated because of opposite magnetic poles, and meanwhile, the two magnets are not blocked, so that the distance between the two magnets is smaller, the second magnet can quickly enter the first coil, repulsive force of the first coil when the first magnet does not enter the first coil is reduced, and movement thrust and rapidity of movement of the second magnet are improved.
As a preferable scheme of the utility model, the non-magnetic conductive material piece comprises a connecting rod, and both ends of the connecting rod are provided with limiting bosses.
The technical scheme is realized, namely the connecting rod is arranged in the through hole of the magnet in a penetrating way, and then the two magnets are limited through the limiting boss so as to prevent the two magnets from being separated, wherein the limiting boss can be completed through riveting for ensuring the safety.
As a preferable scheme of the utility model, both ends of the connecting rod are provided with threaded parts, and the two limit bosses are respectively screwed on the two threaded parts.
The technical scheme is realized, namely the limit boss is gradually screwed, so that the two magnets are pressed tightly, and the magnets are conveniently installed.
As a preferable mode of the present utility model, the electromagnetic coil and the magnet are provided in two.
The technical scheme is realized, the reaction rapidity is ensured by limiting two quantities, and meanwhile, the manufacturing cost is saved.
The utility model also provides an electromagnetic lock of the electromagnetic motion mechanism, which comprises the multi-coil electromagnetic motion mechanism.
As a preferable scheme of the utility model, the electromagnetic motion mechanism further comprises a shell and a lock tongue, wherein the multi-coil electromagnetic motion mechanism is fixed in the shell, one end of the lock tongue is positioned in the shell, the other end of the lock tongue extends out of the shell, the lock tongue is positioned at one end in the shell and one end of a non-magnetic conductive material piece, and a spring used for moving the lock tongue towards the shell is arranged between the shell and the lock tongue.
According to the technical scheme, when the first coil and the second coil are electrified, the magnet assembly moves leftwards, so that the locking plate is driven to extend, and locking action is completed.
As a preferable scheme of the utility model, the spring is sleeved on the lock tongue, and two ends of the spring are respectively abutted with the shell and the lock tongue.
By means of the technical scheme, after the power is not applied, the spring is reset, so that the lock tongue and the non-magnetic material piece are driven to retract, and unlocking reset is completed.
In summary, the present utility model includes at least one of the following beneficial technical effects:
when the magnetic field direction of the first magnet is the same as the internal magnetic field direction of the first coil after the power is applied, the internal magnetic field of the second magnet generates repulsive force to the first magnet when the magnetic field direction of the first coil is the same as the internal magnetic field direction of the second coil, the first magnet receives leftward pushing force, the internal magnetic field of the first coil generates attractive force to the second magnet and generates repulsive force to the second magnet when the internal magnetic field of the second coil also generates the second magnet, the second magnet receives leftward force, and then the non-magnetic material piece and the two magnets are driven to move leftwards at the same time, and the two magnets are fixed because the non-magnetic material piece passes through the center of the magnets in the leftward moving process. The two magnets are prevented from being separated because of opposite magnetic poles, and meanwhile, the two magnets are not blocked, so that the distance between the two magnets is smaller, the second magnet can quickly enter the first coil, repulsive force of the first coil when the first magnet does not enter the first coil is reduced, and movement thrust and rapidity of movement of the second magnet are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-coil electromagnetic motion mechanism prior to energizing when the magnetic fields inside two coils in a first configuration are opposite in direction;
FIG. 2 is a schematic diagram of a multi-coil electromagnetic motion mechanism after energizing when the magnetic fields inside two coils in a first configuration are opposite;
FIG. 3 is a schematic diagram of a multi-coil electromagnetic motion mechanism before energizing when the magnetic fields inside two coils in the second configuration are opposite in direction;
FIG. 4 is a schematic diagram of a multi-coil electromagnetic motion mechanism after energizing when the directions of the magnetic fields inside the two coils are opposite in the second structural configuration;
FIG. 5 is a schematic diagram of a multi-coil electromagnetic motion mechanism before energizing when the directions of the magnetic fields inside the two coils of the first electromagnetic lock are opposite;
FIG. 6 is a schematic diagram of a multi-coil electromagnetic motion mechanism after energizing when the directions of the magnetic fields inside the two coils of the first electromagnetic lock are opposite;
fig. 7 is a schematic diagram of the state of the electromagnetic lock (i.e. when the electromagnetic lock is unlocked) before being electrified when the directions of the internal magnetic fields of the two coils of the second electromagnetic lock are opposite;
fig. 8 is a schematic diagram of the state of the electromagnetic lock (i.e. when locking) after the electromagnetic lock is powered on when the directions of the internal magnetic fields of the two coils of the second electromagnetic lock are opposite.
Reference numerals: 1. an electromagnetic assembly; 11. a first coil; 12. a second coil; 13. a wire spool; 2. a permanent magnet assembly; 21. a first magnet; 22. a second magnet; 23. a piece of non-magnetically permeable material; 231. a connecting rod; 232. a limit boss; 3. a housing; 4. a bolt; 5. and (3) a spring.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-8.
The embodiment of the utility model discloses a multi-coil electromagnetic motion mechanism. Referring to fig. 1, the multi-coil electromagnetic motion mechanism includes an electromagnetic assembly 1 and a permanent magnet assembly 2 penetrating inside the electromagnetic assembly. The electromagnetic assembly 1 comprises a plurality of adjacently arranged electromagnetic coils, each electromagnetic coil comprises a wire spool 13 which is arranged in a hollow mode and coils which are wound on the wire spool 13, namely, the positive poles and the negative poles of the coils are controlled, so that the magnetic poles generated by two adjacent electromagnetic coils are always oppositely arranged. At least 2 electromagnetic coils are provided, and the number of the electromagnetic coils is 2 in this embodiment (two electromagnetic coils are respectively designated as a first coil 11 and a second coil 12 for convenience of description).
The permanent magnet assembly 2 includes a plurality of magnets (for convenience of description, two coils are named as a first magnet 21 and a second magnet 22 respectively) corresponding to the electromagnetic coils one by one, and magnetic poles of two adjacent magnets are oppositely arranged and pass through the electromagnetic coils, so that when the electromagnetic coils are electrified, the electromagnetic coils generate magnetism so as to drive the magnets to move in the electromagnetic coils. The center of the magnet is provided with a through hole, a plurality of non-magnetic conductive material pieces 23 used for pressing and fixing a plurality of magnets are arranged in the through holes of the magnet, namely the magnets penetrate through the center of the magnet through the non-magnetic conductive material pieces 23, so that the two magnets are fixed. To prevent the two magnets from being separated due to the opposite poles, and at the same time, the distance between the two magnets is small because there is no barrier between the two magnets and the distance can be compressed.
As shown in the figure, the magnetic field direction of the first magnet 21 is the same as the internal magnetic field direction of the first coil 11 after the energization, and the magnetic field direction of the second magnet 22 is the same as the internal magnetic field direction of the second coil 12. The internal magnetic field of the first coil 11 generates a repulsive force on the first magnet 21, the first magnet 21 receives a leftward pushing force, the internal magnetic field of the first coil 11 generates an attractive force on the second magnet 22 and the internal magnetic field of the second coil 12 also generates a repulsive force on the second magnet 22, the second magnet 22 receives a leftward force, and then the non-magnetic conductive material piece 23 and the two magnets are driven to move leftwards simultaneously, and in the leftward moving process, the second magnet 22 can quickly enter the first coil 11 because of smaller space between the first magnet 21 and the second magnet 22, so that the repulsive force of the first coil 11 is received when the first magnet 21 does not enter the first coil 11 is reduced, and the movement pushing force of the second magnet is improved. At the end of the stroke, when the second magnet 22 moves toward the first coil 11, the attractive force generated by the internal magnetic field of the first coil 11 on the second magnet 22 gradually counteracts a part of the attractive force of the internal magnetic field of the first coil 11 on the first magnet 21 and the repulsive force of the internal magnetic field of the second coil 12 on the second magnet 22, so that the center position of the second magnet 22 is approximately aligned with the center position of the first coil 11 finally, and the stroke of the whole movement mechanism is maximum.
When the magnetic field direction of the first magnet 21 is opposite to the internal magnetic field direction of the first coil 11, the magnetic field direction of the second magnet 22 is opposite to the internal magnetic field direction of the second coil 12, so that the two magnets and the non-magnetic conductive material piece 23 still move to the left, the initial position of the first magnet 21 can be adjusted to be positioned in the second coil 12, at this time, the internal magnetic field of the first coil 11 generates attractive force on the first magnet 21 to pull the first magnet 21 to the left, the internal magnetic field of the second coil 12 generates repulsive force on the first magnet 21 to push the first magnet 21 to the left, the internal magnetic field of the second coil 12 also generates attractive force on the second magnet 22 to pull the second magnet 22 to the left, and the non-magnetic conductive material piece is further driven to move to the left.
The non-magnetic conductive material piece 23 includes the connecting rod 231, and connecting rod 231 both ends all are provided with spacing boss 232, wear to establish in the through-hole of magnet through connecting rod 231 promptly, then carry out spacingly to two magnets through spacing boss 232 to prevent its separation, wherein in order to guarantee the security, spacing boss 232 can accomplish through the riveting. On the other hand, in order to be convenient for install magnet, both ends of the connecting rod 231 are all provided with screw thread parts, and two limit bosses 232 are respectively screwed on the two screw thread parts, namely, the limit bosses 232 are gradually screwed tightly, so that the two magnets are tightly pressed. Meanwhile, the limiting boss 232 can be set into a clamp spring, and the connecting rod 231 is provided with a clamping groove for clamping the clamp spring, so that the limiting boss 232 is clamped in the clamping groove, the limiting boss 232 is fixed, and the limiting boss 232 is fixed to the magnet.
The implementation principle of the multi-coil electromagnetic motion mechanism provided by the embodiment of the utility model is as follows: after the energization, the magnetic field direction of the first magnet 21 is the same as the internal magnetic field direction of the first coil 11, and the magnetic field direction of the second magnet 22 is the same as the internal magnetic field direction of the second coil 12. The internal magnetic field of the first coil 11 generates a repulsive force on the first magnet 21, the first magnet 21 receives a leftward pushing force, the internal magnetic field of the first coil 11 generates an attractive force on the second magnet 22 and the internal magnetic field of the second coil 12 also generates a repulsive force on the second magnet 22, the second magnet 22 receives a leftward force, and then the non-magnetic conductive material piece 23 and the two magnets are driven to move leftwards simultaneously, and in the leftward moving process, the second magnet 22 can quickly enter the first coil 11 because of smaller space between the first magnet 21 and the second magnet 22, so that the repulsive force of the first coil 11 is received when the first magnet 21 does not enter the first coil 11 is reduced, and the movement pushing force of the second magnet is improved.
The utility model also provides an electromagnetic lock, which is changed into the electromagnetic lock and is applied to the multi-coil electromagnetic motion mechanism, and the electromagnetic lock comprises a shell 3 and a lock tongue 4, wherein the multi-coil electromagnetic motion mechanism is fixed in the shell 3, one end of the lock tongue 4 is positioned in the shell 3, the other end of the lock tongue 4 extends out of the shell 3, one end of the lock tongue 4 positioned in the shell 3 and one end of a non-magnetic conductive material piece 23 are arranged, and a spring 5 used for moving the lock tongue 4 into the shell 3 is arranged between the shell 3 and the lock tongue 4. Namely, when the first coil 11 and the second coil 12 are electrified, the magnet assembly moves leftwards, so that the locking plate is driven to extend, and the locking action is completed. The two ends of the spring 5 are respectively abutted with the shell 3 and the lock tongue 4, so that the spring 5 is reset after the power is not applied, the lock tongue 4 and the non-magnetic conductive material piece 23 are driven to retract, and unlocking reset is completed.
As shown in the figure, when the magnetic field direction of the first magnet 21 is opposite to the internal magnetic field direction of the first coil 11, and the magnetic field direction of the second magnet 22 is opposite to the internal magnetic field direction of the second coil 12, in order to make the lock tongue 4 pop out and lock when being electrified, the coil assembly can be arranged on one side close to the lock tongue, so that the initial state of the first magnet 21 is located in the second coil 12 under the action of the spring 5, and then the magnet assembly moves left after being electrified, and the locking action is completed.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. A multi-coil electromagnetic motion mechanism, characterized in that: comprises an electromagnetic component (1) and a permanent magnet component (2) penetrating through the electromagnetic component;
the electromagnetic assembly (1) comprises a plurality of electromagnetic coils which are adjacently arranged, and magnetic poles generated by two adjacent electromagnetic coils are oppositely arranged;
the permanent magnet assembly (2) comprises a plurality of magnets which are arranged in one-to-one correspondence with the electromagnetic coils, the magnetic poles of two adjacent magnets are oppositely arranged, a through hole is arranged in the center of each magnet, and a plurality of non-magnetic conductive material pieces (23) used for compressing and fixing the plurality of magnets are arranged in the through holes of the magnets.
2. A multi-coil electromagnetic motion mechanism as claimed in claim 1, wherein: the non-magnetic conductive material piece (23) comprises a connecting rod (231), and limiting bosses (232) are arranged at two ends of the connecting rod (231).
3. A multi-coil electromagnetic motion mechanism as claimed in claim 2, wherein: the two ends of the connecting rod (231) are respectively provided with a threaded part, and the two limiting bosses are respectively in threaded connection with the two threaded parts.
4. A multi-coil electromagnetic motion mechanism as claimed in claim 1, wherein: the electromagnetic coil and the magnet are two.
5. An electromagnetic lock comprising a multi-coil electromagnetic motion mechanism as recited in claim 1.
6. The electromagnetic lock according to claim 5, further comprising a housing (3) and a lock tongue (4), wherein the multi-coil electromagnetic motion mechanism is fixed in the housing (3), one end of the lock tongue (4) is located in the housing (3), the other end of the lock tongue extends out of the housing (3), the lock tongue (4) is located at one end in the housing (3) and one end of a non-magnetic conductive material piece (23), and a spring (5) for moving the lock tongue (4) into the housing (3) is arranged between the housing (3) and the lock tongue (4).
7. The electromagnetic lock according to claim 6, wherein the spring (5) is sleeved on the lock tongue (4), and two ends of the spring (5) are respectively abutted with the shell (3) and the lock tongue (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121341.5U CN220085763U (en) | 2023-05-11 | 2023-05-11 | Multi-coil electromagnetic motion mechanism and electromagnetic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121341.5U CN220085763U (en) | 2023-05-11 | 2023-05-11 | Multi-coil electromagnetic motion mechanism and electromagnetic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220085763U true CN220085763U (en) | 2023-11-24 |
Family
ID=88832267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321121341.5U Active CN220085763U (en) | 2023-05-11 | 2023-05-11 | Multi-coil electromagnetic motion mechanism and electromagnetic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220085763U (en) |
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2023
- 2023-05-11 CN CN202321121341.5U patent/CN220085763U/en active Active
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