Arc-shaped motor with iron core
Through the design of arc-shaped iron-core motors, the arc-shaped yoke plate and magnetic steel are used to generate static magnetic fields, and the coil and arc-shaped iron cores produce alternating magnetic fields, which are coupled to each other to generate rotational torque, which solves the problems of low efficiency and low accuracy of existing iron-core motors within a specific angle range, and achieves efficient, reliable and precise operation of the equipment.
Patent Information
- Application Number
- CN202421761894.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-24
AI Technical Summary
When existing iron core motors swing around the axis line within a specific angle range, they are low efficiency, low accuracy, complex structure, high cost of use, slow speed, and cannot be too large, which is prone to problems such as blockage.
Arc-shaped iron core motors are used to generate static magnetic fields through arc-shaped yoke plates and magnetic steel, and alternating magnetic fields are generated by coils and arc-shaped iron cores, which are coupled to each other to generate rotational torque. Encoder positioning is also used to ensure that the equipment structure is simple, cost-effective, reliable work, high efficiency and high control accuracy.
It has achieved simplification of the structure and reduced cost of the equipment, improved working reliability, improved efficiency and control accuracy, and can achieve stepless speed regulation, reduce maintenance costs and extend the service life of the equipment.
Smart Images
Figure CN222852154U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of iron core motors, and in particular relates to an arc-shaped iron core motor. Background Art
[0002] The core linear motor uses an alternating power supply to create an alternating magnetic flux on the core and generate an induced electromotive force in the coil to drive linear motion. Among them, the core is the main component of the linear motor, and its shape and magnetic circuit design have a great influence on the performance and characteristics of the linear motor. The advantages are high power density, high efficiency, and high precision. It is suitable for applications that require high speed, high torque and high precision, such as machine tool processing, semiconductor production equipment, etc.
[0003] The existing iron core motor needs to swing back and forth around the axis within a certain angle range and does not need to rotate 360°. The traditional mechanical method is low in efficiency and precision, and the implementation structure is complex, the cost of use is high, the speed is slow, the efficiency is low, the load cannot be too large, and it is easy to get stuck. Utility Model Content
[0004] In order to solve the problems raised in the above background technology, the utility model provides an arc-shaped iron core motor, which has the characteristics of reliable operation and high control accuracy.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an arc-shaped iron core motor, comprising an arc-shaped yoke plate, a plurality of magnets are evenly spaced on the upper end surface of the arc-shaped yoke plate, an arc-shaped iron core is arranged at the upper end of the magnet, and a plurality of coils are arranged at the bottom end of the arc-shaped iron core corresponding to the magnet.
[0006] Preferably, a winding column is provided inside the arc-shaped iron core corresponding to the coil, and the magnetic steel is fitted on the surface of the arc-shaped magnetic yoke plate.
[0007] Compared with the prior art, the beneficial effects of the utility model are:
[0008] The utility model generates a static magnetic field through a magnetic steel and an arc-shaped magnetic yoke plate, and an alternating magnetic field through a coil and an arc-shaped iron core, which couple with each other to generate a rotational torque. At the same time, the motor as a whole adopts an encoder for positioning, which ensures that the equipment has a simple structure and low cost, and works reliably, has high efficiency, high control accuracy, and can achieve stepless speed regulation, thereby ensuring the use effect of the equipment. At the same time, the coil and the magnetic steel are installed simply and conveniently, which saves human resources, improves production efficiency, reduces equipment maintenance costs, and improves work stability. The motor is sealed with epoxy resin to reduce the probability of damage and increase the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a structural schematic diagram of the utility model.
[0010] In the figure: 1. Coil; 2. Arc-shaped iron core; 3. Magnetic steel; 4. Arc-shaped yoke plate. DETAILED DESCRIPTION
[0011] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0012] See also Figure 1 The utility model provides the following technical solutions: an arc-shaped iron core motor, comprising an arc-shaped yoke plate 4, a plurality of magnets 3 are evenly spaced on the upper end surface of the arc-shaped yoke plate 4, an arc-shaped iron core 2 is arranged on the upper end of the magnet 3, and a plurality of coils 1 are arranged on the bottom end of the arc-shaped iron core 2 corresponding to the magnet 3.
[0013] Specifically, a winding column is provided inside the arc-shaped iron core 2 corresponding to the coil 1 , and the magnetic steel 3 is fitted on the surface of the arc-shaped magnetic yoke plate 4 .
[0014] By adopting the above technical solution, the equipment can be ensured to have a simple structure, be easy to install, save human resources, and reduce the cost of equipment use.
[0015] Working principle and use process of the utility model: When the utility model is used, the magnetic steel 3 is attached to the upper surface of the arc-shaped magnetic yoke plate 4, the coil 1 is wound and then sleeved in the arc-shaped iron core 2, the arc-shaped iron core 2 and the coil 1 are integrally connected, and the winding connection is completed between the coil 1, and then the iron core motor body is potted with epoxy resin for sealing, and the motor is driven by a precision driver;
[0016] When an iron core motor is used, it moves by electromagnetic induction: the magnetic field generated by the current passing through the electromagnetic coil interacts with the permanent magnet to generate rotational force;
[0017] Magnetic force driven movement: by adjusting the direction and magnitude of the current in the electromagnetic coil, controlling the magnetic force between the electromagnetic coil and the magnet, rotation and precise positioning are achieved. The magnet 3 and the arc-shaped yoke plate 4 generate a static magnetic field, and the coil 1 and the arc-shaped iron core 2 generate an alternating magnetic field, which couple with each other to generate a rotational torque.
[0018] Vector control: uses precise magnetic field positioning and control algorithms to enable the motor to move precisely in multiple dimensions, such as speed, position and acceleration control;
[0019] PID control: Apply proportional, integral, and differential control algorithms to regulate the movement of the motor to achieve stable movement and precise position control;
[0020] The motor feedback uses a grating encoder for precise positioning.
[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An arc-shaped iron core motor, comprising an arc-shaped magnetic yoke plate (4), characterized in that: A plurality of magnetic steels (3) are evenly spaced on the upper end surface of the arc-shaped magnetic yoke plate (4), an arc-shaped iron core (2) is arranged at the upper end of the magnetic steel (3), and a plurality of coils (1) are arranged at the bottom end of the arc-shaped iron core (2) corresponding to the magnetic steel (3).
2. The arc-shaped iron core motor according to claim 1, characterized in that: The arc-shaped iron core (2) is provided with a winding column corresponding to the coil (1), and the magnetic steel (3) is fitted on the surface of the arc-shaped magnetic yoke plate (4).