Rotating body equipped with electromagnets

Abstract

When raising and lowering a soot sweeper inside a steel chimney, if a magnet (permanent magnet) is placed around the rotating body required for raising and lowering it, once it is attracted to the inner surface of the chimney, an electric motor with strong torque is required to release the attraction and rotate the rotating body, and the configuration and cost of the entire device must be taken into consideration. [Solution] Instead of magnets (permanent magnets) around the rotor, electromagnets are installed, and the magnetic attraction force is generated only when electricity is applied. The electromagnet can move forward and backward depending on whether electricity is applied or not and the position of the commutator, making it possible to eliminate the need for an electric motor to rotate the rotor.

Description

[Technical field]

[0001] The present invention relates to a rotary movable body that utilizes the property of an electromagnet, that is, the phenomenon in which an attractive force is generated only when electricity is applied and no attractive force is generated when electricity is not applied. [Background technology]

[0002] If the electromagnets around the rotor in Figure 2 are magnets (permanent magnets), Once it adheres to the steel plate (a ferromagnetic material), a strong torque is required to remove the adhesion, and in order for the rotating electric motor to remove the adhesion and repeat the rotation, a large, heavy electric motor with a large torque is required.

[0003] Patent Document 1 states that if the chimney is made of steel, a magnet (permanent magnet) is fixed to the outside of the rotor. However, in the case of a magnet (permanent magnet), once it is attracted to the rotor, a heavy electric motor with strong torque is required to release the attraction and rotate the rotor. Also, the components must be considered, resulting in enormous manufacturing costs. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 7547661 Summary of the Invention [Problem to be solved by the invention]

[0005] Conventionally, the rotation of a rotating body has been achieved by using the torque of an electric motor, but once the magnetic (permanent) magnet is attracted to the inside of a steel chimney, a heavy electric motor with a strong torque is required to release the magnetic attraction and rotate the chimney, resulting in huge structural costs. [Means for solving the problem]

[0006] In order to solve the above problems, the inventors have devised the following. Idea 1 A power generating structure that rotates and moves on a material that exhibits ferromagnetic properties, the power generating structure comprises a plurality of electromagnets and at least one commutator; The electromagnet is provided around the power generating structure, A lead wire, which is one side of the coil of the electromagnet, is connected to a lead portion, the commutator is positioned to come into contact with at least one of the lead portions when the power generating structure rotates; A rotating and mobile body equipped with an electromagnet, which enables the power generating structure to rotate and move on the ferromagnetic material due to the attraction of the electromagnet by the current supplied from the commutator when the lead portion comes into contact with the commutator as the power generating structure rotates.

[0007] Idea 2 A rotating mobile body as described in Invention 1, characterized in that the commutator has a fixed horizontal and water-direction position when the power generating structure rotates. Idea 3 A rotating moving body as described in Device 1 or Device 2, characterized in that it is equipped with two commutators.

[0008] For the sake of clarity, the following statements are clarified: The "material exhibiting ferromagnetism" is a material exhibiting strong magnetism at room temperature, and is a metal made of iron, nickel, and cobalt. It may also be an alloy with other metals. An "electromagnet" consists of a coil wound around a ferromagnetic material. In the narrow sense, a commutator is something that changes the direction of the current in the rotor of an electromagnet every half rotation. However, this "commutator" is an "electrical conductor" that has the function of only supplying current to the coil of an electromagnet. Although it was mentioned above that it "supplies" current, it can also be used in the opposite direction (receiving current). Effect of the Invention

[0009] A notable effect of the present invention is that, while normally an electric motor is required to rotate a rotating body, the electromagnet has a special performance that generates an attractive force when electricity is applied, which creates a rotational movement function and gives the commutator a movement function, or by providing two commutators and using a current switch to switch the current to the commutators, it is possible to change the direction of rotation to either forward or backward, creating a rotating and mobile body equipped with an electromagnet. [Brief description of the drawings]

[0010] [Figure 1] Electromagnet configuration and shape diagram [Diagram 2] Rotor configuration side view (front) (position of commutator) [Diagram 3] Rotor configuration side view (rear) (position of commutator) [Figure 4] Rotor configuration and side drawing using two commutators (front and rear possible) [Diagram 5] Forward and backward direction indication of rotating body [Figure 6] Rotating body protective cover diagram [Figure 7] Rotor and one commutator (front or rear) operation circuit diagram [Figure 8] Circuit diagram showing how the rotor and two commutators can be used to switch current to move forward and backward DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] The present invention will be described with reference to the drawings, but the present invention is not limited thereto.

[0012] FIG. 1 shows the structure of an electromagnet (1), with a coil (2) wound around it to generate an attractive force (magnetic flux) as the electromagnet (1) when electricity is applied, and also shows lead portions (8) for passing electricity through both ends (lead wires) (3) of the coil (2).

[0013] In Figure 2, multiple electromagnets (1) are arranged on the outer circumference of a rotor (4), and a commutator (5) for passing electricity is located inside the rotor, and the position of the commutator determines the direction of rotation (forward direction).

[0014] In Fig. 3, like Fig. 2, multiple electromagnets (1) are arranged on the outer circumference of the rotor (4), and a commutator (5) for passing current is located inside the rotor, and the position of the commutator determines the direction of rotation (rearward direction).

[0015] FIG. 4 shows multiple electromagnets (1) arranged on the outer periphery of a rotating body (4), and two commutators (5) for passing electricity inside the rotating body, the positions of which determine the direction of rotation.

[0016] FIG. 5 shows the directions of rotation, forward and backward.

[0017] FIG. 6 is a side view of a protective cover (7) for protecting the rotor (4), commutator (5), and lead portion (8) from dust. By the way, the protective cover (7) has a commutator on the outside of the rotor, so the position of the commutator (5) can be fixed. It is fixed with a weight. This is because the commutator can be structured so that it rotates if it is inside the rotor, but does not rotate if it is outside the rotor. Incidentally, a fixed position means that the position remains the same in both the horizontal and vertical directions of the rotating body even when the rotating body rotates.

[0018] FIG. 7 shows an operating circuit diagram for a single commutator (5) in which current is applied to the electromagnet (1) via the lead (8).

[0019] Figure 8 shows an operating circuit diagram in which the direction of current flow in the case of two commutators (5) can be changed by a switch (9) to change the direction of rotation of the rotor to "forward or backward." By the way, there is a forward / backward switch in Figure 8. This forward / backward switch is For example, when the rotating movable body is used as a vacuum cleaner in a chimney, when the rotating movable body reaches the top of the chimney, it can also be used as a direction switcher for switching from ascending to descending by a so-called top end sensor. [Industrial Applicability]

[0020] In the difficult task of removing soot from tall, thick steel chimneys at thermal power plants and large factories, if there were an automatic chimney soot removal cleaner that could rise and lower itself and remove the soot automatically, it would eliminate the need to set up a winch to clean the chimney's smoke exhaust port, and would allow workers to avoid dangerous work. Also, at collection points such as delivery centers, if the wheels of automatic collection and delivery vehicles are rotating bodies equipped with electromagnets, operation instructions (forward / reverse, start / stop) can be easily given by turning the current on and off and using a current switch. [Explanation of symbols]

[0021] 1. Electromagnet 2 Coil 3 Lead Wire 4 Rotating Body 5 Commutator 6. Iron plate material (material that exhibits ferromagnetic properties) 7 Protective cover 8 Lead section 9 Forward / backward switch 10 Start switch

Claims

1. A power generating structure that rotates and moves on a ferromagnetic material and does not have a drive motor, the power generating structure comprises a plurality of electromagnets and at least one commutator; The electromagnet is provided around the power generating structure, A lead wire, which is one side of the coil of the electromagnet, is connected to a lead portion, the commutator is positioned to come into contact with at least one of the lead portions when the power generating structure rotates; A rotating and mobile body equipped with an electromagnet, which enables the power generating structure to rotate and move on the ferromagnetic material due to the attraction of the electromagnet by the current supplied from the commutator when the lead portion comes into contact with the commutator as the power generating structure rotates.

2. 2. The rotary movable body according to claim 1, wherein the commutator is fixed in position in the horizontal direction and in the waterline direction when the power generating structure rotates.

3. 3. The rotary moving body according to claim 1, further comprising two commutators.

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