KR101138213B1 - Rotary type inverter - Google Patents

Abstract

PURPOSE: A rotating current translation device is provided to enable alternative current power generation of high efficiency by the reciprocally-reverse rotation of a field magnet and an armature. CONSTITUTION: A field magnet(20) of an alternating current generator is rotated around a hollow field magnet shaft(21). The front end of an armature(10) of the alternating current generator is rotated around an armature shaft(11) exposed through the field magnet shaft. A field magnet gear(22) and an armature gear are coupled with the field magnet shaft and the armature shaft. A main driving gear(31) is coupled with the rotary shaft of a direct current motor(30). The main driving gear and the field magnet gear engage with each other for the rotation of the field magnet according to the rotation of the direct current motor. A transfer gear(32) is installed between the main driving gear and the armature gear for the free rotation thereof. The transfer gear engages with the main driving gear and the armature gear.

Description

Rotary Current Inverter {ROTARY TYPE INVERTER}

The present invention relates to a current converter for converting a direct current into an alternating current, which connects a direct current motor (30) with an alternator, and forms a rotating shaft of the alternator field (20) as a hollow shaft and armature (10). The rotating shaft of the field 20 is configured to penetrate the rotating shaft, and by connecting the rotating shaft of the field 20 and the armature 10 with the DC motor 30 through the gear, the field motor 20 as the DC motor 30 rotates ) And the armature 10 are to be rotated in opposite directions to each other.

In addition to home appliances, most electric and electronic devices such as various electric heating and lighting devices, and industrial electric appliances are generally operated with an AC input power source.

This is due to the AC-based power generation, transmission, and distribution system, and even in the case of an electronic device composed of a DC circuit, AC is used as an input power supply on the premise of rectification.

As such, most electric and electronic devices operate with AC as input power, and when only DC power is supplied, it is necessary to convert DC into AC.

That is, a means for converting a direct current into an alternating current is required when operating an electric or electronic device with a direct current supplied from a battery of a vehicle or when receiving electric power from a direct current-based power generation facility such as solar power generation.

In particular, in recent years, the population of outdoor leisure activities such as auto camping is increasing, and in the situation where interest and demand for eco-friendly energy such as solar power generation are increasing, a DC-AC converter having efficiency and durability is urgently needed. Is required.

The present invention has been made in view of the above-mentioned needs, and in the current converter for converting direct current into alternating current by connecting a DC motor 30 and an alternator, the field generator 20 of the alternator has a hollow field shaft 21 Is rotated about the axis, and the armature 10 of the alternator is rotated around the armature shaft 11 whose tip is exposed through the field shaft 21, the field shaft 21 and the armature shaft 11 The magnetic field gear 22 and the electric magnetic gear 12 are respectively coupled to each other, and the main shaft 31 is coupled to the rotating shaft of the DC motor 30, and the main gear 31 and the field gear 22 are engaged with each other. As the 30 rotates, the field 20 rotates, and the converter gear 32 is freely rotatable between the main gear 31 and the electric magnetic gear 12, and the converter gear 32 includes the main gear ( 31) and the armature gear 12, the armature 10 rotates the field 20 as the DC motor 30 is rotated Rotated in the opposite direction, the output terminal 15 is provided at the rear of the armature 10, the brush 16 is in close contact with the output terminal 15 is configured, the alternating current generated in the armature 10 It is a rotary current converter characterized in that it is output through the brush (16).

Through the present invention, by rotating the field (20) and the armature (10) of the alternator at the same time in the opposite direction, it is possible to generate a high-efficiency alternating current through the low-speed DC motor (30).

In addition, through the armature shaft 11 penetrating the hollow field shaft 21 and the field shaft 21, the reverse rotation of the field 20 and armature 10 simultaneously with a single DC motor 30 and a minimum gear combination In this case, the effect of simplifying the configuration of the current converter and securing durability can be obtained.

1 is a perspective view of the present invention
Figure 2 is an exploded perspective view of a partial cut of the present invention
Figure 3 is a perspective view of the gear coupling state of the present invention
Figure 4 is an explanatory view of the field rotation method of the present invention
5 is an explanatory view of the armature rotation method of the present invention
Figure 6 is a partially cut back perspective view of the present invention
Figure 7 is a perspective view of the armature extract back of the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A detailed configuration and operating principle of the present invention will be described with reference to the accompanying drawings.

First, Figure 1 is a perspective view showing the appearance of the present invention, as shown, the present invention is composed of a DC motor 30 and an alternating current generator is connected to the DC motor 30 and rotates.

In the illustrated embodiment as a structure in which the DC motor 30 and the alternator are fixed and a gear and a rotating shaft are installed, the plate body of the front plate 41, the middle plate 42, and the back plate 43 is configured.

2 is a partially cutaway exploded perspective view showing the internal structure of the present invention, as can be seen through the drawings, the alternator of the present invention is a cylindrical field 20 with a plurality of permanent magnets attached to the inner peripheral surface, The coil winding of the armature is composed of an armature 10 is coupled to the field 20, the armature shaft 11 and the axis of rotation of the armature 10 and the field 20 and the field shaft 21 is a direct current through the gear Connected to the motor 30, while rotating as the DC power is applied to the DC motor 30, an alternating current is generated in the armature 10.

In addition, the field axis 21, which is the rotation axis of the field 20, is formed as a hollow shaft. As shown in FIG. 2, the tip of the armature shaft 11, which is the rotation axis of the armature 10, is a hollow shaft. The armature shaft 11 and the magnetic field shaft 21 are exposed to penetrate through the magnetic field shaft 21, and are coupled to and supported by the front plate 41 and the middle plate 42, respectively.

At this time, the hollow field shaft 21 is formed to have an inner diameter larger than the outer diameter of the armature shaft 11, although the reference numeral is not given, the front plate 41 and the armature shaft 11 and the middle plate 42 and the system A bearing is formed at the connection portion of the magnetic shaft 21 to enable smooth rotation of the armature 10 and the field 20.

The armature 10 and the field 20 of the present invention are driven by a single DC motor 30, which is a hollow structure of the field shaft 21 as shown in FIG. 2 and gear teeth as shown in FIG. Achieved through the structure.

That is, as shown in FIGS. 3 and 4, the field gear 22 is coupled to the field shaft 21, and the main gear 31 connected to the DC motor 30 is meshed with the field gear 22. As the DC motor 30 rotates, the field 20 is rotated, and as shown in FIGS. 3 and 5, an electric magnetic gear is disposed at the tip of the armature 11 exposed through the hollow field shaft 21. (12) is coupled and the converter gear 32 is installed between the electric magnetic gear 12 and the main gear 31, the armature 10 also rotates as the DC motor 30 rotates, but the field 20 Will rotate in the reverse direction.

As shown in FIG. 3, the transducer gear 32 between the electric magnetic gear 12 and the main gear 31 is rotatably coupled to the transducer gear shaft 33 fixed to the middle plate 42, and the electric magnetic gear. (12) and the main gear 31, the main motor 31, the converter gear 32 and the electric magnetic gear 12 is rotated in sequence as the DC motor 30 rotates, the main gear 31 Due to the converter gear 32 engaged between the) and the electric magnetic gear 12, the field gear 22 and the electric magnetic gear 12 are directly connected to the main gear 31, the electric magnetic gear 12 is rotated in the opposite direction.

In the illustrated embodiment, the diameter of the field gear 22 fitting portion and the converter gear 32 fitting portion of the main gear 31 is different, but by adjusting the diameter of the converter gear 32 and the electric magnetic gear 12 The diameter of each part of the main gear 31 may be configured to be the same.

In the case of a general alternator, the field magnet 20 with permanent magnets is configured as a rotor, and the armature 10 having the coil winding part is configured as a stator. However, wires can be directly connected to the armature 10 as a stator. In the present invention, since both the field 20 and the armature 10 are composed of a rotor, a means for drawing power from the rotating armature 10 is required.

6 and 7, an annular output terminal 15 is provided at the rear portion of the armature 10, and the brush 16 closely attached to the output terminal 15 is disposed on the back plate 43. In this configuration, the alternating current generated in the armature 10 can be output through the brush 16.

The illustrated embodiment has a structure in which the output terminal 15 is concentrically formed on the rear surface of the armature 10 and the brush 16 is in close contact with the axial direction of the armature shaft 11. Various modifications are possible, such as being formed on the outer circumferential surface of the armature shaft 11 and configured such that the brush 16 is in close contact with the armature shaft 11 in a direction perpendicular to the armature shaft 11.

10: armature
11: electric magnetic shaft
12: electric magnetic gear
15: Output terminal
16: brush
20: field
21: field axis
22: field gear
30: DC motor
31: main gear
32: converter gear
33: Converter gear shaft
41: the previous edition
42: medium
43: backboard

Claims (1)

In the current converter for connecting a DC motor 30 and an alternator to convert the DC to AC,
The field generator 20 of the alternator is rotated about the hollow field shaft 21, and the armature 10 of the alternator has an armature 11 whose tip is exposed through the field shaft 21. Rotated;
The field gear 22 and the armature gear 12 are coupled to the field shaft 21 and the armature shaft 11, respectively;
The main gear 31 is coupled to the rotation shaft of the DC motor 30, and the field gear 20 rotates as the main gear 31 and the field gear 22 are engaged to rotate the DC motor 30;
The converter gear 32 is rotatably installed between the main gear 31 and the electric magnetic gear 12, the converter gear 32 is meshed with the main gear 31 and the electric magnetic gear 12, the DC motor ( As the 30 is rotated, the armature 10 is rotated in the opposite direction to the rotational direction of the field 20;
An output terminal 15 is provided at the rear portion of the armature 10, and a brush 16 that is in close contact with the output terminal 15 is configured so that an alternating current generated by the armature 10 is output through the brush 16. Rotary current inverter, characterized in that.

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