Single-phase alternating-current generator

Abstract

The utility model is suitable for the technical field of generators, and provides a single-phase alternating-current generator, which comprises a plastic base, a stator coil, a rotor magnet, a fixing frame, an output terminal, a red-green LED lamp and a rotating hand wheel, the stator coil is connected with a stator coil fixing seat in the middle of the plastic base, a rotor shaft is rotatably mounted at the top end of the stator coil, a rotor magnet framework is mounted at the bottom end of the rotor shaft, and rotor magnets are arranged on the two sides of the rotor magnet framework respectively. A driving belt wheel and a driven belt wheel coupling are arranged on the fixing frame, the driving belt wheel is connected with the rotating hand wheel, and the driven belt wheel coupling is connected with the rotor shaft; the output terminal is installed on one side of the edge of the upper surface of the plastic base, and the red-green LED lamp is installed on the other side of the edge of the upper surface of the plastic base. The generator adopts the large coil stator, can improve the demonstration effect, also adopts the large stand column, is more stable in overall structure, adopts the edge bearing at the rotating part, is smaller in friction force, and is smoother in rotation.

Description

Technical Field

[0001] The utility model belongs to the technical field of generators, and in particular relates to a single-phase AC generator. Background Art

[0002] The brushless permanent magnet single-phase AC generator consists of two parts: a stator and a rotor. The stator part consists of a stator core and a stator winding, and the rotor part consists of a rotating shaft and a cylindrical permanent magnet. The permanent magnet is radially magnetized.

[0003] The single-phase AC generator currently used includes a stator and a rotor. The stator consists of a casing and a stator winding. The stator winding consists of two sets of hollow coils radially interlocked from both sides of the rotor, connected in series or in parallel. The two sets of hollow coils have the same number of turns. The stator winding forms a cylindrical cavity around the rotor. The axis of the stator winding intersects and is perpendicular to the axis of the motor. There is a gap between the stator winding and the rotor. The rotor mainly consists of a cylindrical permanent magnet and a rotating shaft. The permanent magnet is radially magnetized. However, there are problems with the demonstration effect being general and the structure being prone to loosening. In addition, the friction is large during rotation, and the rotation is not smooth. Utility Model Content

[0004] The purpose of the embodiments of the present invention is to provide a single-phase AC generator, aiming to solve the problems existing in the above-mentioned background technology.

[0005] The embodiment of the utility model is implemented as follows: a single-phase AC generator includes a plastic base, a stator coil, a rotor magnet, a fixing frame, an output terminal, red and green LED lights, and a rotating hand wheel;

[0006] The fixing frame is mounted on the upper surface of the plastic base, and a rotating hand wheel is also mounted on the fixing frame;

[0007] The stator coil is arranged on the inner side of the fixing frame, and the stator coil is connected to the stator coil fixing seat in the middle of the plastic base;

[0008] The top of the stator coil is rotatably mounted with a rotor shaft, the bottom of the rotor shaft is mounted with a rotor magnet frame, and rotor magnets are arranged on both sides of the rotor magnet frame, and the rotor magnets include an N pole and an S pole;

[0009] The fixing frame is provided with a driving pulley and a driven pulley coupling, the driving pulley and the driven pulley coupling are connected via a rubber belt transmission, the driving pulley is connected to a rotating handwheel arranged at its top, and the driven pulley coupling is connected to the rotor shaft;

[0010] The output terminal is installed on one side of the upper surface edge of the plastic base, and the red and green LED lights are installed on the other side of the upper surface edge of the plastic base.

[0011] Preferably, the fixing frame comprises a crossbeam cover, a crossbeam, a left support and a right support;

[0012] The left support and the right support are symmetrically mounted on a plastic base, and a crossbeam is mounted on the top of the left support and the right support;

[0013] A crossbeam upper cover is also installed on the crossbeam, and the crossbeam upper cover is fixedly connected to the left support and the right support on both sides by bolts.

[0014] Preferably, the red and green LED lights include an AC negative half-cycle indicator light and an AC positive half-cycle indicator light;

[0015] The AC negative half-cycle indicator light and the AC positive half-cycle indicator light are both electrically connected to the stator coil. When the induced electromotive force generated by the stator coil is positive, the AC positive half-cycle indicator light turns red, and when the induced electromotive force generated by the stator coil is negative, the AC negative half-cycle indicator light turns green.

[0016] Preferably, the output terminals include a low-voltage AC output socket 1 and a low-voltage AC output socket 2;

[0017] The low-voltage AC output socket 1 and the low-voltage AC output socket 2 are both installed on a plastic base. The low-voltage AC output socket 1 and the low-voltage AC output socket 2 are also connected to an external AC voltmeter to facilitate observation of the AC voltage.

[0018] Preferably, a plastic base cover is installed at the bottom of the plastic base, and a decorative cover is installed at the middle of the top end of the beam upper cover.

[0019] The single-phase AC generator provided by the embodiment of the utility model has the following technical effects:

[0020] (1) Using a large coil stator can improve the demonstration effect;

[0021] (2) The use of large columns makes the overall structure more stable;

[0022] (3) The rotating parts use edge bearings, which reduce friction and make the rotation smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of a single-phase AC generator provided in an embodiment of the present utility model;

[0024] In the accompanying drawings: 1- crossbeam cover; 2- crossbeam; 3- left pillar; 4- right pillar; 5- plastic base; 6- plastic base cover; 7- decorative cover; 8- rotating handwheel; 9- driven pulley coupling; 10- driving pulley; 11- rubber belt; 12- stator coil; 13- rotor shaft; 14- rotor magnet skeleton; 15- rotor magnet; 16- AC negative half-cycle indicator light; 17- AC positive half-cycle indicator light; 18- stator coil fixing seat; 19- low-voltage AC output seat 1; 20- low-voltage AC output seat 2. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0027] like Figure 1 The figure shows a structural diagram of a single-phase AC generator provided by an embodiment of the present invention, which includes a plastic base 5, a stator coil 12, a rotor magnet 15, a fixing frame, an output terminal, a red and green LED light, and a rotating handwheel 8; the fixing frame is mounted on the upper surface of the plastic base 5, and the rotating handwheel 8 is also mounted on the fixing frame; the stator coil 12 is arranged on the inner side of the fixing frame, and the stator coil 12 is connected to the stator coil fixing seat 18 in the middle of the plastic base 5; the top end of the stator coil 12 is rotatably mounted with a rotor shaft 13, and the bottom end of the rotor shaft 13 is mounted It is equipped with a rotor magnet skeleton 14, and rotor magnets 15 are arranged on both sides of the rotor magnet skeleton 14, and the rotor magnets include an N pole and an S pole; a driving pulley 10 and a driven pulley coupling 9 are arranged on the fixed frame, and the driving pulley 10 and the driven pulley coupling 9 are connected through a rubber belt 11, and the driving pulley 10 is connected to the rotating handwheel 8 arranged at its top, and the driven pulley coupling 9 is connected to the rotor shaft 13; the output terminal is installed on one side of the upper surface edge of the plastic base 5, and the red and green LED lights are installed on the other side of the upper surface edge of the plastic base 5.

[0028] The present application provides a single-phase AC generator that uses a large coil stator to improve the demonstration effect and a large column, making the overall structure more stable. At the same time, the rotating part uses a side bearing, which reduces friction and makes the rotation smoother.

[0029] In one example of the present invention, a plastic base cover plate 6 is installed at the bottom of the plastic base 5 and is fixed by plugging; in addition, a decorative cover 7 is installed at the middle of the top of the beam cover 1, which facilitates the installation of the driven pulley coupling 9 while preventing dust and the like from entering the beam cover 1.

[0030] like Figure 1 As shown, as a preferred embodiment of the present invention, the fixing frame includes a crossbeam cover 1, a crossbeam 2, a left support 3 and a right support 4;

[0031] The left support 3 and the right support 4 are symmetrically mounted on the plastic base 5, and a crossbeam 2 is mounted on the top of the left support 3 and the right support 4;

[0032] A crossbeam upper cover 1 is also installed on the crossbeam 2, and the crossbeam upper cover 1 is fixedly connected to the left support 3 and the right support 4 on both sides by bolts.

[0033] In one example of the present invention, the left pillar 3 and the right pillar 4 are pre-installed on the plastic base 5 during installation, the crossbeam 2 is arranged at the top of the left pillar 3 and the right pillar 4, and connected by countersunk bolts, and the crossbeam cover 1 is installed on the left pillar 3 and the right pillar 4 and fixed by four bolts.

[0034] like Figure 1 As shown, as another preferred embodiment of the present invention, the red and green LED lights include an AC negative half-cycle indicator light 16 and an AC positive half-cycle indicator light 17;

[0035] The AC negative half-cycle indicator light 16 and the AC positive half-cycle indicator light 17 are both electrically connected to the stator coil 12 .

[0036] In one embodiment of the present invention, when the induced electromotive force generated by the stator coil 12 is positive, the AC positive half-cycle indicator light 17 lights up red, and when the induced electromotive force generated by the stator coil 12 is negative, the AC negative half-cycle indicator light 16 lights up green.

[0037] like Figure 1 As shown in FIG. 1 , as another preferred embodiment of the present invention, the output terminal includes a low-voltage AC output socket 19 and a low-voltage AC output socket 20 ;

[0038] The low-voltage AC output socket 1 19 and the low-voltage AC output socket 2 20 are both installed on the plastic base 5 .

[0039] In one embodiment of the present invention, the low-voltage AC output socket 19 and the low-voltage AC output socket 2 20 are also connected to an external AC voltmeter to facilitate observation of the AC voltage.

[0040] In summary, the stator coil 12 that generates the induced electromotive force in this generator is stationary; it is the magnetic field that moves. A rotatable magnet generates the magnetic field, with N and S poles at its ends. This magnet is the rotor of the generator. The stator coil 12 is arranged around the rotor magnet 15 and is in the same plane as the rotor axis. The rotor magnet 15 rotates in the stator coil 12, causing the stator coil 12 to generate an induced electromotive force by cutting the magnetic lines of force.

[0041] The stator coil 12 is a rectangular multi-turn coil wrapped on an insulating plastic frame. Red and green LED lights are arranged on the plastic base 5. Due to the unidirectional conductivity of the diode, when the induced electromotive force generated by the stator coil 12 is positive, the AC positive half-cycle indicator light 17 lights up red, and when the induced electromotive force generated by the stator coil 12 is negative, the AC negative half-cycle indicator light 16 lights up green.

[0042] During use, the handwheel 8 is rotated by hand, and the rotating handwheel 8 drives the active pulley 10 to rotate. The active pulley 10 drives the driven pulley coupling 9, the rotor shaft 13, the rotor magnet frame 14 and the rotor magnet 15 to rotate through the rubber belt 11, generating an alternating magnetic field. The stator coil 12 cuts the magnetic lines of force and emits an alternating current. The low-voltage AC output socket 19 and the low-voltage AC output socket 2 20 are connected to an external AC voltmeter, and the size of the emitted AC voltage can be seen. Since the rotation direction of the rotating handwheel 8 is different, the AC current phase is different, and the corresponding AC negative half-cycle indicator light 16 and AC positive half-cycle indicator light 17 will be lit in sequence.

[0043] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.

[0044] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A single-phase AC generator, characterized in that: Includes plastic base, stator coil, rotor magnet, fixing bracket, output terminal, red and green LED lights and rotating hand wheel; The fixing frame is mounted on the upper surface of the plastic base, and a rotating hand wheel is also mounted on the fixing frame; The stator coil is arranged on the inner side of the fixing frame, and the stator coil is connected to the stator coil fixing seat in the middle of the plastic base; The top of the stator coil is rotatably mounted with a rotor shaft, the bottom of the rotor shaft is mounted with a rotor magnet frame, and rotor magnets are arranged on both sides of the rotor magnet frame, and the rotor magnets include an N pole and an S pole; The fixing frame is provided with a driving pulley and a driven pulley coupling, the driving pulley and the driven pulley coupling are connected via a rubber belt transmission, the driving pulley is connected to a rotating handwheel arranged at its top, and the driven pulley coupling is connected to the rotor shaft; The output terminal is installed on one side of the upper surface edge of the plastic base, and the red and green LED lights are installed on the other side of the upper surface edge of the plastic base.

2. A single-phase AC generator according to claim 1, characterized in that: The fixing frame includes a crossbeam cover, a crossbeam, a left support and a right support; The left support and the right support are symmetrically mounted on a plastic base, and a crossbeam is mounted on the top of the left support and the right support; A crossbeam upper cover is also installed on the crossbeam, and the crossbeam upper cover is fixedly connected to the left support and the right support on both sides by bolts.

3. The single-phase AC generator according to claim 1, characterized in that: The red and green LED lights include an AC negative half-cycle indicator light and an AC positive half-cycle indicator light; The AC negative half-cycle indicator light and the AC positive half-cycle indicator light are both electrically connected to the stator coil. When the induced electromotive force generated by the stator coil is positive, the AC positive half-cycle indicator light turns red, and when the induced electromotive force generated by the stator coil is negative, the AC negative half-cycle indicator light turns green.

4. The single-phase AC generator according to claim 1, characterized in that: The output terminals include a low voltage AC output socket 1 and a low voltage AC output socket 2; The low-voltage AC output socket 1 and the low-voltage AC output socket 2 are both installed on a plastic base. The low-voltage AC output socket 1 and the low-voltage AC output socket 2 are also connected to an external AC voltmeter to facilitate observation of the AC voltage.

5. The single-phase AC generator according to claim 2, characterized in that: A plastic base cover plate is installed at the bottom of the plastic base, and a decorative cover is installed at the middle of the top end of the crossbeam upper cover.

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