CN206594916U

CN206594916U - Three phase electric machine operation principle teaching machine

Info

Publication number: CN206594916U
Application number: CN201720237753.3U
Authority: CN
Inventors: 朱桢平; 徐尚辉
Original assignee: FOSHAN GAOMING DISTRICT TECHNICAL SCHOOL
Current assignee: FOSHAN GAOMING DISTRICT TECHNICAL SCHOOL
Priority date: 2017-03-13
Filing date: 2017-03-13
Publication date: 2017-10-27
Anticipated expiration: 2027-03-13

Abstract

The utility model discloses a kind of three phase electric machine operation principle teaching machine, it include frame, threephase generator and with phase display；The threephase generator is arranged in frame；The phase display is arranged in frame, and positioned at the side of threephase generator；The threephase generator includes rotor and stator, and the rotor is arranged in stator；The phase display is electrically connected with by the brush that commutates with the coil of rotor, and the stator phase that rotates of respective rotor corresponds to be shown on phase display respectively.The utility model is by the way that threephase generator is arranged in frame, and phase display is installed in the side of threephase generator, so when threephase generator is rotated, corresponding phase can be included on phase display, and then reach the purpose of teaching three phase electric machine operation principle.

Description

Three phase electric machine operation principle teaching machine

Technical field

The utility model is related to teaching machine apparatus field, more particularly to a kind of three phase electric machine operation principle teaching machine.

Background technology

At present, three phase electric machine generates electricity needs explanation in teaching, and existing study course is typically all to be said by textbook schematic diagram Solution, the threephase generator for then taking laboratory to again carries out object teaching；So teaching process is bothered；Teaching machine can not be passed through Mode is imparted knowledge to students.

Therefore, prior art has yet to be improved and developed.

The content of the invention

The purpose of this utility model is to provide a kind of three phase electric machine operation principle teaching machine, it is intended to solve existing three-phase electricity Machine operation principle teaching trouble is, it is necessary to which view teaching and object teaching are combined, and reality can not be carried out by way of teaching machine The technical problem of border teaching.

The technical solution of the utility model is as follows：A kind of three phase electric machine operation principle teaching machine, it includes frame, three-phase Generator and with phase display；The threephase generator is arranged in frame；The phase display is arranged in frame, and Positioned at the side of threephase generator；The threephase generator includes rotor and stator, and the rotor is arranged in stator；The phase Position display is electrically connected with by the brush that commutates with the coil of rotor, and the stator phase that rotates of respective rotor corresponds to be shown in respectively On phase display.

Described three phase electric machine operation principle teaching machine, wherein, the stator includes shell and three groups of stator permanent magnet iron cores U1- U2, V1- V2, W1- W2, three groups of stator permanent magnets, which are made a mistake, feels at ease on the inner periphery of shell.

Described three phase electric machine operation principle teaching machine, wherein, 6 are evenly arranged with the inner periphery of the shell is used for The strip connected in star of stator permanent magnet iron core is installed, stator permanent magnet iron core is simultaneously arranged in long linear groove in diagonal mode.

Described three phase electric machine operation principle teaching machine, wherein, the phase display includes display board and LED lamp bead, The LED lamp bead is installed on the display panel according to stator respective rotor rotation phase, the stator phase distribution pattern correspondence of formation.

Described three phase electric machine operation principle teaching machine, wherein, each group of stator correspondence has one group of phase on the display panel, Every group of 12, phase, each phase one LED lamp bead of correspondence.

Described three phase electric machine operation principle teaching machine, wherein, one group of LED lamp bead of each group of phase correspondence, and group LED lamp bead between group is in parallel, and every group of LED lamp bead is cascaded.

Described three phase electric machine operation principle teaching machine, wherein, the section of the rotor is in I-shaped, and I-shaped Two bars on the outside of be circular arc, the circular arc is corresponding with the inner periphery of stator.

Described three phase electric machine operation principle teaching machine, wherein, this coil of the mid-wrap of the rotor, coil described in line The LED lamp bead in parallel with each group is connected, and each group LED lamp bead in parallel is also connected with ground wire.

Described three phase electric machine operation principle teaching machine, wherein, one end of the rotor is additionally provided with the handle of rocking-turn rotor Hand, rectangular " Z " font of handle.

The beneficial effects of the utility model：The utility model is by the way that threephase generator is arranged in frame, and three The side of phase generator is provided with phase display, so when threephase generator is rotated, can show corresponding phase On phase display, and then reach the purpose of teaching three phase electric machine operation principle；Determine because the shell of stator is provided with three groups Sub- permanent magnetism iron core, just can be by three groups of corresponding phase of correspondence, and by the way that each group is shown so rotor is when rotating The LED lamp bead of phase is together in parallel, and then every group of LED lamp bead is together in series, so not when rotor rotates certain angle, Corresponding phase can be then shown, and then reaches the display that threephase generator generates electricity, and principle explanation, accomplishes to explain principle It is combined with practice.

Brief description of the drawings

Fig. 1 is a kind of structural representation of the present utility model.

Fig. 2 is another structural representation of the present utility model.

Fig. 3 is a kind of structural representation of threephase generator in the utility model.

Fig. 4 is a kind of structural representation of phase display in the utility model.

Embodiment

To make the purpose of this utility model, technical scheme and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings The utility model is further described example.

As Figure 1-4, the utility model discloses a kind of three phase electric machine operation principle teaching machine, it includes frame 1, three Phase generator 2 and with phase display 3；The threephase generator 2 is arranged in frame 1；The phase display 3 is arranged on machine On frame 1, and positioned at the side of threephase generator 2；The threephase generator 2 includes rotor 21 and stator 22, and the rotor 21 is pacified In stator 22；The phase display 3 is electrically connected with by the coil of commutate brush and rotor 21, and respective rotor 21 is rotated The phase of stator 22 respectively correspond to be shown in 3 on phase display；One end of the rotor 21 is additionally provided with the handle of rocking-turn rotor Hand 4, rectangular " Z " font of handle 4.

Furtherly, the stator 22 includes shell 5 and three groups of stator permanent magnet iron cores 6, and three groups of stator permanent magnet iron cores 6 are distinguished For：U1- U2、V1- V2、W1- W2；Wherein described U1, V1 and W1 are N poles, and U2, V2 and W2 are S poles；The U1 and U2 are symmetrical, V1 and V2 is symmetrical, and W1 and W2 are symmetrical, and described U1, U2, V1, V2, W1 and W2 are separately mounted on the inner periphery 5 of shell 5；By this Three groups of stator permanent magnet iron cores 6, so when rotor 21 is rotated in the inner periphery of stator, coil cuts the magnetic field in three magnetic field Line, and then realize the principle of three-phase generation.

Furtherly, 6 strips for being used to install stator permanent magnet iron core are evenly arranged with the inner periphery of the shell 5 Groove 51, stator permanent magnet iron core 6 is simultaneously arranged in long linear groove 51 in diagonal mode；Can be by three by the strip connected in star Group stator permanent magnet iron core is fixed on the inner periphery of shell, and then realization is uniformly distributed magnetic field line, forms three uniform magnetic fields.

Furtherly, the phase display 3 includes display board 30 and LED lamp bead 31, and the LED lamp bead 31 is according to stator The rotation phase of respective rotor 21, the phase distribution figure of stator 22 correspondence of formation is arranged on display board 30；Display board 30 leans on three Phase generator is mounted obliquely in frame 1；The each group of correspondence of stator 22 has one group of phase, every group of phase 12 on display board 30 It is individual, each phase one LED lamp bead 31 of correspondence.

After said structure, LED lamp bead of the present utility model can correspond to that every group of stator permanent magnet iron core be relative and rotor Phase, and be correspondingly shown on phase display, corresponding phase shown by each light LED lamp bead.

Furtherly, one group of LED lamp bead 31 of each group of phase correspondence, and the LED lamp bead 31 between group and group is in parallel, Every group of LED lamp bead 31 is cascaded；By parallel connection so the corresponding phase of three groups of stator permanent magnet iron cores 6 can be shown Come, while the LED lamp bead between group and group is connected, the corresponding phase of display can be reached.

Furtherly, it is circular arc 210 on the outside of I-shaped, and two bars of I-shaped that the section of the rotor 21, which is in, The circular arc 210 is corresponding with the inner periphery of stator 22.

Furtherly, this coil 24 of the mid-wrap of the rotor 21, the LED lamp bead in parallel with each group of coil 24 described in line 31 are connected, and each group LED lamp bead 31 in parallel is also connected with ground wire 32.

The utility model is provided with phase by the way that threephase generator is arranged in frame in the side of threephase generator Position display, so when threephase generator is rotated, can include corresponding phase on phase display, and then reach The purpose for three phase electric machine operation principle of imparting knowledge to students；Because the shell of stator is provided with three groups of stator permanent magnet iron cores, so rotor is turning When dynamic, just can by the corresponding phase of three groups of correspondence, and by the way that each group being shown to, the LED lamp bead of phase is together in parallel, Then every group of LED lamp bead is together in series, so corresponding phase can not then be shown when rotor rotates certain angle, And then the display that threephase generator generates electricity, and principle explanation are reached, accomplish principle explanation being combined with practice.

It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model The protection domain that profit is required.

Claims

1. a kind of three phase electric machine operation principle teaching machine, it is characterised in that including frame, threephase generator and phase display； The threephase generator is arranged in frame；The phase display is arranged in frame, and positioned at the side of threephase generator； The threephase generator includes rotor and stator, and the rotor is arranged in stator；The phase display by commutate brush with The coil of rotor is electrically connected with, and the stator phase that rotates of respective rotor corresponds to be shown on phase display respectively.

2. three phase electric machine operation principle teaching machine according to claim 1, it is characterised in that the stator include shell and Three groups of stator permanent magnet iron core U1- U2, V1- V2, W1- W2, the stator permanent magnet iron core are arranged on the inner periphery of shell.

3. three phase electric machine operation principle teaching machine according to claim 2, it is characterised in that on the inner periphery of the shell 6 strip connected in stars for being used to install stator permanent magnet iron core are evenly arranged with, stator permanent magnet iron core is simultaneously installed in diagonal mode In long linear groove.

4. three phase electric machine operation principle teaching machine according to claim 3, it is characterised in that the phase display includes Display board and LED lamp bead, the LED lamp bead is according to stator respective rotor rotation phase, the stator phase distribution pattern pair of formation It should install on the display panel.

5. three phase electric machine operation principle teaching machine according to claim 4, it is characterised in that each group of stator correspondence is aobvious Show on plate there is one group of phase, every group of 12, phase, each phase one LED lamp bead of correspondence.

6. three phase electric machine operation principle teaching machine according to claim 5, it is characterised in that each group of phase correspondence One group of LED lamp bead between LED lamp bead, and group and group is in parallel, and every group of LED lamp bead is cascaded.

7. three phase electric machine operation principle teaching machine according to claim 1, it is characterised in that the section of the rotor is in It is circular arc on the outside of I-shaped, and two bars of I-shaped, the circular arc is corresponding with the inner periphery of stator.

8. three phase electric machine operation principle teaching machine according to claim 7, it is characterised in that the mid-wrap of the rotor This coil, the LED lamp bead in parallel with each group of coil described in line is connected, and each group LED lamp bead in parallel is also connected with ground wire.

9. three phase electric machine operation principle teaching machine according to claim 1, it is characterised in that one end of the rotor is also set It is equipped with the handle of rocking-turn rotor, rectangular " Z " font of handle.