CN204045090U - A kind of teaching generator model - Google Patents
A kind of teaching generator model Download PDFInfo
- Publication number
- CN204045090U CN204045090U CN201420486900.7U CN201420486900U CN204045090U CN 204045090 U CN204045090 U CN 204045090U CN 201420486900 U CN201420486900 U CN 201420486900U CN 204045090 U CN204045090 U CN 204045090U
- Authority
- CN
- China
- Prior art keywords
- commutation diode
- binding post
- negative pole
- positive pole
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Dc Machiner (AREA)
Abstract
The utility model relates to a kind of generator, be specifically related to a kind of for teaching demonstration generator model, comprise base, this base is movably installed with armature spindle, described armature spindle is installed with permanent magnet, the base of these permanent magnet both sides is symmetrically installed with iron core, this iron core is all provided with coil, on described iron core, the direction of winding of coil is identical and connect successively, and two free ends of described coil are connected with binding post a and binding post b respectively.The utility model utilizes magnetic pole to be stator as rotor, coil, eliminates the elements that may be out of order such as collector ring, commutator, brush, improves the reliability of generator model, reduces failure rate, and structure is simple, is not easy to damage.
Description
Technical field
The utility model relates to a kind of generator, is specifically related to a kind of for teaching demonstration generator model.
Background technology
Electricity application is in modern society self-evident.Although the method obtaining electric energy is more, the most basic, topmost method or electrical power generators.Therefore the principle of student's understanding and grasp generator just becomes important learning content with structure.And existing demonstration generator model its be designed to: armature is rotor, magnetic pole is stator, often can not send out electricity when lecture experiment, or cuts in and out.Find to there is following problem through observational study: 1. complex structure, electricity has to pass through the elements such as collector ring, commutator, brush and draws, and very easily comes in contact bad; 2., because element is too many, failure rate is high; 3. poor reliability, easily damages.
Utility model content
The utility model, for the deficiencies in the prior art, provides the teaching generator model that a kind of structure is simple, reliable, be convenient to observe generator principle.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of teaching generator model, comprise base, this base is movably installed with armature spindle, described armature spindle is installed with permanent magnet, the base of these permanent magnet both sides is symmetrically installed with iron core, this iron core is all provided with coil, and on described iron core, the direction of winding of coil is identical and connect successively, and two free ends of described coil are connected with binding post a and binding post b respectively.
Further, also comprise the bridge rectifier circuit of 4 commutation diode compositions, the positive pole of the first commutation diode is connected with the positive pole of the second commutation diode, the negative pole of the second commutation diode is connected with the positive pole of the 3rd commutation diode, the negative pole of the 3rd commutation diode is connected with the negative pole of the 4th commutation diode, and the positive pole of the 4th commutation diode is connected with the negative pole of the first commutation diode; The negative pole of described first commutation diode is connected with described binding post b with the positive pole of the 4th commutation diode, and the negative pole of described second commutation diode is connected with described binding post a with the positive pole of the 3rd commutation diode; The positive pole of described first commutation diode is connected with binding post d with the positive pole of the second commutation diode, and the negative pole of described 3rd commutation diode is connected with binding post c with the negative pole of the 4th commutation diode.
Further, described iron core is connected with arc magnetic conductor near one end of described permanent magnet, this arc magnetic conductor and described permanent magnet suitable.
Further, the extreme and N of the S of described permanent magnet is extremely all set to arc.
Further, one end of described armature spindle is provided with engaged wheel, described base is provided with the driving wheel matched with described engaged wheel, and by belt gear between this driving wheel and engaged wheel, described driving wheel is provided with the convenient handle rotated.
Further, the diameter of described driving wheel is greater than the diameter of described engaged wheel.
The beneficial effects of the utility model are:
1, the utility model provides a kind of teaching generator model, utilizes magnetic pole to be stator as rotor, coil, eliminates the elements that may be out of order such as collector ring, commutator, brush, improve the reliability of generator model, reduce failure rate, and structure is simple, is not easy to damage.
2, the utility model adds commutation diode group and obtains direct current, can understand alternating current and change galvanic another kind of method into while student understands and grasps the principle of generator and structure.
3, the utility model is provided with arc magnetic conductor, and this arc magnetic conductor can reduce leakage field, raises the efficiency; And this arc magnetic conductor can also prevent the coil on iron core from coming off from the front end of iron core.
4, the S pole of permanent magnet of the present utility model and N are extremely all set to arc, can reduce magnetic gap as far as possible, raise the efficiency further.
Accompanying drawing explanation
Fig. 1 is structural scheme of mechanism of the present utility model.
Fig. 2 is the utility model front view.
Fig. 3 is the structural representation of commutation diode group of the present utility model,
In figure: 1. base 2. armature spindle 3. permanent magnet 4. bearing bracket stand 5. support 6. binding post a 7. unshakable in one's determination binding post b 8. binding post c 9. binding post d 10. coil 11. first commutation diode 12. second commutation diode 13. the 3rd commutation diode 14. the 4th commutation diode 15. driving wheel support 16. driving wheel 17. engaged wheel 18. handle 19. arc magnetic conductor.
Embodiment
As described in Figure, the utility model comprises base 1, and this base 1 is provided with bearing bracket stand 4, and this bearing bracket stand 4 is provided with armature spindle 2, and the two ends of this armature spindle 2 to be movably arranged on bearing bracket stand 4 and freely can to rotate on bearing bracket stand 4; Described armature spindle 2 is installed with permanent magnet 3, and the extreme and N of the S of this permanent magnet 3 is extremely all set to arc; The support unshakable in one's determination 5 of described permanent magnet 3 both sides is symmetrically installed with iron core, and described support 5 unshakable in one's determination is fixedly mounted on base 1; Described iron core is provided with coil 10, on described iron core, the direction of winding of coil 10 is identical and connect successively, and the two ends that namely described coil is adjacent connect; The other two ends of described coil 10 (namely described coil mutually away from two ends) be connected with binding post a6 and binding post b7 respectively; Described iron core is fixedly connected with arc magnetic conductor 19 near one end of described permanent magnet 3, and this arc magnetic conductor 19 is suitable with described permanent magnet 3.One end of described armature spindle 2 is extended described bearing bracket stand 4 and is provided with engaged wheel 17, described base 1 is also provided with the driving wheel 16 matched with described engaged wheel 17 by driving wheel support 15, and the diameter of described driving wheel 16 is greater than the diameter of described engaged wheel 17; By belt gear between this driving wheel 16 and engaged wheel 17, the outer ledge place of described driving wheel 16 is provided with the convenient handle 18 rotated.
The utility model also comprises the bridge rectifier circuit of 4 commutation diode compositions, the positive pole of the first commutation diode 11 is connected with the positive pole of the second commutation diode 12, the negative pole of the second commutation diode 12 is connected with the positive pole of the 3rd commutation diode 13, the negative pole of the 3rd commutation diode 13 is connected with the negative pole of the 4th commutation diode 14, and the positive pole of the 4th commutation diode 14 is connected with the negative pole of the first commutation diode 11; The negative pole of described first commutation diode 11 is connected with described binding post b with the positive pole of the 4th commutation diode 14, and the negative pole of described second commutation diode 12 is connected with described wiring a with the positive pole of the 3rd commutation diode 13; The positive pole of described first commutation diode 11 is connected with binding post d9 with the positive pole of the second commutation diode 12, and the negative pole of described 3rd commutation diode 13 is connected with binding post c8 with the negative pole of the 4th commutation diode 14.
Described binding post a, binding post b, binding post c, binding post d are all arranged on described base; Wherein binding post a and binding post b are for exchanging binding post, and binding post c and binding post d is direct current binding post, and binding post c is positive source, and binding post d is power cathode.
Described iron core and arc magnetic conductor are made by soft magnetic material, are generally fabricated from iron.
Described permanent magnet is magnet.
Described base is wooden base.
In presentation process, according to the needs of electrical appliance, if with alternating current, electrical appliance is received on binding post a and binding post b; If with direct current, electrical appliance is received on binding post c and binding post d.Also can two electrical appliances be received on alternating current binding post and direct current terminal respectively simultaneously.
Hand traverse driving wheel during demonstration, can see the duty of electrical appliance by the speed of shake.Thus allow student understand the principle of generator.
The utility model utilizes magnetic pole to be stator as rotor, coil, eliminates the elements that may be out of order such as collector ring, commutator, brush, improves the reliability of generator model, reduces failure rate, and structure is simple, is not easy to damage.
Claims (6)
1. a teaching generator model, comprise base, this base is movably installed with armature spindle, it is characterized in that: described armature spindle is installed with permanent magnet, the base of these permanent magnet both sides is symmetrically installed with iron core, this iron core is all provided with coil, and on described iron core, the direction of winding of coil is identical and connect successively, and the other two ends of described coil are connected with binding post a and binding post b respectively.
2. one teaching generator model according to claim 1, it is characterized in that: the bridge rectifier circuit also comprising 4 commutation diode compositions, the positive pole of the first commutation diode is connected with the positive pole of the second commutation diode, the negative pole of the second commutation diode is connected with the positive pole of the 3rd commutation diode, the negative pole of the 3rd commutation diode is connected with the negative pole of the 4th commutation diode, and the positive pole of the 4th commutation diode is connected with the negative pole of the first commutation diode; The negative pole of described first commutation diode is connected with described binding post b with the positive pole of the 4th commutation diode, and the negative pole of described second commutation diode is connected with described binding post a with the positive pole of the 3rd commutation diode; The positive pole of described first commutation diode is connected with binding post d with the positive pole of the second commutation diode, and the negative pole of described 3rd commutation diode is connected with binding post c with the negative pole of the 4th commutation diode.
3. according to claim 1 one teaching generator model, it is characterized in that: described iron core is connected with arc magnetic conductor near one end of described permanent magnet, this arc magnetic conductor and described permanent magnet suitable.
4. one teaching generator model according to claim 1, is characterized in that: the extreme and N of the S of described permanent magnet is extremely all set to arc.
5. one teaching generator model according to claim 1, it is characterized in that: one end of described armature spindle is provided with engaged wheel, described base is provided with the driving wheel matched with described engaged wheel, by belt gear between this driving wheel and engaged wheel, described driving wheel is provided with the convenient handle rotated.
6. one teaching generator model according to claim 5, is characterized in that: the diameter of described driving wheel is greater than the diameter of described engaged wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486900.7U CN204045090U (en) | 2014-08-27 | 2014-08-27 | A kind of teaching generator model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486900.7U CN204045090U (en) | 2014-08-27 | 2014-08-27 | A kind of teaching generator model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045090U true CN204045090U (en) | 2014-12-24 |
Family
ID=52245731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486900.7U Expired - Fee Related CN204045090U (en) | 2014-08-27 | 2014-08-27 | A kind of teaching generator model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530916A (en) * | 2016-11-16 | 2017-03-22 | 商洛学院 | Magnetoelectric conversion device |
| CN107492290A (en) * | 2017-07-18 | 2017-12-19 | 安徽卓特信息技术有限公司 | Generator excitation instructional device |
| CN109523883A (en) * | 2018-12-27 | 2019-03-26 | 钱俊伟 | A kind of electrification demonstration device applied to AC/DC motor |
-
2014
- 2014-08-27 CN CN201420486900.7U patent/CN204045090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530916A (en) * | 2016-11-16 | 2017-03-22 | 商洛学院 | Magnetoelectric conversion device |
| CN106530916B (en) * | 2016-11-16 | 2023-10-20 | 商洛学院 | Magneto-electric conversion device |
| CN107492290A (en) * | 2017-07-18 | 2017-12-19 | 安徽卓特信息技术有限公司 | Generator excitation instructional device |
| CN109523883A (en) * | 2018-12-27 | 2019-03-26 | 钱俊伟 | A kind of electrification demonstration device applied to AC/DC motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201374636Y (en) | Coreless direct current brushless motor and motor driven tool | |
| CN203645506U (en) | Coreless permanent-magnet DC motor | |
| CN202004614U (en) | Ironless and brushless permanent magnet DC (Direct Current) motor with inner and outer rotors | |
| CN204045090U (en) | A kind of teaching generator model | |
| US20120175975A1 (en) | Switched reluctance motor | |
| CN201345186Y (en) | Teaching demonstration model of direct-current motors | |
| CN204990927U (en) | Simple and easy motor teaching mode | |
| CN103633801A (en) | Generator with stator consisting of magnetic poles and coils | |
| CN202838781U (en) | Direct-current motor presentation device | |
| CN202488326U (en) | Permanent magnet brushless direct current torque motor based on Hall element | |
| CN204425146U (en) | High efficiency combined type iron core winding generator | |
| CN202759359U (en) | Claw-pole type brushless AC generator | |
| CN204118976U (en) | A kind of commutator of rotor magnetic pole winding type motor of improvement and brush | |
| CN104811004A (en) | Permanent-magnet synchronous motor with built-in frequency converter | |
| CN204497862U (en) | High-power stator | |
| CN203251207U (en) | Pulse-type electromagnetic motor | |
| EP4376277A3 (en) | Low reverse torque, high efficiency electric power generators with uni-pole rotors | |
| CN204205733U (en) | A kind of without commutation permanent magnet DC motor | |
| CN203910129U (en) | Novel bidirectional direct current motor demonstration teaching aid | |
| CN203368277U (en) | Magnetic passage type new generator | |
| CN203387388U (en) | Direct-current brushless single-phase positive and negative pole alternating commutator motor | |
| CN204103721U (en) | The independent closed dual-purpose synchronous machine of rotor | |
| CN202856563U (en) | Coil winding machine provided with tensioner | |
| JP2016041004A (en) | Motor for switching current of stator's electromagnets by fixed commutator using permanent magnets and brushes for rotors and using electromagnets for stators, in direct current motor (dc motor) | |
| CN202872598U (en) | Low-voltage-started permanent magnet synchronous motor structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |