CN2672788Y - Current meter work principle demonstrator - Google Patents
Current meter work principle demonstrator Download PDFInfo
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- CN2672788Y CN2672788Y CN 200320114202 CN200320114202U CN2672788Y CN 2672788 Y CN2672788 Y CN 2672788Y CN 200320114202 CN200320114202 CN 200320114202 CN 200320114202 U CN200320114202 U CN 200320114202U CN 2672788 Y CN2672788 Y CN 2672788Y
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- bracket
- energising
- support
- coil
- current meter
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Abstract
The utility model provides a current meter work principle demonstrator, and belongs to a current meter working principle teaching instrument. The current meter work principle demonstrator mainly solves the technical problems that current meter teaching models or visual instruments do not exist, etc. The current meter work principle demonstrator is characterized in that a pedestal is respectively provided with an inner bracket and an outer bracket which are respectively sheathed with laterally an inner energizing bracket and an outer energizing bracket which are respectively connected with energizing shaft seats fixedly. The energizing shafts of both ends of a coil are respectively inserted and arranged on the energizing shaft seats, and a right magnet and a left magnet whose polarities are opposite are respectively arranged at both sides of the coil and between the inner bracket and the outer bracket. One end of the inner energizing bracket and one end of the outer energizing bracket are respectively provided with inner wiring posts and outer wiring posts, and the energizing shaft of the inner side of the coil is sheathed with a guide finger. The inner bracket is sheathed with a scale dial plate, and the outer bracket is provided with a zero-adjustment knob. The current meter work principle demonstrator can visually demonstrate the principle of the inner portion structure of the current meter, and is favorable for improving the electricity experimental ability of students.
Description
Technical field
The utility model relates to a kind of teaching equipment that is used for the showing ammeter principle of work.
Background technology
Reometer is a kind of electricity instrument commonly used, and it is the master tool of electric meter refitting, electricity metering, Experiments of Electricity design.Because it is in the critical role in Experiments of Electricity field, in newly organized middle school teaching material, increased the content of " principle of work of reometer " newly, but in the instruments used for education field, no ready-made being used to introduce reometer structure, tell about the teaching mode or the instrument intuitively of the principle of work of reometer.
Summary of the invention
The purpose of this utility model provides and a kind ofly can be used to demonstrate the also reometer principle of work demonstration device of stream table principle of work intuitively.
The technical scheme that its technical matters that solves the utility model adopts is: be respectively arranged with inner support 4 and support arm 6 on the base 7, energising support 19 and outer energising support 8 in laterally being set with respectively on inner support 4 and the support arm 6 are fixedly connected with energising axle bed 3 respectively on interior energising support 19 and the outer energising support 8; The energising axle at coil 18 two ends is inserted into respectively on the energising axle bed 3, lay relative right magnet 5 of polarity and left magnet 16 between both sides, inner support 4 and the support arm 6 of coil 18 respectively, an end of interior energising support 19 and outer energising support 8 is respectively arranged with internal wiring terminal 17 and outer terminal 15; Be set with pointer 1 on the inboard energising axle of coil 18, be set with scale dial plate 2 on the inner support 4.Support arm 6 is provided with the zeroing knob.If being support arm 6, a kind of concrete mode of zeroing knob is provided with right zeroing knob 10 and left side zeroing knob 13, right zeroing knob 10 and a left side revolving of knob 13 of zeroing are fixed with right driving lever 9 and left driving lever 14 respectively on the axle, hook about the left and right sides of the close energising axle in coil 18 outsides is respectively arranged with, the upper end of right flexible pull wire 11 and left flexible pull wire 12 joins with the right side and the left side hook of coil 18 respectively, and its lower end joins with the free end of right driving lever 9 and left driving lever 14 respectively.
The beneficial effects of the utility model are: it is the inner structure principle of showing ammeter very intuitively, its design has novelty, characteristics such as easy, directly perceived, being convenient to the student does it yourself to make or easily assembled reometer, the principle of work of learning well about reometer for the student provides a kind of instruments used for education intuitively, it helps cultivating student's exploration, application, innovation ability, also helps improving student's Experiments of Electricity ability.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a perspective view of the present utility model.
Fig. 3 is the block scheme that the utility model is used to lecture the reometer principle of work.
Among the figure: 1. pointer, 2. scale dial plate, 3. energising axle bed, 4. inner support, 5. right magnet, 6. support arm, 7. base, 8. the support of switching on outward, 9. right driving lever, 10. right zeroing knob, 11. right flexible pull wire, 12. left flexible pull wire, 13. left side zeroing knobs, 14. left driving lever, 15. outer terminals, 16 left magnet, 17. internal wiring terminal, 18. coils, 19. interior energising supports.
Embodiment
Embodiment 1, be respectively arranged with inner support 4 and support arm 6 on the base 7 of the present utility model, energising support 19 and outer energising support 8 in laterally being set with respectively on inner support 4 and the support arm 6, be fixedly connected with the axle bed 3 of switching on respectively on interior energising support 19 and the outer energising support 8, the energising axle at coil 18 two ends is inserted into respectively on the energising axle bed 3, both sides at coil 18, lay relative right magnet 5 of polarity and left magnet 16 between inner support 4 and the support arm 6 respectively, one end of interior energising support 19 and outer energising support 8 is respectively arranged with internal wiring terminal 17 and outer terminal 15, be set with pointer 1 on the inboard energising axle of coil 18, be set with scale dial plate 2 on the inner support 4.Consult Fig. 1 and Fig. 2.
The concrete match teaching design proposal of principle of work that the utility model is used for showing ammeter is as follows:
Knowledge objective: 1. know the purposes of reometer, understand the principle of work of reometer.
2. understand the structure and the characteristics of reometer, know the outrange of avoiding that must be noted that when using.
Understand the big or small characteristics of two parameters commonly used of reometer
Capability goal: 1. cultivate student experimenting observation ability (observe phenomena, observation structure).
2. cultivate student's innovation ability (design innovation, application innovation).
3. cultivate student's understandability, ability of analysis and synthesis.
Moral educational targets: the spirit of exploration of 1. cultivating the student.
2. cultivate the pragmatic scientific research quality of looking for novelty, making unceasing progress of student.
3. cultivate student's creativity consciousness.
Focal points: the principle of work of reometer
Teaching difficulty: the 1. making forming process of simple and easy reometer.
2. spoke shape magnetic field, volute spring.
Teaching method: inquiry method, experimental method, discussion method
Teaching is prepared: 1. teaching aid:
Magnet, coil, support, mathematics ammeter, power supply, resistance box, video showing platform, many
Medium courseware and multimedia teaching environment etc.
2. schooling apparatus:
Sensitive reometer, battery, switch, fixed resistance.
Teaching process: the design of this class roughly is divided into four processes
1. new class is introduced
2. the manufacturing process of simple and easy reometer
3. the relevant knowledge of magneto-electric reometer
4. the formation of practical reometer
Concrete teaching process sees Table
| Teaching task | Education informations | Teacher's main activities | Student's activities | Comprehensive embodiment |
| New class is introduced | Student experimenting: measure electric current | Propose experimental duties and make an inspection tour initiation student query | The observation experiment thinking | Inspire aspiration to knowledge |
| The making of simple and easy ammeter | Lecture experiment: rotating shaft is perpendicular to the deflection phenomenon of the hot-wire coil in magnetic field, current direction detection, size of current detects, single-turn circular coil, multiturn coil, bungee, scale, simple and easy reometer. | Operate the lecture experiment of this link, inspire and induce the student to solve and make the variety of issue that is run in the reometer process, answer student difficulty. | Observation experiment is with in kind, play an active part in and explore and research, think deeply, discuss and answer a question, participate in dial plate and make. | Cultivate student's exploring ability, innovation ability, the connection between theory and practice and problem-solving ability, the experimental observation ability. |
| The relevant issues of magneto-electric reometer | Principle of work, spoke shape magnetic field, volute spring, scale evenly, multiturn coil, sensitivity, range. | 1. sum up the reometer principle of work and 2. tell about the typical structure and the relevant characteristics of reometer.Points for attention when 3. introducing two parameters and use | Thinking, observation and understanding | Understandability analysis ability observation ability |
| The formation of practical reometer | The gap of two tables: forming process (animation simulation).Fault analysis (motor-driven) | 1. collect student's innovative approach.2. demonstrate forming process. | Thinking, discussion are also answered, and watch simulation process | The connection between theory and practice and problem-solving ability, integration capability. |
Consult the block scheme of instruction reometer principle of work shown in Figure 3.
Claims (3)
1, a kind of reometer principle of work demonstration device, it is characterized in that: be respectively arranged with inner support (4) and support arm (6) on the base (7), energising support (19) and outer energising support (8) in laterally being set with respectively on inner support (4) and the support arm (6), be fixedly connected with energising axle bed (3) on interior energising support (19) and the outer energising support (8) respectively, the energising axle at coil (18) two ends is inserted into respectively on the energising axle bed (3), both sides in coil (18), lay relative right magnet (5) of polarity and left magnet (16) between inner support (4) and the support arm (6) respectively, one end of interior energising support (19) and outer energising support (8) is respectively arranged with internal wiring terminal (17) and outer terminal (15), be set with pointer (1) on the inboard energising axle of coil (18), be set with scale dial plate (2) on the inner support (4).
2, reometer principle of work demonstration device according to claim 1, it is characterized in that: support arm (6) is provided with the zeroing knob.
3, reometer principle of work demonstration device according to claim 1, it is characterized in that: support arm (6) is provided with right zeroing knob (10) and left side zeroing knob (13), right zeroing knob (10) and revolving of left side zeroing knob (13) are fixed with right driving lever (9) and left driving lever (14) respectively on the axle, hook about coil (18) outside is respectively arranged with near the energising axle left and right sides, the upper end of right flexible pull wire (11) and left flexible pull wire (12) is linked up with the right side of coil (18) and left side respectively and is joined, and its lower end joins with the free end of right driving lever (9) and left driving lever (14) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320114202 CN2672788Y (en) | 2003-11-25 | 2003-11-25 | Current meter work principle demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320114202 CN2672788Y (en) | 2003-11-25 | 2003-11-25 | Current meter work principle demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2672788Y true CN2672788Y (en) | 2005-01-19 |
Family
ID=34475154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320114202 Expired - Fee Related CN2672788Y (en) | 2003-11-25 | 2003-11-25 | Current meter work principle demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2672788Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410896A (en) * | 2010-12-08 | 2012-04-11 | 昆山市瑞捷精密模具有限公司 | Tensile stress measurer |
| CN102590572A (en) * | 2012-03-12 | 2012-07-18 | 韩亚兰 | Laser pointer type current meter structure |
-
2003
- 2003-11-25 CN CN 200320114202 patent/CN2672788Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410896A (en) * | 2010-12-08 | 2012-04-11 | 昆山市瑞捷精密模具有限公司 | Tensile stress measurer |
| CN102590572A (en) * | 2012-03-12 | 2012-07-18 | 韩亚兰 | Laser pointer type current meter structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |