CN204614313U - Transformer alternating, direct current, pulse current effect demonstrator - Google Patents
Transformer alternating, direct current, pulse current effect demonstrator Download PDFInfo
- Publication number
- CN204614313U CN204614313U CN201520166181.5U CN201520166181U CN204614313U CN 204614313 U CN204614313 U CN 204614313U CN 201520166181 U CN201520166181 U CN 201520166181U CN 204614313 U CN204614313 U CN 204614313U
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- China
- Prior art keywords
- switch
- transformer
- oscillograph
- module
- bulb
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Abstract
The utility model relates to a kind of transformer alternating, direct current, pulse current effect demonstrator, belongs to physical experiment apparatus field, and circuit is by direct supply DC, AC power AC, transfer switch K, switch S
1, switch S
2, switch S
3, switch S
4, saw blade box J, module I, transformer T, oscillograph V
1, oscillograph V
2, bulb H forms, module I NE555 frequency-adjustable pulse output module, saw blade box J places two saw blades, oscillograph V in square box
1, oscillograph V
2, bulb H be used for demonstration interchanges, direct current, pulse current phenomenon, the advantage that the utility model has and good effect are: demonstrate visual in image, can demonstrate transformer to interchange effect, the effect of transformer to direct current, pulse current can be demonstrated again.
Description
Technical field
The utility model relates to a kind of transformer alternating, direct current, pulse current effect demonstrator, belongs to physics educational apparatus field.
Background technology
At present, in physics teaching, demonstration instrument about transformer action can only demonstrate transformer to the effect exchanged, the effect of transformer to direct current, pulse current can not be demonstrated, student sees that the rear mutual inductance principle to transformer can not have deep understanding, this demonstration instrument can demonstrate transformer to the effect exchanged, and can demonstrate again the effect of transformer to direct current, pulse current.
Utility model content
The purpose of this utility model is to provide a kind of transformer alternating, direct current, pulse current effect demonstrator, can demonstrate transformer to the effect exchanged, can demonstrate again the effect of transformer to direct current, pulse current.
The purpose of this utility model is achieved in that circuit is by direct supply DC, AC power AC, transfer switch K, switch S
1, switch S
2, switch S
3, switch S
4, saw blade box J, module I, transformer T, oscillograph V
1, oscillograph V
2, bulb H forms.1 end of the one termination transfer switch K of AC power AC, the positive pole of direct supply DC connects 2 ends of transfer switch K, and 3 ends of transfer switch K connect switch S simultaneously
1one end, switch S
2one end, switch S
3one end, switch S
3the other end connect 2 ends of saw blade box J and the output pin of module I, switch S simultaneously
21 end of another termination saw blade box J, switch S
1the positive pin of power supply of other end connection module I, the grounding leg of connection module I after the other end of AC power AC is connected with the negative terminal of direct supply DC, a winding of transformer T is connected between the output pin of module I and grounding leg, and the Secondary Winding of transformer T passes through switch S
4be connected on the two ends of bulb H, oscillograph V
1be connected on winding two ends of transformer T, oscillograph V
2be connected on the Secondary Winding two ends of transformer T.Module I NE555 frequency-adjustable pulse output module, saw blade box J places two saw blades in square box.Oscillograph V
1, oscillograph V
2, bulb H be used for demonstration interchange, direct current, pulse current phenomenon.
Owing to adopting technique scheme, the advantage that the utility model has with good effect is: can demonstrate transformer to the effect exchanged, and can demonstrate again the effect of transformer to direct current, pulse current, and structure is simple, and intuitively accurately, operation demonstration is convenient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is one-piece construction schematic diagram of the present utility model.
AC. AC power DC. direct supply K. transfer switch S in figure
1. switch S
2. switch S
3. switch I .NE555 frequency-adjustable pulse output module J. saw blade box V
1. oscillograph T. transformer S
4. switch V
2. oscillograph H. bulb 1. base 2. demonstration board
Embodiment:
In FIG, 1 end of a termination transfer switch K of AC power AC, the positive pole of direct supply DC connects 2 ends of transfer switch K, and 3 ends of transfer switch K connect switch S simultaneously
1one end, switch S
2one end, switch S
3one end, switch S
3the other end connect 2 ends of saw blade box J and the output pin of module I, switch S simultaneously
21 end of another termination saw blade box J, switch S
1the positive pin of power supply of other end connection module I, the grounding leg of connection module I after the other end of AC power AC is connected with the negative terminal of direct supply DC, a winding of transformer T is connected between the output pin of module I and grounding leg, and the Secondary Winding of transformer T passes through switch S
4be connected on the two ends of bulb H, oscillograph V
1be connected on winding two ends of transformer T, oscillograph V
2be connected on the Secondary Winding two ends of transformer T.Module I NE555 frequency-adjustable pulse output module, saw blade box J places two saw blades in square box.Oscillograph V
1, oscillograph V
2, bulb H be used for demonstration interchange, direct current, pulse current phenomenon.
1 cut-off switch S
1, cut-off switch S
2, 2 ends of the switch K that switches on power in order and 3 ends, turn on-switch S
3, turn on-switch S
4, now oscillograph V
1a winding of display transformer T has DC voltage, oscillograph V
2the Secondary Winding of display transformer T does not have voltage, and bulb H does not work, and this phenomenon describes transformer does not have mutual inductance effect to DC current.
2 direct supply DC use 1.5 volts, cut-off switch S
1, cut-off switch S
3, 2 ends of the switch K that switches on power in order and 3 ends, turn on-switch S
2, turn on-switch S
4, both hands are adjacent to the alignment of the tines portion of two saw blades relative motion, now oscillograph V respectively
1a winding of display transformer T has pulse voltage, oscillograph V
2the Secondary Winding of display transformer T has pulse voltage, and bulb H is bright, and this phenomenon describes transformer paired pulses electric current mutual inductance effect.
3 direct supply DC use 12 volts, cut-off switch S
2, cut-off switch S
3, 2 ends of the switch K that switches on power in order and 3 ends, turn on-switch S
1, turn on-switch S
4, the frequency of NE555 frequency-adjustable pulse output module I is adjusted to 50 He Zhi, now oscillograph V
1a winding of display transformer T has pulse voltage, oscillograph V
2the Secondary Winding of display transformer T has pulse voltage, and bulb H is bright, and this phenomenon describes transformer paired pulses electric current mutual inductance effect.
4 cut-off switch S
1, cut-off switch S
2, 1 end of the switch K that switches on power in order and 3 ends, turn on-switch S
3, turn on-switch S
4, now oscillograph V
1a winding of display transformer T has alternating voltage, oscillograph V
2the Secondary Winding of display transformer T has alternating voltage, and bulb H is bright, and this phenomenon describes transformer has mutual inductance effect to alternating current.
Claims (1)
1. transformer alternating, direct current, a pulse current effect demonstrator, circuit is by direct supply DC, AC power AC, transfer switch K, switch S
1, switch S
2, switch S
3, switch S
4, saw blade box J, module I, transformer T, oscillograph V
1, oscillograph V
2, bulb H forms, it is characterized in that: 1 end of a termination transfer switch K of AC power AC, the positive pole of direct supply DC connects 2 ends of transfer switch K, and 3 ends of transfer switch K connect switch S simultaneously
1one end, switch S
2one end, switch S
3one end, switch S
3the other end connect 2 ends of saw blade box J and the output pin of module I, switch S simultaneously
21 end of another termination saw blade box J, switch S
1the positive pin of power supply of other end connection module I, the grounding leg of connection module I after the other end of AC power is connected with the negative terminal of direct supply, a winding of transformer T is connected between the output pin of module I and grounding leg, and the Secondary Winding of transformer T passes through switch S
4be connected on the two ends of bulb H, oscillograph V
1be connected on winding two ends of transformer T, oscillograph V
2be connected on the Secondary Winding two ends of transformer T, module I NE555 frequency-adjustable pulse output module, saw blade box J places two saw blades, oscillograph V in square box
1, oscillograph V
2, bulb H be used for demonstration interchange, direct current, pulse current phenomenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166181.5U CN204614313U (en) | 2015-03-17 | 2015-03-17 | Transformer alternating, direct current, pulse current effect demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166181.5U CN204614313U (en) | 2015-03-17 | 2015-03-17 | Transformer alternating, direct current, pulse current effect demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204614313U true CN204614313U (en) | 2015-09-02 |
Family
ID=53966848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520166181.5U Expired - Fee Related CN204614313U (en) | 2015-03-17 | 2015-03-17 | Transformer alternating, direct current, pulse current effect demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204614313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680906A (en) * | 2015-03-17 | 2015-06-03 | 盐城工业职业技术学院 | Demonstration instrument for effects of transformer on alternating current, direct current and pulse current |
-
2015
- 2015-03-17 CN CN201520166181.5U patent/CN204614313U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680906A (en) * | 2015-03-17 | 2015-06-03 | 盐城工业职业技术学院 | Demonstration instrument for effects of transformer on alternating current, direct current and pulse current |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20180317 |