CN204537578U - Self-inductive phenomenon demonstration instrument - Google Patents
Self-inductive phenomenon demonstration instrument Download PDFInfo
- Publication number
- CN204537578U CN204537578U CN201520166183.4U CN201520166183U CN204537578U CN 204537578 U CN204537578 U CN 204537578U CN 201520166183 U CN201520166183 U CN 201520166183U CN 204537578 U CN204537578 U CN 204537578U
- Authority
- CN
- China
- Prior art keywords
- switch
- light emitting
- emitting diode
- coil
- self
- 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
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Abstract
The utility model relates to a kind of self-inductive phenomenon demonstration instrument, belongs to physical experiment apparatus field, and circuit is by direct supply E, switch S
1, switch S
2, switch S
3, adjustable resistance R
1, adjustable resistance R
2, coil L
1, coil L
2, light emitting diode D
1, light emitting diode D
2, light emitting diode D
3, light emitting diode D
4, bulb A
1, bulb A
2composition, in switch S
1, switch S
2, switch S
3all demonstrate coil L under off-state
1energising self inductance, in switch S
1, switch S
2, switch S
3all demonstrate coil L under on-state
2self-inductance power phenomenon, the advantage that the utility model has and good effect are: unite two into one, and can demonstrate the energising self inductance of coil, can demonstrate again the self-inductance power phenomenon of coil; Can demonstrate the direction of self inductance current, light emitting diode and bulb can glisten when doing power-off demonstration again, structure is simple, and operation demonstration is convenient simultaneously.
Description
Technical field
The utility model relates to a kind of self-inductive phenomenon demonstration instrument, belongs to physics educational apparatus field.
Background technology
At present, in physics teaching, the demonstration instrument about self inductance is made up of the self-induction that is energized, self-inductance power two parts, can not demonstrate the direction of self inductance current, and doing light emitting diode and bulb when power-off is demonstrated can not glisten simultaneously.This demonstration instrument can unite two into one, and can demonstrate the energising self inductance of coil, can demonstrate again the self-inductance power phenomenon of coil; Can demonstrate the direction of self inductance current, light emitting diode and bulb can glisten when doing power-off demonstration again, demonstrating effect is obvious simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of self-inductive phenomenon demonstration instrument, can demonstrate the energising self-induction of coil, self-inductance power phenomenon.
The purpose of this utility model is achieved in that circuit is by direct supply E, switch S
1, switch S
2, switch S
3, adjustable resistance R
1, adjustable resistance R
2, coil L
1, coil L
2, light emitting diode D
1, light emitting diode D
2, light emitting diode D
3, light emitting diode D
4, bulb A
1, bulb A
2composition.Switch S
2one end, coil L
1one end, adjustable resistance R
2intermediate ends be connected after connect the positive pole of direct supply E, switch S
2the other end connect switch S simultaneously
3one end and coil L
1the other end, light emitting diode D
1negative pole and light emitting diode D
2positive pole be connected after wiring circle L
1the other end, switch S
3other end wiring circle L
2one end, light emitting diode D
1positive pole and light emitting diode D
2negative pole be connected after meet bulb A
1one end, light emitting diode D
3negative pole and light emitting diode D
4positive pole be connected after meet adjustable resistance R
2the other end, light emitting diode D
3positive pole and light emitting diode D
4negative pole be connected after meet bulb A
2one end, coil L
2the other end, bulb A
1the other end, bulb A
2the other end be connected after meet adjustable resistance R
1intermediate ends, adjustable resistance R
1another termination switch S
1one end, switch S
1the negative pole of another termination direct supply E.In switch S
1, switch S
2, switch S
3all demonstrate coil L under off-state
1energising self inductance, in switch S
1, switch S
2, switch S
3all demonstrate coil L under on-state
2self-inductance power phenomenon, light emitting diode is used for demonstrating the direction of self inductance current, and the brightness of bulb is used for demonstration energising self inductance, and bulb and light emitting diode glisten for demonstration self-inductance power phenomenon simultaneously.
Owing to adopting technique scheme, the advantage that the utility model has and good effect are: unite two into one, and can demonstrate the energising self inductance of coil, can demonstrate again the self-inductance power phenomenon of coil; Can demonstrate the direction of self inductance current, light emitting diode and bulb can glisten when doing power-off demonstration again, structure is simple, and operation demonstration is convenient simultaneously.
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.
E. direct supply S in figure
1. switch S
2. switch S
3. switch R
1. adjustable resistance R
2. adjustable resistance L
1. coil L
2. coil D
1. light emitting diode D
2. light emitting diode D
3. optical diode D
4. light emitting diode A
1. bulb A
2. bulb 1. base 2. demonstration board
Embodiment:
In FIG, circuit is by direct supply (E), switch (S
1), switch (S
2), switch (S
3), adjustable resistance (R
1), adjustable resistance (R
2), coil (L
1), coil (L
2), light emitting diode (D
1), light emitting diode (D
2), light emitting diode (D
3), light emitting diode (D
4), bulb (A
1), bulb (A
2) composition.Switch (S
2) one end, coil (L
1) one end, adjustable resistance (R
2) intermediate ends be connected after connect the positive pole of direct supply (E), switch (S
2) the other end meet switch (S simultaneously
3) one end and coil (L
1) the other end, light emitting diode (D
1) negative pole and light emitting diode (D
2) positive pole be connected after wiring circle (L
1) the other end, switch (S
3) other end wiring circle (L
2) one end, light emitting diode (D
1) positive pole and light emitting diode (D
2) negative pole be connected after meet bulb (A
1) one end, light emitting diode (D
3) negative pole and light emitting diode (D
4) positive pole be connected after meet adjustable resistance (R
2) the other end, light emitting diode (D
3) positive pole and light emitting diode (D
4) negative pole be connected after meet (A
2) one end, coil (L
2) the other end, bulb (A
1) the other end, bulb (A
2) the other end be connected after meet adjustable resistance (R
1) intermediate ends, adjustable resistance (R
1) another termination switch (S
1) one end, switch (S
1) the negative pole of another termination direct supply (E).At switch (S
1), switch (S
2), switch (S
3) all demonstrate coil (L under off-state
1) energising self inductance, at switch (S
1), switch (S
2), switch (S
3) all demonstrate coil (L under on-state
2) self-inductance power phenomenon, light emitting diode is used for demonstrating the direction of self inductance current, and the brightness of bulb is used for demonstration energising self inductance, and bulb and light emitting diode glisten for demonstration self-inductance power phenomenon simultaneously.
Claims (1)
1. a self-inductive phenomenon demonstration instrument, circuit is by direct supply E, switch S
1, switch S
2, switch S
3, adjustable resistance R
1, adjustable resistance R
2, coil L
1, coil L
2, light emitting diode D
1, light emitting diode D
2, light emitting diode D
3, light emitting diode D
4, bulb A
1, bulb A
2composition, switch S
2one end, coil L
1one end, adjustable resistance R
2intermediate ends be connected after connect the positive pole of direct supply E, switch S
2the other end connect switch S simultaneously
3one end and coil L
1the other end, light emitting diode D
1negative pole and light emitting diode D
2positive pole be connected after wiring circle L
1the other end, switch S
3other end wiring circle L
2one end, light emitting diode D
1positive pole and light emitting diode D
2negative pole be connected after meet bulb A
1one end, light emitting diode D
3negative pole and light emitting diode D
4positive pole be connected after meet adjustable resistance R
2the other end, light emitting diode D
3positive pole and light emitting diode D
4negative pole be connected after meet A
2one end, coil L
2the other end, bulb A
1the other end, bulb A
2the other end be connected after meet adjustable resistance R
1intermediate ends, adjustable resistance R
1another termination switch S
1one end, switch S
1the negative pole of another termination direct supply E, in switch S
1, switch S
2, switch S
3all demonstrate coil L under off-state
1energising self inductance, in switch S
1, switch S
2, switch S
3all demonstrate coil L under on-state
2self-inductance power phenomenon, light emitting diode is used for demonstrating the direction of self inductance current, and the brightness of bulb is used for demonstration energising self inductance, and bulb and light emitting diode glisten for demonstration self-inductance power phenomenon simultaneously.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520166183.4U CN204537578U (en) | 2015-03-17 | 2015-03-17 | Self-inductive phenomenon demonstration instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520166183.4U CN204537578U (en) | 2015-03-17 | 2015-03-17 | Self-inductive phenomenon demonstration instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204537578U true CN204537578U (en) | 2015-08-05 |
Family
ID=53751550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520166183.4U Expired - Fee Related CN204537578U (en) | 2015-03-17 | 2015-03-17 | Self-inductive phenomenon demonstration instrument |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204537578U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104680907A (en) * | 2015-03-17 | 2015-06-03 | 盐城工业职业技术学院 | Self inductance demonstrating instrument |
-
2015
- 2015-03-17 CN CN201520166183.4U patent/CN204537578U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104680907A (en) * | 2015-03-17 | 2015-06-03 | 盐城工业职业技术学院 | Self inductance demonstrating instrument |
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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: 20150805 Termination date: 20160317 |