CN204904710U - Alcohol gas sensor characteristic and applied demonstration appearance - Google Patents
Alcohol gas sensor characteristic and applied demonstration appearance Download PDFInfo
- Publication number
- CN204904710U CN204904710U CN201520662354.2U CN201520662354U CN204904710U CN 204904710 U CN204904710 U CN 204904710U CN 201520662354 U CN201520662354 U CN 201520662354U CN 204904710 U CN204904710 U CN 204904710U
- Authority
- CN
- China
- Prior art keywords
- resistance
- integrated package
- pin
- gas sensor
- switch
- 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
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to an alcohol gas sensor characteristic and applied demonstration appearance belongs to physical teaching instrument field, characterized by: the circuit is by DC power supply E, switch S1, resistance R1, alcohol gas sensor B, voltmeter V1, oscillograph Q, resistance R2, transistor T, resistance R3, resistance R4, voltmeter V2, switch S2, integrated package I1, resistance R5, resistance R6, condenser C1, condenser C2, integrated package I2, resistance R7, emitting diode D, buzzer Y constitutes, the integrated package is TWH8778 for the I1, the integrated package is NE555 for the I2, put through at switch S1, demonstrate alcohol gas sensor's characteristic under the switch S2 off -state, at switch S1, switch S2 is the lower characteristic that can demonstrate alcohol gas sensor of on -state, can demonstrate the application of alcohol gas sensor in the life again, the utility model discloses the advantage and the positive effect that have are: simple structure, operation demonstration is convenient.
Description
Technical field
The utility model relates to a kind of alcohol gas sensor characteristic and application demonstrator, belongs to physics educational apparatus field.
Background technology
At present, in physics teaching, not about alcohol gas sensor characteristic and application demonstrator, student can not the characteristic of profound understanding alcohol gas sensor, this demonstration instrument can demonstrate the characteristic of alcohol gas sensor, can demonstrate again the application of alcohol gas sensor in life.
Utility model content
The purpose of this utility model is to provide a kind of alcohol gas sensor characteristic and application demonstrator, can demonstrate the characteristic of alcohol gas sensor, can demonstrate again the application of alcohol gas sensor in life.
The purpose of this utility model is achieved in that circuit is by direct supply E, switch S
1, resistance R
1, alcohol gas sensor B, voltage table V
1, oscillograph Q, resistance R
2, transistor T, resistance R
3, resistance R
4, voltage table V
2, switch S
2, integrated package I
1, resistance R
5, resistance R
6, capacitor C
1, capacitor C
2, integrated package I
2, resistance R
7, light emitting diode D, hummer Y form.It is characterized in that: the positive pole of direct supply E connects switch S
1one end, switch S
1other end connecting resistance R
1one end, resistance R
1the other end meet feeder ear, the resistance R of alcohol gas sensor B simultaneously
3one end and switch S
2one end, the negative pole of the ground connection termination direct supply E of alcohol gas sensor B, the output terminal of alcohol gas sensor B meets voltage table V simultaneously
1one end, resistance R
2one end, voltage table V
1the negative pole of another termination direct supply E, oscillograph Q is connected on voltage table V
1two ends, resistance R
2the base stage of another termination transistor T, the collector connecting resistance R of transistor T
3the other end, the emitter of transistor T is connecting resistance R simultaneously
4one end, voltage table V
2one end and integrated package I
15 pin, resistance R
4the other end and voltage table V
2the other end connect the negative pole of direct supply E, switch S simultaneously
2another termination integrated package I
11 pin, integrated package I
14 pin connect the negative pole of direct supply E, integrated package I
12 pin simultaneously connecting resistance R
5one end, integrated package I
28 pin, integrated package I
24 pin and resistance R
7one end, resistance R
5the other end simultaneously connecting resistance R
6one end, integrated package I
27 pin, resistance R
6the other end meet integrated package I simultaneously
22 pin, integrated package I
26 pin and capacitor C
1one end, capacitor C
1the negative pole of another termination direct supply E, resistance R
7the positive pole of other end sending and receiving optical diode D, the negative pole of light emitting diode D meets integrated package I simultaneously
23 pin, hummer Y one end, the negative pole of another termination direct supply E of hummer Y, integrated package I
25 pin meet capacitor C
2one end, capacitor C
2the other end and integrated package I
21 pin connect the negative pole of direct supply E simultaneously.In switch S
1connection, switch S
2the characteristic of alcohol gas sensor is demonstrated, in switch S under off-state
1, switch S
2all can demonstrate the characteristic of alcohol gas sensor under on-state, the application of alcohol gas sensor in life can be demonstrated again, integrated package I
1with TWH8778, integrated package I
2with NE555, voltage table V
1, oscillograph Q, voltage table V
2be used for demonstrating the characteristic of alcohol gas sensor, light emitting diode D, hummer Y are used for the application of demonstration alcohol gas sensor in life.
Owing to adopting technique scheme, the advantage that the utility model has and good effect are: the characteristic can demonstrating alcohol gas sensor, can demonstrate again the application of alcohol gas sensor in life, 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.
E. direct supply S in figure
1. switch R
1. resistance B. alcohol gas sensor V
1. voltage table Q. oscillograph R
2. resistance T. transistor R
3. resistance R
4. resistance V
2. voltage table S
2. switch I
1. integrated package R
5. resistance R
6. resistance C
1. capacitor C
2. capacitor I
2. integrated package R
7. resistance D. light emitting diode Y. hummer 1. base 2. demonstration board
Embodiment:
In FIG, the positive pole of direct supply (E) meets switch (S
1) one end, switch (S
1) other end connecting resistance (R
1) one end, resistance (R
1) the other end meet feeder ear, the resistance (R of alcohol gas sensor (B) simultaneously
3) one end and switch (S
2) one end, the negative pole of the ground connection termination direct supply (E) of alcohol gas sensor (B), the output terminal of alcohol gas sensor (B) meets voltage table (V simultaneously
1) one end, resistance (R
2) one end, voltage table (V
1) the negative pole of another termination direct supply (E), oscillograph (Q) is connected on voltage table (V
1) two ends, resistance (R
2) the base stage of another termination transistor (T), the collector connecting resistance (R of transistor (T)
3) the other end, the emitter of transistor (T) is connecting resistance (R simultaneously
4) one end, voltage table (V
2) one end and integrated package (I
1) 5 pin, resistance (R
4) the other end and voltage table (V
2) the other end connect the negative pole of direct supply (E), switch (S simultaneously
2) another termination integrated package (I
1) 1 pin, integrated package (I
1) 4 pin connect the negative pole of direct supply (E), integrated package (I
1) 2 pin simultaneously connecting resistance (R
5) one end, integrated package (I
2) 8 pin, integrated package (I
2) 4 pin and resistance (R
7) one end, resistance (R
5) the other end simultaneously connecting resistance (R
6) one end, integrated package (I
2) 7 pin, resistance (R
6) the other end meet integrated package (I simultaneously
2) 2 pin, integrated package (I
2) 6 pin and capacitor (C
1) one end, capacitor (C
1) the negative pole of another termination direct supply (E), resistance (R
7) the positive pole of one end sending and receiving optical diode (D), the negative pole of light emitting diode (D) meets integrated package (I simultaneously
2) 3 pin, hummer (Y) one end, the negative pole of another termination direct supply (E) of hummer (Y), integrated package (I
2) 5 pin meet capacitor (C
2) one end, capacitor (C
2) the other end and integrated package (I
2) 1 pin connect the negative pole of direct supply (E) simultaneously.In switch S
1connection, switch S
2the characteristic of alcohol gas sensor is demonstrated, in switch S under off-state
1, switch S
2all can demonstrate the characteristic of alcohol gas sensor under on-state, the application of alcohol gas sensor in life can be demonstrated again, integrated package I
1with TWH8778, integrated package I
2with NE555, voltage table V
1, oscillograph Q, voltage table V
2be used for demonstrating the characteristic of alcohol gas sensor, light emitting diode D, hummer Y are used for the application of demonstration alcohol gas sensor in life.
Claims (1)
1. alcohol gas sensor characteristic and an application demonstrator, circuit is by direct supply E, switch S
1, resistance R
1, alcohol gas sensor B, voltage table V
1, oscillograph Q, resistance R
2, transistor T, resistance R
3, resistance R
4, voltage table V
2, switch S
2, integrated package I
1, resistance R
5, resistance R
6, capacitor C
1, capacitor C
2, integrated package I
2, resistance R
7, light emitting diode D, hummer Y form, it is characterized in that: the positive pole of direct supply E connects switch S
1one end, switch S
1other end connecting resistance R
1one end, resistance R
1the other end meet feeder ear, the resistance R of alcohol gas sensor B simultaneously
3one end and switch S
2one end, the negative pole of the ground connection termination direct supply E of alcohol gas sensor B, the output terminal of alcohol gas sensor B meets voltage table V simultaneously
1one end, resistance R
2one end, voltage table V
1the negative pole of another termination direct supply E, oscillograph Q is connected on voltage table V
1two ends, resistance R
2the base stage of another termination transistor T, the collector connecting resistance R of transistor T
3the other end, the emitter of transistor T is connecting resistance R simultaneously
4one end, voltage table V
2one end and integrated package I
15 pin, resistance R
4the other end and voltage table V
2the other end connect the negative pole of direct supply E, switch S simultaneously
2another termination integrated package I
11 pin, integrated package I
14 pin connect the negative pole of direct supply E, integrated package I
12 pin simultaneously connecting resistance R
5one end, integrated package I
28 pin, integrated package I
24 pin and resistance R
7one end, resistance R
5the other end simultaneously connecting resistance R
6one end, integrated package I
27 pin, resistance R
6the other end meet integrated package I simultaneously
22 pin, integrated package I
26 pin and capacitor C
1one end, capacitor C
1the negative pole of another termination direct supply E, resistance R
7the positive pole of other end sending and receiving optical diode D, the negative pole of light emitting diode D meets integrated package I simultaneously
23 pin, hummer Y one end, the negative pole of another termination direct supply E of hummer Y, integrated package I
25 pin meet capacitor C
2one end, capacitor C
2the other end and integrated package I
21 pin connect the negative pole of direct supply E, integrated package I simultaneously
1with TWH8778, integrated package I
2use NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662354.2U CN204904710U (en) | 2015-08-25 | 2015-08-25 | Alcohol gas sensor characteristic and applied demonstration appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662354.2U CN204904710U (en) | 2015-08-25 | 2015-08-25 | Alcohol gas sensor characteristic and applied demonstration appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204904710U true CN204904710U (en) | 2015-12-23 |
Family
ID=54926871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520662354.2U Expired - Fee Related CN204904710U (en) | 2015-08-25 | 2015-08-25 | Alcohol gas sensor characteristic and applied demonstration appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204904710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115840A (en) * | 2018-07-12 | 2019-01-01 | 赵秀卿 | Single line carrier type space tester |
-
2015
- 2015-08-25 CN CN201520662354.2U patent/CN204904710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115840A (en) * | 2018-07-12 | 2019-01-01 | 赵秀卿 | Single line carrier type space tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205356150U (en) | Adjustable constant voltage power supply circuit | |
| CN204904710U (en) | Alcohol gas sensor characteristic and applied demonstration appearance | |
| CN201965826U (en) | Demonstration instrument for human body conductivity and low-voltage electric shock | |
| CN202282989U (en) | Electronic cat | |
| CN205428322U (en) | Sound sensor characteristics and applied demonstration appearance | |
| CN204537578U (en) | Self-inductive phenomenon demonstration instrument | |
| CN201156329Y (en) | Alarming demonstration apparatus for resistance wire cutting | |
| CN204117458U (en) | The break alarm circuit of 555 IC design educations | |
| CN208092999U (en) | A kind of vibration module for teaching programming plate | |
| CN205959498U (en) | Voltage comparater delay control principle demonstration instrument | |
| CN205375931U (en) | Acoustooptic controlled delay economize on electricity light switch principle demonstration appearance | |
| CN204257065U (en) | Wet-out phenomenon demonstrator | |
| CN206639479U (en) | 555 integrated package multiplication of voltage function presentation instrument | |
| CN204614313U (en) | Transformer alternating, direct current, pulse current effect demonstrator | |
| CN204808706U (en) | Unijunction transistor , transistor switch on demonstrates appearance with off -state automatic switching characteristic | |
| CN204946447U (en) | 555 time base circuit multivibrator pattern demonstrators | |
| CN105139731A (en) | Solar cell characteristic and application demonstration instrument | |
| CN205943243U (en) | Zener diode working characteristics demonstrates appearance | |
| CN204244073U (en) | A kind of controllable direct current power supply circuit | |
| CN204303229U (en) | Characteristic of photoresistance value and application experiment instrument | |
| CN205122052U (en) | Teaching that constitution was put to integrated fortune is with breathing lamp circuit | |
| CN204720069U (en) | thyristor characteristics and application demonstrator | |
| CN204632206U (en) | Micro charge display | |
| CN204650806U (en) | A kind of rechargeable language teaching answering device | |
| CN203028512U (en) | Movable type training aid for teaching in political education course |
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: 20151223 Termination date: 20160825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |