CN205986663U - Interim power with adjustable - Google Patents
Interim power with adjustable Download PDFInfo
- Publication number
- CN205986663U CN205986663U CN201620598304.7U CN201620598304U CN205986663U CN 205986663 U CN205986663 U CN 205986663U CN 201620598304 U CN201620598304 U CN 201620598304U CN 205986663 U CN205986663 U CN 205986663U
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- winding
- adjustable
- transistor
- accumulator
- transformator
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Abstract
The utility model discloses an interim power with adjustable, the anodal of battery G1 is established ties for switch S1, the end is still adjusted with slide rheostat RP respectively to switch S1's one end, the first winding L1's of transformer T1 primary side one end is connected, slide rheostat RP's stiff end is connected with transistor Q1's base through resistance R1, transistor Q1's collecting electrode is connected with first winding L1's the other end, transistor Q1's projecting pole is connected with battery G1's negative pole, transistor Q1's base still is connected with the secondary winding L2's of transformer T1 primary side one end through electric capacity C1, battery G1's negative pole is connected with secondary winding L2's the other end, the winding L3 both ends of transformer T1 level side are the adjustable voltage output. The utility model discloses a can interim power with adjustable export 0 voltage between the 220V, the circuit is simple, low cost, the teaching demonstration of being convenient for has good application prospect.
Description
Technical field
This utility model is related to a kind of adjustable temporary source, belongs to electronic circuit technology field.
Background technology
At present, voltage-adjustable power on the market, circuit is complicated, cost intensive, and keeps in repair inconvenience, is unsuitable for imparting knowledge to students
During simple illustrative circuitry principle, how to develop adjustable temporary source, be easy to teaching demonstration, be currently needed for solve
Problem.
Utility model content
This utility model purpose is to overcome existing voltage-adjustable power, and circuit is complicated, cost intensive, and keeps in repair
Inconvenience, is unsuitable for the problem of teaching demonstration circuit theory.Adjustable temporary source of the present utility model, is slided by adjustment
Rheostat, can export the voltage between 0-220V, and circuit is simple, with low cost, is easy to teaching demonstration, has good application
Prospect.
In order to achieve the above object, this utility model be employed technical scheme comprise that：
A kind of adjustable temporary source it is characterised in that：Including accumulator G1, transistor Q1, transformator T1 and slip
Rheostat RP, the positive pole of described accumulator G1 is connected as switching S1, one end of described switch S1 also respectively with slide rheostat RP
Adjustable side, one end of the first winding L1 of transformator T1 primary side are connected, and the fixing end of described slide rheostat RP passes through electricity
Resistance R1 is connected with the base stage of transistor Q1, and the colelctor electrode of described transistor Q1 is connected with the other end of the first winding L1, institute
The negative pole of the emitter stage and accumulator G1 of stating transistor Q1 is connected, and the base stage of described transistor Q1 is also by electric capacity C1 and transformation
One end of second winding L2 of device T1 primary side is connected, and the negative pole of described accumulator G1 is connected with the other end of the second winding L2
Connect, the winding L3 two ends of described transformator T1 primary side are adjustable voltage outfan.
A kind of aforesaid adjustable temporary source it is characterised in that：The voltage of described accumulator G1 is 5V.
A kind of aforesaid adjustable temporary source it is characterised in that：One end of described switch S1, the negative pole of accumulator G1
Between be additionally provided with and be parallel with resistance R2, light emitting diode D1, the positive pole of described light emitting diode D1 passes through resistance R2 and switch S1
One end be connected, the described negative pole of light emitting diode D1 is connected with the negative pole of accumulator G1.
A kind of aforesaid adjustable temporary source it is characterised in that：Described transistor Q1 is NPN type oscillistor.
A kind of aforesaid adjustable temporary source it is characterised in that：The winding L3 two ends of described transformator T1 primary side
Adjustable voltage adjustable between 0-220V.
A kind of aforesaid adjustable temporary source it is characterised in that：The winding L3 two ends of described transformator T1 primary side
It is parallel with filter capacitor C2.
The beneficial effects of the utility model are：Adjustable temporary source of the present utility model, by adjusting slip variable resistance
Device, can export the voltage between 0-220V, and circuit is simple, with low cost, is easy to teaching demonstration, before having good application
Scape.
Brief description
Fig. 1 is the circuit theory diagrams of adjustable temporary source of the present utility model.
Specific embodiment
Below in conjunction with Figure of description, this utility model is described further.Following examples are only used for more clear
Chu's ground explanation the technical solution of the utility model, and protection domain of the present utility model can not be limited with this.
As shown in figure 1, adjustable temporary source of the present utility model, including accumulator G1, transistor Q1, transformator T1
With slide rheostat RP, the positive pole of described accumulator G1 is connected as switching S1, and one end of described switch S1 also becomes with sliding respectively
Resistance device RP adjustable side, one end of the first winding L1 of transformator T1 primary side are connected, the fixing end of described slide rheostat RP
It is connected with the base stage of transistor Q1 by resistance R1, the colelctor electrode of described transistor Q1 is connected with the other end of the first winding L1
Connect, the described emitter stage of transistor Q1 is connected with the negative pole of accumulator G1, the base stage of described transistor Q1 is also by electric capacity C1
It is connected with one end of the second winding L2 of transformator T1 primary side, the negative pole of described accumulator G1 is another with the second winding L2's
End is connected, and the winding L3 two ends of described transformator T1 primary side are adjustable voltage outfan.
Described transistor Q1 is NPN type oscillistor, and the voltage of accumulator G1 is 5V, and accumulator G1 exports 5V direct current
Electricity, forms agitator through transistor Q1, transformator T1, the voltage between output 0-220V, by adjusting slide rheostat RP
Resistance, the adjustable voltage at the winding L3 two ends of transformator T1 primary side is adjustable between 0-220V.
It is additionally provided between described switch one end of S1, the negative pole of accumulator G1 and be parallel with resistance R2, light emitting diode D1, institute
State the positive pole of light emitting diode D1 to be connected with one end of switch S1 by resistance R2, the negative pole of described light emitting diode D1 and storage
The negative pole of battery G1 is connected, by using when light emitting diode D1 light, instruction accumulator G1 electricity.
The winding L3 two ends of described transformator T1 primary side are parallel with filter capacitor C2, can filter transformator T1 output electricity
Impurity in pressure.
In sum, adjustable temporary source of the present utility model, by adjusting slide rheostat, can export 0-
Voltage between 220V, circuit is simple, with low cost, is easy to teaching demonstration, has a good application prospect.
Of the present utility model ultimate principle, principal character and advantage have been shown and described above.The technical staff of the industry
It should be appreciated that this utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally
The principle of utility model, on the premise of without departing from this utility model spirit and scope, this utility model also has various change
And improvement, these changes and improvements both fall within the range of claimed this utility model.This utility model claims scope
By appending claims and its equivalent thereof.
Claims (6)
1. a kind of adjustable temporary source it is characterised in that：Including accumulator G1, transistor Q1, transformator T1 and change of sliding
Resistance device RP, the positive pole of described accumulator G1 is connected as switching S1, and one end of described switch S1 is also adjusted with slide rheostat RP respectively
Section end, one end of the first winding L1 of transformator T1 primary side are connected, and the fixing end of described slide rheostat RP passes through resistance
R1 is connected with the base stage of transistor Q1, and the colelctor electrode of described transistor Q1 is connected with the other end of the first winding L1, described
The emitter stage of transistor Q1 is connected with the negative pole of accumulator G1, and the base stage of described transistor Q1 is also by electric capacity C1 and transformator
One end of second winding L2 of T1 primary side is connected, and the negative pole of described accumulator G1 is connected with the other end of the second winding L2
Connect, the winding L3 two ends of described transformator T1 primary side are adjustable voltage outfan.
2. a kind of adjustable temporary source according to claim 1 it is characterised in that：The voltage of described accumulator G1 is
5V.
3. a kind of adjustable temporary source according to claim 1 it is characterised in that：One end of described switch S1, storage
It is additionally provided between the negative pole of battery G1 and is parallel with resistance R2, light emitting diode D1, the positive pole of described light emitting diode D1 passes through electricity
Resistance R2 is connected with one end of switch S1, and the described negative pole of light emitting diode D1 is connected with the negative pole of accumulator G1.
4. a kind of adjustable temporary source according to claim 1 it is characterised in that：Described transistor Q1 is NPN type
Oscillistor.
5. a kind of adjustable temporary source according to claim 1 it is characterised in that：Described transformator T1 primary side
The adjustable voltage at winding L3 two ends is adjustable between 0-220V.
6. a kind of adjustable temporary source according to claim 1 it is characterised in that：Described transformator T1 primary side
Winding L3 two ends are parallel with filter capacitor C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598304.7U CN205986663U (en) | 2016-06-20 | 2016-06-20 | Interim power with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598304.7U CN205986663U (en) | 2016-06-20 | 2016-06-20 | Interim power with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986663U true CN205986663U (en) | 2017-02-22 |
Family
ID=58022212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620598304.7U Expired - Fee Related CN205986663U (en) | 2016-06-20 | 2016-06-20 | Interim power with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059357A (en) * | 2016-06-20 | 2016-10-26 | 苏州华徕光电仪器有限公司 | Adjustable temporary power supply |
-
2016
- 2016-06-20 CN CN201620598304.7U patent/CN205986663U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059357A (en) * | 2016-06-20 | 2016-10-26 | 苏州华徕光电仪器有限公司 | Adjustable temporary power supply |
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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: 20170222 Termination date: 20170620 |