CN204928319U - Portable power source circuit - Google Patents
Portable power source circuit Download PDFInfo
- Publication number
- CN204928319U CN204928319U CN201520698500.7U CN201520698500U CN204928319U CN 204928319 U CN204928319 U CN 204928319U CN 201520698500 U CN201520698500 U CN 201520698500U CN 204928319 U CN204928319 U CN 204928319U
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- China
- Prior art keywords
- diode
- resistance
- transformer
- winding
- power source
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a portable power source circuit, including resistance R1, transformer W, triode V1 and switch S1, the 220V alternating current is connected to resistance R1's one end, and diode D1 is connected to resistance R1's the other end positive pole and transient voltage restrain diode DW, diode D1's negative pole connecting resistance R2, electric capacity C1 and transformer W's winding N1, transformer W's winding N1's other end connection triode V1's collecting electrode. The utility model discloses portable power source circuit simple structure, components and parts are few, and no chip structure only use essential electronic component to form, so interference immunity is strong to set up spike voltage suppression component in the circuit, increased output voltage's stability, had consequently that the cost of manufacture is low, interference immunity is strong and the advantage of stable performance.
Description
Technical field
The utility model relates to a kind of power supply, specifically a kind of portable power source circuit.
Background technology
The portable mobile apparatus such as mobile phone, panel computer has become a requisite part in people's life, but the shortcoming of this class of electronic devices ubiquity battery durable ability, the appearance of portable power source well solves this problem, but the portable power source ubiquity circuit structure complexity that market occurs causes electric energy loss serious, and charge efficiency is low, the shortcoming of poor stability.
Utility model content
The purpose of this utility model is the portable power source circuit providing a kind of structure simple, easy to use, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of portable power source circuit, comprises resistance R1, transformer W, triode V1 and switch S 1, one end of described resistance R1 connects 220V alternating current, and the other end of resistance R1 connects the anode of diode D1 and the negative electrode contact resistance R2 of transient voltage suppressor diode DW, diode D1, the collector electrode of the other end connecting triode V1 of the winding N1 of the winding N1 of electric capacity C1 and transformer W, transformer W, the other end of the emitter contact resistance R4 of triode V1, resistance R4 connects electric capacity C1, electric capacity C2, the anode of diode D3, the negative electrode of diode D4, the other end of transient voltage suppressor diode DW, the negative pole of storage battery E, the other end of 220V alternating current and output voltage U1, the base stage of triode V1 connects the negative electrode of diode D3 and the winding N2 of transformer W, the other end of the other end contact resistance R2 of the winding N2 of transformer W, resistance R3, the other end of electric capacity C2 and the anode of diode D2, the negative electrode of diode D2 connects positive pole and the switch S 1 of storage battery E, and the other end of switch S 1 connects the other end of output voltage U1.
As preferred version of the present utility model: described diode D4 is light-emitting diode.
Compared with prior art, the beneficial effects of the utility model are: the utility model portable power source circuit structure is simple, components and parts are few, chipless structure, only use basic electronic component composition, therefore strong interference immunity, and be provided with peak voltage suppression element in circuit, increase the stability of output voltage, therefore have that cost of manufacture is low, the advantage of strong interference immunity and stable performance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of portable power source circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of portable power source circuit, comprises resistance R1, transformer W, triode V1 and switch S 1, one end of described resistance R1 connects 220V alternating current, and the other end of resistance R1 connects the anode of diode D1 and the negative electrode contact resistance R2 of transient voltage suppressor diode DW, diode D1, the collector electrode of the other end connecting triode V1 of the winding N1 of the winding N1 of electric capacity C1 and transformer W, transformer W, the other end of the emitter contact resistance R4 of triode V1, resistance R4 connects electric capacity C1, electric capacity C2, the anode of diode D3, the negative electrode of diode D4, the other end of transient voltage suppressor diode DW, the negative pole of storage battery E, the other end of 220V alternating current and output voltage U1, the base stage of triode V1 connects the negative electrode of diode D3 and the winding N2 of transformer W, the other end of the other end contact resistance R2 of the winding N2 of transformer W, resistance R3, the other end of electric capacity C2 and the anode of diode D2, the negative electrode of diode D2 connects positive pole and the switch S 1 of storage battery E, and the other end of switch S 1 connects the other end of output voltage U1.
Diode D4 is light-emitting diode.
Operation principle of the present utility model is: 220V civil power is after R1 step-down, diode D1 rectification, electric capacity C1 leach High-frequency Interference, the half-wave pulsating voltage that peak value is 200V, the cycle is 20ms is produced at the negative pole of diode D1, the peak voltage that transient voltage suppressor diode DW produces for eliminating city's electro-mechanical wave, can by peak voltage clamper to total head.In the half-wave voltage duration, this voltage one tunnel is added to the base stage of triode V2 through resistance R2, pulse transformer W secondary winding N2, makes V2 conducting; Another road is through the elementary N1 winding of W, the two ends of the emitter of V2, collector electrode and negative feedback resistor R4 to electric capacity C2, V2 and W, R4, C2 etc. form blocking oscillator, by the positive feedback effect of transformer W, the pulse voltage of W winding N2 winding induction is after diode D3 rectification, one tunnel isolates accumulators E charging through diode D2, and light-emitting diode D4, through resistance R3 current limliting, is lighted in another road.When needing to use portable power source, only need Closing Switch S1, just can produce stable output voltage U1, diode D4 and D5 is non-return diode, the reverse reflux of electric current during for preventing from charging.
Claims (2)
1. a portable power source circuit, comprises resistance R1, transformer W, triode V1 and switch S 1, is characterized in that, one end of described resistance R1 connects 220V alternating current, and the other end of resistance R1 connects the anode of diode D1 and the negative electrode contact resistance R2 of transient voltage suppressor diode DW, diode D1, the collector electrode of the other end connecting triode V1 of the winding N1 of the winding N1 of electric capacity C1 and transformer W, transformer W, the other end of the emitter contact resistance R4 of triode V1, resistance R4 connects electric capacity C1, electric capacity C2, the anode of diode D3, the negative electrode of diode D4, the other end of transient voltage suppressor diode DW, the negative pole of storage battery E, the other end of 220V alternating current and output voltage U1, the base stage of triode V1 connects the negative electrode of diode D3 and the winding N2 of transformer W, the other end of the other end contact resistance R2 of the winding N2 of transformer W, resistance R3, the other end of electric capacity C2 and the anode of diode D2, the negative electrode of diode D2 connects positive pole and the switch S 1 of storage battery E, and the other end of switch S 1 connects the other end of output voltage U1.
2. a kind of portable power source circuit according to claim 1, is characterized in that, described diode D4 is light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698500.7U CN204928319U (en) | 2015-09-10 | 2015-09-10 | Portable power source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698500.7U CN204928319U (en) | 2015-09-10 | 2015-09-10 | Portable power source circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928319U true CN204928319U (en) | 2015-12-30 |
Family
ID=54977417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520698500.7U Expired - Fee Related CN204928319U (en) | 2015-09-10 | 2015-09-10 | Portable power source circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107392576A (en) * | 2017-07-05 | 2017-11-24 | 佛山杰致信息科技有限公司 | Cloud payment mechanism |
| CN107392607A (en) * | 2017-07-05 | 2017-11-24 | 佛山杰致信息科技有限公司 | Payment system |
| CN107423971A (en) * | 2017-07-05 | 2017-12-01 | 佛山杰致信息科技有限公司 | safety payment system |
-
2015
- 2015-09-10 CN CN201520698500.7U patent/CN204928319U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107392576A (en) * | 2017-07-05 | 2017-11-24 | 佛山杰致信息科技有限公司 | Cloud payment mechanism |
| CN107392607A (en) * | 2017-07-05 | 2017-11-24 | 佛山杰致信息科技有限公司 | Payment system |
| CN107423971A (en) * | 2017-07-05 | 2017-12-01 | 佛山杰致信息科技有限公司 | safety payment system |
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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: 20151230 Termination date: 20180910 |