CN201608653U - Adjustable voltage-power adapter - Google Patents
Adjustable voltage-power adapter Download PDFInfo
- Publication number
- CN201608653U CN201608653U CN2009202605408U CN200920260540U CN201608653U CN 201608653 U CN201608653 U CN 201608653U CN 2009202605408 U CN2009202605408 U CN 2009202605408U CN 200920260540 U CN200920260540 U CN 200920260540U CN 201608653 U CN201608653 U CN 201608653U
- Authority
- CN
- China
- Prior art keywords
- connects
- circuit
- module
- voltage
- power supply
- 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
Images
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses an adjustable voltage-power adapter, which comprises a power module (15), wherein and the power module (15) comprises AC input (1), an EMI filter circuit (2) and a rectifier filter circuit (3) which are sequentially connected. The utility model is characterized in that the power module (15) is connected with a voltage output adjusting module (16), and the voltage adjusting module (16) is finally connected with an output adapter (12). The power can adjust output DC voltage, is suitable for the voltage needed by different electronic products. The power has simple structure, convenient use and wide application range.
Description
Technical field
The utility model relates to power supply, relates in particular to a kind of DC power source adapter that can regulate output voltage.
Background technology
Along with development of science and technology, individual's accompanied electronic product uses more and more, such as personal electric articles for use such as laptop computer, mobile phone, bluetooth earphone, GPS navigation instrument, every kind of electronic product all attaches specific charge power supply, should be the outer power voltage difference that every kind of required by electronic product is wanted, can not use the unified power supply that uses.If it is use universal charger again electronic product to be taken apart the taking-up battery, very inconvenient.If go out all unusual trouble on the various Power supply belts, and weight is very heavy, takies the bag space, giving needs the people of often trip bring a lot of inconvenience.
The utility model content
The technical problems to be solved in the utility model provides a kind of adjustable output voltage, is fit to the power supply adaptor of each electronic product.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions, it comprises power module, comprising AC input, EMI filter circuit, current rectifying and wave filtering circuit, and be linked in sequence, described power module connects the output voltage adjustment module, and Voltage Regulator Module connects the output conversion head at last.
Below the utility model is described further: described Voltage Regulator Module comprises switch transformer, and switch transformer connects the secondary commutation filter circuit again, and the secondary commutation filter circuit is connected with power supply DC, and the DC that powers is connected with the voltage display module again.
Wherein the secondary commutation filter circuit connects photoelectricity Coupling Control circuit, and photoelectricity Coupling Control circuit connects pwm control circuit again, and pwm control circuit is connected with the switching tube circuit again, and the switching tube circuit connects switch transformer.
Described voltage display module connects the output voltage change-over circuit, and the output voltage change-over circuit connects described photoelectricity Coupling Control circuit again.
The utility model is exported between the conversion head with power supply at rectification module and is connected the output voltage adjustment module, by this module output voltage is regulated, be used for the power supply that different required by electronic product is wanted, delivery outlet at power supply connects the corresponding output conversion head of electronic product, just can be to each electric appliances charging, this power supply architecture is simple, and is easy to use.
Description of drawings
Fig. 1 is each functional module structure schematic diagram of the utility model.
Embodiment
As shown in Figure 1, the utility model comprises power module 15, comprising AC input 1, EMI filter circuit 2, current rectifying and wave filtering circuit 3, and is linked in sequence, described power module 15 connects output voltage adjustment module 16, the Voltage Regulator Module 16 last output conversion heads 12 that connect.Described Voltage Regulator Module 16 comprises switch transformer 4, and switch transformer 4 connects secondary commutation filter circuit 5 again, and secondary commutation filter circuit 5 is connected with power supply DC 6, and power supply DC 6 is connected with voltage display module 7 again; Wherein secondary commutation filter circuit 5 connects photoelectricity Coupling Control circuit 9, and photoelectricity Coupling Control circuit 9 connects pwm control circuit 11 again, and pwm control circuit 11 is connected with switching tube circuit 8 again, and switching tube circuit 8 connects switch transformer 4; Described voltage display module 7 connects output voltage change-over circuit 10, and output voltage change-over circuit 10 connects described photoelectricity Coupling Control circuit 9 again.
Claims (2)
1. adjustable voltage power supply adaptor, comprise power module (15), comprising AC input (1), EMI filter circuit (2), current rectifying and wave filtering circuit (3), and be linked in sequence, it is characterized in that: described power module (15) connects output voltage adjustment module (16), and Voltage Regulator Module (16) connects output conversion head (12) at last.
2. according to the described a kind of adjustable voltage power supply adaptor of claim 1, it is characterized in that: described Voltage Regulator Module (16) comprises switch transformer (4), switch transformer (4) connects secondary commutation filter circuit (5) again, secondary commutation filter circuit (5) is connected with power supply DC (6), and power supply DC (6) is connected with voltage display module (7) again; Wherein secondary commutation filter circuit (5) connects photoelectricity Coupling Control circuit (9), photoelectricity Coupling Control circuit (9) connects pwm control circuit (11) again, pwm control circuit (11) is connected with switching tube circuit (8) again, and switching tube circuit (8) connects switch transformer (4); Described voltage display module (7) connects output voltage change-over circuit (10), and output voltage change-over circuit (10) connects described photoelectricity Coupling Control circuit (9) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202605408U CN201608653U (en) | 2009-11-17 | 2009-11-17 | Adjustable voltage-power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202605408U CN201608653U (en) | 2009-11-17 | 2009-11-17 | Adjustable voltage-power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608653U true CN201608653U (en) | 2010-10-13 |
Family
ID=42953353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202605408U Expired - Fee Related CN201608653U (en) | 2009-11-17 | 2009-11-17 | Adjustable voltage-power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178595A (en) * | 2013-03-14 | 2013-06-26 | 广东欧珀移动通信有限公司 | Mobile phone adapter |
-
2009
- 2009-11-17 CN CN2009202605408U patent/CN201608653U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178595A (en) * | 2013-03-14 | 2013-06-26 | 广东欧珀移动通信有限公司 | Mobile phone adapter |
| CN103178595B (en) * | 2013-03-14 | 2015-06-24 | 广东欧珀移动通信有限公司 | Mobile phone adapter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201956730U (en) | Portable alternating current power supply externally connected with storage battery | |
| CN103647337A (en) | Portable solar mobile power supply for notebook computer | |
| JP3156053U (en) | Power adapter | |
| CN205429767U (en) | Multi -functional emergent charging case of policeman fire control | |
| CN201608653U (en) | Adjustable voltage-power adapter | |
| CN104377789A (en) | Portable multifunctional portable power supply | |
| CN202550631U (en) | USB (Universal Serial Bus) drive-by-wire mobile power supply | |
| CN202488164U (en) | Quick charger | |
| CN204928266U (en) | General voltage adapter | |
| CN203722004U (en) | Power adapter | |
| CN205123372U (en) | Utilize battery charging outfit of WIFI signal | |
| CN206252064U (en) | A kind of solar recharging knapsack | |
| CN201378747Y (en) | Power adapter capable of self-power supply | |
| CN205304351U (en) | Multifunctional charger | |
| CN107634568A (en) | A kind of power supply adaptor | |
| CN202586785U (en) | Universal power adapter | |
| CN204633364U (en) | Charging accounting device | |
| CN204103558U (en) | Portable case type solar DC portable power source | |
| CN209626578U (en) | Twoport charge power supply socket circuit structure based on fast charge agreement | |
| CN203151156U (en) | Mobile power supply having WIFI function | |
| CN208401582U (en) | Become the phone charger that lamp is shown | |
| CN100382407C (en) | Multifunctional power adapter | |
| CN202094685U (en) | Mobile phone charger | |
| CN206575202U (en) | A kind of power supply adaptor | |
| CN201682433U (en) | Hybrid energy power supply equipment |
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: 20101013 Termination date: 20181117 |