CN101882730A - Power supply socket with USB interface - Google Patents
Power supply socket with USB interface Download PDFInfo
- Publication number
- CN101882730A CN101882730A CN2009101072114A CN200910107211A CN101882730A CN 101882730 A CN101882730 A CN 101882730A CN 2009101072114 A CN2009101072114 A CN 2009101072114A CN 200910107211 A CN200910107211 A CN 200910107211A CN 101882730 A CN101882730 A CN 101882730A
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- circuit
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- usb interface
- power supply
- supply socket
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Abstract
The invention discloses a power supply socket with a USB interface, which comprises a box body, the box body is internally provided with a power supply basal body connected with a power supply, the power supply basal body is provided with a power supply socket hole and at least one USB interface, a USN interface hole is connected with the power supply through a charging circuit, the charging circuit comprises an EMI circuit, a rectification/filter circuit, a power changing circuit and an output circuit, and the power supply is connected with the USN interface through the charging circuit which sequentially consists of the EMI circuit, the rectification/filter circuit, the power changing circuit and the output circuit. The power supply socket with the USB interface of the invention can be widely arranged on the walls of houses, offices, hotels, public places and the like, and provides convenience for the electronic products and equipment needing the USB interface for supplying power, and when going out, by only carrying a connecting cable with a USB port, the user can conveniently get the needed power from the power supply socket.
Description
Technical field:
The present invention relates to a kind of supply socket, particularly relate to the supply socket of UBS interface.
Background technology:
Usually the supply socket great majority of installing in family or office are the supply socket of civil power, the various plug passes of output AC 220V only are provided, but the high speed development of electronic technology, today that electronic product emerges in an endless stream, in these miniaturization of electronic products and the integrated development process, the general-purpose serial bus USB interface that has power supply and data transport functions concurrently is adopted by increasing electronic product, mobile phone for example, digital camera, MP3, MP4 and PSP etc., wherein a lot of these series products can be powered by USB interface, carry out work or be battery charge, certainly these electronic products need be connected with other power supplys that have USB interface by the USB connecting line, power source special transducer such as computer or USB interface, this no doubt can keep the normal use of above-mentioned electronic product, but for the power supply changeover device that carries the connecting line that is provided with USB port simultaneously and have a USB port also is a not thing very easily, if forget sometimes, to directly can have influence on normal use, especially travel outside, can bring inconvenience to the user.
Summary of the invention:
The objective of the invention is to provide a kind of supply socket that has USB interface, can power to electronic product by USB interface, and simple in structure, easy to use.
Solution of the present invention to achieve the above object is:
A kind of supply socket with USB interface, comprise box body, in box body, be provided with the power supply matrix that is connected with power supply, the supply socket hole is set on the power supply matrix, it is characterized in that: the power supply matrix is provided with at least one USB interface, and this USB interface aperture charging circuit is connected with power supply.
Described charging circuit is made up of EMI circuit, rectifying/filtering circuit, power conversion circuit and output circuit, and power supply is connected with USB interface through EMI circuit, rectifying/filtering circuit, power conversion circuit and the output circuit charging circuit of forming that is linked in sequence.
Also comprise a voltage stabilizing circuit, this voltage stabilizing circuit controls signal to the PMW control circuit through sample circuit with output one after output circuit is connected, the work of PMW control circuit output pulse signal power controlling translation circuit.
Also comprise a current-limiting protection circuit, the output of current-limiting protection circuit connects output circuit, and output connects the PMW control circuit, the work of PMW control circuit output signal power controlling translation circuit.
Also comprise an overvoltage crowbar, the output of overvoltage crowbar connects output circuit, and output connects the PMW control circuit, the work of PMW control circuit output signal power controlling translation circuit.
Described rectifying/filtering circuit connects the PMW control circuit, and output one controls signal to power conversion circuit behind the signal of PMW control circuit reception rectifying/filtering circuit, the work of power controlling translation circuit.
One rectifying/filtering circuit is set between described power conversion circuit and the output circuit.
When the supply socket of band USB interface of the present invention is used, only need the supply socket of band USB interface is electrically connected with mains supply, just can give for example mobile phone, digital camera, MP3, MP4 and PSP charging, they are charged or operate as normal.Have the supply socket of USB interface, can be installed on family, office, hotel, public place etc. widely locates, provide convenience for needs use the electronic product and the equipment of USB interface power supply, and gone out to carry the connecting line that is provided with USB port and just can obtain required power supply supply from supply socket easily.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is control principle figure of the present invention;
Fig. 4 is circuit theory diagrams of the present invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing
A kind of supply socket as depicted in figs. 1 and 2 with USB interface, comprise a box body 1, in box body 1, be provided with power supply matrix 2, power supply matrix 2 is connected with power supply through power line 4, supply socket hole 3 and USB interface 5 and USB interface 6 are set on the power supply matrix 2, and USB interface 5 is connected with power supply through charging circuit with USB interface 6.
As 3 and shown in Figure 4, charging circuit is made up of EMI circuit, rectifying/filtering circuit, power conversion circuit and output circuit, and power supply is connected with USB interface through the charging circuit that EMI circuit, rectifying/filtering circuit, power conversion circuit and output circuit are linked in sequence; One rectifying/filtering circuit is set simultaneously, in order to provide level and smooth waveform to output circuit between power conversion circuit and output circuit.
For stability and the antijamming capability that charging circuit is provided, a voltage stabilizing circuit controls signal to the PMW control circuit through sample circuit with output one after output circuit is connected, the work of PMW control circuit output pulse signal power controlling translation circuit.Have the output of a current-limiting protection circuit to connect output circuit again, output connects the PMW control circuit, the work of PMW control circuit output signal power controlling translation circuit.One overvoltage crowbar, the output of overvoltage crowbar connects output circuit, and output connects the PMW control circuit, the work of PMW control circuit output signal power controlling translation circuit.
Wherein rectifying/filtering circuit also connects the PMW control circuit, output one controls signal to power conversion circuit behind the signal of PMW control circuit reception rectifying/filtering circuit, the work of power controlling translation circuit, above-mentioned protection can guarantee the use of the normal safety of supply socket.
The present invention has integrated in the supply socket of USB interface, can be installed on the metope of locating in family, office, hotel, public place etc. widely, provide convenience for needs use the electronic product and the equipment of USB interface power supply, and gone out to carry the connection cable that is provided with USB port and just can obtain required power supply supply from supply socket easily.
Claims (6)
1. supply socket with USB interface, comprise box body, in box body, be provided with the power supply matrix that is connected with power supply, the supply socket hole is set on the power supply matrix, it is characterized in that: the power supply matrix is provided with at least one USB interface, and this USB interface aperture charging circuit is connected with power supply; Described charging circuit is made up of EMI circuit, rectifying/filtering circuit, power conversion circuit and output circuit, and power supply is connected with USB interface through EMI circuit, rectifying/filtering circuit, power conversion circuit and the output circuit charging circuit of forming that is linked in sequence.
2. a kind of supply socket according to claim 1 with USB interface, it is characterized in that: also comprise a voltage stabilizing circuit, this voltage stabilizing circuit controls signal to the PMW control circuit through sample circuit with output one after output circuit is connected, the work of PMW control circuit output pulse signal power controlling translation circuit.
3. a kind of supply socket according to claim 1 with USB interface; it is characterized in that: also comprise a current-limiting protection circuit; the output of current-limiting protection circuit connects output circuit, and output connects the PMW control circuit, the work of PMW control circuit output signal power controlling translation circuit.
4. a kind of supply socket according to claim 1 with USB interface; it is characterized in that: also comprise an overvoltage crowbar; the output of overvoltage crowbar connects output circuit, and output connects the PMW control circuit, the work of PMW control circuit output signal power controlling translation circuit.
5. a kind of supply socket according to claim 1 with USB interface, it is characterized in that: described rectifying/filtering circuit connects the PMW control circuit, output one controls signal to power conversion circuit behind the signal of PMW control circuit reception rectifying/filtering circuit, the work of power controlling translation circuit.
6. a kind of supply socket with USB interface according to claim 1 is characterized in that: a rectifying/filtering circuit is set between described power conversion circuit and the output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101072114A CN101882730A (en) | 2009-05-05 | 2009-05-05 | Power supply socket with USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101072114A CN101882730A (en) | 2009-05-05 | 2009-05-05 | Power supply socket with USB interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101882730A true CN101882730A (en) | 2010-11-10 |
Family
ID=43054666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101072114A Pending CN101882730A (en) | 2009-05-05 | 2009-05-05 | Power supply socket with USB interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101882730A (en) |
-
2009
- 2009-05-05 CN CN2009101072114A patent/CN101882730A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101110 |