CN206947657U - A kind of band USB charge function multi-function jacks - Google Patents

A kind of band USB charge function multi-function jacks Download PDF

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Publication number
CN206947657U
CN206947657U CN201720759024.4U CN201720759024U CN206947657U CN 206947657 U CN206947657 U CN 206947657U CN 201720759024 U CN201720759024 U CN 201720759024U CN 206947657 U CN206947657 U CN 206947657U
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China
Prior art keywords
inductance
power supply
output end
electric capacity
port
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Active
Application number
CN201720759024.4U
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Chinese (zh)
Inventor
赖绍武
池应锋
郑沛华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WISDOM ELECTRONICS (XIAMEN) CO Ltd
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WISDOM ELECTRONICS (XIAMEN) CO Ltd
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Priority to CN201720759024.4U priority Critical patent/CN206947657U/en
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Abstract

It the utility model is related to a kind of band USB charge function multi-function jacks, including socket, the socket includes USB output modules and rectification voltage dropping power supply module, the output end of power supply is connected with the input of the rectification voltage dropping power supply module, the output end of the rectification voltage dropping power supply module is connected with the USB output modules, the utility model is integrated with conventional electrical socket and USB power source socket, and Alternating Current Power Supply and direct current supply are combined together, and may be either numerous electric power supplies with USB interface.

Description

A kind of band USB charge function multi-function jacks
Technical field
It the utility model is related to a kind of socket, more particularly to a kind of band USB charge function multi-function jacks.
Background technology
With the raising of people's life water, household electrical appliance are also more and more, at present many small electric apparatus used in people Such as mobile phone, MP3, camera, palm PC, all it is that the power supply of the USB standard mode used makes orchestration to provide power supply, and Different small electric apparatus is equipped with different power supply adaptors, should be with mobile phone again with charger when people are outgoing at present, should For band MP3 again with charger, this is very inconvenient therefore needs a kind of socket circuit that can be adapted to general multiple power sources.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of band USB charge function Multifunctional insertings Seat.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model includes socket, and the socket includes USB output modules and rectification voltage dropping power supply module, power supply it is defeated Go out end to be connected with the input of the rectification voltage dropping power supply module, output end and the USB of the rectification voltage dropping power supply module Output module connects, and the rectification voltage dropping power supply module includes the first inductance, rectifier bridge, electrochemical capacitor, the second inductance, the 3rd electricity Sense, current control core and high frequency transformer, the cathode output end of power supply and the cathode output end of power supply respectively with the rectifier bridge First port connected with second port, the 3rd port of the rectifier bridge is connected with the first port of second inductance, institute The 4th port of rectifier bridge is stated with being grounded after the 3rd inductance connection, short circuit between second inductance and the 3rd inductance There are electrochemical capacitor and the second inductance, the second port of second inductance and the first mutual inductance input of the high frequency transformer First end connects, and the second end of the first mutual inductance input of the high frequency transformer connects with the input of the current control chip Connect, the output end of the current control chip is grounded after being connected with the second mutual inductance input of the high frequency transformer.
Specifically, the USB output modules include the 4th diode, the 3rd electric capacity, the 4th electric capacity, the 9th resistance and the 8th Electric capacity, it is described with the 4th Diode series after the 3rd electric capacity, the 4th electric capacity, the 9th resistance and the series connection of the 8th electric capacity The mutual inductance output end of high frequency transformer is connected with the input of the 4th diode, output end and the electricity of the 4th diode Source output terminal mouth connects.
Specifically, power indicating circuit is provided with the socket, the power indicating circuit includes first resistor and hair Optical diode.
Specifically, the output end of the current control chip is connected in series with the 5th electric capacity, the 6th resistance and the 7th resistance.
The beneficial effects of the utility model are:
The utility model is integrated with conventional electrical socket and USB power source socket, and Alternating Current Power Supply and direct current supply are incorporated in Together, it may be either numerous electric power supplies with USB interface.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model;
Fig. 2 is the circuit diagram of rectification voltage dropping power supply module of the present utility model;
Fig. 3 is the circuit diagram of USB output modules of the present utility model;
Fig. 4 is power indicating circuit schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As illustrated in fig. 1 and 2, the utility model includes socket, and the socket includes USB output modules and rectification voltage dropping power supply Module, the output end of power supply are connected with the input of the rectification voltage dropping power supply module, the rectification voltage dropping power supply module it is defeated Go out end to be connected with the USB output modules, the rectification voltage dropping power supply module includes the first inductance L1, rectifier bridge BD1, electrolysis electricity Hold CD1, the second inductance L2, the 3rd inductance L3, current control chip U1 and high frequency transformer T1, the cathode output end and electricity of power supply The cathode output end in source is connected with the first port and second port of the rectifier bridge BD1 respectively, and the 3rd of the rectifier bridge BD the Port is connected with the first port of the second inductance L2, and the 4th port of the rectifier bridge BD is connected with the 3rd inductance L3 After be grounded, short circuit has electrochemical capacitor CD1 and the second inductance CD2 between the second inductance L2 and the 3rd inductance L3, described Second inductance L2 second port is connected with the first end of the first mutual inductance input of the high frequency transformer T1, and the high frequency becomes Second end of depressor T1 the first mutual inductance input is connected with the input of the current control chip U1, the current control core Piece U1 output end is grounded after being connected with the second mutual inductance input of the high frequency transformer T1.
As shown in figure 3, the USB output modules include the 4th diode D4, the 3rd electric capacity CD3, the 4th electric capacity CD4, the After nine resistance R9 and the 8th electric capacity C8, the 3rd electric capacity CD3, the 4th electric capacity CD4, the 9th resistance R9 and the 8th electric capacity C8 series connection With the 4th Diode series, the mutual inductance output end of the high frequency transformer T1 and the input of the 4th diode D4 connect Connect, the output end of the 4th diode D4 is connected with output port of power source.Transformer T1 secondary output voltages are through over commutation two Pole pipe D4, after the 3rd electric capacity CD3, the 4th electric capacity CD4 and the 8th electric capacity C8 rectifying and wave-filterings, output voltage stabilization be 5VDC ± 5% and 1A.
As shown in figure 4, being provided with power indicating circuit on the socket, the power indicating circuit includes first resistor R1 With LED 1, first resistor R1, LED 1 form power supply instruction module, and instruction USB charge power supplies are led to Disconnected state.
Exchange stream 220V voltages, the first inductance L1, rectifier bridge BD1, electrochemical capacitor CD1, the second inductance L2, the 3rd inductance L3 Rectifying and wave-filtering after, become DC voltage, then by high frequency transformer T1, current control chip U1, voltage is changed into 5V, after being The voltage of level circuit with stable.8th resistance R8 adjusts transformer output current, the electric current by current control chip U1 Control chip U1 output end is connected in series with the 5th electric capacity C5, the 6th resistance R6 and the 7th resistance R7.Pass through current control core Piece U1 adjusts transformer output voltage.Microswitch K1 and shell are combined, it is necessary to which it is switch conduction to charge, it is not necessary to are opened when charging Shut-off is opened, and both plays a part of protection interface, while is power switch again, saves no-load power consumption.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model In the range of shield.

Claims (4)

1. a kind of band USB charge function multi-function jacks, including socket, it is characterised in that:The socket includes USB output modules With rectification voltage dropping power supply module, the output end of power supply is connected with the input of the rectification voltage dropping power supply module, the rectification drop The output end of piezoelectricity source module is connected with the USB output modules, and the rectification voltage dropping power supply module includes the first inductance, rectification Bridge, electrochemical capacitor, the second inductance, the 3rd inductance, current control core and high frequency transformer, the cathode output end of power supply and power supply Cathode output end is connected with the first port and second port of the rectifier bridge respectively, the 3rd port of the rectifier bridge with it is described The first port connection of second inductance, the 4th port of the rectifier bridge after the 3rd inductance connection with being grounded, and described second Short circuit has electrochemical capacitor and the second inductance, second port and the height of second inductance between inductance and the 3rd inductance First mutual inductance input of frequency power transformer first end connection, the second end of the first mutual inductance input of the high frequency transformer with The input connection of the current control chip, the output end of the current control chip and the second of the high frequency transformer mutual It is grounded after sense input connection.
A kind of 2. band USB charge function multi-function jacks according to right 1, it is characterised in that:The USB output modules bag Include the 4th diode, the 3rd electric capacity, the 4th electric capacity, the 9th resistance and the 8th electric capacity, the 3rd electric capacity, the 4th electric capacity, the 9th Resistance and the 8th electric capacity series connection after with the 4th Diode series, the mutual inductance output end of the high frequency transformer and the described 4th The input connection of diode, the output end of the 4th diode are connected with output port of power source.
A kind of 3. band USB charge function multi-function jacks according to right 1, it is characterised in that:It is provided with the socket Power indicating circuit, the power indicating circuit include first resistor and light emitting diode.
A kind of 4. band USB charge function multi-function jacks according to right 1, it is characterised in that:The current control chip Output end be connected in series with the 5th electric capacity, the 6th resistance and the 7th resistance.
CN201720759024.4U 2017-06-27 2017-06-27 A kind of band USB charge function multi-function jacks Active CN206947657U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720759024.4U CN206947657U (en) 2017-06-27 2017-06-27 A kind of band USB charge function multi-function jacks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720759024.4U CN206947657U (en) 2017-06-27 2017-06-27 A kind of band USB charge function multi-function jacks

Publications (1)

Publication Number Publication Date
CN206947657U true CN206947657U (en) 2018-01-30

Family

ID=61366206

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720759024.4U Active CN206947657U (en) 2017-06-27 2017-06-27 A kind of band USB charge function multi-function jacks

Country Status (1)

Country Link
CN (1) CN206947657U (en)

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