CN203481902U - Low-voltage power supply USB charger panel - Google Patents

Low-voltage power supply USB charger panel Download PDF

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Publication number
CN203481902U
CN203481902U CN201320637998.7U CN201320637998U CN203481902U CN 203481902 U CN203481902 U CN 203481902U CN 201320637998 U CN201320637998 U CN 201320637998U CN 203481902 U CN203481902 U CN 203481902U
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China
Prior art keywords
circuit
power supply
output
low
voltage
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Expired - Fee Related
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CN201320637998.7U
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Chinese (zh)
Inventor
丘振良
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Individual
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Individual
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Priority to CN201320637998.7U priority Critical patent/CN203481902U/en
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Publication of CN203481902U publication Critical patent/CN203481902U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a low-voltage power supply USB charger panel. The low-voltage power supply USB charger panel is fixed on a wall or mounted on a table surface. The low-voltage power supply USB charger panel mainly comprises a shell which is provided with a charging circuit, a DC-to-DC transformer, a drive control circuit, an overvoltage protection circuit and a constant current and constant voltage detection circuit, wherein the DC-to-DC transformer is connected with the charging circuit through the overvoltage protection circuit; the charging circuit is connected with a USB output interface through the constant current and constant voltage detection circuit and then connected with an electronic device; the charging circuit is also connected with a battery module; and an output of the battery module is electrically connected with the USB output interface. An output circuit is DC output with a voltage between 5V and 42 V; and when the output voltage is DC 5V, an output current is 450-3,000 MA. The low-voltage power supply USB charger panel is selected for use according to factors such as work place, operation conditions, usage manner, power supply modes and circuit conditions. With the above solution, the output voltage can be controlled within a secure scope simply and safely; and the low-voltage power supply USB charger panel is more suitable for supplying electronic products having a plurality of voltage requirements, can storage electric energy, and brings convenience to users.

Description

A kind of low-voltage power supply USB charger panel
Technical field
The utility model relates to a kind of USB charger for electronic equipment charging, in particular low-voltage power supply USB charger panel.
Background technology
The universal use of electronic product, makes people more and more convenient, and the convenience of going on a journey for ease of people, and the product of portable (or being fixed on body of wall and desktop) is more and more subject to people's favor.Many electronic equipments---for example mobile phone, Mp 3 player and digital camera---exchange (AC) adapter and charge by the USB port in computer or by being inserted into USB in wall socket or supply socket.Charging device by the USB port on computer requires computer to open and what also prevent other is for example the ancillary equipment of mouse and memory device access port in use.
For safety, the voltage of port output must be in safe range, therefore can be simply, the effective charging voltage of USB charger is controlled in safe range be the pursuit in industry.
USB charger does not possess the function of storing electricity simultaneously, only has the power supply of connection to charge, and uses a little inconvenient.
Summary of the invention
To achieve these goals, the utility model is by the following technical solutions:
A kind of low-voltage power supply USB charger panel; it is characterized in that: described USB charger mainly comprises a housing; one charging circuit is set in housing, DC turns DC transformer, Drive and Control Circuit, an overvoltage crowbar, a constant current constant voltage testing circuit; wherein said DC turns DC transformer and is connected with charging circuit through overvoltage crowbar; charging circuit is connected with electronic equipment after constant current constant voltage testing circuit is connected with USB output interface, and charging circuit is also connected with power storage module simultaneously.
Described charging circuit mainly comprises rectification circuit, DC rectifying and wave-filtering capacitance network absorbing circuit, output rectifier and filter and Drive and Control Circuit.
The output of described power storage module is electrically connected to USB output interface.
At least one USB interface is set on described housing, and this USB interface is connected with charging circuit respectively, and USB connection money, USB connecting line connecting electronic equipment charge are set in above-mentioned USB interface.
On described charging circuit, also connect a display circuit, on this display circuit, show in real time charged state.
Be output as DC output, voltage is 5V to 42V scope, when output voltage is DC5V, and output current 450-3000MA.This USB charging socket input AC/DC5V to 42V scope, output voltage DC5V, output current 450-3000MA.More should select according to factors such as operation place, operator's condition, occupation mode, supply power mode, line conditions.
A kind of low-voltage power supply USB charger panel of such scheme, can be simple, safe by output voltage control in safe range, more can be suitable for the power supply of the electronic product of multiple voltage demand, can also storing electrical energy, to use, bring convenience.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
A kind of low-voltage power supply USB charger panel as depicted in figs. 1 and 2; mainly comprise a housing; one charging circuit is set in housing, DC turns DC transformer, Drive and Control Circuit, an overvoltage crowbar, a constant current constant voltage testing circuit; wherein said DC turns DC transformer and is connected with charging circuit through overvoltage crowbar; charging circuit is connected with electronic equipment after constant current constant voltage testing circuit is connected with USB output interface, and charging circuit is also connected with power storage module simultaneously.Charging circuit mainly comprises rectification circuit, DC rectifying and wave-filtering capacitance network absorbing circuit, output rectifier and filter and Drive and Control Circuit.
At least one USB interface is set on housing, and a plurality of USB interface are connected with charging circuit respectively, and USB connection money, USB connecting line connecting electronic equipment charge are set in above-mentioned USB interface.
On charging circuit, also connect a display circuit, on this display circuit, show in real time charged state.Output circuit is DC output, and voltage is 5V to 42V scope, when output voltage is DC5V, and output current 450-3000MA.This USB charging socket input AC/DC5V to 42V scope, output voltage DC5V, output current 450-3000MA.More should select according to factors such as operation place, operator's condition, occupation mode, supply power mode, line conditions.
A kind of low-voltage power supply USB charger of such scheme, can be simple, safe by output voltage control in safe range, more can be suitable for the power supply of the electronic product of multiple voltage demand, can also storing electrical energy, to use, bring convenience.

Claims (6)

1. a low-voltage power supply USB charger panel; it is fixed on body of wall or is arranged on desktop; it is characterized in that: described USB charger mainly comprises a housing; one charging circuit is set in housing, DC turns DC transformer, Drive and Control Circuit, an overvoltage crowbar, a constant current constant voltage testing circuit; wherein said DC turns DC transformer and is connected with charging circuit through overvoltage crowbar; charging circuit is connected with electronic equipment after constant current constant voltage testing circuit is connected with USB output interface, and charging circuit is also connected with power storage module simultaneously.
2. a kind of low-voltage power supply USB charger panel according to claim 1, is characterized in that: described charging circuit mainly comprises rectification circuit, DC rectifying and wave-filtering capacitance network absorbing circuit, output rectifier and filter and Drive and Control Circuit.
3. a kind of low-voltage power supply USB charger panel according to claim 1, is characterized in that: the output of described power storage module is electrically connected to USB output interface.
4. a kind of low-voltage power supply USB charger panel according to claim 1, it is characterized in that: at least one USB interface is set on described housing, this USB interface is connected with charging circuit respectively, and USB connection money, USB connecting line connecting electronic equipment charge are set in above-mentioned USB interface.
5. a kind of low-voltage power supply USB charger panel according to claim 1, is characterized in that: on described charging circuit, also connect a display circuit, show in real time charged state on this display circuit.
6. a kind of low-voltage power supply USB charger panel according to claim 1, is characterized in that: output voltage is 5V to 42V scope, when output voltage is DC5V, and output current 450-3000MA.
CN201320637998.7U 2013-10-16 2013-10-16 Low-voltage power supply USB charger panel Expired - Fee Related CN203481902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320637998.7U CN203481902U (en) 2013-10-16 2013-10-16 Low-voltage power supply USB charger panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320637998.7U CN203481902U (en) 2013-10-16 2013-10-16 Low-voltage power supply USB charger panel

Publications (1)

Publication Number Publication Date
CN203481902U true CN203481902U (en) 2014-03-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320637998.7U Expired - Fee Related CN203481902U (en) 2013-10-16 2013-10-16 Low-voltage power supply USB charger panel

Country Status (1)

Country Link
CN (1) CN203481902U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105262348A (en) * 2015-09-25 2016-01-20 江苏峰谷源储能技术研究院有限公司 Handset power adapter
CN110112934A (en) * 2019-06-14 2019-08-09 深圳万向住宅工业有限公司 A kind of low-voltage power supply wall

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105262348A (en) * 2015-09-25 2016-01-20 江苏峰谷源储能技术研究院有限公司 Handset power adapter
CN110112934A (en) * 2019-06-14 2019-08-09 深圳万向住宅工业有限公司 A kind of low-voltage power supply wall

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140312

Termination date: 20141016

EXPY Termination of patent right or utility model