CN103825313A - Vehicle-mounted charging system - Google Patents
Vehicle-mounted charging system Download PDFInfo
- Publication number
- CN103825313A CN103825313A CN201210465852.9A CN201210465852A CN103825313A CN 103825313 A CN103825313 A CN 103825313A CN 201210465852 A CN201210465852 A CN 201210465852A CN 103825313 A CN103825313 A CN 103825313A
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- load
- unit
- charging
- connect
- detecting
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- 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.)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a vehicle-mounted charging system which includes a DC-DC unit connected with an automobile battery; a charging unit which is connected with the DC-DC unit and connected with a to-be-charged load through a USB interface and used for charging the load; a load voltage detection unit which is connected with the to-be-charged load and used for detecting the voltage change of the load; a load current detection unit which is connected with the to-be-charged load and used for detecting the current change of the load; a charging control unit which is connected with the load voltage detection unit and the load current detection unit and used for controlling charging according to the detected voltage and current; and an overload protection unit which is used for performing protection when the detected voltage and current exceed an overload protection preset limit value. The vehicle-mounted charging system is safe and reliable in charging and convenient and practical.
Description
Technical field
The present invention relates to a kind of on-board charging system.
Background technology
Onboard charger is indispensable device in people's daily life, existing on-board charging system charges as GPS, MP3, mobile phone etc. to load by automobile storage battery power supply being carried out realize after DC voltage conversion conventionally, various load charging inlets are different, and a kind of reliable and practical on-board charging system with compatible various load charging inlets will have broad application prospects.
Summary of the invention
The present invention is directed to the proposition of above problem, and reliably mobile phone charging system easily of development one.
Technological means of the present invention is as follows:
A kind of on-board charging system, is characterized in that comprising:
Connect the DC-DC unit of automobile storage battery;
Connect DC-DC unit and be connected with charging load by USB interface, for the charhing unit that load is charged;
Connect charging load, for load voltage being changed to the load voltage detecting unit detecting;
Connect charging load, for load current being changed to the load current detection unit detecting;
Connect load voltage detecting unit and load current detection unit, for the charging control unit of charging according to the electric current and voltage control detecting;
Connect charging control unit, for the overload protection unit of protecting in the time that the electric current and voltage detecting exceedes overload protection preset limit value.
In addition, also comprise connection charging load, be used to indicate the display unit of charged state.
Owing to having adopted technique scheme; a kind of on-board charging system provided by the invention; by utilizing charhing unit output to be provided with USB interface; can compatible various loads complete charging; highly versatile, and be provided with the detecting unit of real-time detection load voltage electric current and feed back to charging control unit in case can intelligence complete charging process according to loading condition, be also provided with and connect the overload protection unit of charging control unit; there is over-voltage over-current protection and guarantee that charging is safe and reliable, convenient and practical.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Embodiment
A kind of on-board charging system as shown in Figure 1, comprising:
Connect the DC-DC unit of automobile storage battery;
Connect DC-DC unit and be connected with charging load by USB interface, for the charhing unit that load is charged;
Connect charging load, for load voltage being changed to the load voltage detecting unit detecting;
Connect charging load, for load current being changed to the load current detection unit detecting;
Connect load voltage detecting unit and load current detection unit, for the charging control unit of charging according to the electric current and voltage control detecting;
Connect charging control unit, for the overload protection unit of protecting in the time that the electric current and voltage detecting exceedes overload protection preset limit value.
In addition, also comprise connection charging load, be used to indicate the display unit of charged state.
A kind of on-board charging system provided by the invention; by utilizing charhing unit output to be provided with USB interface; can compatible various loads complete charging; highly versatile; and be provided with the detecting unit of real-time detection load voltage electric current and feed back to charging control unit in case can intelligence complete charging process according to loading condition; also be provided with the overload protection unit that connects charging control unit, there is over-voltage over-current protection and guarantee that charging is safe and reliable, convenient and practical.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (2)
1. an on-board charging system, is characterized in that comprising:
Connect the DC-DC unit of automobile storage battery;
Connect DC-DC unit and be connected with charging load by USB interface, for the charhing unit that load is charged;
Connect charging load, for load voltage being changed to the load voltage detecting unit detecting;
Connect charging load, for load current being changed to the load current detection unit detecting;
Connect load voltage detecting unit and load current detection unit, for the charging control unit of charging according to the electric current and voltage control detecting;
Connect charging control unit, for the overload protection unit of protecting in the time that the electric current and voltage detecting exceedes overload protection preset limit value.
2. a kind of on-board charging system according to claim 1, characterized by further comprising connection charging load, is used to indicate the display unit of charged state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465852.9A CN103825313A (en) | 2012-11-16 | 2012-11-16 | Vehicle-mounted charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465852.9A CN103825313A (en) | 2012-11-16 | 2012-11-16 | Vehicle-mounted charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103825313A true CN103825313A (en) | 2014-05-28 |
Family
ID=50760233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210465852.9A Pending CN103825313A (en) | 2012-11-16 | 2012-11-16 | Vehicle-mounted charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103825313A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490338A (en) * | 2015-12-28 | 2016-04-13 | 华晨汽车集团控股有限公司 | Vehicle charging apparatus |
| CN107089158A (en) * | 2017-03-28 | 2017-08-25 | 深圳市华宝新能源股份有限公司 | Lithium battery car, which is filled, to be put |
-
2012
- 2012-11-16 CN CN201210465852.9A patent/CN103825313A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490338A (en) * | 2015-12-28 | 2016-04-13 | 华晨汽车集团控股有限公司 | Vehicle charging apparatus |
| CN107089158A (en) * | 2017-03-28 | 2017-08-25 | 深圳市华宝新能源股份有限公司 | Lithium battery car, which is filled, to be put |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140528 |