CN201947028U - Solar mobile phone charger - Google Patents
Solar mobile phone charger Download PDFInfo
- Publication number
- CN201947028U CN201947028U CN2011200776620U CN201120077662U CN201947028U CN 201947028 U CN201947028 U CN 201947028U CN 2011200776620 U CN2011200776620 U CN 2011200776620U CN 201120077662 U CN201120077662 U CN 201120077662U CN 201947028 U CN201947028 U CN 201947028U
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- CN
- China
- Prior art keywords
- circuit
- reverse
- mobile phone
- connection preventing
- preventing circuit
- 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
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Abstract
The utility model discloses a solar mobile phone charger, which comprises a charging management IC (integrated circuit), an input reverse-connection-preventing circuit and an output reverse-connection-preventing circuit, wherein the charging management IC is electrically connected with the input reverse-connection-preventing circuit which is connected with a DC (direct current) input end, and is electrically connected with the output reverse-connection-preventing circuit which is connected with a current output end. In the utility model, a DC 12V power supply or a DC 24V power supply can be used as an input power supply.
Description
Technical field
The utility model relates to charger, relates in particular to a kind of solar mobile phone charging device.
Background technology
Existing charger for mobile phone, charging need meet AC220V, can't directly use DC12V and DC24V, makes to use to have limitation.
The utility model content
The purpose of this utility model is to provide a kind of DC12V and DC24V of using as the solar mobile phone charging device of importing.
The utility model realizes that the technical scheme of above-mentioned purpose is, a kind of solar mobile phone charging device, comprise Charge Management IC, input reverse-connection preventing circuit and output reverse-connection preventing circuit, described Charge Management IC is electrically connected with the input reverse-connection preventing circuit, described input reverse-connection preventing circuit connects the direct current input, described Charge Management IC is electrically connected with the output reverse-connection preventing circuit, and described output reverse-connection preventing circuit connects current output terminal.
Also comprise indicating circuit, described indicating circuit is electrically connected with Charge Management IC.
Also comprise reduction voltage circuit, described reduction voltage circuit is electrically connected with Charge Management IC.
Described input reverse-connection preventing circuit mainly is made up of diode D5, and described output reverse-connection preventing circuit mainly is made up of diode D4.
Described reduction voltage circuit mainly is made up of resistance R 1 or is made up of the DC-DC voltage conversion device.
Described indicating circuit mainly is made up of three light-emitting diode D1, D2, D3, and the positive pole of described light-emitting diode D1, D2, D3 is electrically connected with Charge Management IC respectively.
The utility model uses Charge Management IC, input reverse-connection preventing circuit and output reverse-connection preventing circuit, and such circuit structure can directly use DC12V and DC24V as input, can enlarge the scope of application, and is easy to utilize.
Description of drawings
Fig. 1 is an electrical block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.
As shown in Figure 1, 2, a kind of solar mobile phone charging device, comprise Charge Management ICU1, input reverse-connection preventing circuit 1 and output reverse-connection preventing circuit 2, described Charge Management ICU1 is electrically connected with input reverse-connection preventing circuit 1, described input reverse-connection preventing circuit 1 connects the direct current input, described Charge Management IC U1 is electrically connected with output reverse-connection preventing circuit 2, and described output reverse-connection preventing circuit 2 connects current output terminal.
Also comprise indicating circuit 3, described indicating circuit 3 is electrically connected with Charge Management IC U1.
Also comprise reduction voltage circuit 4, described reduction voltage circuit 4 is electrically connected with Charge Management IC U1.
Described input reverse-connection preventing circuit 1 mainly is made up of diode D5, and described output reverse-connection preventing circuit 2 mainly is made up of diode D4.
Described reduction voltage circuit 4 mainly is made up of resistance R 1 or is made up of the DC-DC voltage conversion device.
Described indicating circuit 3 mainly is made up of three light-emitting diode D1, D2, D3, and the positive pole of described light-emitting diode D1, D2, D3 is electrically connected with Charge Management ICU1 respectively.
When the utility model uses; can be by storage battery or solar panel power supply; DC12V or DC24V DC power supply are provided; as charge power supply of the present utility model; provide Charge Management IC required operating voltage by reduction voltage circuits such as DC-DC voltage conversion device or resistance; provide the charging current of battery of mobile phone by Charge Management IC, and realize the charged state indication, overcharge function such as overcurrent protection.
Claims (6)
1. solar mobile phone charging device, comprise Charge Management IC (U1), input reverse-connection preventing circuit (1) and output reverse-connection preventing circuit (2), described Charge Management IC (U1) is electrically connected with input reverse-connection preventing circuit (1), described input reverse-connection preventing circuit (1) connects the direct current input, described Charge Management IC (U1) is electrically connected with output reverse-connection preventing circuit (2), and described output reverse-connection preventing circuit (2) connects current output terminal.
2. solar mobile phone charging device according to claim 1 is characterized in that: also comprise indicating circuit (3), described indicating circuit (3) is electrically connected with Charge Management IC (U1).
3. solar mobile phone charging device according to claim 1 is characterized in that: also comprise reduction voltage circuit (4), described reduction voltage circuit (4) is electrically connected with Charge Management IC (U1).
4. solar mobile phone charging device according to claim 1 is characterized in that: described input reverse-connection preventing circuit (1) mainly is made up of diode D5, and described output reverse-connection preventing circuit (2) mainly is made up of diode D4.
5. solar mobile phone charging device according to claim 3 is characterized in that: described reduction voltage circuit (4) mainly is made up of resistance R 1 or is made up of the DC-DC voltage conversion device.
6. solar mobile phone charging device according to claim 2, it is characterized in that: described indicating circuit (3) mainly is made up of three light-emitting diode D1, D2, D3, and the positive pole of described light-emitting diode D1, D2, D3 is electrically connected with Charge Management IC (U1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200776620U CN201947028U (en) | 2011-03-23 | 2011-03-23 | Solar mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200776620U CN201947028U (en) | 2011-03-23 | 2011-03-23 | Solar mobile phone charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201947028U true CN201947028U (en) | 2011-08-24 |
Family
ID=44474364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200776620U Expired - Fee Related CN201947028U (en) | 2011-03-23 | 2011-03-23 | Solar mobile phone charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201947028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014190513A1 (en) * | 2013-05-29 | 2014-12-04 | 吉瑞高新科技股份有限公司 | Charging circuit and method for preventing reversal of charging power supply |
-
2011
- 2011-03-23 CN CN2011200776620U patent/CN201947028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014190513A1 (en) * | 2013-05-29 | 2014-12-04 | 吉瑞高新科技股份有限公司 | Charging circuit and method for preventing reversal of charging power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Huangchuan County Limin Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Huangchuan County Limin Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20140323 |