CN2729998Y - Charging circuit and charger with the charging circuit - Google Patents
Charging circuit and charger with the charging circuit Download PDFInfo
- Publication number
- CN2729998Y CN2729998Y CN 200420071568 CN200420071568U CN2729998Y CN 2729998 Y CN2729998 Y CN 2729998Y CN 200420071568 CN200420071568 CN 200420071568 CN 200420071568 U CN200420071568 U CN 200420071568U CN 2729998 Y CN2729998 Y CN 2729998Y
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- Prior art keywords
- charger
- output
- charging device
- charging
- rechargeable battery
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a charging circuit and a charger with the charging circuit. The charger is provided with an input terminal, an output terminal and a charger main body. The charger main body is provided with the charging circuit. The charging circuit comprises a potential device, a rectification circuit, a voltage regulator, a charge unit and a rechargeable battery. The output terminal of the charge unit is provided with the rechargeable battery and the output terminal of the charger. The alternating current is imported from the input terminal. A stable direct current voltage is formed through the potential device, the rectification circuit and the voltage regulator and supplied to the charge unit, and then the charge unit works. Thus, the electronic device connected with the output terminal of the charger can be charged. At the same time, the rechargeable battery in the charging circuit can be charged. When the charger is not connected with an alternating current power supply, and the power of the electronic device is exhausted, The output terminal of the charger can be plugged in the charging plug jack of the electronic device. Therefore, the full charged rechargeable battery supplies power to the electronic device.
Description
Ji Intraoperative field
The utility model relates to a kind of charger, particularly a kind of design of charger charging circuit.
Bei Jing Ji Intraoperative
For easy to use, general mobile phone all is equipped with traveling charger, this kind charger is provided with input, output and charger body, be provided with charging circuit in the charger body, make the alternating current that offers input convert the direct current of output to by this charging circuit, during the charging of this kind charger, with the charger input with to exchange power for illumination continuous, and the charger output directly links to each other with the mobile phone that battery is housed, and can charge to battery of mobile phone.
But above-mentioned traveling charger has the following disadvantages: when using mobile phone communication, battery of mobile phone does not have electricity, and near do not have AC power can't use charger power supply, thereby have to cutoff call, after another piece battery was changed in shutdown, conversation redialed.So, use very inconvenience, under some urgent or important situation, this situation needs to avoid especially as far as possible.
Summary of the invention
Main purpose of the present utility model provides a kind of charging circuit that is provided with rechargeable battery, and this charging circuit can be powered to the external connected electronic device by the rechargeable battery that has charged under the situation of no alternating current input.
Another main purpose of the present utility model provides a kind of charger, and this charger can still can be powered to electronic installation under the situation of AC-less power.
For reaching above-mentioned main purpose, the utility model adopts following Ji Intraoperative scheme: described charging circuit comprises potential device, rectification circuit, voltage regulator and the charging device that connects successively, alternating current forms a stable DC voltage after by potential device, rectification circuit and voltage regulator and offers charging device, make this charging device work, and the output of charging device can connect an electronic installation, thereby charge to electronic installation, output at charging device also is connected to rechargeable battery, the positive pole of this rechargeable battery links to each other minus earth with the charging device output.
For reaching above-mentioned another order main purpose, the utility model adopts following Ji Intraoperative scheme: described charger comprises input, output and charger body, be provided with a charging circuit in this charger body, this charging circuit comprises the potential device that links to each other successively, rectification circuit, voltage regulator and charging device, alternating current is imported from input, pass through potential device, form a stable DC voltage behind rectification circuit and the voltage regulator and offer charging device, make this charging device work, and the output of charging device links to each other with the charger output, the charger output can connect an electronic installation, thereby charge to electronic installation, output at charging device also is connected to rechargeable battery, the positive pole of this rechargeable battery links to each other minus earth with the charging device output.
After adopting charging circuit of the present utility model and having the charger of this kind charging circuit, because rechargeable battery links to each other with the output of charging device, so when charging device charges to electronic installation, can charge to rechargeable battery simultaneously, when electronic installation does not have under the situation that electricity and AC-less power provide, this rechargeable battery that has been filled with electricity then can be powered to electronic installation.So, when the electronic installation electric energy exhausts, then do not need the look round for AC power or close closing electronic device, directly utilize this rechargeable battery powered getting final product to change battery.
Description of drawings
Below in conjunction with most preferred embodiment and accompanying drawing the utility model being done one describes in detail:
Fig. 1 is the charger stereogram;
Fig. 2 is the utility model charging circuit figure.
Embodiment
Be that example illustrates the utility model with the mobile phone traveling charger still, as shown in Figure 1, charger 1 comprises charger body 11, input 12 and output 13.Wherein be provided with a charging circuit in the charger body 11, after alternating current is input to charging circuit by input 12, form a DC power supply from output 13 outputs, thereby give cell-phone charging.
Figure 2 shows that the utility model charging circuit figure, this charging circuit comprises potential device 100, rectification circuit 200, voltage regulator 300, charging device 400 and rechargeable battery 500.Wherein potential device 100, rectification circuit 200, voltage regulator 300 and charging device 400 are electrically connected successively, potential device 100 inputs link to each other with charger input 12, the output of charging device 400 (BAT) links to each other with charger output 13, the annexation of these inter-modules all is Yi Zhi Ji Intraoperative, do not giving unnecessary details at this, voltage regulator described in the present embodiment 300 is 7805 type adjusters, and charging device 400 then is LTC4052.Output (BAT) at this charging device 400 also is connected to rechargeable battery 500, this rechargeable battery 500 is an electric capacity in the present embodiment, the positive pole of this electric capacity links to each other with the output (BAT) of charging device 400, minus earth, and also be serially connected with an anti-backflow switch 600 and a discharge cock 700 at the output of this charging device 400, the anti-backflow switch 600 of this serial connection and discharge cock 700 are in parallel with rechargeable battery 500, this anti-backflow switch 600 is used to prevent that electric current backflow is to rechargeable battery 500, this anti-backflow switch 600 is a diode in the present embodiment, its positive pole links to each other with the output of charging device 400, negative pole links to each other with discharge cock 700, and discharge cock 700 is used to prevent that charging current is excessive and damage mobile phone and battery of mobile phone.
By having the charger of above-mentioned charging circuit, when charger input 12 links to each other with alternating current, by the charging circuit in the charger body 11, make alternating current through potential device 100, rectification circuit 200, voltage regulator 300 backs form a galvanic current and press to charging device 400, make this charging device 400 work, thereby this charging device 400 can be charged to mobile phone, and when giving this cell-phone charging, charge also can for rechargeable battery 500, when charger input 12 is not connected to alternating current and battery of mobile phone when not having electricity, the output 13 of this charger 1 directly can be inserted in the cell-phone charging jack, then the rechargeable battery 500 in the charger body 11 can or be given charging mobile phone battery to the mobile phone power supply, thereby the occasion at no alternating current also can work on mobile phone with charger, so no longer need to look about AC power or close mobile phone replacing battery, very easy to use, be specially adapted to out of doors or some in emergency circumstances use.
Claims (9)
1, a kind of charging circuit, it comprises potential device, rectification circuit, voltage regulator and the charging device that connects successively, alternating current forms a stable DC voltage after by potential device, rectification circuit and voltage regulator and offers charging device, make this charging device work, thereby give a charge electronic devices that is connected the charging device output, it is characterized in that: the output at charging device also is connected to rechargeable battery, the positive pole of this rechargeable battery links to each other minus earth with the charging device output.
2, charging circuit according to claim 1, it is characterized in that: the output at charging device is connected to the anti-backflow switch, this anti-backflow switch and described rechargeable battery are in parallel, and the positive pole of this anti-backflow switch links to each other with the charging device output, and negative pole directly links to each other with electronic installation.
3, as charging circuit as described in the claim 2, it is characterized in that: described anti-backflow switch is a diode.
4, charging circuit according to claim 1, it is characterized in that: the output at charging device is connected to discharge cock, and this discharge cock and described rechargeable battery are in parallel.
5, a kind of charger of charging circuit according to claim 1 that has, it comprises input, output and charger body, be provided with a charging circuit in this charger body, this charging circuit comprises potential device consecutively connected to each other, rectification circuit, voltage regulator and charging device, alternating current is imported from input, pass through potential device successively, form a stable DC voltage behind rectification circuit and the voltage regulator and offer charging device, make charging device work, and the output of charging device links to each other with the charger output, the charger output can connect an electronic installation, thereby charge to electronic installation, it is characterized in that: the output at charging device also is connected to rechargeable battery, the positive pole of this rechargeable battery links to each other minus earth with the charging device output.
6, as charger as described in the claim 5, it is characterized in that: described electronic installation is a mobile phone.
7, as charger as described in the claim 5, it is characterized in that: the output at charging device is connected to the anti-backflow switch, this anti-backflow switch and described rechargeable battery are in parallel, and the positive pole of this anti-backflow switch links to each other with the charging device output, and negative pole links to each other with the charger output.
8, as charger as described in the claim 7, it is characterized in that: described anti-backflow switch is a diode.
9, as charger as described in the claim 5, it is characterized in that: the output at charging device is connected to discharge cock, and this discharge cock and described rechargeable battery are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071568 CN2729998Y (en) | 2004-07-16 | 2004-07-16 | Charging circuit and charger with the charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071568 CN2729998Y (en) | 2004-07-16 | 2004-07-16 | Charging circuit and charger with the charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729998Y true CN2729998Y (en) | 2005-09-28 |
Family
ID=35048771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420071568 Expired - Fee Related CN2729998Y (en) | 2004-07-16 | 2004-07-16 | Charging circuit and charger with the charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729998Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474216A (en) * | 2017-09-08 | 2019-03-15 | 核工业西南物理研究院 | Impulse generator group electric braking power supply |
| CN111120384A (en) * | 2019-12-30 | 2020-05-08 | 佛山市顺德区蚬华多媒体制品有限公司 | Self-adaptive control circuit and fan |
-
2004
- 2004-07-16 CN CN 200420071568 patent/CN2729998Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474216A (en) * | 2017-09-08 | 2019-03-15 | 核工业西南物理研究院 | Impulse generator group electric braking power supply |
| CN111120384A (en) * | 2019-12-30 | 2020-05-08 | 佛山市顺德区蚬华多媒体制品有限公司 | Self-adaptive control circuit and fan |
| CN111120384B (en) * | 2019-12-30 | 2021-08-31 | 佛山市顺德区蚬华多媒体制品有限公司 | Self-adaptive control circuit and fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 Termination date: 20120716 |