CN202817831U - Alternating and direct current dual-purpose mobile phone lithium battery charger - Google Patents
Alternating and direct current dual-purpose mobile phone lithium battery charger Download PDFInfo
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- CN202817831U CN202817831U CN201220470680XU CN201220470680U CN202817831U CN 202817831 U CN202817831 U CN 202817831U CN 201220470680X U CN201220470680X U CN 201220470680XU CN 201220470680 U CN201220470680 U CN 201220470680U CN 202817831 U CN202817831 U CN 202817831U
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Abstract
The utility model provides an alternating and direct current dual-purpose mobile phone lithium battery charger. The charger comprises a 220V alternating current power supply, a transformer B, a full bridge rectifier circuit, a 12V direct current power supply, an alternating and direct current power supply state indicating circuit, a direct current power supply polarity reverse prevention and filter circuit, an integrated voltage regulation circuit, a voltage boost circuit, a lithium battery charging circuit and a state indicating circuit thereof. The alternating and direct current dual-purpose mobile phone lithium battery charger is characterized in that the model of a three-terminal integrated voltage regulator IC1 in the integrated voltage regulation circuit and the voltage boost circuit is LM7806. Due to the fact that the shape and the size of a mobile phone lithium battery are diversified, the mobile phone lithium battery is hardly interchangeably used with others. During outdoor activities, a user often encounters the condition that the mobile phone lithium battery cannot be used due to power shortage. If the user have to answer an important call or look up information or address list and other data in a mobile phone, the problem of the power shortage of the lithium battery in the outdoors is difficult to deal with. The alternating and direct current dual-purpose mobile phone lithium battery charger which is designed and produced according to the phenomenon not only can use the alternating current power supply, but also can use the 12V direct current power supply.
Description
Technical field
The utility model belongs to the charging mobile phone battery technical field, is about the dual-purpose cellular li-ion battery charger of a kind of alterating and direct current.
Background technology
The at present use of mobile phone is very extensive, because profile, the size of cellular li-ion battery are varied, is difficult to each other Alternate.Movable or out of doors during the tourism in the open air, often run into the cellular li-ion battery short of electricity and can not normally use, iff being to call problem fortunately to solve, if when answering important incoming call or consulting in the mobile phone data such as canned data or address list, lithium battery short of electricity problem in the open air is just very difficult to manage.The utility model has designed and produced the dual-purpose cellular li-ion battery charger of a kind of alterating and direct current according to this phenomenon, and this charger both can use AC power, also can use the 12V DC power supply.The advantage such as that its circuit has is practical, good reliability, cost of manufacture are low.The directly power taking the cigar lighter from automobile of this charger 12V DC power supply.
Below describe the dual-purpose cellular li-ion battery charger of alterating and direct current described in the utility model related correlation technique content in implementation process in detail.
The utility model content
Goal of the invention and beneficial effect: because profile, the size of cellular li-ion battery are varied, be difficult to each other Alternate.Movable or out of doors during the tourism in the open air, often run into the cellular li-ion battery short of electricity and can not normally use, iff being to call problem fortunately to solve, if when answering important incoming call or consulting in the mobile phone data such as canned data or address list, lithium battery short of electricity problem in the open air is just very difficult to manage.The utility model has designed and produced the dual-purpose cellular li-ion battery charger of a kind of alterating and direct current according to this phenomenon, and this charger both can use AC power, also can use the 12V DC power supply.The advantage such as that its circuit has is practical, good reliability, cost of manufacture are low.The directly power taking the cigar lighter from automobile of this charger 12V DC power supply.
The operation principle of circuit: the 220V AC power becomes the output of 8V low-voltage AC through transformer B decompression transformation, full-bridge rectification element QZ in full bridge rectifier obtains the 8V direct current, circuit anode VCC is connected to the positive pole of charger lead-out terminal, galvanic negative pole connection circuit ground GND.
The 12V DC power supply can use storage battery on the automobile (as: cigar lighter) as the DC power supply of charger.The 12V DC power supply is by after three terminal integrated voltage stabilizer IC1 (LM7806) voltage stabilizing, stable output voltage is 6V, pass through LED 1 connection circuit ground GND at its common port (the 2nd pin), at this moment burning voltage output can be promoted to 7.8V, and at this moment LED 1 can be used for the indication of 12V DC power supply.
Technical scheme: the dual-purpose cellular li-ion battery charger of alterating and direct current, it is made of 220V AC power, transformer B and full bridge rectifier, 12V DC power supply, alterating and direct current power supply status indicating circuit, anti-DC power supply error-polarity connection and filter circuit, integrated stable voltage circuit and voltage lifting circuit, lithium battery charging circuit and condition indication circuit thereof, and its feature comprises:
Alterating and direct current power supply status indicating circuit: formed by LED 2, resistance R 1, the anodal VCC of the anodal connection circuit of LED 2, the negative pole of LED 2 is by resistance R 1 connection circuit ground GND;
Anti-DC power supply error-polarity connection and filter circuit: formed by silicon rectifier diode D1 and electrochemical capacitor C1, the positive pole of silicon rectifier diode D1 connects the positive pole of 12V DC power supply, the negative pole of silicon rectifier diode D1 connects the positive pole of electrochemical capacitor C1, the negative pole connection circuit ground GND of the negative pole of 12V DC power supply and electrochemical capacitor C1;
Integrated stable voltage circuit and voltage lifting circuit: formed by three terminal integrated voltage stabilizer IC1 and LED 1, the model that three terminal integrated voltage stabilizer IC1 selects is LM7806, the input (the 1st pin) of three terminal integrated voltage stabilizer IC1 three terminal integrated voltage stabilizer IC1 connects the negative pole of silicon rectifier diode D1, the positive pole of the common port of three terminal integrated voltage stabilizer IC1 (the 2nd pin) sending and receiving optical diode LED1, the negative pole connection circuit ground GND of LED 1, the anodal VCC of the output of three terminal integrated voltage stabilizer IC1 (the 3rd pin) connection circuit;
Lithium battery charging circuit and condition indication circuit thereof: formed by silicon rectifier diode D2～D3, super bright LED 3 and charger lead-out terminal, the positive pole of the positive pole of silicon rectifier diode D2 and super bright LED 3 connects the negative pole of charger lead-out terminal, the negative pole of silicon rectifier diode D2 connects the positive pole of silicon rectifier diode D3, the negative pole connection circuit ground GND of the negative pole of silicon rectifier diode D3 and super bright LED 3, the positive pole of lithium battery links to each other with the positive pole of charging lead-out terminal, and the negative pole of lithium battery links to each other with the negative pole of charging lead-out terminal.
The positive pole of full bridge rectifier output links to each other with circuit anode VCC, the negative pole connection circuit ground GND of full bridge rectifier output.
Description of drawings
Embodiment
According to being circuit working schematic diagram and the description of drawings of the dual-purpose cellular li-ion battery charger of alterating and direct current shown in the accompanying drawing 1, and according to the annexation between the components and parts in the described each several part circuit of utility model content, and the components and parts technical parameter described in the execution mode requires to implement to realize the utility model.
The selection of components and parts and technical parameter thereof
QZ is the full-bridge rectification element, and can select 4 models is the silicon rectifier diode of 1N4007;
D1～D3 is silicon rectifier diode, and selecting 3 models is the silicon rectifier diode of 1N4001;
IC1 is three terminal integrated voltage stabilizer, and the model of selecting is LM7806;
LED1, LED2 are light-emitting diode, and selecting diameter is Ф 5 red light emitting diodes; LED3 selects super bright light-emitting diode;
The resistance of resistance R 1 is 820 Ω, and its power is 1/8W;
C1 is electrochemical capacitor, and its capacity is 1000 μ F/25V;
Transformer B is the 220V alternating current transformer, and its power is 4W, and output AC voltage is 8V;
The 12V DC power supply can be used the above batteries of 12V, 2AH.
Making main points and the circuit debugging of circuit
Fairly simple because of the circuit structure of the dual-purpose cellular li-ion battery charger of alterating and direct current, comparison is easy, as long as the components and parts performance of using is intact, the physical connection of components and parts is correct, circuit does not generally need to debug namely and can work;
Three terminal integrated voltage stabilizer IC1 in the utility model circuit, suggestion is preferably it and installs radiator additional;
It is that the lithium battery of 3.7V/500mAH is tested that the utility model is selected rated value, records charging current and is about 180～200mA, and the charging interval can will be full of electric quantity of lithium battery about 2.5～3 hours.
Claims (2)
1. dual-purpose cellular li-ion battery charger of alterating and direct current, it is made of 220V AC power, transformer B and full bridge rectifier, 12V DC power supply, alterating and direct current power supply status indicating circuit, anti-DC power supply error-polarity connection and filter circuit, integrated stable voltage circuit and voltage lifting circuit, lithium battery charging circuit and condition indication circuit thereof, and its feature comprises:
Described alterating and direct current power supply status indicating circuit is comprised of LED 2, resistance R 1, the anodal VCC of the anodal connection circuit of LED 2, and the negative pole of LED 2 is by resistance R 1 connection circuit ground GND;
Described anti-DC power supply error-polarity connection and filter circuit are comprised of silicon rectifier diode D1 and electrochemical capacitor C1, the positive pole of silicon rectifier diode D1 connects the positive pole of 12V DC power supply, the negative pole of silicon rectifier diode D1 connects the positive pole of electrochemical capacitor C1, the negative pole connection circuit ground GND of the negative pole of 12V DC power supply and electrochemical capacitor C1;
Described integrated stable voltage circuit and voltage lifting circuit are comprised of three terminal integrated voltage stabilizer IC1 and LED 1, the model that three terminal integrated voltage stabilizer IC1 selects is LM7806, the negative pole of the 1st pin input termination silicon rectifier diode D1 of three terminal integrated voltage stabilizer IC1, the positive pole of the 2nd pin common port sending and receiving optical diode LED1 of three terminal integrated voltage stabilizer IC1, the negative pole connection circuit ground GND of LED 1, the anodal VCC of the 3rd pin output connection circuit of three terminal integrated voltage stabilizer IC1;
Described lithium battery charging circuit and condition indication circuit thereof are by silicon rectifier diode D2～D3, super bright LED 3 and charger lead-out terminal form, the positive pole of the positive pole of silicon rectifier diode D2 and super bright LED 3 connects the negative pole of charger lead-out terminal, the negative pole of silicon rectifier diode D2 connects the positive pole of silicon rectifier diode D3, the negative pole connection circuit ground GND of the negative pole of silicon rectifier diode D3 and super bright LED 3, the positive pole of lithium battery links to each other with the positive pole of charging lead-out terminal, and the negative pole of lithium battery links to each other with the negative pole of charging lead-out terminal.
2. the dual-purpose cellular li-ion battery charger of alterating and direct current according to claim 1, it is characterized in that: the positive pole of full bridge rectifier output links to each other with circuit anode VCC, the negative pole connection circuit ground GND of full bridge rectifier output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470680XU CN202817831U (en) | 2012-09-16 | 2012-09-16 | Alternating and direct current dual-purpose mobile phone lithium battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470680XU CN202817831U (en) | 2012-09-16 | 2012-09-16 | Alternating and direct current dual-purpose mobile phone lithium battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202817831U true CN202817831U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220470680XU Expired - Fee Related CN202817831U (en) | 2012-09-16 | 2012-09-16 | Alternating and direct current dual-purpose mobile phone lithium battery charger |
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| CN (1) | CN202817831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820689A (en) * | 2012-09-16 | 2012-12-12 | 黄勇 | Alternating current and direct current dual-purpose lithium battery charger for mobile phone |
-
2012
- 2012-09-16 CN CN201220470680XU patent/CN202817831U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820689A (en) * | 2012-09-16 | 2012-12-12 | 黄勇 | Alternating current and direct current dual-purpose lithium battery charger for mobile phone |
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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: 20130320 Termination date: 20130916 |