CN2708556Y - Battery charger - Google Patents
Battery charger Download PDFInfo
- Publication number
- CN2708556Y CN2708556Y CNU2004200649165U CN200420064916U CN2708556Y CN 2708556 Y CN2708556 Y CN 2708556Y CN U2004200649165 U CNU2004200649165 U CN U2004200649165U CN 200420064916 U CN200420064916 U CN 200420064916U CN 2708556 Y CN2708556 Y CN 2708556Y
- Authority
- CN
- China
- Prior art keywords
- battery
- circuit
- switching pulse
- charging circuit
- battery charger
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a battery charger, mainly comprising a case and an electronic circuit in the case. The case is provided with two battery charging seats. The electronic circuit includes at least a switch pulse circuit. The low grade of a switch pulse potential transformer in the switch pulse circuit is respectively connected with two battery charging circuits. The output end of a direct current voltage converting module of the ordinary battery charging circuit is connected with a mobile phone rechargeable battery. Because two charging seats are arranged in the device, the battery charger can charge the ordinary rechargeable battery and the mobile phone battery. The two charging seats are connected through the interior electronic circuit. The mobile phone battery can be charged by the ordinary battery under the no power condition. The battery charger is convenient at any locations.
Description
Technical field
The utility model relates to a kind of battery charger, particularly a kind of battery charger that can charge and can charge to battery of mobile phone by common batteries under power free situation common rechargeable battery and battery of mobile phone.
Background technology
At present, generally the rechargeable battery of Shi Yonging has and battery of mobile phone etc. No. 5, No. 7 of A series, and general battery charger structure is that ac plug, switching circuit, shell are formed.Can only when battery charger leaves AC power, can't charge to single rechargeable battery charging to rechargable battery.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, is easy to carry the battery charger that can charge and can charge to battery of mobile phone by common rechargeable battery under power free situation common rechargeable battery and battery of mobile phone.
The purpose of this utility model is achieved in that a kind of battery charger, comprise the electronic circuit in shell 1 and the shell 1, shell 1 is provided with two battery charge seats 2,3, electronic circuit comprises the switching pulse circuit at least, the secondary L3 of the switching pulse transformer in the switching pulse circuit is connected with the charging road of battery DC1, and the secondary L4 of switching pulse transformer is connected with the charging circuit of battery DC2, and the output of the direct voltage modular converter in the battery DC1 charging circuit is connected with rechargable battery DC2.Switching pulse electric routing switch pulse transformer B1, dividing potential drop shunt resistance R1, R2, R3, R4, R5, filter capacitor C1, C2, rectifier diode D1, D3, voltage stabilizing didoe D2, D6, power supply switch tube Q1 constitute.The charging circuit of battery DC1 comprises triode D4, integrated regulator IC1.The charging circuit of battery DC1 and direct voltage modular converter MK1 connect to form the battery booster circuit.Battery DC2 charging circuit is connected to form by switching pulse transformer secondary output L4, diode D5, resistance R 6, voltage-reg-ulator tube Q2.
Battery charger provided by the utility model owing to be provided with two cradles, can charge to common rechargeable battery and battery of mobile phone; Inner electronic circuit connects two cradles, and available common batteries charges to battery of mobile phone under power free situation, convenient travelling and use outside.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
The utility model adopts following structure: a kind of battery charger, comprise the electronic circuit in shell 1 and the shell 1, shell 1 is provided with two battery charge seats 2,3, electronic circuit comprises the switching pulse circuit at least, the secondary L3 of the switching pulse transformer in the switching pulse circuit is connected with the charging circuit of battery DC1, and the secondary L4 of switching pulse transformer is connected with the charging circuit of battery DC2, and the output of the direct voltage modular converter in the battery DC1 charging circuit is connected with rechargable battery DC2.Switching pulse electric routing switch pulse transformer B1, dividing potential drop shunt resistance R1, R2, R3, R4, R5, filter capacitor C1, C2, rectifier diode D1, D3, voltage stabilizing didoe D2, D6, power supply switch tube Q1 constitute.The charging circuit of battery DC1 comprises triode D4, integrated regulator IC1.The charging circuit of battery DC1 and direct voltage modular converter MK1 connect to form the battery booster circuit.Battery DC2 charging circuit is connected to form by switching pulse transformer secondary output L4, diode D5, resistance R 6, voltage-reg-ulator tube Q2.
2 one of cradles can be to No. 5 or No. 7 rechargeable batteries of common A series in two cradles in this device, and another cradle 3 can charge to battery of mobile phone.
In the drawings, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 are the dividing potential drop shunt resistance, and D1, D3, D4, D5 are rectifier diode, and D2, D6 are voltage stabilizing didoe, D7, D8 are light-emitting diode, Q1 is a power supply switch tube, and Q2 is a voltage-reg-ulator tube, and IC1 is an integrated regulator, IC2 is a voltage output control integrated circuit, MK1 is the direct voltage modular converter, and B1 is the switching pulse transformer, and DC1, DC2 are battery.
Switching pulse transformer secondary output L3, diode D4, integrated regulator IC1 in the frame of broken lines connect to form battery DC1 charging circuit, and battery DC1, direct voltage modular converter MK1 connect to form the battery booster circuit.Switching pulse transformer secondary output L4 diode D5 resistance R 6 voltage-reg-ulator tube Q2 connect to form battery DC2 charging circuit.Dividing potential drop shunt resistance R1, R2, R3, R4, R5 filter capacitor C1, C2 rectifier diode D1, D3 voltage stabilizing didoe D2, D6 power supply switch tube Q1 switching pulse transformer B1 connect to form switching circuit.
AC power converts alternating voltage to lower voltage through switching circuit, and one the tunnel adjusts triode Q2 through rectifier diode D5 resistance R 7 voltages gives battery DC2 charging; Charging is given battery DC1 through rectifier diode D4 integrated regulator IC1 in another road.
During AC-less power, the voltage of battery DC1 is given battery DC2 charging through the direct voltage that dc voltage conversion module MK1 converts constant output to, reached with AC power rechargable battery has been charged, the purpose of with battery rechargable battery being charged during AC-less power.
Integrated circuit (IC) 1 adopts 7808 in this device; IC2 adopts HA17358; Dc voltage conversion module MK1 adopts S0305.
Claims (5)
1, a kind of battery charger, comprise the electronic circuit in shell (1) and the shell (1), it is characterized in that: shell (1) is provided with two battery charge seats (2,3), electronic circuit comprises the switching pulse circuit at least, the secondary L3 of the switching pulse transformer in the switching pulse circuit is connected with the charging circuit of battery DC1, and the secondary L4 of switching pulse transformer is connected with the charging circuit of battery DC2, and the output of the direct voltage modular converter in the battery DC1 charging circuit is connected with rechargable battery DC2.
2, battery charger according to claim 1 is characterized in that: switching pulse electric routing switch pulse transformer B1, dividing potential drop shunt resistance R1, R2, R3, R4, R5, filter capacitor C1, C2, rectifier diode D1, D3, voltage stabilizing didoe D2, D6, power supply switch tube Q1 constitutes.
3, battery charger according to claim 1 is characterized in that: the charging circuit of battery DC1 comprises triode D4, integrated regulator IC1.
4, battery charger according to claim 3 is characterized in that: the charging circuit of battery DC1 and direct voltage modular converter MK1 connect to form the battery booster circuit.
5, battery charger according to claim 1 is characterized in that: battery DC2 charging circuit is connected to form by switching pulse transformer secondary output L4, diode D5, resistance R 6, voltage-reg-ulator tube Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200649165U CN2708556Y (en) | 2004-06-11 | 2004-06-11 | Battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200649165U CN2708556Y (en) | 2004-06-11 | 2004-06-11 | Battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2708556Y true CN2708556Y (en) | 2005-07-06 |
Family
ID=34852239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200649165U Expired - Fee Related CN2708556Y (en) | 2004-06-11 | 2004-06-11 | Battery charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2708556Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624046A (en) * | 2012-02-23 | 2012-08-01 | 国彪电源集团有限公司 | Medium-voltage emergency power supply for guaranteeing charge by aid of boosting pulse |
-
2004
- 2004-06-11 CN CNU2004200649165U patent/CN2708556Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624046A (en) * | 2012-02-23 | 2012-08-01 | 国彪电源集团有限公司 | Medium-voltage emergency power supply for guaranteeing charge by aid of boosting pulse |
| CN102624046B (en) * | 2012-02-23 | 2015-03-04 | 国彪电源集团有限公司 | Medium-voltage emergency power supply for guaranteeing charge by aid of boosting pulse |
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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: 20050706 |