CN2879501Y - Two-use side charger - Google Patents
Two-use side charger Download PDFInfo
- Publication number
- CN2879501Y CN2879501Y CNU2006200402142U CN200620040214U CN2879501Y CN 2879501 Y CN2879501 Y CN 2879501Y CN U2006200402142 U CNU2006200402142 U CN U2006200402142U CN 200620040214 U CN200620040214 U CN 200620040214U CN 2879501 Y CN2879501 Y CN 2879501Y
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- circuit
- diode
- lithium battery
- resistance
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Abstract
The present utility model discloses a two-use side charger comprising a commercial power rectification isolating switch type reduction voltage circuit A, a lithium battery charging and discharging protection circuit G, a direct current switch type boosting circuit C, a lithium battery charging protection and display control circuit D and a charging interface F, wherein the commercial power rectification isolating switch type reduction voltage circuit A is connected to the charging and discharging protection circuit G, the lithium battery charging and discharging protection circuit G is connected to the direct current switch type boosting circuit C, the direct current switch type boosting circuit C is connected to the lithium battery charging protection and display control circuit D, the lithium battery charging protection and display control circuit D is connected to the charging interface F. The present utility model collectes a lithium battery board emergency responsive charging mode aiming to a plurality of side electronic equipments and using high capacity lithium battery displaced therein through a circuit conversion boosting and a charging mode using commercial power integrally into a whole, is capable of being used safely, effectively and conveniently, with a reasonable structure and a compact and flexible shape.
Description
Technical field
The utility model relates to the charger technical field, particularly a kind of battery, the dual-purpose carry-on charger of civil power.
Background technology
Develop rapidly along with microelectric technique and mechanics of communication, accompanied electronic equipment such as mobile phone, palmtop PC, carry-on movie theatre, portable commercial machine are quite universal at present, people press for a kind of multifunctional carry-on charger that can adapt to multiple accompanied electronic equipment lithium battery plate emergent charging, existing charger generally all need have under the situation of mains supply, just can finish charging to electronic equipment lithium battery plate, and the lithium battery plate capacity in the general existing equipment is less, and flying power is poor.Therefore, often do not influence use or work, bring inconvenience to use because of battery has electricity.
Summary of the invention
The purpose of this utility model is a kind of dual-purpose carry-on charger that can also strengthen the battery flying power to multiple accompanied electronic equipment lithium battery plate emergent charging at double that provides at the deficiencies in the prior art.
The purpose of this utility model is achieved through the following technical solutions:
A kind of dual-purpose carry-on charger; it comprises commercial power rectification isolating switch formula reduction voltage circuit A, lithium battery charge and discharge protective circuit G, dc switch formula booster circuit C, lithium cell charging protection and display control circuit D and charging inlet F; commercial power rectification isolating switch formula reduction voltage circuit A meets lithium battery charge and discharge protective circuit G; lithium battery charge and discharge protective circuit G meets dc switch formula booster circuit C, dc switch formula booster circuit C and meets lithium cell charging protection and display control circuit D, and lithium cell charging protection and display control circuit D meet charging inlet F.
Described commercial power rectification isolating switch formula reduction voltage circuit A comprises plug M, insurance RI
1, diode D
1～D
4, D
5, electrochemical capacitor C
1, C
2, transformer B and switched mode boost circuit IC
1Wherein the plug serial connection is insured RI
1Back and diode D
1～D
4The bridge rectifier of forming connects, the output cathode of bridge rectifier and negative pole respectively with capacitor C
1Corresponding back and the IC circuit of connecting of anodal negative pole
1The direct-flow input end parallel connection, IC circuit
1Output be connected with the input of transformer B, the output of transformer B is through diode D
5Back and capacitor C
2Parallel connection, capacitor C
2Minus earth.
Described lithium battery charge and discharge protective circuit G comprises lithium battery E, charge-discharge protection circuit IC
2And diverter switch SW two contact DC, AC; IC circuit wherein
2Input and capacitor C
2Parallel connection, IC circuit
2The contact DC of output termination diverter switch SW, the contact AC of switch SW and diode D
5Negative pole connects, the anodal connection circuit IC of lithium battery E
2Power input, minus earth.
Described DC boosting formula switching circuit C comprises integrated circuit (IC)
3, inductance L, resistance R
SC, diode D
6, electrochemical capacitor C
4With oscillating capacitance C
3Resistance R wherein
SCOne end is connected with diverter switch SW, and the other end is connected back and IC circuit with inductance L
3Connect the other end connection circuit IC of inductance L
3Output, and through diode D
6Back and electrochemical capacitor C
4In parallel.
Described lithium cell charging protection and display control circuit D comprise integrated circuit (IC)
4, triode V1, V2, V3, LED
1, LED
2, resistance R
1, R
2, R
3, R
4, R
5, diode D
7, the insurance RI
2Integrated circuit (IC) wherein
4Direct-flow input end and electrochemical capacitor C
4Parallel connection, charging output and diode D
7Anodal connection, IC circuit
4Output a end and resistance R
2Connect resistance R
2The other end and triode V
1Base stage connects, triode V
1, V
2, V
3Emitter ground connection respectively, triode V
1Collector electrode and triode V
2Base stage connects back and resistance R
1Connect resistance R
1The other end and diode D
7Negative pole connects, diode D
7Negative pole connects charging inlet F, resistance R
3, R
4One end connects back and triode V
2Collector electrode connects, resistance R
3The other end and triode V
3Base stage connects, triode V
3Collector electrode connecting resistance R
5One end, resistance R
5The other end and LED
2Negative pole connects; Resistance R
4Other end sending and receiving optical diode LED
1Negative pole, LED
1, LED
2Positive pole meet diode D after connecting
7Negative pole, IC circuit
4Output b end and triode V
2Collector electrode connects, insurance RI
2One termination charging inlet F, an end ground connection.
The utility model will utilize built-in high power capacity lithium battery after circuit conversion is boosted to the lithium battery plate emergent charging mode of multiple accompanied electronic equipment and utilize commercial power charged mode collection to be one, rational in infrastructure, profile is small and exquisite flexibly, and is safe in utilization, efficient, convenient.
Description of drawings
Accompanying drawing is the utility model circuit structure diagram
Embodiment
Consult accompanying drawing, the utility model comprises commercial power rectification isolating switch formula reduction voltage circuit A, built-in lithium battery charge-discharge protection circuit G, dc switch formula booster circuit C, lithium cell charging protection and display control circuit D and charging inlet F.Commercial power rectification isolating switch formula reduction voltage circuit A meets lithium battery charge and discharge protective circuit G; lithium battery charge and discharge protective circuit G meets dc switch formula booster circuit C; dc switch formula booster circuit C meets lithium cell charging protection and display control circuit D, and lithium cell charging protection and display control circuit D meet charging inlet F.
Each circuit working process is below described respectively:
Commercial power rectification isolating switch formula reduction voltage circuit A: with 220 volts of alternating current feed-ins, recover insurance RI certainly by active concealed city plug
1Effectively prevent the impact of short circuit and surge current, civil power is through diode D
1～D
4The bridge rectifier capacitor C
1After the filtering by IC circuit
1The HF switch vibration obtains the high-frequency and high-voltage alternating current, obtains the high frequency low voltage alternating current behind its coupling isolated buck by high frequency transformer B, through fast diode D
5Commutation capacitor C
25.8 volts of left and right sides direct currents of output after the filtering are supplied with built-in lithium battery charge-discharge protection circuit G.
Built-in lithium battery charge-discharge protection circuit G: IC circuit
2Direct current output charge directly for lithium battery E safely and fast, after the basic abundance of lithium battery E, enter the trickle charge state automatically, avoid overcharging and owe to fill phenomenon; When built-in lithium battery E because of external short circuit, when the overcurrent terminal voltage is lower than the lower limit of setting, discharge protection circuit automatic disconnection discharge loop influences the lithium battery quality to prevent over-discharge can.No matter be charging or discharge, protective circuit IC
2Overcurrent, overvoltage, under-voltage, short circuit, overheated etc. all can be protected automatically, and this is provided with the optimum operation environment for lithium battery E, has prolonged the useful life of lithium battery E greatly.
Dc switch formula booster circuit C: when control switch SW switched to contact DC, the rated voltage of being presented by control switch SW was that 3.7 volts direct current is by dc switch booster circuit IC
3Carry out the dc switch formula and boost, obtain 5.6 volts of direct currents, by the anti-adverse current Xiao Jite diode D of low pressure drop
6, present to the charge protection integrated circuit (IC)
4, R wherein
SCBe the peak current sampling resistor, L is the boost switching energy storage inductor, C
3Be oscillating capacitance, its big or small determine switch frequency of oscillation.
Lithium cell charging protection and display control circuit: by integrated circuit (IC)
4The direct current of output is through D
7Directly give charging inlet F the lithium battery plate of accompanied electronic equipment is carried out emergent charging, simultaneously by integrated circuit (IC)
4Carry out the lithium cell charging protection; When the basic abundance of lithium battery electric weight, internal protection circuitry starts, cuts off the charging major loop, keeps the trickle charge state.When control switch SW switches to contact A C, can directly utilize civil power to pass through the lithium battery plate charging of charging inlet F to accompanied electronic equipment.The RI that is connected in series in the charging inlet F loop
2Be the safety plate of recovery certainly that prevents output short-circuit and overcurrent, it is an integrated circuit (IC)
4Replenishing and redundant setting of function makes the utility model operation safety and reliability; Integrated circuit (IC) during charging
4Control output a, b end be high level, triode V
1Conducting causes triode V
2End, simultaneously triode V
3Conducting, LED
2Red light is bright, and the expression charging is carried out.Because LED
1The both end voltage difference is very little, does not work less than its starter threshold values; Along with the both end voltage of being filled the lithium battery plate raises gradually, when reaching lithium battery abundance set point, integrated circuit (IC)
4The upset of builtin voltage comparison control circuit, a, b end is low level, at this moment triode V
1By causing triode V
2Conducting, triode V simultaneously
3Also end LED
2Red light goes out, LED
1The both end voltage difference increases immediately, greater than its starter threshold values, LED
1The bright expression lithium battery of green light is sufficient.
To those skilled in the art, AC/DC charging commutation circuit, safety plate RI and the Xiao Jite diode D of the mains isolation switch reduction voltage circuit of realization above-mentioned functions, charge-discharge protection circuit, efficient direct current switched mode boost circuit, LED variable color display circuit, control switch SW
6Application circuit, they all have various forms and compound mode, and there all have data can look into principle to be auspicious ripe, therefore, protection range of the present utility model should not be subjected to the qualification of detailed description and combining form.
Claims (5)
1; a kind of dual-purpose carry-on charger; it is characterized in that it comprises commercial power rectification isolating switch formula reduction voltage circuit (A); lithium battery charge and discharge protective circuit (G); dc switch formula booster circuit (C); lithium cell charging protection and display control circuit (D) and charging inlet (F); commercial power rectification isolating switch formula reduction voltage circuit (A) connects lithium battery charge and discharge protective circuit (G); lithium battery charge and discharge protective circuit (G) connects dc switch formula booster circuit (C); dc switch formula booster circuit (C) connects lithium cell charging protection and display control circuit (D), and lithium cell charging protection and display control circuit (D) connect charging inlet (F).
2, charger according to claim 1 is characterized in that described commercial power rectification isolating switch formula reduction voltage circuit (A) comprises plug M, insurance RI
1, diode D
1～D
4, D
5, electrochemical capacitor C
1, C
2, transformer B and switched mode boost circuit IC
1Wherein the plug serial connection is insured RI
1Back and diode D
1～D
4The bridge rectifier of forming connects, the output cathode of bridge rectifier and negative pole respectively with capacitor C
1Corresponding back and the IC circuit of connecting of anodal negative pole
1The direct-flow input end parallel connection, IC circuit
1Output be connected with the input of transformer B, the output of transformer B is through diode D
5Back and capacitor C
2Parallel connection, capacitor C
2Minus earth.
3, charger according to claim 1 is characterized in that described lithium battery charge and discharge protective circuit (G) comprises lithium battery E, charge-discharge protection circuit IC
2And diverter switch SW two contact DC, AC; IC circuit wherein
2Input and capacitor C
2Parallel connection, IC circuit
2The contact DC of output termination diverter switch SW, the contact AC of switch SW and diode D
5Negative pole connects, the anodal connection circuit IC of lithium battery E
2Power input, minus earth.
4, charger according to claim 1 is characterized in that described DC boosting formula switching circuit (C) comprises integrated circuit (IC)
3, inductance L, resistance R
SC, diode D
6, electrochemical capacitor C
4With oscillating capacitance C
3Resistance R wherein
SCOne end is connected with diverter switch SW, and the other end is connected back and IC circuit with inductance L
3Connect the other end connection circuit IC of inductance L
3Output, and through diode D
6Back and electrochemical capacitor C
4In parallel.
5, charger according to claim 1 is characterized in that described lithium cell charging protection and display control circuit (D) comprise integrated circuit (IC)
4, triode V1, V2, V3, luminous tube diode (LED)
1, LED
2, resistance R
1, R
2, R
3, R
4, R
5, diode D
7, the insurance RI
2Integrated circuit (IC) wherein
4Direct-flow input end and electrochemical capacitor C
4Parallel connection, charging output and diode D
7Anodal connection, integrated circuit (IC)
4Output a end and resistance R
2Connect resistance R
2The other end and triode V
1Base stage connects, triode V
1, V
2, V
3Emitter ground connection respectively, triode V
1Collector electrode and triode V
2Base stage connects back and resistance R
1Connect resistance R
1The other end and diode D
7Negative pole connects, diode D
7Negative pole connects charging inlet F, resistance R
3, R
4One end connects back and triode V
2Collector electrode connects, resistance R
3The other end and triode V
3Base stage connects, triode V
3Collector electrode connecting resistance R
5One end, resistance R
5The other end and luminous tube diode (LED)
2Negative pole connects; Resistance R
4Other end sending and receiving light pipe diode (LED)
1Negative pole, the luminous tube diode (LED)
1, LED
2Positive pole meet diode D after connecting
7Negative pole, IC circuit
4Output b end and triode V
2Collector electrode connects, insurance RI
2One termination charging inlet F, an end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200402142U CN2879501Y (en) | 2006-03-15 | 2006-03-15 | Two-use side charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200402142U CN2879501Y (en) | 2006-03-15 | 2006-03-15 | Two-use side charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2879501Y true CN2879501Y (en) | 2007-03-14 |
Family
ID=37861919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200402142U Expired - Fee Related CN2879501Y (en) | 2006-03-15 | 2006-03-15 | Two-use side charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2879501Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694406A (en) * | 2012-06-15 | 2012-09-26 | 鲁巍峰 | Mobile phone battery casing with electrocardiosignal acquisition function |
| WO2017152582A1 (en) * | 2016-03-08 | 2017-09-14 | 中兴通讯股份有限公司 | Charging device and system |
| CN112134322A (en) * | 2020-08-31 | 2020-12-25 | 广东轻工职业技术学院 | Disposable emergency mobile phone charging device |
-
2006
- 2006-03-15 CN CNU2006200402142U patent/CN2879501Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694406A (en) * | 2012-06-15 | 2012-09-26 | 鲁巍峰 | Mobile phone battery casing with electrocardiosignal acquisition function |
| WO2017152582A1 (en) * | 2016-03-08 | 2017-09-14 | 中兴通讯股份有限公司 | Charging device and system |
| CN112134322A (en) * | 2020-08-31 | 2020-12-25 | 广东轻工职业技术学院 | Disposable emergency mobile phone charging device |
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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: 20070314 |