CN203617732U - Universal mobile charger - Google Patents
Universal mobile charger Download PDFInfo
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- CN203617732U CN203617732U CN201320661682.1U CN201320661682U CN203617732U CN 203617732 U CN203617732 U CN 203617732U CN 201320661682 U CN201320661682 U CN 201320661682U CN 203617732 U CN203617732 U CN 203617732U
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Abstract
The utility model relates to the charger field and in particular relates to a universal mobile charger. The universal mobile charger comprises a step-down circuit used for reducing the voltage of mains supply to charging voltage, a first battery jar, and a boost circuit used for boosting the output voltage of the first battery jar to the charging voltage, wherein the input end of the step-down circuit is used for being connected with the mains supply; the output end of the step-down circuit is electrically connected with the first battery jar; the input end of the boost circuit is electrically connected with the first battery jar; and the output end of the boost circuit is used for being connected with a battery to be charged. Compared with a universal charger in the prior art, the universal mobile charger provided by the utility model not only has the function that the universal charger charges various mobile phones, but also can charge the battery to be charged when not connected with the mains supply.
Description
Technical field
The utility model relates to charger field, in particular to mobile universal charger.
Background technology
Universal charger can be polytype charging mobile phone battery.While using universal charger charging, battery of mobile phone coordinates with universal charger, then universal charger is connected with mains supply, and the reduction voltage circuit in universal charger is charging voltage by the lower voltage of mains supply, thereby is charging mobile phone battery.
But it is charging mobile phone battery that current universal charger cannot depart from mains supply, in the situation that cannot separate with mains supply, charge for battery to be charged.
Utility model content
The purpose of this utility model is to provide mobile universal charger, to solve the above problems.
A kind of mobile universal charger is provided in embodiment of the present utility model, has comprised reduction voltage circuit for the voltage of mains supply being reduced to charging voltage, the first battery case and for the output voltage of described the first battery case being raise for the booster circuit of charging voltage; The input of described reduction voltage circuit is for being connected with mains supply; The output of described reduction voltage circuit is electrically connected with described the first battery case; The input of described booster circuit is electrically connected with described the first battery case; The output of described booster circuit is for being connected with battery to be charged.
The mobile universal charger that the utility model embodiment provides, compared with universal charger of the prior art, it can also be battery charging to be charged in situation about not being connected with mains supply except possessing the function that universal charger is various mobile phone chargings.Particularly, this moves universal charger and departs from mains supply, battery to be charged is connected with the output of booster circuit, because the input of booster circuit is connected with the first battery case, being placed on the voltage of battery output of the first battery case after booster circuit is elevated to charging voltage, is battery charging to be charged.This to move universal charger can be the charging of various types of batteries, in the situation that can also separate with mains supply for battery charging to be charged.
Accompanying drawing explanation
Fig. 1 shows the front schematic view of the mobile universal charger of the utility model embodiment;
Fig. 2 shows the schematic rear view of the mobile universal charger of the utility model embodiment;
Fig. 3 shows the reduction voltage circuit of mobile universal charger and the circuit diagram of the first identification circuit of the utility model embodiment;
Fig. 4 shows the circuit diagram of the booster circuit of the mobile universal charger of the utility model embodiment;
Fig. 5 shows the circuit diagram of the second identification circuit of the mobile universal charger of the utility model embodiment.
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the utility model embodiment provides a kind of mobile universal charger, comprises reduction voltage circuit for the voltage of mains supply being reduced to charging voltage, the first battery case and for the output voltage of described the first battery case being raise for the booster circuit of charging voltage; The input of described reduction voltage circuit is for being connected with mains supply; The output of described reduction voltage circuit is electrically connected with described the first battery case; The input of described booster circuit is electrically connected with described the first battery case; The output of described booster circuit is for being connected with battery to be charged.
The mobile universal charger that the utility model embodiment provides, compared with universal charger of the prior art, it can also be battery charging to be charged in situation about not being connected with mains supply except possessing the function that universal charger is various mobile phone chargings.Particularly, this moves universal charger and departs from mains supply, battery to be charged is connected with the output of booster circuit, because the input of booster circuit is connected with the first battery case, being placed on the voltage of the battery output in the first battery case after booster circuit is elevated to charging voltage, is battery charging to be charged.This to move universal charger can be the charging of various types of batteries, in the situation that can also separate with mains supply for battery charging to be charged.
Further, cannot be battery charging for fear of connection error between the both positive and negative polarity of the battery in the first battery case and reduction voltage circuit, this moves universal charger and also comprises the first identification circuit; The input of described the first identification circuit is electrically connected with the output of described reduction voltage circuit; The output of described the first identification circuit is electrically connected with described the first battery case.No matter how the both positive and negative polarity of the battery in the first battery case is connected with the output of the first identification circuit, first the first identification circuit can be identified the both positive and negative polarity of battery, adjust the direction of charging current according to the result of identification, thereby guarantee to be the charging of battery in the first battery case, avoid the Opposite direction connection of battery and cannot charge.
Particularly, described the first identification circuit comprises the first identification chip, resistance R 4, resistance R 5, diode D3, diode D4, triode Q3, capacitor C 4, capacitor C 5, capacitor C 6 and capacitor C 7;
The positive pole of described diode D3 is connected with a contact of the output of described reduction voltage circuit, and the negative pole of described diode D3 is connected with one end, one end of capacitor C 4 and the contact 5 of described the first identification chip of described resistance R 4 respectively; The other end of described resistance R 4 is connected with the contact 4 of described the first identification chip; Another contact ground connection of the other end of described capacitor C 4 and the output of described reduction voltage circuit;
The positive pole of described diode D4 is connected with the positive pole of described diode D3, and the negative pole of described diode D4 is connected with one end of described resistance R 5 and one end of described capacitor C 7 respectively; The other end ground connection of described capacitor C 7; The other end of described resistance R 5 is connected with the collector electrode of described triode Q3; The grounded emitter of described triode Q3, the base stage of described triode Q3 is connected with the contact 2 of described the first identification chip;
One end of described capacitor C 5 is connected with the contact 1 of described the first identification chip, and the other end is connected with contact 8 and the contact 5 of described the first identification circuit respectively;
One end of described capacitor C 6 is connected with the contact 7 of described the first identification chip, other end ground connection;
Contact 6 ground connection of described the first identification chip; The contact 1 of described the first identification chip is connected with one end of described the first battery case, and contact 7 is connected with the other end of described the first battery case.
Wherein, the resistance of the resistance R 4 in the first identification circuit can be 5.8K Ω, and the resistance of resistance R 5 can be 470 Ω, and the capacitance of capacitor C 4 can be 220uF, and the capacitance of capacitor C 7 can be 22uF.In addition, the model of the first identification chip can be AC1122-2.
Particularly, this moves universal charger in the time being the charging of battery in the first battery case, and the first identification circuit judge after the both positive and negative polarity of battery, will flow to the first battery case through the charging current reducing after circuit step-down, thereby is that the battery of the first battery case charges.In battery charging process, for the charged state of electrolytic cell, whether battery charges, and whether has been full of electricity, and this moves universal charger and also comprises light-emitting diode D7 and light-emitting diode D8; The positive pole of described light-emitting diode D7 is connected with the contact 4 of described the first identification chip, the minus earth of described light-emitting diode D7; The positive pole of described light-emitting diode D8 is connected with the collector electrode of described triode Q3, the minus earth of light-emitting diode D8.In the time that battery charges, electric current, through light-emitting diode D8, makes light-emitting diode D8 obtain electroluminescence.When battery is full of after electricity, electric current, through light-emitting diode D7, makes light-emitting diode obtain electroluminescence.
For booster circuit, particularly, described booster circuit comprises the chip that boosts, capacitor C 8, capacitor C 9, capacitor C 10, capacitor C 11, diode D5, diode D6, resistance R 6, resistance R 7, resistance R 8, inductor L1.
Wherein, described in the boost contact Vcc of chip be connected with the negative pole of described diode D5, the positive pole of described diode D5 is connected with one end of described the first battery case; The contact OC of the described chip that boosts is connected with one end of described resistance R 6, and the other end of described R6 is connected with the other end of described the first battery case; The contact EN of the described chip that boosts is connected with the negative pole of described diode D5; The contact LX of the described chip that boosts is connected with the positive pole of described diode D6, and one end of described inductor L1 is connected with the positive pole of described diode D6, and the other end of described inductor L1 is connected with the negative pole of described diode D5; The contact GND ground connection of the described chip that boosts; The contact FB of the described chip that boosts is connected with one end of described resistance R 7 and one end of resistance R 8 respectively, and the other end of described resistance R 7 is connected with the negative pole of described diode D6; The other end of described resistance R 8 is connected and ground connection with the other end of described the first battery case; One end of one end of described capacitor C 8 and described capacitor C 9 is connected with the negative pole of described diode D5 respectively, other end ground connection; One end of one end of described capacitor C 10 and described capacitor C 11 is connected with the negative pole of described diode D6 respectively, other end ground connection; The other end of the negative pole of described diode D6 and described resistance R 8 is respectively used to be connected with battery to be charged.
When the battery in the first battery case is battery charging to be charged, the output voltage of the battery in the first battery case may be 3.7V, and the voltage of 3.7V is not suitably for battery charging to be charged, therefore need the voltage of 3.7V to be increased to charging voltage, wherein this charging voltage can be 5V.This booster circuit is elevated to the output circuit of the first battery case after charging voltage, is battery charging to be charged.
Accordingly, in order to judge the both positive and negative polarity of battery to be charged, this moves universal charger and also comprises the second identification circuit; The input of described the second identification circuit is electrically connected with the output of described booster circuit; The output of described the second identification circuit is for being connected with battery to be charged.The voltage of the first battery case output is after booster circuit boosts, and the second identification circuit judges the both positive and negative polarity of battery to be charged, thereby adjusts the direction of charging current, makes battery to be charged no matter how both positive and negative polarity connects and all can be its charging.
Particularly, described the second identification circuit comprises the second identification chip, capacitor C 12, capacitor C 13; Contact 40, contact 50 and the contact 80 of described the second identification chip is connected with one end of output and one end of described capacitor C 12 of described booster circuit respectively; Particularly, the contact 40 of described the second identification chip is connected with the negative pole of described diode D6; The contact 50 of described the second identification chip is connected with the negative pole of described diode D6 and one end of described capacitor C 12 respectively with contact 80; The other end of described capacitor C 12 is connected with the contact 10 of described the second identification chip; The contact 60 of described the second identification chip is connected with one end of described capacitor C 13; The other end ground connection of described capacitor C 13; The contact 10 of described the second identification chip is for being connected with battery to be charged.
Certainly,, for the ease of understanding the charge condition of battery to be charged, this moves universal charger and also comprises light-emitting diode D9, light-emitting diode D10 and triode Q4; The positive pole of described light-emitting diode D9 is connected with the contact 40 of described the second identification chip, the minus earth of described light-emitting diode D9; The positive pole of described light-emitting diode D10 is connected with the collector electrode of described triode Q4, the minus earth of described light-emitting diode D10; The base stage of described triode Q4 is connected with the contact 30 of described the second identification chip, grounded emitter.Be battery to be charged in the time of charged state, light-emitting diode D10 obtains electroluminescence, when battery to be charged is in charging when saturation condition, light-emitting diode D9 obtains electroluminescence.
Further, this moves universal charger and also comprises switch S 1 and LED lamp group 102; One end of described switch S 1 is connected with one end of described the first battery case, and the other end of described switch S 1 is connected with the positive pole of described LED lamp group 102; The minus earth of described LED lamp group 102.In the time that one end of switch S 1 is connected with the one end at LED lamp group place, the first battery case is that LED lamp group 102 is powered, and makes LED lamp group 102 luminous, thereby illumination is provided.
For the ease of connection and the installation of device to be charged, this moves universal charger and also comprises the second battery case 107; Described the second battery case 107 is for coordinating with battery to be charged and a contact of described the second battery case is connected with the contact 10 of described the second identification circuit, another contact ground connection of described the second battery case.Battery to be charged is placed in the second battery case, thereby is battery charging to be charged.
This moves universal charger and also comprises internal battery, and this internal battery is in parallel with described the first battery case.In the time battery not being installed in the first battery case, Closing Switch S1, LED lamp group is powered by this internal battery.This internal battery can also be the second battery case power supply simultaneously.In the time that the battery in the first battery case charges, this internal battery synchronous charging.
In addition, this moves universal charger and also comprises housing 201.On this housing 201, be provided with the first battery case 106 and the second battery case 107, in the first battery case 106 and the second battery case 107, be respectively arranged with two metallic contacts, wherein the metallic contact in the first battery case is connected with contact 1 and the contact 7 of the first identification circuit respectively, for coordinating with the both positive and negative polarity of the battery in the first battery case; Metallic contact in the second battery case is connected with contact 10 and the ground wire of the second identification circuit respectively, for coordinating with the both positive and negative polarity of battery to be charged.
In addition, more fixing in order to make to be embedded into battery and battery to be charged in the first battery case and the second battery case, avoid battery and battery to be charged and metallic contact to depart from, in the first battery case and the second battery case, be provided with compressing tablet 104 and spring 101.For example, within battery is embedded into the first battery case time, compressing tablet contacts with the outer surface of battery, and battery can produce compressing to compressing tablet, and the spring being placed in below compressing tablet can produce elastic force, and compressing tablet is exerted pressure to battery, thereby battery is clamped in the first battery case.In order to increase the frictional force between battery and compressing tablet, can be provided with striped on the surface of compressing tablet, avoid relative sliding between battery and compressing tablet.
In addition, in order to adapt to the use of dissimilar battery, on the metallic contact 110 of the first battery case and the second battery case, be provided with adjusting slider 108.Adjusting slider 108 can slide by guide rail 109 on housing, thereby regulates the distance of two metallic contacts.For example, on the first battery case, adjusting slider is connected with two metallic contacts, this adjusting slider that slides, and then can regulate the distance between position and two metallic contacts of two metallic contacts in the first battery case, thus dissimilar battery all can be coordinated with two metallic contacts.
In this one end of moving universal charger, LED lamp group 102 can be arranged on the opening of this end, in addition, lampshade 103 can also be set, thereby improves the luminosity of LED lamp group.In addition, switch S 1 can be arranged on a side of housing.
In addition, also offer usb 1 05 on housing, this usb 1 05 can be connected with the output of booster circuit, charges by USB interface thereby be convenient to mobile phone.On housing, can also be provided with switch S 2, the two ends of this switch S 2 are connected with the negative pole of diode D6 and the contact 40 of the second identification chip respectively.In addition, the negative pole of diode D6 can also be connected with 5V power supply.
On housing, be also provided with attaching plug 202, this attaching plug 202 can be connected with the input of reduction voltage circuit, is convenient to being connected of attaching plug 202 and supply socket.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a mobile universal charger, is characterized in that, comprises reduction voltage circuit for the voltage of mains supply being reduced to charging voltage, the first battery case and for the output voltage of described the first battery case being raise for the booster circuit of charging voltage;
The input of described reduction voltage circuit is for being connected with mains supply; The output of described reduction voltage circuit is electrically connected with described the first battery case;
The input of described booster circuit is electrically connected with described the first battery case; The output of described booster circuit is for being connected with battery to be charged.
2. mobile universal charger according to claim 1, is characterized in that, also comprises the first identification circuit;
The input of described the first identification circuit is electrically connected with the output of described reduction voltage circuit; The output of described the first identification circuit is electrically connected with described the first battery case.
3. mobile universal charger according to claim 2, is characterized in that, described the first identification circuit comprises the first identification chip, resistance R 4, resistance R 5, diode D3, diode D4, triode Q3, capacitor C 4, capacitor C 5, capacitor C 6 and capacitor C 7;
The positive pole of described diode D3 is connected with a contact of the output of described reduction voltage circuit, and the negative pole of described diode D3 is connected with one end, one end of capacitor C 4 and the contact 5 of described the first identification chip of described resistance R 4 respectively; The other end of described resistance R 4 is connected with the contact 4 of described the first identification chip; Another contact ground connection of the other end of described capacitor C 4 and the output of described reduction voltage circuit;
The positive pole of described diode D4 is connected with the positive pole of described diode D3, and the negative pole of described diode D4 is connected with one end of described resistance R 5 and one end of described capacitor C 7 respectively; The other end ground connection of described capacitor C 7; The other end of described resistance R 5 is connected with the collector electrode of described triode Q3; The grounded emitter of described triode Q3, the base stage of described triode Q3 is connected with the contact 2 of described the first identification chip;
One end of described capacitor C 5 is connected with the contact 1 of described the first identification chip, and the other end is connected with contact 8 and the contact 5 of described the first identification circuit respectively;
One end of described capacitor C 6 is connected with the contact 7 of described the first identification chip, other end ground connection;
Contact 6 ground connection of described the first identification chip; The contact 1 of described the first identification chip is connected with one end of described the first battery case, and contact 7 is connected with the other end of described the first battery case.
4. mobile universal charger according to claim 3, is characterized in that, also comprises the second identification circuit;
The input of described the second identification circuit is electrically connected with the output of described booster circuit; The output of described the second identification circuit is for being connected with battery to be charged.
5. mobile universal charger according to claim 4, is characterized in that, described the second identification circuit comprises the second identification chip, capacitor C 12, capacitor C 13;
Contact 40, contact 50 and the contact 80 of described the second identification chip is connected with one end of output and one end of described capacitor C 12 of described booster circuit respectively; The other end of described capacitor C 12 is connected with the contact 10 of described the second identification chip; The contact 60 of described the second identification chip is connected with one end of described capacitor C 13; The other end ground connection of described capacitor C 13; The contact 10 of described the second identification chip is for being connected with battery to be charged.
6. mobile universal charger according to claim 5, is characterized in that, also comprises light-emitting diode D7, light-emitting diode D8, light-emitting diode D9, light-emitting diode D10 and triode Q4;
The positive pole of described light-emitting diode D7 is connected with the contact 4 of described the first identification chip, the minus earth of described light-emitting diode D7;
The positive pole of described light-emitting diode D8 is connected with the collector electrode of described triode Q3, the minus earth of light-emitting diode D8;
The positive pole of described light-emitting diode D9 is connected with the contact 40 of described the second identification chip, the minus earth of described light-emitting diode D9;
The positive pole of described light-emitting diode D10 is connected with the collector electrode of described triode Q4, the minus earth of described light-emitting diode D10;
The base stage of described triode Q4 is connected with the contact 30 of described the second identification chip, grounded emitter.
7. mobile universal charger according to claim 6, is characterized in that, also comprises switch S 1 and LED lamp group;
One end of described switch S 1 is connected with one end of described the first battery case, and the other end of described switch S 1 is connected with the positive pole of described LED lamp group; The minus earth of described LED lamp group.
8. mobile universal charger according to claim 7, is characterized in that, also comprises the second battery case;
Described the second battery case is used for coordinating with battery to be charged and a contact of described the second battery case is connected with the contact 10 of described the second identification circuit, another contact ground connection of described the second battery case.
9. according to the mobile universal charger described in any one in claim 1～8, it is characterized in that, also comprise internal battery;
Described internal battery is in parallel with described the first battery case.
10. according to the mobile universal charger described in any one in claim 1～8, it is characterized in that, also comprise USB interface;
Described USB interface is connected with the output of described booster circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661682.1U CN203617732U (en) | 2013-05-29 | 2013-10-25 | Universal mobile charger |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320326237 | 2013-05-29 | ||
| CN201320326237.X | 2013-05-29 | ||
| CN201320661682.1U CN203617732U (en) | 2013-05-29 | 2013-10-25 | Universal mobile charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617732U true CN203617732U (en) | 2014-05-28 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320661682.1U Withdrawn - After Issue CN203617732U (en) | 2013-05-29 | 2013-10-25 | Universal mobile charger |
| CN201310509332.8A Expired - Fee Related CN103532199B (en) | 2013-05-29 | 2013-10-25 | Mobile universal charger |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310509332.8A Expired - Fee Related CN103532199B (en) | 2013-05-29 | 2013-10-25 | Mobile universal charger |
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| Country | Link |
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| CN (2) | CN203617732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532199A (en) * | 2013-05-29 | 2014-01-22 | 柏海蛟 | Universal mobile charger |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276200A (en) * | 2017-05-17 | 2017-10-20 | 成都昂迪加科技有限公司 | A kind of solar recharging booster circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005245170A (en) * | 2004-02-27 | 2005-09-08 | Casio Comput Co Ltd | Charging system |
| CN201041947Y (en) * | 2007-04-23 | 2008-03-26 | 徐建华 | Multifunctional charger |
| CN203617732U (en) * | 2013-05-29 | 2014-05-28 | 柏海蛟 | Universal mobile charger |
-
2013
- 2013-10-25 CN CN201320661682.1U patent/CN203617732U/en not_active Withdrawn - After Issue
- 2013-10-25 CN CN201310509332.8A patent/CN103532199B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532199A (en) * | 2013-05-29 | 2014-01-22 | 柏海蛟 | Universal mobile charger |
| CN103532199B (en) * | 2013-05-29 | 2015-10-28 | 江阴泛函软件有限公司 | Mobile universal charger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103532199B (en) | 2015-10-28 |
| CN103532199A (en) | 2014-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20151028 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |