CN203039582U - Adapter - Google Patents
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- CN203039582U CN203039582U CN 201220661949 CN201220661949U CN203039582U CN 203039582 U CN203039582 U CN 203039582U CN 201220661949 CN201220661949 CN 201220661949 CN 201220661949 U CN201220661949 U CN 201220661949U CN 203039582 U CN203039582 U CN 203039582U
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- interface
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Abstract
An adaptor includes an input interface, a voltage-stabilizing constant current device which is connected with the input interface, and an output interface which is connected with an output end of the voltage-stabilizing constant current device. The voltage-stabilizing constant current device comprises a voltage control circuit which converts input voltage into set voltage and outputs the set voltage in a controlled manner, and a constant current circuit which is connected with the voltage control circuit and converts input current into constant current and outputs the constant current in a controlled manner. According to the above adapter, through the voltage-stabilizing constant current device, output voltage from 1v to 6.5v of a power charging device or a computer USB interface and the like can be directly converted into a 5v-to-24v and 0.1 ampere-to-10-ampere constant current, and the constant current is outputted; the voltage-stabilizing constant current device can realize constant output of current and voltage, and is convenient and environmentally friendly. When a user goes out for travelling, the user only needs to take one mobile phone charger and the above adapter, such that the requirement of 5v mobile phone charging and 12v tablet personal computer charging can be satisfied.
Description
Technical field
The utility model relates to a kind of charging device, particularly relates to a kind of adapter.
Background technology
On the present market, most of electronic equipment charging voltage is inequality, and charger is also mutually incompatible, and electronic equipment charging input voltage is not standard 5V voltage, causes to the user and uses inconvenience, is inconvenient to carry problems such as a plurality of chargers.
Along with the fast development of electronic digital product, the listing of various electronic digital products is also progressively increased the requirement of charging device, and the output voltage electric current to charging device also requires many simultaneously.
Summary of the invention
Based on this, be necessary to provide a kind of adapter of different charging voltage demands that can the full scale distinct device.
A kind of adapter comprises: input interface, the pressure-stabilizing constant flow equipment that is connected with described input interface, and the output interface that is connected with described pressure-stabilizing constant flow equipment output end; Described pressure-stabilizing constant flow equipment comprises: input voltage is converted to setting voltage controls the voltage control circuit of output, reach the constant-current circuit that is connected and input current is converted to continuous current control output with described voltage control circuit.
In a preferred embodiment, the input of described input interface is connected on the externally fed equipment that output voltage is 1V-6.5V, and the power supply that described pressure-stabilizing constant flow equipment is imported input interface is converted to the constant current of 5V-24V, 0. 1A-10A and exports to output interface.
In a preferred embodiment, described input interface is connected in the described pressure-stabilizing constant flow equipment that this input interface input voltage transforms and constant current is handled by connecting line, and the output of described pressure-stabilizing constant flow equipment is connected output by connecting line with described output interface.
In a preferred embodiment, described input interface is arranged on the described pressure-stabilizing constant flow equipment, and described output interface is connected with described pressure-stabilizing constant flow equipment by connecting line.
In a preferred embodiment, described input interface and output interface are fixedly installed on the two ends of described pressure-stabilizing constant flow equipment respectively, or are embedded on the described pressure-stabilizing constant flow equipment.
In a preferred embodiment, described input interface or output interface comprise: any one or a few in USB interface, Micro interface, MINI interface, PSP interface, Apple interface, the DC interface.
In a preferred embodiment, described voltage control circuit comprises: voltage conversion circuit and the sample circuit that is connected with described voltage conversion circuit, described voltage conversion circuit comprises: the voltage transitions chip, the OC end of described voltage transitions chip is held the power end that also is linked into described input interface by inductance L 1 through its power end and the common port that enables control end by resistance R 4 ground connection, its LX, and the LX end of described voltage transitions chip and the common port of inductance L 1 are linked in the sample circuit by diode D1.
In a preferred embodiment, described voltage conversion circuit also comprises: be arranged on the power end of described input interface and two shunt capacitance C1, the C2 between the ground; The power end of described voltage transitions chip with enable control end and be connected the power end that is linked into described input interface by the power access end of capacitor C 1, C2, described sample circuit comprises: divider resistance R2 and the sample resistance R5 that is connected with described divider resistance R2, sample resistance R5 ground connection, the link of described divider resistance R2 and sample resistance R5 is linked into the FB end of described voltage transitions chip, the negative pole of described diode D1 is linked among the divider resistance R2, and the output of described sample circuit is linked into the power end of described output interface; Another branch road of the output of described sample circuit is linked among the capacitor C 3 that is connected in parallel, C4, the C5, and ground connection.
In a preferred embodiment, also comprise interface circuit, power end and the earth terminal of described output interface inserted at described interface circuit two ends respectively; Described interface circuit comprises: resistance R 3, described constant-current circuit comprises the field effect transistor Q1 that constant current chip and input thereof are connected with second output port of described constant current chip, after converging, the power end of described resistance R 3 and described constant current chip is linked into the output of described voltage control circuit, the earth terminal ground connection of described constant current chip; Described field effect transistor Q1 is linked into the common port of the earth terminal of described interface circuit and described output interface, and its source electrode is by resistance R 9 ground connection; The common port of the source electrode of described field effect transistor Q1 and resistance R 9 is linked into second negative input of described constant current chip.
In a preferred embodiment, described constant-current circuit also comprises: between the power end that is linked into described input interface and the ground and the resistance R 1, the capacitor C 6 that are connected successively, and the adjustable shunting a reference source of the three ends U3 that is connected in parallel with capacitor C 6, and capacitor C 6 the series resistance R7 and the R8 that are connected in parallel; The common port of resistance R 7 and R8 is linked into second electrode input end of constant current chip; The reference edge of the adjustable shunting a reference source of described three ends U3 be linked into the common port of described resistance R 1 with capacitor C 6 after negative electrode is connected.
Above-mentioned adapter can be easily directly be converted to constant-current charging power output between 5 volts to 24 volts, 0.1 to 10 ampere with being output as the mains charger of voltage between 1 volt to 6.5 volts or computer USB interface etc. by pressure-stabilizing constant flow equipment; Pressure-stabilizing constant flow equipment can realize that current/voltage has constant output, and convenient and swift, environmental protection.In the time of out on tours, only with a last charger for mobile phone and above-mentioned adapter, just can satisfy 5 volts cell-phone charging simultaneously, also can satisfy 12 volts panel computer charging demand.
Description of drawings
Fig. 1 is the circuit diagram of the pressure-stabilizing constant flow equipment of the utility model one embodiment;
Fig. 2 is the schematic diagram of the adapter of the utility model one embodiment;
Fig. 3 is the schematic diagram of the adapter of another embodiment of the utility model;
Fig. 4 is the schematic diagram of the adapter of the another embodiment of the utility model;
Fig. 5 is the utility model schematic diagram of the adapter of an embodiment again.
Embodiment
To shown in Figure 5, the adapter 100 of the utility model one embodiment comprises as Fig. 1: input interface 20, the pressure-stabilizing constant flow equipment 40 that is connected with input interface 20, reach the output interface 60 that is connected with the output of pressure-stabilizing constant flow equipment 40.
Pressure-stabilizing constant flow equipment 40 comprises: input voltage is converted to setting voltage controls the voltage control circuit of output, reach the constant-current circuit 44 that is connected and input current is converted to continuous current control output with voltage control circuit.
Further, present embodiment is preferred, and the input of input interface 20 is connected on the externally fed equipment that output voltage is 1V-6.5V.Pressure-stabilizing constant flow equipment 40 is exported to output interface 60 with the constant current that the input power supply of input interface 20 is converted to 5V-24V, 0. 1A-10A, gives equipment to be charged or electronic product with power supply.
As shown in Figure 2, the input interface 20 of the utility model one embodiment is connected in the pressure-stabilizing constant flow equipment 40 by connecting line, by pressure-stabilizing constant flow equipment 40 these input interface 20 input voltages are transformed and the constant current processing.The output of pressure-stabilizing constant flow equipment 40 is connected output by connecting line with output interface 60.
As shown in Figure 3, among another embodiment of the utility model, the input interface 20 of present embodiment is fixedly installed on the pressure-stabilizing constant flow equipment 40.Output interface 60 is connected with pressure-stabilizing constant flow equipment 40 by connecting line.
As shown in Figure 4, among the another embodiment of the utility model, the input interface 20 of present embodiment is connected with pressure-stabilizing constant flow equipment 40 by connecting line.Output interface 60 is fixedly installed on the pressure-stabilizing constant flow equipment 40.
As shown in Figure 5, among the embodiment, input interface 20 is fixedly installed on the two ends of pressure-stabilizing constant flow equipment 40 respectively with output interface 60 to the utility model, or is embedded in respectively on the pressure-stabilizing constant flow equipment 40 again.
Further, the input interface 20 of present embodiment or output interface 60 comprise: any one or a few in USB interface, Micro interface, MINI interface, PSP interface, Apple interface, the DC interface.
Further, the voltage control circuit of present embodiment comprises: voltage conversion circuit 420, and the sample circuit 422 that is connected with voltage conversion circuit 420.Voltage conversion circuit 420 comprises: voltage transitions chip U1.Preferably, the voltage transitions chip U1 of present embodiment selects FP6291 for use.
The OC end of voltage transitions chip U1 i.e. the 6th pin is that the 1st pin is JP1 by inductance L 1 and through its power end VCC with the power end VCC that the common port that enables control end EN is linked into input interface 20 by resistance R 4 ground connection, its LX end.The LX end of voltage transitions chip U1 is linked in the sample circuit 422 by diode D1 with the common port of inductance L 1.
To be connected the power end VCC that power access end by capacitor C 1, C2 is linked into input interface 20 be JP1 to the VCC of voltage transitions chip U1 with enabling control end EN.The earth terminal GND of input interface 20 is JP2 ground connection.
Further, the sample circuit 422 of present embodiment comprises: divider resistance R2 and the sample resistance R5 that is connected with divider resistance R2.Sample circuit 422 is by sample resistance R5 ground connection.The FB end that the link of divider resistance R2 and sample resistance R5 is linked into voltage transitions chip U1 is the 3rd pin.The negative pole of diode D1 is linked among the divider resistance R2, and its positive pole is linked into the LX end of voltage transitions chip U1 and the common port of inductance L 1.
Further, to be linked into the power end VCC of output interface 60 be JP3 to the output of sample circuit 422.Another branch road of the output of sample circuit 422 is linked among three shunt capacitance C3, C4, the C5, and passes through the other end ground connection of capacitor C 3, C4, C5.
Further, the pressure-stabilizing constant flow equipment 40 of present embodiment also comprises: interface circuit.The power end VCC that output interface 60 is inserted at the interface circuit two ends respectively be JP3, and earth terminal be JP4.Interface circuit comprises: resistance R 3.Further, interface circuit also comprises: the LED 1 that is connected in series with resistance R 3.
Further, the constant-current circuit 44 of present embodiment comprises constant current chip U2, reaches the field effect transistor Q1 that is connected with constant current chip U2.The input of field effect transistor Q1 is connected with the second output port 2OUT of constant current chip U2.After converging, the power end VCC of resistance R 3 and constant current chip U2 is linked into the output of voltage control circuit.Further, the power end VCC of constant current chip U2 inserts between the output and interface circuit of voltage control circuit.The earth terminal ground connection of constant current chip U2.Field effect transistor Q1 is linked into the common port of the earth terminal of interface circuit and output interface, and its source electrode is by resistance R 9 ground connection.Further, the common port of the source electrode of field effect transistor Q1 and resistance R 9 is linked into the second negative input 2IN-of constant current chip U2.
Further, the constant-current circuit 44 of present embodiment also comprises: the power end VCC that is linked into input interface 20 is resistance R 1, the capacitor C 6 that is connected in series between JP1 and the ground, and the adjustable shunting a reference source of the three ends U3 that is connected in parallel with capacitor C 6, the series resistance R7 and the R8 that are connected in parallel with capacitor C 6.The common port of resistance R 7 and R8 is linked into the second electrode input end 2IN+ of constant current chip U2.The reference edge of three ends are adjustable shunting a reference source U3 be linked into the common port of resistance R 1 with capacitor C 6 after negative electrode is connected.
The adapter 100 of present embodiment supports given voltage to change another constant voltage, can support 1 volt to 6.5 volts voltage transitions is become 5 volts to 24 volts.Input interface 20 is connected to (as computer USB mouth, adapter etc.) in the externally fed equipment, output interface 60 is connected to (as mobile phone, panel computer, game machine etc.) in the use equipment, by the conversion of pressure-stabilizing constant flow equipment 40, externally fed equipment is converted to the charge power supply of suitable use equipment by the power supply of input interface 20 inputs.
The adapter 100 of present embodiment can boost the free voltage between constant 1 volt to 6.5 volts or be depressured to the free voltage between constant 5 volts to 24 volts, thereby realizes 5 volts of equipment to 24 volts of direct charging requirement are charged.
Can convert the voltage of 5 volts of chargers output of using always to 12 volts voltage through its connection according to arranging of pressure-stabilizing constant flow equipment 40, thereby make 5 volts charger to charge to the equipment of 12 volts input and to use.
The adapter 100 of present embodiment can substitute the production of the charging device of the different multiple voltage output of power supply on the market, and the adapter that only disposes present embodiment just can utilize existing equipment to finish the charging for the treatment of charge prepd.The traditional relatively charging device volume of the adapter 100 of present embodiment is small and exquisite, and materials, power consumption are less, environmental protection, practicality.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. an adapter is characterized in that, comprising: input interface, the pressure-stabilizing constant flow equipment that is connected with described input interface, and the output interface that is connected with described pressure-stabilizing constant flow equipment output end; Described pressure-stabilizing constant flow equipment comprises: input voltage is converted to setting voltage controls the voltage control circuit of output, reach the constant-current circuit that is connected and input current is converted to continuous current control output with described voltage control circuit.
2. adapter according to claim 1, it is characterized in that: the input of described input interface is connected on the externally fed equipment that output voltage is 1V-6.5V, and the power supply that described pressure-stabilizing constant flow equipment is imported input interface is converted to the constant current of 5V-24V, 0. 1A-10A and exports to output interface.
3. adapter according to claim 1, it is characterized in that: described input interface is connected in the described pressure-stabilizing constant flow equipment that this input interface input voltage transforms and constant current is handled by connecting line, and the output of described pressure-stabilizing constant flow equipment is connected output by connecting line with described output interface.
4. adapter according to claim 1, it is characterized in that: described input interface is arranged on the described pressure-stabilizing constant flow equipment, and described output interface is connected with described pressure-stabilizing constant flow equipment by connecting line.
5. adapter according to claim 1, it is characterized in that: described input interface and output interface are fixedly installed on the two ends of described pressure-stabilizing constant flow equipment respectively, or are embedded on the described pressure-stabilizing constant flow equipment.
6. adapter according to claim 1, it is characterized in that: described input interface or output interface comprise: any one or a few in USB interface, Micro interface, MINI interface, PSP interface, Apple interface, the DC interface.
7. according to any described adapter of claim 1 to 6, it is characterized in that: described voltage control circuit comprises: voltage conversion circuit and the sample circuit that is connected with described voltage conversion circuit, described voltage conversion circuit comprises: the voltage transitions chip, the OC end of described voltage transitions chip is held the power end that also is linked into described input interface by inductance L 1 through its power end and the common port that enables control end by resistance R 4 ground connection, its LX, and the LX end of described voltage transitions chip and the common port of inductance L 1 are linked in the sample circuit by diode D1.
8. adapter according to claim 7, it is characterized in that: described voltage conversion circuit also comprises: be arranged on the power end of described input interface and two shunt capacitance C1, the C2 between the ground; The power end of described voltage transitions chip with enable control end and be connected the power end that is linked into described input interface by the power access end of capacitor C 1, C2, described sample circuit comprises: divider resistance R2 and the sample resistance R5 that is connected with described divider resistance R2, sample resistance R5 ground connection, the link of described divider resistance R2 and sample resistance R5 is linked into the FB end of described voltage transitions chip, the negative pole of described diode D1 is linked among the divider resistance R2, and the output of described sample circuit is linked into the power end of described output interface; Another branch road of the output of described sample circuit is linked among the capacitor C 3 that is connected in parallel, C4, the C5, and ground connection.
9. according to any described adapter of claim 1 to 6, it is characterized in that: also comprise interface circuit, power end and the earth terminal of described output interface inserted at described interface circuit two ends respectively; Described interface circuit comprises: resistance R 3, described constant-current circuit comprises the field effect transistor Q1 that constant current chip and input thereof are connected with second output port of described constant current chip, after converging, the power end of described resistance R 3 and described constant current chip is linked into the output of described voltage control circuit, the earth terminal ground connection of described constant current chip; Described field effect transistor Q1 is linked into the common port of the earth terminal of described interface circuit and described output interface, and its source electrode is by resistance R 9 ground connection; The common port of the source electrode of described field effect transistor Q1 and resistance R 9 is linked into second negative input of described constant current chip.
10. adapter according to claim 9, it is characterized in that: described constant-current circuit also comprises: between the power end that is linked into described input interface and the ground and the resistance R 1, the capacitor C 6 that are connected successively, and the adjustable shunting a reference source of the three ends U3 that is connected in parallel with capacitor C 6, and capacitor C 6 the series resistance R7 and the R8 that are connected in parallel; The common port of resistance R 7 and R8 is linked into second electrode input end of constant current chip; The reference edge of the adjustable shunting a reference source of described three ends U3 be linked into the common port of described resistance R 1 with capacitor C 6 after negative electrode is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661949 CN203039582U (en) | 2012-12-05 | 2012-12-05 | Adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661949 CN203039582U (en) | 2012-12-05 | 2012-12-05 | Adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039582U true CN203039582U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220661949 Expired - Fee Related CN203039582U (en) | 2012-12-05 | 2012-12-05 | Adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039582U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103678234A (en) * | 2013-12-06 | 2014-03-26 | 福建鑫诺通讯技术有限公司 | Interface circuit compatible with USB interfaces of various types |
| 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 |
| CN110138039A (en) * | 2019-05-24 | 2019-08-16 | 胡玉枝 | A kind of solar charging circuit and charger |
-
2012
- 2012-12-05 CN CN 201220661949 patent/CN203039582U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103678234A (en) * | 2013-12-06 | 2014-03-26 | 福建鑫诺通讯技术有限公司 | Interface circuit compatible with USB interfaces of various types |
| CN103678234B (en) * | 2013-12-06 | 2016-11-02 | 福建鑫诺通讯技术有限公司 | A kind of interface circuit of the multiple usb type of compatibility |
| 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 |
| CN110138039A (en) * | 2019-05-24 | 2019-08-16 | 胡玉枝 | A kind of solar charging circuit and charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |