CN203800645U - Charging Po - Google Patents
Charging Po Download PDFInfo
- Publication number
- CN203800645U CN203800645U CN201420058966.6U CN201420058966U CN203800645U CN 203800645 U CN203800645 U CN 203800645U CN 201420058966 U CN201420058966 U CN 201420058966U CN 203800645 U CN203800645 U CN 203800645U
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- charging
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- voltage
- portable electron
- electron device
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A charging Po is used for charging a portable electronic device. The charging Po comprises a power management chip and a battery. The power management chip comprises a load type detection circuit and a voltage regulation circuit. The load type detection circuit is used for judging charging voltage required by the portable electronic device. The voltage regulation circuit is electrically connected with the load type detection circuit, and is used for regulating charging voltage output by the charging Po according to the charging voltage required by the portable electronic device. By adopting the charging Po of the utility model, the time for charging the portable electronic device can be effectively shortened.
Description
Technical field
The utility model relates to charging technique field, relates in particular to a kind of charging precious.
Background technology
Along with the extensive use of portable electron device (as smart mobile phone, panel computer etc.), because the battery of portable electron device exists technical bottleneck, the flying power of battery is very limited, self there is charge storage unit and can directly charge to portable electron device and charging is precious, and charging treasured is convenient for carrying, therefore, the precious use of charging is more and more extensive.
Fig. 1 illustrates as existing a kind of precious configuration diagram of charging.Refer to Fig. 1, existing charging precious 10 comprises power management chip 12 and battery 14, in power management chip 12, be provided with booster circuit 122 and charging circuit 123, power management chip 12 can pass through USB(Universal Serial Bus, USB) port and portable electron device 100 be electrically connected.Battery 14 is used to power management chip 12 that power supply is provided, and the DC input voitage that booster circuit 122 provides battery 14 adjusting of boosting, is converted into 5V DC charging voltage, so that portable electron device 100 is charged.In the time accessing portable electron device 100 in charging precious 10, the load judgment circuit of precious 10 inside of charging can judge has portable electron device to insert, charging precious 10 can automatically enter charged state or user and press instruction button and make charging precious 10 enter charged state, battery 14 is by externally output 5V charging voltage of booster circuit 122, and portable electron device 10 enters charged state.
But; precious 10 of existing charging supports the charging voltage of 5V to export; consider and on USB cable, conventionally have 200mohm(milliohm) impedance; if it is 1A(ampere that charging precious 10 can provide maximum charging current); in conjunction with the charge efficiency (85% left and right) of the charge inside circuit 123 of the loss on USB cable and charging precious 10; when the cell voltage of portable electron device 100 is 3.7V; the charging current of battery is at 1.1A left and right ((5V-0.2V) * 1A*85%/3.7V=1.1A, wherein 0.2V=200mohm*10
-3* 1A); If when the battery capacity of portable electron device 100 is 10000mAh(milliampere), whole charging process needs more than 10 hours.In addition, even charging precious 10 can provide maximum charging current be 2A or more than, consider from portable electron device 100 charging input end to its internal cell channel impedance greatly about 150mohm, from the precious 10 MOSFET(Metal-Oxide-Semiconductor Field-Effect Transistor that output to the cell channel of portable electron device 100 inside that charge, metal-oxide half field effect transistor) loss will be more than 0.7V, is also that voltage falls at least more than 0.7V; If the impedance on USB cable is bigger than normal or precious 10 output voltages that charge are on the low side more again, there will be the phenomenon that 100 charging intervals of portable electron device grow especially, be even difficult to support the battery that is 4.35V by maximum charge final voltage to be full of.
Utility model content
The utility model provides a kind of charging precious, can effectively shorten the charging interval to portable electron device.
The utility model proposes a kind of charging precious, be used to portable electron device charging, described charging treasured comprises power management chip and battery.Described power management chip comprises loadtype testing circuit and voltage regulator circuit, and described loadtype testing circuit is for judging the charging voltage that described portable electron device is required.Described voltage regulator circuit and described loadtype testing circuit are electrically connected, for regulate the charging voltage of the precious output of described charging according to the required charging voltage of described portable electron device.
In an embodiment of the present utility model, described charging treasured also comprises charging circuit, and described charging circuit and described loadtype testing circuit and described voltage regulator circuit are electrically connected, and is used to described portable electron device charging.
In an embodiment of the present utility model, described loadtype testing circuit and described portable electron device all support high pass to fill soon that agreement, Samsung fill agreement soon and Lian Fake fills agreement soon.
In an embodiment of the present utility model, described charging is precious to be electrically connected by USB port and described portable electron device.
In an embodiment of the present utility model, described USB port has supply pin and two signal pins, and described loadtype testing circuit and described voltage regulator circuit are all electrically connected with described supply pin and described signal pin.
In an embodiment of the present utility model, described USB port also has grounding leg, and described power management chip and described grounding leg are electrically connected.
In an embodiment of the present utility model, the charging voltage of the precious output of described charging is 5 volts, 7 volts, 9 volts, 12 volts or 20 volts.
In charging treasured of the present utility model, because the precious inside of charging is provided with loadtype testing circuit and voltage regulator circuit, loadtype testing circuit can judge the charging voltage that portable electron device is required, voltage regulator circuit regulates the charging voltage of the precious output of charging according to this charging voltage, thereby the charging voltage grade of the precious output of charging can be set arbitrarily according to the actual requirements, can realize high-voltage charging, increase charge power, shorten the charging interval.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Fig. 1 illustrates as existing a kind of precious configuration diagram of charging.
Fig. 2 illustrates the configuration diagram precious into charging of the present utility model.
Embodiment
Technological means and effect of taking for reaching predetermined utility model object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and effect according to the utility model proposes, be described in detail as follows.
Fig. 2 illustrates the configuration diagram precious into charging of the present utility model.Refer to Fig. 2, charging treasured 20 of the present utility model is used to portable electron device 200 to charge, and it comprises power management chip 22 and battery 24, and power management chip 22 comprises loadtype testing circuit 222, voltage regulator circuit 223 and charging circuit 224.Wherein, loadtype testing circuit 222 can support high pass to fill soon that agreement, Samsung fill agreement soon and Lian Fake fills agreement soon, for the charging voltage that judges that portable electron device 200 is required.Voltage regulator circuit 223 is electrically connected with loadtype testing circuit 222, for judging that according to loadtype testing circuit 222 the required charging voltage of portable electron device 200 of gained regulates the charging voltage of precious 20 outputs of charging, makes the charging voltage demand of the voltage conforms portable electron device 200 of precious 20 outputs of charging.Charging circuit 224 is electrically connected with loadtype testing circuit 222 and voltage regulator circuit 223, is used to portable electron device 200 to charge.
More specifically, charging precious 20 can possess 10000mAh or higher capacity, and can have the USB port of one or more standards, can charge for multiple portable electron devices 200 simultaneously.Portable electron device 200 can be mobile phone, panel computer, PDA(Personal Digital Assistant, personal digital assistant) or GPS(Global Position System, global positioning system) device, but not as limit.Portable electron device 200 also supports high pass to fill soon that agreement, Samsung fill agreement soon and Lian Fake fills agreement soon.
Charging precious 20 is electrically connected by USB port 202 and portable electron device 200, USB port 202 has supply pin VBUS, grounding leg GND and two signal pin D+(Digital Positive), D-(Digital Minus), loadtype testing circuit 222 and voltage regulator circuit 223 are all electrically connected with supply pin VBUS and two signal pin D+, D-, and power management chip 22 is electrically connected with grounding leg GND.
It should be noted that, in the present embodiment, loadtype testing circuit 222 and portable electron device 200 all can support high pass to fill soon agreement simultaneously, Samsung fills soon agreement and Lian Fake fills agreement soon, but the utility model is not as limit, in other embodiments, loadtype testing circuit 222 and portable electron device 200 can support high pass to fill soon agreement, Samsung fill soon agreement and Lian Fake fill soon these three kinds of agreements of agreement wherein one of at least, and loadtype testing circuit 222 and the supported agreement of portable electron device 200 have corresponding relation, for example, in the time that loadtype testing circuit 222 supports that high pass is filled agreement soon, portable electron device 200 is also corresponding supports high pass to fill soon agreement, so, charging precious 20 can realize and portable electron device 200 communications, with the charging voltage grade that judges that portable electron device 200 is required.It is for example high pass QC2.0(Quick Charge2.0 that high pass is filled agreement soon) fill soon agreement, Samsung fills soon agreement and for example fills soon agreement for Samsung FC, but not as limit.
The operation principle of charging precious 20 is:
When use, in the time that charging precious 20 detects external loading access or is apprised of external charging, first to supply pin VBUS input 5V voltage, portable electron device 200 determines the change in voltage on supply pin VBUS, and first according to BC1.2(Battery Charging1.2) charging standard detects, and judges whether the special USB charge port of USB communication port or the computer of special charging device interface or computer.If after judgement is special charging device interface, because portable electron device 200 is supported high pass and is filled soon agreement, Samsung fills soon agreement and Lian Fake fills agreement soon, portable electron device 200 can change two signal pin D+ in USB port, the voltage of D-, or change the electric current on supply pin VBUS, support high pass to fill soon agreement and be integrated with in charging precious 20, Samsung fills soon agreement and Lian Fake fills the loadtype testing circuit 222 of agreement soon, loadtype testing circuit 222 is easy to determine curent change or two the signal pin D+ of supply pin VBUS, change in voltage on D-, and according to the voltage of definite which kind of grade that need to above export to supply pin VBUS of corresponding specification.The corresponding charging voltage of electric pressure regulation output that need to above export to supply pin VBUS that voltage regulator circuit 223 is determined according to loadtype testing circuit 222, thus realize high-voltage charging.
In the present embodiment, the voltage of battery 24 of precious 20 inside of charging can be single-lithium-battery pond and is less than 4.5V(such as 4.2V), voltage regulator circuit 223 adjusting of can boosting, the charging voltage of precious 20 outputs of charging is except conventional 5V DC charging voltage, also can be 7V, 9V, the DC charging voltage of a series of high value classes such as 12V or 20V, be conducive to improve peak power output, and then the charging current of raising portable electron device 200, shorten the charging interval, but the utility model is not as limit, in other embodiments, charging the magnitude of voltage of battery 24 of precious 20 inside also can be higher, voltage regulator circuit 223 carries out reduction regulation according to actual charging demand, for example, the voltage of battery 24 of precious 20 inside of charging is 12.6V (three joint series-connected cells), the required charging voltage of portable electron device 200 is 9V, 223 of voltage regulator circuits carry out reduction regulation, the output voltage of charging precious 20 is adjusted to 9V.Therefore, voltage regulator circuit 223 has the two-way regulating function of the adjusting of boosting and reduction regulation.
As follows by regulating charging voltage can shorten the cause description in 200 charging intervals of portable electron device why:
Taking precious 20 output voltage 9V, output current 2.1A, power output the P1 '=9V*2.1A=18.9W(watt of charging) as example, with the precious 10(of existing charging referring to Fig. 1) output voltage 5V, output current 2.1A, power output P2 '=5V*2.1A=10.5W comparison, consider the USB line loss of 0.88W, the getable maximum output charge power of portable electron device 200 is respectively P1=18.9-0.88=18.02W and P2=10.5-0.88=9.62W, and maximum output charge power improves (P1-P2)/P2=87.3%.If the maximum charging current that in two kinds of situations, portable electron device 200 charge inside circuit efficiencies approach and charge inside circuit can allow is enough large, suppose the corresponding constant current charge stream of output voltage 9V, output current 2.1A I1, charging interval when voltage U is T1, and the corresponding constant current charge stream of output voltage 5V, output current 2.1A I2, charging interval when voltage U is T2; And can draw according to formula electric weight Q=IT and power P=UI, in the situation of portable electron device 200 constant current charges, savable charging interval ratio is (T2-T1)/T2=(P1-P2)/P1=87.3/187.3=46.6%.
With respect to prior art, if USB cable impedance is higher in prior art, or precious 20 output voltages that charge (such as for 4.75V) on the low side, the precious 10(that charges is referring to Fig. 1) charging interval can significantly elongate and be even not fully filled; And in the utility model, due to can be far above the maximum charging voltage of the battery of portable electron device 200 to the charging voltage of portable electron device 200 charge inside circuit inputs, can shorten the charging interval and can avoid the situation that battery is not fully filled to occur.
It should be noted that, the present embodiment has only been listed conventional 7V/9V/12V/20V etc. higher than 5V and has been filled soon agreement, Samsung by high pass and fill soon agreement and Lian Fake and fill soon agreement and support " high pressure " charge point, but the utility model does not limit the charging voltage value of precious 20 outputs of charging, and the utility model also can adopt new high-voltage charging agreement and different high charge magnitudes of voltage.
In sum, the utility model charging treasured at least has advantages of following:
1. in charging treasured of the present utility model, because the precious inside of charging is provided with loadtype testing circuit and voltage regulator circuit, loadtype testing circuit can judge the charging voltage that portable electron device is required, voltage regulator circuit regulates the charging voltage of the precious output of charging according to this charging voltage, thereby the charging voltage grade of the precious output of charging can be set arbitrarily according to the actual requirements, can realize high-voltage charging, increase charge power, shorten the charging interval.
2. in an embodiment of charging treasured of the present utility model, charge precious loadtype testing circuit and portable electron device all supports high pass to fill soon that agreement, Samsung fill agreement soon and Lian Fake fills agreement soon simultaneously, thereby realize the mutual communication between charging treasured and portable electron device, facilitate confirmation need to above input to supply pin VBUS the high pressure of which kind of grade.
3. in an embodiment of charging treasured of the present utility model, the precious voltage regulator circuit that charges has the two-way regulating function of the adjusting of boosting and reduction regulation, by the regulating action of voltage regulator circuit, the precious exportable charging voltage higher than input voltage of charging, also the exportable charging voltage lower than input voltage, to meet the charging demand of different types of portable electron device.
4. in an embodiment of charging treasured of the present utility model, charging treasured has multiple USB port, can be multiple portable electron devices chargings simultaneously.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a charging precious (20), be used to portable electron device (200) charging, described charging precious (20) comprises power management chip (22) and battery (24), it is characterized in that, described power management chip (22) comprises loadtype testing circuit (222) and voltage regulator circuit (223), described loadtype testing circuit (222) is for judging the required charging voltage of described portable electron device (200), described voltage regulator circuit (223) is electrically connected with described loadtype testing circuit (222), for regulate the charging voltage of described charging precious (20) output according to the required charging voltage of described portable electron device (200).
2. charging as claimed in claim 1 precious (20), it is characterized in that: described charging precious (20) also comprises charging circuit (224), described charging circuit (224) is electrically connected with described loadtype testing circuit (222) and described voltage regulator circuit (223), is used to described portable electron device (200) charging.
3. charging as claimed in claim 1 precious (20), is characterized in that: described loadtype testing circuit (222) and described portable electron device (200) all support high pass to fill soon that agreement, Samsung fill agreement soon and Lian Fake fills agreement soon.
4. charging as claimed in claim 1 precious (20), is characterized in that: described charging precious (20) is electrically connected by USB port (202) and described portable electron device (200).
5. charging as claimed in claim 4 precious (20), it is characterized in that: described USB port (202) has supply pin (VBUS) and two signal pins (D+, D-), described loadtype testing circuit (222) and described voltage regulator circuit (223) are all electrically connected with described supply pin (VBUS) and described signal pin (D+, D-).
6. charging as claimed in claim 5 precious (20), is characterized in that: described USB port (202) also has grounding leg (GND), and described power management chip (22) is electrically connected with described grounding leg (GND).
7. charging as claimed in claim 1 precious (20), is characterized in that: the charging voltage of described charging precious (20) output is 5 volts, 7 volts, 9 volts, 12 volts or 20 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058966.6U CN203800645U (en) | 2014-02-07 | 2014-02-07 | Charging Po |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058966.6U CN203800645U (en) | 2014-02-07 | 2014-02-07 | Charging Po |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800645U true CN203800645U (en) | 2014-08-27 |
Family
ID=51382833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420058966.6U Expired - Fee Related CN203800645U (en) | 2014-02-07 | 2014-02-07 | Charging Po |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823392A (en) * | 2017-04-05 | 2017-06-13 | 赵红领 | USB power supply rail toy vehicle systems |
| CN107196357A (en) * | 2017-05-09 | 2017-09-22 | 中兴通讯股份有限公司 | A kind of charging equipment, terminal device and charging method, charging monitoring method |
-
2014
- 2014-02-07 CN CN201420058966.6U patent/CN203800645U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823392A (en) * | 2017-04-05 | 2017-06-13 | 赵红领 | USB power supply rail toy vehicle systems |
| CN107196357A (en) * | 2017-05-09 | 2017-09-22 | 中兴通讯股份有限公司 | A kind of charging equipment, terminal device and charging method, charging monitoring method |
| WO2018205684A1 (en) * | 2017-05-09 | 2018-11-15 | 中兴通讯股份有限公司 | Charging device, terminal device, charging method, charging monitoring method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20170207 |