CN202840602U - USB intelligent charger - Google Patents
USB intelligent charger Download PDFInfo
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- CN202840602U CN202840602U CN201220482742.9U CN201220482742U CN202840602U CN 202840602 U CN202840602 U CN 202840602U CN 201220482742 U CN201220482742 U CN 201220482742U CN 202840602 U CN202840602 U CN 202840602U
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- 238000007600 charging Methods 0.000 claims abstract description 81
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000004224 protection Effects 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000002641 lithium Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a USB intelligent charger. The USB intelligent charger comprises a USB input interface for providing a power supply for the USB intelligent charger, an output interface for connecting with a charging device and outputting the charging voltage, a voltage acquisition unit for acquiring the current voltage of a battery of the charging device, a state indication unit for indicating the current charging state of the charging device and a control unit for controlling the charging state indicated by the state indication unit according to the current voltage of the battery acquired by the voltage acquisition unit, wherein the charging state comprises the level of the battery of the charging device. When the USB intelligent charger charges, the control unit controls the state indication unit to indicate the level of the battery according to the voltage of the battery of the charging device acquired by the voltage acquisition unit, therefore the charging state is visually reflected.
Description
Technical field
The utility model relates to a kind of charging device, particularly relates to a kind of USB intelligent charger.
Background technology
At present on the market USB charger all is directly to provide power supply for lithium ion battery (perhaps being called lithium battery), is full of to reflect intuitively that charging finishes behind the electricity, need to just can see at mobile phone terminal, and the while can not be full of rear automatic cut-off power.The long-time charging of battery may cause overcharging, and any type of the overcharging of battery all can cause battery performance to be subject to heavy damage, even blast.
Therefore, control the charging process of rechargeable battery, to prevent over-charging of battery.Traditional protection to lithium ion battery generally is in the lithium battery group, and a slice baffle is set, and in order to monitor the charging voltage upper limit, discharge voltage lower limit, to reach three of upper current limit, battery is protected.But three protections of this of baffle also can be lost efficacy sometimes, cause battery to damage.
In addition, if the safeguard procedures of electronics are all failed, just remaining one last defence line.Last line of defense is provided by battery core.The safe class of battery core is distinguished with the ability that overcharges generally according to battery core opposing external short circuit.Before the battery explosion, if inside has lithium atom to be deposited in material surface, the brisance of battery can be larger.Because the protection that overcharges is often used only surplus one defence line of charger inferior because of the consumer, the ability of the anti-external short circuit of all battery core anti-over-chargings energy force rates is more important.
Therefore, USB charger fail safe commonly used is low, can't intuitively show the charged state (charged state herein refers to battery electric weight in the battery in charging process) of battery.
The utility model content
Based on this, be necessary to provide a kind of USB intelligent charger that can intuitively reflect charged state.
A kind of USB intelligent charger, being included as described USB intelligent charger provides the USB input interface and the output interface that is connected connecting charging device and exports charging voltage of power supply, described USB intelligent charger also comprises the voltage acquisition unit that the current voltage to the battery of charging device gathers, the state indication unit that the current charged state of charging device is indicated and the control unit of the charged state of state indication unit indication being controlled according to the current voltage of the battery of described voltage acquisition unit collection, described charged state comprises the electric weight situation of the battery of charging device.
Therein among embodiment, described state indication unit comprises at least three status indicator lamps, the current voltage output control signal of the battery that described control unit basis increases gradually drives corresponding status indicator lamp and lights successively, is used to indicate the electric weight percentage of corresponding battery.
Among embodiment, described control unit also drives the status indicator lamp flicker that does not light therein.
Therein among embodiment, the quantity of described status indicator lamp is four, described control unit is that model is the single-chip microcomputer of PC16C620, described model is that the PORTB1 end of the single-chip microcomputer of PC16C620 links to each other with described voltage acquisition unit, PORTA3 end, PORTB7 end, PORTA0 end and PORTB3 end link to each other with status indicator lamp, and vdd terminal links to each other with the power end of USB input interface.
Therein among embodiment, described USB intelligent charger also comprises the switch element that links to each other with the USB input interface, described control unit outputs signal to described switch element according to the current voltage of the battery of described voltage acquisition unit collection, described switch element according to the signal deciding of control unit output whether to the battery charging of charging device.
Therein among embodiment, described switch element comprises control signal converting unit and diverter switch, described control signal converting unit converts the control signal of control unit output to the charging control signal of charging device, the mutually conversion between charged state and data transmission state of described control signal converting unit control USB input interface, one end of described control signal converting unit links to each other with described control unit, the other end links to each other with described diverter switch, described diverter switch comprises the first pin, the second pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, described the first pin links to each other with a data terminal of USB input interface, described the 6th pin links to each other with another data terminal of USB input interface, described the second pin links to each other with a data terminal of output interface, described the 5th pin links to each other with another data terminal of output interface, described the 3rd pin links to each other with an end of described control signal converting unit with described the 4th pin, and the power end of described USB input interface links to each other with the power end of described output interface.
Therein among embodiment, described control signal converting unit comprises at least two the first resistance and the second resistance that resistance is identical, described the first resistance and described the second resistance are in series, and described the first resistance links to each other with the 3rd pin and the 4th pin of described diverter switch with the junction of described the second resistance.
Among embodiment, described voltage acquisition unit comprises sampling resistor and the filter capacitor that is in parallel therein, an end ground connection of described sampling resistor and filter capacitor, and the other end links to each other with the earth terminal of control unit and output interface.
Above-mentioned USB intelligent charger is when charging, and the voltage of the battery of the charging device that control unit collects by voltage acquisition unit comes the electric weight of state of a control indicating member pilot cell, thereby reflects intuitively charged state.
Description of drawings
Fig. 1 is the USB intelligent charger circuit diagram of an embodiment.
Embodiment
Please refer to Fig. 1, an embodiment provides a kind of USB intelligent charger, and this USB intelligent charger is included as the USB input interface 110 and the output interface 160 that is connected connecting charging device and exports charging voltage that this USB intelligent charger provides power supply.In addition, the control unit 150 that the current voltage of the state indication unit 140 that this USB intelligent charger also comprises voltage acquisition unit 150 that the current voltage to the battery of charging device gathers, indicate the current charged state of charging device and the battery that gathers according to voltage acquisition unit 150 is controlled the charged state of state indication unit 140 indications, charged state herein comprises the electric weight situation of the battery of charging device.Like this, this USB intelligent charger can be by the electric weight of state indication unit 140 visual indication batteries.
The USB input interface 110 of this USB intelligent charger can be connected with USB interface commonly used.This USB input interface 110 comprises power end VCC, data terminal DATA+ and DATA-and earth terminal GND.
The output interface 160 of this USB intelligent charger is corresponding with USB input interface 110.This output interface 160 also comprises power end VCC, data terminal DATA+ and DATA-and earth terminal PGND.The power end VCC of this USB input interface 110 is connected with the VCC of output interface 160.
This USB intelligent charger also comprises switch element 120, and switch element 120 comprises control signal converting unit 121 and diverter switch SW1.Described control signal converting unit 121 converts the control signal of control unit 130 outputs to the charging control signal of charging device, the mutually conversion between charged state and data transmission state of described diverter switch SW1 control USB input interface.One end of control signal converting unit 121 links to each other with control unit 130, and the other end links to each other with diverter switch SW1.
Diverter switch SW1 comprises the first pin, the second pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, respectively in the corresponding diagram 1,2,3,4,5,6 of diverter switch SW1.A data terminal of the first pin and USB input interface 110, for example DATA+ links to each other, the 6th pin links to each other with another data terminal DATA-of USB input interface, the second pin links to each other with a data terminal DATA+ of output interface, the 5th pin links to each other with another data terminal DATA-of output interface, and the 3rd pin links to each other with an end of control signal converting unit 121 with the 4th pin.
Like this, diverter switch SW1 can be by linking to each other the first pin with the second pin, and the 5th pin links to each other with the 6th pin, and the second pin and the 3rd pin disconnect, and the 4th pin and the 5th pin disconnect, and make this USB intelligent charger be operated in data transmission state.This diverter switch SW1 also can be by disconnecting the first pin and the second pin, and the 5th pin and the 6th pin disconnect, and the second pin links to each other with the 3rd pin, and the 4th pin links to each other with the 5th pin, and makes this USB intelligent charger be operated in charged state.Therefore this diverter switch SW1 can realize the function of mutual conversion between charged state and data transmission state.
The control signal converting unit 121 of this USB intelligent charger comprises at least two the first resistance and the second resistance that resistance is identical, the first resistance and the second resistance are in series, and the first resistance links to each other with the 3rd pin and the 4th pin of diverter switch SW1 with the junction of the second resistance.Resistance among the figure is four and is respectively the first resistance R 7, the second resistance R 8, the 3rd resistance R 9 and the 4th resistance R 10, and their prevention is identical.Wherein the first resistance R 7 and the second resistance R 8 are in series, and the 3rd resistance R 9 and the 4th resistance R 10 are in series.The first resistance R 7 links to each other with the 3rd pin of diverter switch SW1 with the junction of the second resistance R 8.The 3rd resistance R 9 links to each other with the 4th pin of diverter switch SW1 with the junction of the 4th resistance R 10.
When diverter switch SW1 was in charged state, control unit 130 sent control signal, and control signal converting unit 121 converts this control signal to the charging control signal of charging device, thereby made charging device begin charging.Charging device herein is that a class need to be received the equipment that signal just can begin to charge at power port at data transmission interface, and therefore the voltage input need to be arranged at data terminal DATA+, the DATA-of output interface 160.
The voltage acquisition unit 150 of this USB intelligent charger comprises sampling resistor R9 and filter capacitor C1, the C2 that is in parallel, and is two filter capacitors herein, is respectively the first filter capacitor C1 and the second filter capacitor C2.The end ground connection of this sampling resistor R9, the other end links to each other with the earth terminal PGND of control unit 130 and output interface 160.The end ground connection of the first filter capacitor C1 and the second filter capacitor C2, the other end links to each other with the earth terminal PGND of control unit 130 and output interface 160.This sampling resistor R9 is used for gathering the voltage of charging device.
The control unit 130 of this USB intelligent charger is the single-chip microcomputer U1 of PC16C620 for model.This model is that the PORTA4 end (pin 11 of U1 in the corresponding diagram) of the single-chip microcomputer U1 of PC16C620 links to each other with switch element 120, PORTB1 end (pin 7 of U1 in the corresponding diagram) links to each other with voltage acquisition unit 150, PORTA3 end (pin 1 of U1 in the corresponding diagram), PORTB7 end (pin 2 of U1 in the corresponding diagram), PORTA0 end (pin 15 of U1 in the corresponding diagram) and PORTB3 end (pin 16 of U1 in the corresponding diagram) link to each other with state indication unit 140, and vdd terminal (pin 12 of U1 in the corresponding diagram) links to each other with the power end VCC of USB input interface 110.Model is the work that the single-chip microcomputer U1 of PC16C620 just can realize coming according to the signal that voltage acquisition unit 150 collects control switch unit 120 and state indication unit 140 like this.
This model is that the single-chip microcomputer U1 of PC16C620 can design as required, with the work of control switch unit 120 with state indication unit 140.The electric weight that for example can be filled with according to charging device, the electric weight that is filled with of charging device is corresponding with the voltage that voltage acquisition unit 150 collects herein, comes state of a control indicating member 140 corresponding states.
The state indication unit 140 of this USB intelligent charger comprises that at least three are connected in the power end VCC of USB input interface 110 and the status indicator lamp between the control unit 130.The current voltage output control signal of the battery that control unit 150 bases increase gradually drives corresponding status indicator lamp and lights successively, is used to indicate the electric weight percentage of corresponding battery.Control unit 150 also drives the status indicator lamp flicker that does not light.Status indicator lamp herein is light-emitting diode.The quantity of the light-emitting diode among the figure is four, be respectively the first light-emitting diode D1, the second light-emitting diode D2, the 3rd light-emitting diode D3 and the 4th light-emitting diode D4.Each light-emitting diode in these four light-emitting diodes is all connected with a resistance, and then is that PORTA0 end, PORTB3 end, PORTA3 end and the PORTB7 end of the single-chip microcomputer U1 of PC16C620 links to each other with model respectively.For example, the first light-emitting diode D1 and resistance R 1 are in series, and then the end of R1 is that the PORTA0 end of the single-chip microcomputer U1 of PC16C620 links to each other with model again.Model is that the single-chip microcomputer U1 of PC16C620 just can control respectively the bright dark of each light-emitting diode like this, to react different states.
For example, when the electric weight of rechargeable battery reach electric weight when self being full of 25% before, four light-emitting diodes glimmer successively, frequency is 1Hz, four light-emitting diodes glimmer successively in namely per 1 second.When reaching 25%, one of them light-emitting diode Chang Liang, other three flickers, frequency 1Hz.Two light-emitting diode Chang Liang wherein when reaching 50%, other two flickers, frequency 1Hz.When reaching 75%, three light-emitting diode Chang Liang wherein, the another one flicker, frequency 1Hz, namely per 1 second another one LED flash is once.When reaching 100%, four light-emitting diodes are simultaneously entirely bright, and at this moment expression charging is finished.Other demonstration situation that also can adopt light-emitting diode to have is herein indicated charged state, as long as write suitable program in model is the single-chip microcomputer U1 of PC16C620.For example, can also adopt the flicker frequency of light-emitting diode to indicate different charged states herein.When the electric weight of rechargeable battery reach electric weight when self being full of 25% before, four light-emitting diodes glimmer successively, frequency is 1Hz.When reaching 25%, four light-emitting diodes glimmer frequency 0.5Hz successively.When reaching 50% its, four light-emitting diodes glimmer frequency 0.25Hz successively.When reaching 75%, four light-emitting diodes glimmer frequency 0.125Hz successively.When reaching 100%, four light-emitting diodes are simultaneously entirely bright, and at this moment expression charging is finished.
During this USB intelligent charger work, the user can select data transmission state and charged state by diverter switch SW1.SW1 is in data transmission state when diverter switch, namely the first pin links to each other with the second pin, the 5th pin links to each other with the 6th pin, the second pin and the 3rd pin disconnect, when the 4th pin and the 5th pin disconnect, data will be sent to from data terminal DATA+, the DATA-of USB input interface 110 data terminal DATA+, the DATA-of output interface 160.Can realize like this equipment that is connected on the output interface 160 is carried out transfer of data.
SW1 is in charged state when diverter switch, and namely the first pin and the second pin disconnect, and the 5th pin and the 6th pin disconnect, and the second pin links to each other with the 3rd pin, and when the 4th pin linked to each other with the 5th pin, control unit 130 will send control signal; Control signal transfers to the control signal converting unit 120 of switch element 120, and this control signal converting unit 120 can convert control signal to the charging device that is connected on the output interface 160 and start the required signal of charging; Be connected to and begin charging after charging device on the output interface 160 is received this control signal, electric current can flow to output interface 160 from USB input interface 110, and enters charging device.
In charging process, control unit 130 can detect the voltage that voltage acquisition unit 150 collects always, and the work of exporting control signal and state of a control indicating member 140 according to this voltage, for example, when the electric weight of rechargeable battery reach electric weight when self being full of 25% before, four light-emitting diodes of state indication unit 140 glimmer successively, and frequency is 1Hz.When reaching 25%, one of them light-emitting diode Chang Liang, other three flickers, frequency 1Hz.Two light-emitting diode Chang Liang wherein when reaching 50%, other two flickers, frequency 1Hz.When reaching 75%, three light-emitting diode Chang Liang wherein, another one flicker, frequency 1Hz.When reaching 100%, four light-emitting diodes are simultaneously entirely bright, and at this moment expression charging is finished.
In the charging process, the user can initiatively go to cut off the electricity supply according to the demonstration of state indication unit 140, thereby reaches the protection charging device, prolongs the purpose of the battery life of charging device.
When charging is finished and when the user did not still initiatively cut off the electricity supply after a period of time (a period of time herein for example is one minute), control unit 130 can stop switch element 120 is sent control signal, perhaps sends the control signal of complete charge.Charging device just stops to accept the electric current that transmits from output interface 160 like this.Reach the battery of protection charging device, postpone the purpose of battery life.
This USB intelligent charger is when charging, and control unit 130 is controlled the charging device whether USB input interface 110 connect output interface 160 by the voltage of the charging device that detects voltage acquisition unit 150 and collect and charged.In charging process, state indication unit 140 can show the electric weight situation of the battery of charging device intuitively, makes things convenient for the user to judge the electric weight that battery is interior.When charging device was full of electricity, the state indication unit of this USB intelligent charger 140 can show that charging finishes, thus reminding user cut off the electricity supply, thereby the battery of protection charging device.If the user does not cut off the electricity supply within a certain period of time, this USB intelligent charger can stop charging automatically, thereby reduces the harm to the battery of charging device, prolongs the useful life of the battery of charging device.Therefore the state indication unit 140 of this USB intelligent charger can reflect the electric weight of the battery of the charging device that links to each other with this USB intelligent charger very intuitively, is user-friendly to.In addition, this USB intelligent charger can automatic cut-off power after charging is finished, the protection battery.
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, without departing from the concept of the premise utility, 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 (8)
1. USB intelligent charger, being included as described USB intelligent charger provides the USB input interface and the output interface that is connected connecting charging device and exports charging voltage of power supply, it is characterized in that, described USB intelligent charger also comprises the voltage acquisition unit that the current voltage to the battery of charging device gathers, the state indication unit that the current charged state of charging device is indicated and the control unit of the charged state of state indication unit indication being controlled according to the current voltage of the battery of described voltage acquisition unit collection, described charged state comprises the electric weight situation of the battery of charging device.
2. USB intelligent charger according to claim 1, it is characterized in that, described state indication unit comprises at least three status indicator lamps, the current voltage output control signal of the battery that described control unit basis increases gradually drives corresponding status indicator lamp and lights successively, is used to indicate the electric weight percentage of corresponding battery.
3. USB intelligent charger according to claim 2 is characterized in that, described control unit also drives the status indicator lamp flicker that does not light.
4. according to claim 2 or 3 described USB intelligent chargers, it is characterized in that, the quantity of described status indicator lamp is four, described control unit is that model is the single-chip microcomputer of PC16C620, described model is that the PORTB1 end of the single-chip microcomputer of PC16C620 links to each other with described voltage acquisition unit, PORTA3 end, PORTB7 end, PORTA0 end and PORTB3 end link to each other with status indicator lamp, and vdd terminal links to each other with the power end of USB input interface.
5. USB intelligent charger according to claim 1, it is characterized in that, described USB intelligent charger also comprises the switch element that links to each other with the USB input interface, described control unit outputs signal to described switch element according to the current voltage of the battery of described voltage acquisition unit collection, described switch element according to the signal deciding of control unit output whether to the battery charging of charging device.
6. USB intelligent charger according to claim 5, it is characterized in that, described switch element comprises control signal converting unit and diverter switch, described control signal converting unit converts the control signal of control unit output to the charging control signal of charging device, the mutually conversion between charged state and data transmission state of described control signal converting unit control USB input interface, one end of described control signal converting unit links to each other with described control unit, the other end links to each other with described diverter switch, described diverter switch comprises the first pin, the second pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, described the first pin links to each other with a data terminal of USB input interface, described the 6th pin links to each other with another data terminal of USB input interface, described the second pin links to each other with a data terminal of output interface, described the 5th pin links to each other with another data terminal of output interface, described the 3rd pin links to each other with an end of described control signal converting unit with described the 4th pin, and the power end of described USB input interface links to each other with the power end of described output interface.
7. USB intelligent charger according to claim 6, it is characterized in that, described control signal converting unit comprises at least two the first resistance and the second resistance that resistance is identical, described the first resistance and described the second resistance are in series, and described the first resistance links to each other with the 3rd pin and the 4th pin of described diverter switch with the junction of described the second resistance.
8. USB intelligent charger according to claim 1, it is characterized in that, described voltage acquisition unit comprises sampling resistor and the filter capacitor that is in parallel, an end ground connection of described sampling resistor and filter capacitor, and the other end links to each other with the earth terminal of control unit and output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220482742.9U CN202840602U (en) | 2012-07-27 | 2012-09-20 | USB intelligent charger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264219.3 | 2012-07-27 | ||
| CN201210264219 | 2012-07-27 | ||
| CN201220482742.9U CN202840602U (en) | 2012-07-27 | 2012-09-20 | USB intelligent charger |
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| CN202840602U true CN202840602U (en) | 2013-03-27 |
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| CN201220482742.9U Expired - Lifetime CN202840602U (en) | 2012-07-27 | 2012-09-20 | USB intelligent charger |
| CN201210352018.9A Active CN102916463B (en) | 2012-07-27 | 2012-09-20 | USB intelligent charger |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210352018.9A Active CN102916463B (en) | 2012-07-27 | 2012-09-20 | USB intelligent charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916463A (en) * | 2012-07-27 | 2013-02-06 | 深圳市显盈电子科技有限公司 | Intelligent USB (universal serial bus) charger |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015003376A1 (en) * | 2013-07-11 | 2015-01-15 | 吉瑞高新科技股份有限公司 | Usb charger for electronic cigarette |
| KR102085684B1 (en) * | 2014-12-31 | 2020-03-06 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Charging protection method and apparatus |
| CN106300507A (en) * | 2016-08-11 | 2017-01-04 | 乐视控股（北京）有限公司 | A kind of method that charge volume shows and charger |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113511Y (en) * | 2007-10-24 | 2008-09-10 | 董俊熙 | Intelligent USB charger |
| DE102009027571A1 (en) * | 2009-07-09 | 2011-05-12 | Robert Bosch Gmbh | Battery charging case |
| CN201975656U (en) * | 2010-12-24 | 2011-09-14 | 王浩 | Switching-over device with charging function |
| CN202068063U (en) * | 2011-05-18 | 2011-12-07 | 永山科技有限公司 | Wire module capable of simultaneously realizing quick charge and data transmission of electronic device |
| CN202840602U (en) * | 2012-07-27 | 2013-03-27 | 深圳市显盈电子科技有限公司 | USB intelligent charger |
-
2012
- 2012-09-20 CN CN201220482742.9U patent/CN202840602U/en not_active Expired - Lifetime
- 2012-09-20 CN CN201210352018.9A patent/CN102916463B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916463A (en) * | 2012-07-27 | 2013-02-06 | 深圳市显盈电子科技有限公司 | Intelligent USB (universal serial bus) charger |
| CN102916463B (en) * | 2012-07-27 | 2015-08-19 | 深圳市显盈电子科技有限公司 | USB intelligent charger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102916463A (en) | 2013-02-06 |
| CN102916463B (en) | 2015-08-19 |
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Address after: Jincheng Street 518000 Shenzhen Road, Guangdong province Baoan District manhole No. 2070 stone buildings (manhole) Hong Kong Industrial Park B building 3-5 layer Patentee after: FULLINK TECHNOLOGY CO.,LTD. Address before: The 518000 Guangdong city of Shenzhen province Baoan District Fuyong Tong Mei community road second building third layer Patentee before: FULLINK ELECTRONICS TECHNOLOGY (SHENZHEN) CO.,LTD. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 101, building 7, Jiada Industrial Park, west side of Honghu East Road, Yanchuan community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: FULLINK TECHNOLOGY Co.,Ltd. Address before: Jincheng Street 518000 Shenzhen Road, Guangdong province Baoan District manhole No. 2070 stone buildings (manhole) Hong Kong Industrial Park B building 3-5 layer Patentee before: FULLINK TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |