CN104701934A - USB (universal serial bus) charging circuit capable of adjusting output voltage and current - Google Patents
USB (universal serial bus) charging circuit capable of adjusting output voltage and current Download PDFInfo
- Publication number
- CN104701934A CN104701934A CN201510068836.XA CN201510068836A CN104701934A CN 104701934 A CN104701934 A CN 104701934A CN 201510068836 A CN201510068836 A CN 201510068836A CN 104701934 A CN104701934 A CN 104701934A
- Authority
- CN
- China
- Prior art keywords
- current
- usb
- output
- voltage
- charging circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
- 240000007711 Peperomia pellucida Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Classifications
-
- H02J7/045—
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a USB (universal serial bus) charging circuit capable of adjusting output voltage and current. The USB charging circuit comprises a power supply module; the power supply module is connected with a voltage-regulating and current-regulating module and a control part of a single chip; the voltage-regulating and current-regulating module is connected with a current detecting circuit, and the current detecting circuit is connected with a USB output interface, and connected with the control part of the single chip through a current detection input circuit; the control part of the single chip is connected with the voltage-regulating and current-regulating module through a voltage output control circuit and a current output control circuit. The USB charging circuit improves the product using scale of a charger, and is applicable to the power demand of MP3, e-book, learning machine, mobile phone, tablet computer, handheld game player and others; it is not required to purchase excessive charger, so that the purchasing cost is reduced, and waste is decreased; the using scale of the charger is improved, multiple uses in one device, and it is more convenient in daily life; the demand of different power devices can be satisfied only by carrying one charger in business trip or travel, therefore, the USB charging circuit is more convenient to use.
Description
Technical field
The invention belongs to USB charging circuit technical field, be specifically related to a kind of USB charging circuit possessing adjustment output voltage size of current.
Background technology
Information technology is advanced by leaps and bounds, and the performance of all kinds of power consumption equipment and various mobile phone is also more and more high, and to providing, the battery request of power supply is also more and more higher.The USB(USB that traditional power consumption equipment genuine is equipped with) output voltage of charger and electric current be fixing, different power consumption equipments will be equipped with different chargers, causes the wasting of resources; USB interface above the USB socket of unified standard and main frame, output voltage is same with electric current can not be applicable to all power consumption equipments, or charging voltage, electric current are excessive or charging voltage, electric current are too small.
, in use there is lower column defects in these traditional USB charging devices:
1. the USB interface above main frame, output voltage 5V electric current 500mA, to requiring that the power consumption equipment charging that input current is greater than 500mA can cause the prolongation charging interval, but can not shut down computer to charge, the power-off when battery fails to be full of, have impact on battery.
2. the output voltage electric current of traditional USB charging adapter is generally 5V, 1000mA, within the scope of GB, but optimum can only be used in the power consumption equipment requiring input current 1000mA, for requiring that input current is less than the power consumption equipment of 1000mA, then can cause over-charging of battery, caloric value is large and shorten other fortuitous events such as battery life.
3., for the panel computer of a large amount of use at present, input voltage is generally at 5V to 12V, and input current is generally at 1A-2.5A, and this USB charging adapter just causing tradition to export 5V-1A/2A cannot use, and can only additionally buy special charging adapter.
4. the portable power consumption equipment nowadays in family gets more and more, and man-to-man charge mode causes a large amount of waste of resource and storage inconvenience, and particularly going on business or travelling in way, this phenomenon is more serious.
Summary of the invention
For solving the problem, the invention provides a kind of USB charging circuit possessing adjustment output voltage size of current, this USB charging circuit can export the electric current and voltage with its optimum Match according to different power consumption equipment.
The object of the invention is to realize in the following manner:
Possesses the USB charging circuit of adjustment output voltage size of current, comprise supply module, described supply module and pressure regulation adjust flow module and singlechip control part to be connected, pressure regulation adjusts flow module to be connected with current detection circuit, current detection circuit is connected with USB output interface, current detection circuit is connected with singlechip control part by current detecting incoming line, and singlechip control part adjusts flow module to be connected by voltage output control lines with electric current output control lines and pressure regulation.
Described USB output interface is A type USB standard female mouth interface, and USB output interface is one or more.
Operating state display screen is connected with singlechip control part, is liquid crystal display or the display of lamp pearl array; Described operating state display screen is one or more.
Described USB output interface output voltage is 5V-12V, and output current is 0.5A-3A.
Described voltage output control lines is more than a road or a road; Electric current output control lines is more than a road or a road.
Current detection circuit is made up of sample resistance, and sample resistance is fixed carbon resister, metallic resistance or wire resistor.
Power consumption equipment access USB output interface, by current detection circuit, power consumption equipment is detected, and the information detected is transferred to singlechip control part by current detecting incoming line, after the internal arithmetic of singlechip control part, control the voltage and current required for pressure regulation tune flow module output power consumption equipment by voltage output control lines and electric current output control lines, then by USB output interface (4), power consumption equipment is charged; Operating state display screen shows voltage and the current parameters that flow module output is adjusted in pressure regulation in real time dynamically.
Relative to prior art, invention increases the product scope of application of charger device, be applicable to the need for electricity of MP3, e-book, learning machine, mobile phone, panel computer, handheld device etc.After adopting such scheme, do not need to buy unnecessary charger, reduce purchase cost, decrease waste; Improve the scope of application of charger, realize multi-use, more convenient in life; Going on business or travelling only needs to carry the demand that a charger can meet different power consumption equipment, uses more portable.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Fig. 2 is circuit diagram of the present invention.
Wherein, 1 is supply module; 2 is that flow module is adjusted in pressure regulation; 3 is singlechip control part; 4 is USB output interfaces; 5 is operating state display screens; 6 is current detection circuits; 7 is current detecting incoming lines; 8 is voltage output control lines; 9 is electric current output control lines.
Embodiment
As shown in accompanying drawing 1-2, possesses the USB charging circuit of adjustment output voltage size of current, comprise supply module 1, described supply module 1 and pressure regulation adjust flow module 2 and singlechip control part 3 to be connected, pressure regulation adjusts flow module 2 to be connected with current detection circuit 6, current detection circuit 6 is connected with USB output interface 4, current detection circuit 6 is connected with singlechip control part 3 by current detecting incoming line 7, and singlechip control part 3 adjusts flow module 2 to be connected by voltage output control lines 8 with electric current output control lines 9 and pressure regulation.
Described USB output interface 4 is A type USB standard female mouth interface, and USB output interface 4 is one or more.
Operating state display screen 5 is connected with singlechip control part 3, is liquid crystal display or the display of lamp pearl array; Described operating state display screen 5 is one or more.
Described USB output interface 4 output voltage is 5V-12V, and output current is 0.5A-3A.
Described voltage output control lines 8 is more than a road or a road; Electric current output control lines 9 is more than a road or a road.
Current detection circuit 6 is made up of sample resistance, and sample resistance is fixed carbon resister, metallic resistance or wire resistor.
The course of work of the present invention is as follows: as shown in Figure 1, power consumption equipment access USB output interface 4, detected by current detection circuit 6 pairs of power consumption equipments, and the information detected is transferred to singlechip control part 3 by current detecting incoming line 7, after the internal arithmetic of singlechip control part 3, controlling pressure regulation by voltage output control lines 8 and electric current output control lines 9 adjusts flow module 2 to export voltage and current required for power consumption equipment, is then charged by USB output interface 4 pairs of power consumption equipments; The voltage that operating state display screen 5 dynamic display pressure regulation in real time adjusts flow module 2 to export and current parameters.
Fig. 2 shows a kind of circuit diagram possessing the USB charging circuit of adjustment output voltage size of current automatically, for singlechip control part 3 and pressure regulation adjust flow module 2 to provide working power after described supply module 1 converts low-voltage direct-current constant voltage constant current power to 220V AC power, detected by current detection circuit 6 pairs of power consumption equipments, and the information detected is transferred to singlechip control part 3 by current detecting incoming line 7, after the internal arithmetic of singlechip control part 3, controlling pressure regulation by voltage output control lines 8 and electric current output control lines 9 adjusts flow module 2 to export voltage and current required for power consumption equipment, power consumption equipment is exported to through USB output interface 4, and by the size of operating state display screen 5 display translation voltage and electric current.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for a person skilled in the art, and not departing under general idea prerequisite of the present invention, can also make some changes and improvements, these also should be considered as protection scope of the present invention.
Claims (7)
1. possesses the USB charging circuit of adjustment output voltage size of current, comprise supply module (1), it is characterized in that: described supply module (1) and pressure regulation adjust flow module (2) and singlechip control part (3) to be connected, pressure regulation adjusts flow module (2) to be connected with current detection circuit (6), current detection circuit (6) is connected with USB output interface (4), current detection circuit (6) is connected with singlechip control part (3) by current detecting incoming line (7), singlechip control part (3) adjusts flow module (2) to be connected by voltage output control lines (8) and electric current output control lines (9) and pressure regulation.
2. the USB charging circuit possessing adjustment output voltage size of current according to claim 1, is characterized in that: described USB output interface (4) is A type USB standard female mouth interface, and USB output interface (4) is one or more.
3. the USB charging circuit possessing adjustment output voltage size of current according to claim 1, is characterized in that: operating state display screen (5) is connected with singlechip control part (3), is liquid crystal display or the display of lamp pearl array; Described operating state display screen (5) is one or more.
4. the USB charging circuit possessing adjustment output voltage size of current according to claim 1, is characterized in that: described USB output interface (4) output voltage is 5V-12V, and output current is 0.5A-3A.
5. the USB charging circuit possessing adjustment output voltage size of current according to claim 1, is characterized in that: described voltage output control lines (8) is more than a road or a road; Electric current output control lines (9) is more than a road or a road.
6. the USB charging circuit possessing adjustment output voltage size of current according to claim 1, it is characterized in that: current detection circuit (6) is made up of sample resistance, sample resistance is fixed carbon resister, metallic resistance or wire resistor.
7. the USB charging circuit possessing adjustment output voltage size of current according to claim 1, it is characterized in that: power consumption equipment access USB output interface (4), by current detection circuit (6), power consumption equipment is detected, and the information detected is transferred to singlechip control part (3) by current detecting incoming line (7), after the internal arithmetic of singlechip control part (3), the voltage and current required for pressure regulation tune flow module (2) output power consumption equipment is controlled by voltage output control lines (8) and electric current output control lines (9), then by USB output interface (4), power consumption equipment is charged, the voltage that operating state display screen (5) dynamic display pressure regulation in real time adjusts flow module (2) to export and current parameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510068836.XA CN104701934A (en) | 2014-09-30 | 2015-02-10 | USB (universal serial bus) charging circuit capable of adjusting output voltage and current |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570278 | 2014-09-30 | ||
| CN2014205702788 | 2014-09-30 | ||
| CN201510068836.XA CN104701934A (en) | 2014-09-30 | 2015-02-10 | USB (universal serial bus) charging circuit capable of adjusting output voltage and current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104701934A true CN104701934A (en) | 2015-06-10 |
Family
ID=53348797
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510068836.XA Pending CN104701934A (en) | 2014-09-30 | 2015-02-10 | USB (universal serial bus) charging circuit capable of adjusting output voltage and current |
| CN201520093917.0U Active CN204391829U (en) | 2014-09-30 | 2015-02-10 | Possesses the USB charging circuit of adjustment output voltage size of current |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093917.0U Active CN204391829U (en) | 2014-09-30 | 2015-02-10 | Possesses the USB charging circuit of adjustment output voltage size of current |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104701934A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471057A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger |
| CN105471040A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger capable of being powered by alternating current of direct current |
| CN105680439A (en) * | 2016-03-23 | 2016-06-15 | 安徽京师方圆信息技术有限公司 | Wind-solar complementary energy management apparatus used for outdoors |
| WO2017114374A1 (en) * | 2015-12-29 | 2017-07-06 | 郑州匠芯电子科技有限公司 | Charger adaptable to different power consumption devices |
| CN109412222A (en) * | 2018-03-07 | 2019-03-01 | 深圳造物部落科技有限公司 | Charging unit with pressure adjusting structure |
| CN116683592A (en) * | 2023-06-09 | 2023-09-01 | 延安大学西安创新学院 | Intelligent power supply circuit |
| CN116683592B (en) * | 2023-06-09 | 2024-07-02 | 延安大学西安创新学院 | Intelligent power supply circuit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701934A (en) * | 2014-09-30 | 2015-06-10 | 孙煜 | USB (universal serial bus) charging circuit capable of adjusting output voltage and current |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572425A (en) * | 2009-06-15 | 2009-11-04 | 江苏工业学院 | Buck-boost adjustable quick charger |
| CN201699441U (en) * | 2010-05-21 | 2011-01-05 | 深圳凯虹移动通信有限公司 | Portable electronic equipment charging line and mobile phone |
| CN102005796A (en) * | 2010-12-07 | 2011-04-06 | 深圳市思倍生电子科技有限公司 | Mobile power supply and control method thereof |
| CN201928043U (en) * | 2010-12-07 | 2011-08-10 | 深圳市思倍生电子科技有限公司 | Movable power supply |
| CN202424265U (en) * | 2012-02-09 | 2012-09-05 | 广州市君盘实业有限公司 | Multifunctional intelligent charger based on single chip microcomputer |
| CN103227483A (en) * | 2013-01-25 | 2013-07-31 | 深圳市创益科技发展有限公司 | Solar charger capable of charging various batteries |
| CN204391829U (en) * | 2014-09-30 | 2015-06-10 | 孙煜 | Possesses the USB charging circuit of adjustment output voltage size of current |
-
2015
- 2015-02-10 CN CN201510068836.XA patent/CN104701934A/en active Pending
- 2015-02-10 CN CN201520093917.0U patent/CN204391829U/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572425A (en) * | 2009-06-15 | 2009-11-04 | 江苏工业学院 | Buck-boost adjustable quick charger |
| CN201699441U (en) * | 2010-05-21 | 2011-01-05 | 深圳凯虹移动通信有限公司 | Portable electronic equipment charging line and mobile phone |
| CN102005796A (en) * | 2010-12-07 | 2011-04-06 | 深圳市思倍生电子科技有限公司 | Mobile power supply and control method thereof |
| CN201928043U (en) * | 2010-12-07 | 2011-08-10 | 深圳市思倍生电子科技有限公司 | Movable power supply |
| CN202424265U (en) * | 2012-02-09 | 2012-09-05 | 广州市君盘实业有限公司 | Multifunctional intelligent charger based on single chip microcomputer |
| CN103227483A (en) * | 2013-01-25 | 2013-07-31 | 深圳市创益科技发展有限公司 | Solar charger capable of charging various batteries |
| CN204391829U (en) * | 2014-09-30 | 2015-06-10 | 孙煜 | Possesses the USB charging circuit of adjustment output voltage size of current |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471057A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger |
| CN105471040A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger capable of being powered by alternating current of direct current |
| WO2017114374A1 (en) * | 2015-12-29 | 2017-07-06 | 郑州匠芯电子科技有限公司 | Charger adaptable to different power consumption devices |
| CN105680439A (en) * | 2016-03-23 | 2016-06-15 | 安徽京师方圆信息技术有限公司 | Wind-solar complementary energy management apparatus used for outdoors |
| CN109412222A (en) * | 2018-03-07 | 2019-03-01 | 深圳造物部落科技有限公司 | Charging unit with pressure adjusting structure |
| CN116683592A (en) * | 2023-06-09 | 2023-09-01 | 延安大学西安创新学院 | Intelligent power supply circuit |
| CN116683592B (en) * | 2023-06-09 | 2024-07-02 | 延安大学西安创新学院 | Intelligent power supply circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204391829U (en) | 2015-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204391829U (en) | Possesses the USB charging circuit of adjustment output voltage size of current | |
| CN202333926U (en) | Mobile power supply | |
| CN204858703U (en) | Battery charger | |
| CN105471040A (en) | Multifunctional charger capable of being powered by alternating current of direct current | |
| CN201656519U (en) | Portable mobile power supply | |
| CN205304350U (en) | Charger of different consumers of ability adaptation | |
| CN205304312U (en) | Can be by interchange or dc supply's multi -functional charger | |
| CN205141704U (en) | Battery charger | |
| CN205304351U (en) | Multifunctional charger | |
| CN202616830U (en) | Multifunctional solar charger | |
| CN102290843B (en) | Method for automatically adapting charger to portable equipment | |
| CN206341014U (en) | The USB circuit of notebook | |
| CN103516029A (en) | Mobile phone charger baby | |
| CN204407944U (en) | The Function detection circuit of tool intelligence USB identification chip | |
| CN103700999A (en) | Novel portable USB (universal serial bus) concentrator | |
| CN107634568A (en) | A kind of power supply adaptor | |
| CN203896033U (en) | USB charger capable of controlling magnitude of output voltage and output current | |
| CN203434391U (en) | A socket with USB interfaces | |
| CN202586384U (en) | Portable multifunctional solar charger | |
| CN202616841U (en) | Business mobile charger | |
| CN106786946A (en) | The USB circuit of notebook | |
| CN203761092U (en) | Portable power supply capable of enhancing conversion rate | |
| US20180301927A1 (en) | Circuit for reducing electrical power consumption | |
| CN204119067U (en) | The multiplex roles control circuit of power supply adaptor | |
| CN204045862U (en) | With the mobile charging wiring board of USB interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |