CN105676029A - Intelligent detector compatible with rapid charger and test method of detector - Google Patents

Intelligent detector compatible with rapid charger and test method of detector Download PDF

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Publication number
CN105676029A
CN105676029A CN201610051995.3A CN201610051995A CN105676029A CN 105676029 A CN105676029 A CN 105676029A CN 201610051995 A CN201610051995 A CN 201610051995A CN 105676029 A CN105676029 A CN 105676029A
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CN
China
Prior art keywords
charger
voltage
agreement
button
detection equipment
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Pending
Application number
CN201610051995.3A
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Chinese (zh)
Inventor
刘皎
张明峰
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Jiangsu Caiyi Electronic Technology Co Ltd
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Jiangsu Caiyi Electronic Technology Co Ltd
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Priority to CN201610051995.3A priority Critical patent/CN105676029A/en
Publication of CN105676029A publication Critical patent/CN105676029A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Abstract

The invention relates to an intelligent detector compatible with a rapid charger. The detector comprises a QC3.0 charger or a PE+2.0 charger, a USB female plug, a USB female seat, a micro control unit, a voltage display circuit and a button control circuit; one end of the USB male plug is connected with the QC3.0 charger or the PE+2.0 charger, and the other end of the USB male plug comprises a VBUS end, a GND end, a D+ end and a D- end; one end of the USB female seat is connected with the VBUS end and the GND end, and the other end of the USB female seat is connected with a load; the input end of the micro control unit is connected to the VBUS end via a voltage sampling circuit and also to the VBUS end via an overcurrent overvoltage protection circuit and a voltage stabilizing circuit, the output end is connected to the D+ end and the D- end via a QC3.0 control circuit and also to a protocol load via a PE+2.0 protocol control circuit, and the protocol load is connected to both the VBUS end and the GND end; the voltage display circuit is connected to the output end of the micro control unit; and the button control circuit is connected to the input end of the micro control unit.

Description

The intelligent detection equipment of a kind of compatible quick charger and method of testing thereof
Technical field
The present invention relates to quick charger field, particularly relate to intelligent detection equipment and the method for testing thereof of a kind of compatible quick charger.
Background technology
Flying power is the big bottleneck of the products such as smart mobile phone one in technical development, except expanding battery capacity, accelerates a kind of mode of charging rate also Cheng Liao manufacturers " curve is saved the nation ". Although supporting that only high pass, Samsung and the Intel etc. of quick charge are very few at present, the QuickCharge rapid nitriding of manufacturer's high pass has had evolved to the third generation at present, by adding extra power management integrated circuit in the middle of valiant Godson sheet, this technology can significantly accelerate charging rate.
QC (QuickCharge) 1.0 issued in 2012, used 5V/2A charger, and charging rate is faster than traditional 5V/1A charger maximum 40%, was equivalent to the maximum charge power of 10W. The mobile phone possessing this technology includes Samsung GalaxyS3, LGNexus4, LGOptimusG and Sony XperiaT etc. Second filial generation QC3.0 at the end of 2013 along with valiant imperial 800 chips are together issued, its charger has been upgraded to support 5/9/12V voltage, comparing tradition 5V charger speed and can promote maximum 75%, the output voltage of QC3.0 charger is step-length is that the 3.6V-12V self adaptation of 0.2V is adjustable; The technology of filling soon of current main flow also includes PE+2.0 quick charger, and the magnitude of voltage of its output is that 3.6V, 3.8V, 4.0V, 4.2V, 4.4V, 4.6V, 4.8V, 5.0V, 7V, 9V, 12V self adaptation is adjustable; When advantage of this is that guarantee charging, voltage floats, and not easily generates heat.
But, along with Samsung, in succession there is charging security incident in world-class mobile terminal production firm of many families such as Fructus Mali pumilae, user is more and more higher for safe requirement of charging, charger is as the most frequently used adnexa of mobile terminal, must be reliable and secure, especially for novel quick charger, it it is the technology of relative new, for QC3.0 charger, the test board of the performance indications monitoring of PE+2.0 quick charger is also very few, so cannot its charge condition be carried out aging for the manufacturer of mobile phone even load equipment, cannot the voltage that exports to quick charger of monitor in real time whether normal, for substandard product, safety time easily to charging forms certain threat.
Summary of the invention
For overcoming the deficiencies in the prior art, it is an object of the invention to provide a kind of simple in construction, low-profile, can monitor in real time charger output voltage values, and make intelligent detection equipment and the method for testing thereof of the compatible quick charger of mistake instruction.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of intelligent detection equipment of compatible quick charger, including:
One 1 in QC3.0 charger or PE+2.0 charger;
USBType-A male 3, its one end connects the one in described QC3.0 charger or PE+2.0 charger, and the other end includes VBUS end, GND end, D+ end, D-end;
USBType-A female seat 4, its one end is connected with described VBUS end, GND end respectively, and the other end connects load 2;
Micro-control unit, its input is connected to described VBUS end respectively through voltage sampling circuit, is connected to described VBUS end by overcurrent-overvoltage protecting circuit and mu balanced circuit, its outfan connects described D+ end respectively through QC3.0 control circuit, D-end, its outfan is connected to protocol load by PE+2.0 protocol control circuitry simultaneously, and described protocol load is connected respectively to described VBUS end, GND end;
Voltage display circuit, it connects the outfan of described micro-control unit;
Key control circuit, it connects the input of described micro-control unit.
Preferably, the intelligent detection equipment of described compatible quick charger, wherein, the output voltage of described QC3.0 charger is step-length is that the 3.6V-12V self adaptation of 0.2V is adjustable, and the output voltage of described PE+2.0 charger is that 3.6V, 3.8V, 4.0V, 4.2V, 4.4V, 4.6V, 4.8V, 5.0V, 7V, 9V, 12V self adaptation is adjustable.
Preferably, the intelligent detection equipment of described compatible quick charger, wherein, intelligent detection equipment also includes the left button 6 and the right button 7 that are positioned at its surface, two buttons are electrically connected with the input of described key control circuit respectively, are used for switching described QC3.0 agreement, PE+2.0 agreement, and for regulating the output voltage of described QC3.0 charger, PE+2.0 charger, wherein left button is voltage grading key, and right button is that voltage is incremented by key.
Preferably, the intelligent detection equipment of described compatible quick charger, wherein, described micro-control unit is MC9S08PT16VTG.
Preferably, the intelligent detection equipment of described compatible quick charger, wherein, described voltage display circuit includes the three Digital sum pipes 5 for showing voltage, for showing voltage output whether normal LED light 8.
Preferably, the intelligent detection equipment of described compatible quick charger, wherein, the voltage measurement scope 3.5V-15V of described intelligent detection equipment, voltage measurement error is ± 0.05V within the scope of.
Preferably, the intelligent detection equipment of described compatible quick charger, wherein, described intelligent detection equipment part is of a size of 4.2cmx3.5cm.
Preferably, the method for testing of the intelligent detection equipment of described compatible quick charger, including:
(1) USB male joint of described intelligent detection equipment is inserted a kind of output port in QC3.0 charger, PE+2.0 charger, charger powers on, and the voltage utilizing charger to export is powered by intelligent detection equipment to oneself, and reset starts, system initialization, self-inspection;
(2) one in the QC3.0 agreement corresponding with above-mentioned charger type, PE+2.0 agreement is set with right button by left button, press right button, described three Digital sum pipes show the flag information of currently selected agreement in a flashing manner, select by right button that test board is alternative fills agreement soon in turn, determine by left button, when there is no any button operation in 3 seconds, selected fill agreement soon by automatically confirming that;
(3) external loading is directly accessed the USB female seat of described Intelligent testing test run by supporting joint, and the output voltage of charger is directly connected to load end; When selecting QC3.0 agreement, start output voltage is 5V; When selecting PE+2.0 agreement, start output voltage is 7V; Described VBUS end is measured, and the voltage display of three Digital sum pipes refreshes, display actual measurement magnitude of voltage, and whether LED light display voltage output is normal;
(4) key scan, when not scanning button, then continues VBUS end and measures; When scanning button, it is judged that whether be currently QC3.0 agreement, be QC3.0 agreement, then described micro-control unit judges whether voltage is incremented by described key control circuit, when voltage is incremented by, then the voltage of described QC3.0 charger is incremented by, the otherwise voltage grading of QC3.0 charger;
It not QC3.0 agreement, then judge whether be currently PE+2.0 agreement, be PE+2.0 agreement, then described micro-control unit judges whether voltage is incremented by described key control circuit, when voltage is incremented by, then the voltage of described PE+2.0 charger is incremented by, the otherwise voltage grading of PE+2.0 charger;
(5) then proceed to VBUS end measure; Between different voltage gears during switching, when LED light shiny red, then it represents that detect that the output voltage of tested charger is abnormal, be judged to fault, when LED light bright green, it is judged to normal.
Beneficial effects of the present invention:
(1) mistake instruction is made for each voltage node;
(2) voltage measurement error ± 0.05V, error is less;
(3) provide load to access USB female seat, support to test the load capacity of tested charger;
(4) charger is directly used to export as power itself, it is not necessary to external power source;
(5) simple button operation completes selected QC3.0 agreement, PE+2.0 agreement, and under various charger protocol, charger exports the test of each shelves voltage, compatible good, and protocol switching is freely;
(6) overall dimensions is small and exquisite, is designed as 4.2cmx3.5cm, it is easy to carry use.
Accompanying drawing explanation
Fig. 1 is the internal circuit configuration schematic diagram of the intelligent detection equipment of the compatible quick charger described in one embodiment of the invention;
Fig. 2 is the structural representation of the intelligent detection equipment of the compatible quick charger described in one embodiment of the invention;
Fig. 3 is the schematic flow sheet of the aging method of the intelligent detection equipment of the compatible quick charger described in one embodiment of the invention.
Wherein, 1-QC3.0 charger or the one in PE+2.0 charger, 2-load, 3-USB male, 4-USB female seat, 5-LED display lamp, 6-left button, 7-right button.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
The intelligent detection equipment of a kind of compatible quick charger, refers to accompanying drawing 1-2, including:
One 1 in QC3.0 charger or PE+2.0 charger;
USB male joint 3, its one end connects the one in described QC3.0 charger or PE+2.0 charger, and the other end includes VBUS end, GND end, D+ end, D-end;
USB female seat 4, its one end is connected with described VBUS end, GND end respectively, and the other end connects load 2;
Micro-control unit, its input is connected to described VBUS end respectively through voltage sampling circuit, is connected to described VBUS end by overcurrent-overvoltage protecting circuit and mu balanced circuit, its outfan connects described D+ end respectively through QC3.0 control circuit, D-end, its outfan is connected to protocol load by PE+2.0 protocol control circuitry simultaneously, and described protocol load is connected respectively to described VBUS end, GND end;
Voltage display circuit, it connects the outfan of described micro-control unit;
Key control circuit, it connects the input of described micro-control unit.
Further, the output voltage of described QC3.0 charger is step-length is that the 3.6V-12V self adaptation of 0.2V is adjustable, and the output voltage of described PE+2.0 charger is that 3.6V, 3.8V, 4.0V, 4.2V, 4.4V, 4.6V, 4.8V, 5.0V, 7V, 9V, 12V self adaptation is adjustable.
Further, intelligent detection equipment also includes the left button 6 and the right button 7 that are positioned at its surface, two buttons are electrically connected with the input of described key control circuit respectively, for switching described QC3.0 agreement, PE+2.0 agreement, and for regulating the output voltage of described QC3.0 charger, PE+2.0 charger, wherein left button is voltage grading key, and right button is that voltage is incremented by key.
Further, described micro-control unit is MC9S08PT16VTG.
Further, described voltage display circuit include the three Digital sum pipes 5 for showing voltage, for showing voltage output whether normal LED light 8.
Further, the voltage measurement scope 3.5V-15V of described intelligent detection equipment, voltage measurement error is ± 0.05V within the scope of.
Further, described intelligent detection equipment part is of a size of 4.2cmx3.5cm, and this size is the part removing USB male joint.
The method of testing of the intelligent detection equipment of described compatible quick charger, refers to accompanying drawing 3, including:
(1) USB male joint of described intelligent detection equipment is inserted a kind of output port in QC3.0 charger, PE+2.0 charger, charger powers on, and the voltage utilizing charger to export is powered by intelligent detection equipment to oneself, and reset starts, system initialization, self-inspection;
(2) one in the QC3.0 agreement corresponding with above-mentioned charger type, PE+2.0 agreement is set with right button by left button, press right button, described three Digital sum pipes show the flag information of currently selected agreement in a flashing manner, select by right button that test board is alternative fills agreement soon in turn, determine by left button, when there is no any button operation in 3 seconds, selected fill agreement soon by automatically confirming that;
(3) external loading is directly accessed the USB female seat of described Intelligent testing test run by supporting joint, and the output voltage of charger is directly connected to load end; When selecting QC3.0 agreement, start output voltage is 5V; When selecting PE+2.0 agreement, start output voltage is 7V; Described VBUS end is measured, and the voltage display of three Digital sum pipes refreshes, display actual measurement magnitude of voltage, and whether LED light display voltage output is normal;
(4) key scan, when not scanning button, then continues VBUS end and measures; When scanning button, it is judged that whether be currently QC3.0 agreement, be QC3.0 agreement, then described micro-control unit judges whether voltage is incremented by described key control circuit, when voltage is incremented by, then the voltage of described QC3.0 charger is incremented by, the otherwise voltage grading of QC3.0 charger;
It not QC3.0 agreement, then judge whether be currently PE+2.0 agreement, be PE+2.0 agreement, then described micro-control unit judges whether voltage is incremented by described key control circuit, when voltage is incremented by, then the voltage of described PE+2.0 charger is incremented by, the otherwise voltage grading of PE+2.0 charger;
(5) then proceed to VBUS end measure; Between different voltage gears during switching, when LED light shiny red, then it represents that detect that the output voltage of tested charger is abnormal, be judged to fault, when LED light bright green, it is judged to normal.
Although embodiment of the present invention are disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.

Claims (8)

1. the intelligent detection equipment of a compatible quick charger, it is characterised in that including:
One (1) in QC3.0 charger or PE+2.0 charger;
USB male joint (3), its one end connects the one in described QC3.0 charger or PE+2.0 charger, and the other end includes VBUS end, GND end, D+ end, D-end;
USB female seat (4), its one end is connected with described VBUS end, GND end respectively, and the other end connects load (2);
Micro-control unit, its input is connected to described VBUS end respectively through voltage sampling circuit, is connected to described VBUS end by overcurrent-overvoltage protecting circuit and mu balanced circuit, its outfan connects described D+ end respectively through QC3.0 control circuit, D-end, its outfan is connected to protocol load by PE+2.0 protocol control circuitry simultaneously, and described protocol load is connected respectively to described VBUS end, GND end;
Voltage display circuit, it connects the outfan of described micro-control unit;
Key control circuit, it connects the input of described micro-control unit.
2. the intelligent detection equipment of compatible quick charger as claimed in claim 1, it is characterized in that, the output voltage of described QC3.0 charger is step-length is that the 3.6V-12V self adaptation of 0.2V is adjustable, and the output voltage of described PE+2.0 charger is that 3.6V, 3.8V, 4.0V, 4.2V, 4.4V, 4.6V, 4.8V, 5.0V, 7V, 9V, 12V self adaptation is adjustable.
3. the intelligent detection equipment of compatible quick charger as claimed in claim 2, it is characterized in that, intelligent detection equipment also includes the left button (6) and the right button (7) that are positioned at its surface, two buttons are electrically connected with the input of described key control circuit respectively, for switching described QC3.0 agreement, PE+2.0 agreement, and for regulating the output voltage of described QC3.0 charger, PE+2.0 charger, wherein left button is voltage grading key, right button is that voltage is incremented by key.
4. the intelligent detection equipment of compatible quick charger as claimed in claim 3, it is characterised in that described micro-control unit is MC9S08PT16VTG.
5. the intelligent detection equipment of compatible quick charger as claimed in claim 4, it is characterised in that described voltage display circuit includes the three Digital sum pipes (5) for showing voltage, is used for showing the whether normal LED light (8) of voltage output.
6. the intelligent detection equipment of compatible quick charger as claimed in claim 5, it is characterised in that the voltage measurement scope 3.5V-15V of described intelligent detection equipment, voltage measurement error is ± 0.05V within the scope of.
7. the intelligent detection equipment of compatible quick charger as claimed in claim 6, it is characterised in that described intelligent detection equipment part is of a size of 4.2cmx3.5cm.
8. the method for testing of the intelligent detection equipment of compatible quick charger as claimed in claim 6, including:
(1) USB male joint of described intelligent detection equipment is inserted a kind of output port in QC3.0 charger, PE+2.0 charger, charger powers on, and the voltage utilizing charger to export is powered by intelligent detection equipment to oneself, and reset starts, system initialization, self-inspection;
(2) one in the QC3.0 agreement corresponding with above-mentioned charger type, PE+2.0 agreement is set with right button by left button, press right button, described three Digital sum pipes show the flag information of currently selected agreement in a flashing manner, select by right button that test board is alternative fills agreement soon in turn, determine by left button, when there is no any button operation in 3 seconds, selected fill agreement soon by automatically confirming that;
(3) external loading is directly accessed the USB female seat of described Intelligent testing test run by supporting joint, and the output voltage of charger is directly connected to load end; When selecting QC3.0 agreement, start output voltage is 5V; When selecting PE+2.0 agreement, start output voltage is 7V; Described VBUS end is measured, and the voltage display of three Digital sum pipes refreshes, display actual measurement magnitude of voltage, and whether LED light display voltage output is normal;
(4) key scan, when not scanning button, then continues VBUS end and measures; When scanning button, it is judged that whether be currently QC3.0 agreement, be QC3.0 agreement, then described micro-control unit judges whether voltage is incremented by described key control circuit, when voltage is incremented by, then the voltage of described QC3.0 charger is incremented by, the otherwise voltage grading of QC3.0 charger;
It not QC3.0 agreement, then judge whether be currently PE+2.0 agreement, be PE+2.0 agreement, then described micro-control unit judges whether voltage is incremented by described key control circuit, when voltage is incremented by, then the voltage of described PE+2.0 charger is incremented by, the otherwise voltage grading of PE+2.0 charger;
(5) then proceed to VBUS end measure; Between different voltage gears during switching, when LED light shiny red, then it represents that detect that the output voltage of tested charger is abnormal, be judged to fault, when LED light bright green, it is judged to normal.
CN201610051995.3A 2016-01-26 2016-01-26 Intelligent detector compatible with rapid charger and test method of detector Pending CN105676029A (en)

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CN107356882A (en) * 2017-06-27 2017-11-17 芯海科技(深圳)股份有限公司 A kind of PD power supply products aging testing system and method
CN109494820A (en) * 2017-09-11 2019-03-19 深圳市源尤电源科技有限公司 A kind of USB output fast charge protocol-compliant circuit
CN112803558A (en) * 2021-04-09 2021-05-14 深圳英集芯科技股份有限公司 Multi-quick-charging-protocol control circuit, control method, chip and electronic equipment

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CN112803558A (en) * 2021-04-09 2021-05-14 深圳英集芯科技股份有限公司 Multi-quick-charging-protocol control circuit, control method, chip and electronic equipment

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