CN105527525A - Intelligent test board compatible with rapid charger and test method - Google Patents

Intelligent test board compatible with rapid charger and test method Download PDF

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Publication number
CN105527525A
CN105527525A CN201610049875.XA CN201610049875A CN105527525A CN 105527525 A CN105527525 A CN 105527525A CN 201610049875 A CN201610049875 A CN 201610049875A CN 105527525 A CN105527525 A CN 105527525A
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China
Prior art keywords
charger
voltage
button
agreement
panel
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Pending
Application number
CN201610049875.XA
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Chinese (zh)
Inventor
刘皎
张明峰
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Changzhou Yong Zhuo Driving Technology Co., Ltd.
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Jiangsu Caiyi Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201610049875.XA priority Critical patent/CN105527525A/en
Publication of CN105527525A publication Critical patent/CN105527525A/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 discloses an intelligent test board compatible with rapid charger and a test method, comprising a one of a QC2.0 charger or a QC3.0 charger , a USB male head, a USB female seat, a micro-control unit, a voltage display circuit and a button control circuit. One end of the USB male head is connected to one of the QC2.0 charger or the QC3.0 charger; the other end comprises a VBUS terminal, GND terminal, a D+ terminal and a D-terminal; one end of the USB male seat is connected to the VBUS terminal and the GND terminal and the other end is connected to the load; the input end of the micro-control unit is connected to the VBUS terminal through the voltage sampling circuit and is connected to the VBUS terminal through the overcurrent-overvoltage protection circuit and a voltage stabilization circuit, and the output terminal controls the circuit to connect to the D+ terminal and the D-terminal through the QC2.0 protocol or the QC3.0 protocol; the voltage display circuit is connected to the output terminal of the micro-control unit; and the button control circuit is connected to the input terminal of the micro-control unit.

Description

A kind of can the Intelligent testing test plate (panel) of compatible quick charger and method of testing thereof
Technical field
The present invention relates to quick charger field, particularly relate to a kind of can the Intelligent testing test plate (panel) of compatible quick charger and method of testing thereof.
Background technology
Flying power is the large bottleneck of the products such as smart mobile phone in technical development, except expanding except battery capacity, accelerates a kind of mode of charging rate also Cheng Liao manufacturers " curve is saved the nation ".Although that supports rapid charge at present only has high pass, Samsung and Intel etc. very few, the QuickCharge rapid nitriding of manufacturer's high pass has developed into the second generation at present, by adding extra power management integrated circuit in the middle of valiant Godson sheet, this technology significantly can 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 comprises Samsung GalaxyS3, LGNexus4, LGOptimusG and Sony XperiaT etc.Second generation QC2.0 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, compare traditional 5V charger speed and can promote maximum 75%, the charging current of QC2.0 charger is adaptive, and the 3.6V-12V self-adaptation of the output voltage of up-to-date QC3.0 charger to be step-length be 0.2V is adjustable.The benefit done like this is that when ensureing charging, voltage floats, and not easily generates heat.
But, along with Samsung, in succession there is security incident of charging in world-class mobile terminal production firm of many families such as apple, user is more and more higher for the requirement of charging safety, charger is as the most frequently used annex of mobile terminal, must be reliable and secure, especially for novel quick charger, it is the technology of relative new, the test board of monitoring for the performance index of QC2.0 charger is also very few, manufacturer like this for mobile phone even load equipment cannot monitor its charge condition, namely the information such as the voltage of quick charger output cannot be monitored in real time, for substandard product, easily certain threat is formed to safety during charging.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide that a kind of structure is simple, low-profile, can detect in real time and show charger output voltage values, and do mistake instruction can the Intelligent testing test plate (panel) of compatible quick charger and method of testing thereof.
For achieving the above object, the present invention is achieved through the following technical solutions:
Can the Intelligent testing test plate (panel) of compatible quick charger, comprising:
One 1 in QC2.0 charger or QC3.0 charger;
USB male joint 3, its one end connects the one in described QC2.0 charger or QC3.0 charger, and the other end comprises VBUS end, and GND holds, and D+ holds, and D-holds;
USB female seat 4, its one end is held with described VBUS respectively, GND holds and is connected, and the other end connects load 2;
Micro-control unit, its input end is connected to described VBUS respectively by voltage sampling circuit and holds, is connected to described VBUS holds by overcurrent-overvoltage protecting circuit and mu balanced circuit, its output terminal connects described D+ respectively by QC2.0 or QC3.0 protocol control circuitry and holds, and D-holds;
Voltage display circuit, it connects the output terminal of described micro-control unit;
Key control circuit, it connects the input end of described micro-control unit.
Preferably, described can the Intelligent testing test plate (panel) of compatible quick charger, wherein, the output voltage of described QC2.0 charger is 5V, 9V or 12V, and the 3.6V-12V self-adaptation of the output voltage of QC3.0 charger to be step-length be 0.2V is adjustable.
Preferably, described can the Intelligent testing test plate (panel) of compatible quick charger, wherein, described Intelligent testing test plate (panel) also comprises the left button 6 and right button 7 that are positioned at its surface, two buttons are electrically connected with the input end of described key control circuit respectively, for switching described QC3.0 agreement, QC2.0 agreement; And for regulating the output voltage of described QC2.0 charger, QC3.0 charger, wherein left button is voltage grading key, right button is that voltage increases progressively key.
Preferably, described can the Intelligent testing test plate (panel) of compatible quick charger, wherein, described micro-control unit is MC9S08PT16VTG.
Preferably, described can the Intelligent testing test plate (panel) of compatible quick charger, wherein, described voltage display circuit comprising three Digital sum pipes 5 for showing voltage, exporting whether normal LED light 8 for showing voltage.
Preferably, described can the Intelligent testing test plate (panel) of compatible quick charger, wherein, the voltage measurement scope 3.5V-15V of described Intelligent testing test plate (panel), voltage measurement error is ± 0.05V within the scope of.
Preferably, described can the Intelligent testing test plate (panel) of compatible quick charger, wherein, preferably, described intelligent test plate portion is of a size of 4.2cmx3.5cm.
Described can the intelligent test board measuring method of compatible quick charger, comprising:
(1) USB male joint of described Intelligent testing test plate (panel) is inserted QC2.0 charger or QC3.0 output port, charger powers on, and the voltage utilizing charger to export is powered to oneself by Intelligent testing test plate (panel), resets and starts, system initialization, self-inspection;
(2) the QC2.0 agreement corresponding with above-mentioned charger type, QC3.0 agreement is set by left button and right button, press right button, described three Digital sum pipes show the flag information of current 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 in 3 seconds without any button operation, selected fill agreement soon by automatically confirming;
(3) external loading directly accesses 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; The initial 5V voltage that is in of charger exports transition, and 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 exports normal;
(4) key scan, when not scanning button, then continues VBUS end and measures;
(5) when scanning button, then described micro-control unit judges whether current be QC2.0 agreement, it is QC2.0 agreement, then judge whether voltage increases progressively described key control circuit, when voltage increases progressively, then the voltage of described QC2.0 charger increases progressively, otherwise the voltage grading of QC2.0 charger, continue VBUS end and measure; Be not QC2.0 agreement, then judge that current is QC3.0 agreement, next judge whether voltage increases progressively described key control circuit, when voltage increases progressively, then the voltage of described QC3.0 charger increases progressively, otherwise the voltage grading of QC3.0 charger, continue VBUS end and measure; When switching between different voltage gears, when LED light shiny red, then represent and detect that the output voltage of tested charger is abnormal, be judged to fault, when LED light bright green, be judged to normal.
Beneficial effect of the present invention:
(1) detect in real time and show charger output voltage values, and doing mistake instruction;
(2) voltage measurement error ± 0.05V, error is less;
(3) provide load to access USB female seat, support the load capacity of the tested charger of test;
(4) charger is directly used to export as power itself, without the need to external power source;
(5) simple button operation, complete the switching of two kinds of charger protocol, and under QC2.0 or QC3.0 charger charger protocol, charger exports the test of each shelves voltage;
(6) physical dimension is small and exquisite, is designed to 4.2cmx3.5cm, and be easy to carry about with one use.
Accompanying drawing explanation
Fig. 1 for described in one embodiment of the invention can the internal circuit configuration schematic diagram of Intelligent testing test plate (panel) of compatible quick charger;
Fig. 2 for described in one embodiment of the invention can the structural representation of Intelligent testing test plate (panel) of compatible quick charger;
Fig. 3 for described in one embodiment of the invention can the schematic flow sheet of method of testing of Intelligent testing test plate (panel) of compatible quick charger.
Wherein, 1-QC2.0 charger or QC3.0 charger, 2-load, 3-USB male, 4-USB female seat, 5-tri-Digital sum pipe, 6-left button, 7-right button, 8-LED pilot lamp.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to instructions word to make those skilled in the art.
Can the Intelligent testing test plate (panel) of compatible quick charger, refer to accompanying drawing 1-2, comprising:
One 1 in QC2.0 charger or QC3.0 charger;
USBType-A male 3, its one end connects the one in described QC2.0 charger or QC3.0 charger, and the other end comprises VBUS end, and GND holds, and D+ holds, and D-holds;
USBType-A female seat 4, its one end is held with described VBUS respectively, GND holds and is connected, and the other end connects load 2;
Micro-control unit, its input end is connected to described VBUS respectively by voltage sampling circuit and holds, is connected to described VBUS holds by overcurrent-overvoltage protecting circuit and mu balanced circuit, its output terminal connects described D+ respectively by QC2.0 or QC3.0 protocol control circuitry and holds, and D-holds;
Voltage display circuit, it connects the output terminal of described micro-control unit;
Key control circuit, it connects the input end of described micro-control unit.
Further, the output voltage of described QC2.0 charger is 5V, 9V or 12V, and the 3.6V-12V self-adaptation of the output voltage of QC3.0 charger to be step-length be 0.2V is adjustable.
Further, described Intelligent testing test plate (panel) also comprises the left button 6 that is positioned at its surface and right button 7, two buttons are electrically connected with the input end of described key control circuit, respectively for switching described QC3.0 agreement, QC2.0 agreement; And for regulating the output voltage of described QC2.0 charger, QC3.0 charger, wherein left button is voltage grading key, right button is that voltage increases progressively key.
Further, described micro-control unit is MC9S08PT16VTG.
Further, described voltage display circuit comprising three Digital sum pipes 5 for showing voltage, exporting whether normal LED light 8 for showing voltage.
Further, the voltage measurement scope 3.5V-15V of described Intelligent testing test plate (panel), voltage measurement error is ± 0.05V within the scope of.
Further, preferably, described intelligent test plate portion is of a size of 4.2cmx3.5cm, and this size is the part of removing USB male joint.
Described can the intelligent test board measuring method of compatible quick charger, refer to accompanying drawing 3, comprising:
(1) USB male joint of described Intelligent testing test plate (panel) is inserted QC2.0 charger or QC3.0 output port, charger powers on, and the voltage utilizing charger to export is powered to oneself by Intelligent testing test plate (panel), resets and starts, system initialization, self-inspection;
(2) the QC2.0 agreement corresponding with above-mentioned charger type, QC3.0 agreement is set by left button and right button, press right button, described three Digital sum pipes show the flag information of current 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 in 3 seconds without any button operation, selected fill agreement soon by automatically confirming;
(3) external loading directly accesses 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; The initial 5V voltage that is in of charger exports transition, and 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 exports normal;
(4) key scan, when not scanning button, then continues VBUS end and measures;
(5) when scanning button, then described micro-control unit judges whether current be QC2.0 agreement, it is QC2.0 agreement, then judge whether voltage increases progressively described key control circuit, when voltage increases progressively, then the voltage of described QC2.0 charger increases progressively, otherwise the voltage grading of QC2.0 charger, continue VBUS end and measure; Be not QC2.0 agreement, then judge that current is QC3.0 agreement, next judge whether voltage increases progressively described key control circuit, when voltage increases progressively, then the voltage of described QC3.0 charger increases progressively, otherwise the voltage grading of QC3.0 charger, continue VBUS end and measure; When switching between different voltage gears, when LED light shiny red, then represent and detect that the output voltage of tested charger is abnormal, be judged to fault, when LED light bright green, be judged to normal.
Although embodiment of the present invention are open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (8)

1. can the Intelligent testing test plate (panel) of compatible quick charger, it is characterized in that, comprising:
One (1) in QC2.0 charger or QC3.0 charger;
USB male joint (3), its one end connects the one in described QC2.0 charger or QC3.0 charger, and the other end comprises VBUS end, and GND holds, and D+ holds, and D-holds;
USB female seat (4), its one end is held with described VBUS respectively, GND holds and is connected, and the other end connects load (2);
Micro-control unit, its input end is connected to described VBUS respectively by voltage sampling circuit and holds, is connected to described VBUS holds by overcurrent-overvoltage protecting circuit and mu balanced circuit, its output terminal connects described D+ respectively by QC2.0 or QC3.0 protocol control circuitry and holds, and D-holds;
Voltage display circuit, it connects the output terminal of described micro-control unit;
Key control circuit, it connects the input end of described micro-control unit.
2. as claimed in claim 1 can the Intelligent testing test plate (panel) of compatible quick charger, it is characterized in that, the output voltage of described QC2.0 charger is 5V, 9V or 12V, and the 3.6V-12V self-adaptation of the output voltage of QC3.0 charger to be step-length be 0.2V is adjustable.
3. as claimed in claim 2 can the Intelligent testing test plate (panel) of compatible quick charger, it is characterized in that, described Intelligent testing test plate (panel) also comprises the left button (6) and right button (7) that are positioned at its surface, two buttons are electrically connected with the input end of described key control circuit respectively, for switching described QC3.0 agreement, QC2.0 agreement; And for regulating the output voltage of described QC2.0 charger, QC3.0 charger, wherein left button is voltage grading key, right button is that voltage increases progressively key.
4. as claimed in claim 3 can the Intelligent testing test plate (panel) of compatible quick charger, it is characterized in that, described micro-control unit is MC9S08PT16VTG.
5. as claimed in claim 4 can the Intelligent testing test plate (panel) of compatible quick charger, it is characterized in that, described voltage display circuit comprising three Digital sum pipes (5) for showing voltage, exporting whether normal LED light (8) for showing voltage.
6. as claimed in claim 5 can the Intelligent testing test plate (panel) of compatible quick charger, it is characterized in that, the voltage measurement scope 3.5V-15V of described Intelligent testing test plate (panel), voltage measurement error is ± 0.05V within the scope of.
7. as claimed in claim 6 can the Intelligent testing test plate (panel) of compatible quick charger, it is characterized in that, described intelligent test plate portion is of a size of 4.2cmx3.5cm.
8. as claimed in claim 6 can the intelligent test board measuring method of compatible quick charger, comprising:
(1) USB male joint of described Intelligent testing test plate (panel) is inserted QC2.0 charger or QC3.0 output port, charger powers on, and the voltage utilizing charger to export is powered to oneself by Intelligent testing test plate (panel), resets and starts, system initialization, self-inspection;
(2) the QC2.0 agreement corresponding with above-mentioned charger type, QC3.0 agreement is set by left button and right button, press right button, described three Digital sum pipes show the flag information of current 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 in 3 seconds without any button operation, selected fill agreement soon by automatically confirming;
(3) external loading directly accesses 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; The initial 5V voltage that is in of charger exports transition, and 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 exports normal;
(4) key scan, when not scanning button, then continues VBUS end and measures;
(5) when scanning button, then described micro-control unit judges whether current be QC2.0 agreement, it is QC2.0 agreement, then judge whether voltage increases progressively described key control circuit, when voltage increases progressively, then the voltage of described QC2.0 charger increases progressively, otherwise the voltage grading of QC2.0 charger, continue VBUS end and measure; Be not QC2.0 agreement, then judge that current is QC3.0 agreement, next judge whether voltage increases progressively described key control circuit, when voltage increases progressively, then the voltage of described QC3.0 charger increases progressively, otherwise the voltage grading of QC3.0 charger, continue VBUS end and measure; When switching between different voltage gears, when LED light shiny red, then represent and detect that the output voltage of tested charger is abnormal, be judged to fault, when LED light bright green, be judged to normal.
CN201610049875.XA 2016-01-26 2016-01-26 Intelligent test board compatible with rapid charger and test method Pending CN105527525A (en)

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CN110520743A (en) * 2018-09-30 2019-11-29 Oppo广东移动通信有限公司 Test board, test macro and the test method of charging unit

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Publication number Priority date Publication date Assignee Title
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Address after: 213001 No. 27 Taihu West Road, Xinbei District, Changzhou, Jiangsu

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Application publication date: 20160427