CN103135018B - Multi-functional analog charging measurement device - Google Patents
Multi-functional analog charging measurement device Download PDFInfo
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- CN103135018B CN103135018B CN201310036249.3A CN201310036249A CN103135018B CN 103135018 B CN103135018 B CN 103135018B CN 201310036249 A CN201310036249 A CN 201310036249A CN 103135018 B CN103135018 B CN 103135018B
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Abstract
The invention discloses a kind of Multi-functional analog charging measurement device, including Power+ lines, Data+ lines, Data lines, Power lines, impedance module and short switch；The impedance module includes the first impedance module and the second impedance module；The two ends of first impedance module are connected with Data+ lines and Power lines respectively；The two ends of second impedance module are connected with Data lines and Power lines respectively；One end of the short switch is connected with the junction of Data+ lines, both the first impedance modules, and the other end is connected with the junction of Data lines, both the second impedance modules.The Multi-functional analog charging measurement device of the present invention can effectively simulate three kinds of charging modes, effectively cost-effective, greatly facilitate the test operation of tester, it is ensured that the demand for security in test process.
Description
Technical field
The present invention relates to a kind of simulating test device, especially a kind of Multi-functional analog charging measurement device.
Background technology
At present universal on the market mobile terminal all adopts self-contained battery as the technology of power supply, and portable power source institute
The problem that must be faced is exactly to charge.In R＆D process, it is contemplated that the safety and practicality of product, for mobile device
Charging process need one it is clear, clearly grasp, then will necessarily be related to analog charge test experiments.And it is currently a popular
In various charging modes, charged with traveling charger especially, it is most commonly seen that PC terminals USB interface charges and automobile cigarette lighter charges.
Fig. 1 is the electrical characteristic schematic diagram using traveling charger charging modes, as shown in figure 1, traveling charger is used
220V electric mains directly can be converted into 5V DC charging power supplies by Switching Power Supply, therefore, traveling charger can typically be provided
Larger charging current, and as the main charge power supply of handheld terminal.The charging inlet great majority of traveling charger are used
USB interface, its electrical characteristic be mainly reflected in for USB interface Data+ and Data- both threads be direct short-circuit state.
Fig. 2 is the electrical characteristic schematic diagram using automobile cigarette lighter USB interface charging modes, as shown in Fig. 2 adopting automobile
Cigar lighter USB interface charge, its electrical characteristic be mainly reflected in automobile cigarette lighter due to only have power supply it is just minus with power supply two it is electric
Source lead, Data+ and Data- are practically at breaking vacant state.
Fig. 3 is the electrical characteristic schematic diagram using PC terminal USB interface charging modes, as shown in figure 3, adopting PC terminals
USB interface charges, and the USB interface of PC terminals follows USB2.0 standards, and its electrical characteristic is mainly reflected in Data+ and Data- phases
For there is the DC impedance of a 15K or so on ground.
The interface shape and electrical characteristic of these three charging modes is different from above, and the charging current for being provided is also not to the utmost
Identical, neither one corresponding interface can simulate the common charging inlet of this three class completely in the lab at present, fill in test
When electric, we then need to simulate three kinds of interfaces, test checking mobile terminal filling under the connection of three kinds of different chargers
Electric effect, so that often testing a kind of state, is necessarily required to a corresponding charging wire is fabricated separately to simulate corresponding charging
State, due to the different electrical characteristic of three kinds of interfaces, often leads to need three different charging wires, or destruction one to fill
Electric wire is simulating three kinds of charging inlets, complex operation and waste of materials.Meanwhile, also delay the peace of testing progress and test
Entirely, when particularly charging wire makes lack of standardization, it is easily caused short circuit problem.
The content of the invention
Present invention aims to above-mentioned deficiency, there is provided a kind of simple to operate, cost-effective Multi-functional analog fills
Electric test device.
A kind of Multi-functional analog charging measurement device, the Multi-functional analog charging measurement device include that a Power+ connects
Line, a Data+ lines, a Data- lines, a Power- lines, an impedance module and a short switch；The impedance module bag
Include one first impedance module and one second impedance module；The two ends of first impedance module respectively with Data+ lines and
Power- lines are connected；The two ends of second impedance module are connected with Data- lines and Power- lines respectively；The short circuit
One end of switch is connected with the junction of Data+ lines, both the first impedance modules, the other end and Data- lines, the second impedance
The junction of both modules is connected.
The Multi-functional analog charging measurement device of the present invention can effectively simulate three kinds of charging modes, greatly facilitate
The test operation of tester, it is ensured that the demand for security in test process.Further, it is possible to realize various analog charge modes
Arbitrarily switch, not only can save tester needs to make the extra work of correspondence difference charging wire for different charging inlets
Make, further improves the work efficiency of tester.
Description of the drawings
Fig. 1 is the electrical characteristic schematic diagram of traveling charger charging modes under prior art；
Fig. 2 is the electrical characteristic schematic diagram of automobile cigarette lighter USB interface charging modes under prior art；
Fig. 3 is the electrical characteristic schematic diagram of PC terminals USB interface charging modes under prior art；
Fig. 4 is the system architecture schematic diagram of the better embodiment of the Multi-functional analog charging device of the present invention；
Fig. 5 is the electrical block diagram of the better embodiment mode of the Multi-functional analog charging device of the present invention；
Fig. 6 is the work attachment structure schematic diagram of the better embodiment of the Multi-functional analog charging device of the present invention.
Specific embodiment
As shown in figure 4, the Multi-functional analog charging device of the present invention, the Multi-functional analog charging measurement device includes one
Power+ lines, a Data+ lines, a Data- lines, a Power- lines, an impedance module and a short switch S3；It is described
Impedance module includes one first impedance module and one second impedance module；The two ends of first impedance module respectively with Data+
Line and Power- lines are connected；The two ends of second impedance module are connected with Data- lines and Power- lines respectively；Institute
The one end for stating short switch is connected with the junction of Data+ lines, both the first impedance modules, the other end and Data- lines, the
The junction of both two impedance modules is connected.
Under optimal way, the Multi-functional analog charging measurement device is a USB data line.
As shown in figure 5, the Power+ lines include a first input end and one first outfan；The Data+ lines
Including one second input and one second outfan；The Data- lines include one the 3rd input and one the 3rd outfan；Institute
Stating Power- lines includes one the 4th input and one the 4th outfan.
Wherein, first impedance module includes first resistor R1 and a first switch connected with the first resistor
S1；Second impedance module includes second resistance R2 and a second switch S2 connected with the second resistance.
One end of first impedance module is connected with second input, and the other end is connected with the 4th input
I.e. one end of the first impedance R1 is connected with the 4th input, the other end second input phase with obtained by as first switch S1
Even；One end of second impedance module is connected with the 3rd input, and the other end is connected i.e. with the 4th input
One end of two impedance R2 is connected with the 4th input, and as second switch S2, the 3rd input with obtained by is connected the other end.
As shown in fig. 6, described Multi-functional analog charging measurement device one end is connected with a mobile terminal, the other end and is supplied
Power supply mutually comes to be simulated charging measurement to the mobile terminal repeatedly；The power supply be voltage 5V, electric current 1A it is straight
Stream power supply.The seam that the Multi-functional analog charging measurement device is connected with the mobile terminal is standard USB2.0 interface.
When traveling charger charging modes are simulated, first outfan, the second outfan, the 3rd outfan and the 4th
Outfan is connected with the mobile terminal；The first input end and the 4th input are connected with the power supply respectively；Institute
Short switch closure is stated, the first switch and second switch disconnect.
In simulated automotive cigar lighter USB interface charging modes it is, first outfan, the second outfan, the 3rd output
End and the 4th outfan are connected with the mobile terminal；The first input end and the 4th input respectively with the power supply
It is connected；The short switch, first switch and second switch disconnect.
Simulate PC terminal USB interface charging modes when, first outfan, the second outfan, the 3rd outfan and
4th outfan is connected with the mobile terminal；The first input end and the 4th input respectively with the power supply phase
Even；The short switch disconnects, and the first switch and second switch are closed.
As the charging current provided in three kinds of charging modes is also not quite similar, and present mobile terminal has had energy
It is enough to adjust different charging currents to match the function of corresponding charger for different chargers, in many work(using the present invention
Energy analog charge test device is charged to mobile terminal in simulation test, is selected different charging modes to be simulated, is moved
Dynamic terminal can the charging current of adjust automatically itself come matching, and without worry due to charging modes it is different caused by charge
Voltage is different and causes mobile terminal to charge damage and failure of simulation test etc..
The Multi-functional analog charging measurement device of the present invention can effectively simulate three kinds of charging modes, greatly facilitate
The test operation of tester, it is ensured that the demand for security in test process.Further, it is possible to realize various analog charge modes
Arbitrarily switch, not only can save tester needs to make the extra work of correspondence difference charging wire for different charging inlets
Make, further improves the work efficiency of tester.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (8)
1. a kind of Multi-functional analog charging measurement device, it is characterised in that the Multi-functional analog charging measurement device includes
Power+ lines, a Data+ lines, a Data- lines, a Power- lines, an impedance module and a short switch；
The impedance module includes one first impedance module and one second impedance module；The two ends difference of first impedance module
It is connected with Data+ lines and Power- lines；The two ends of second impedance module respectively with Data- lines and Power- lines
It is connected；
One end of the short switch is connected with the junction of Data+ lines, both the first impedance modules, the other end and Data-
Line, the junction of both the second impedance modules are connected；
First impedance module includes a first resistor and a first switch connected with the first resistor；
Second impedance module includes a second resistance and a second switch connected with the second resistance.
2. Multi-functional analog charging measurement device according to claim 1, it is characterised in that the Multi-functional analog charges
Test device is a USB data line.
3. Multi-functional analog charging measurement device according to claim 1, it is characterised in that
The Power+ lines include a first input end and one first outfan；
The Data+ lines include one second input and one second outfan；
The Data- lines include one the 3rd input and one the 3rd outfan；
The Power- lines include one the 4th input and one the 4th outfan.
4. Multi-functional analog charging measurement device according to claim 3, it is characterised in that
One end of first impedance module is connected with second input, and the other end is connected with the 4th input；
One end of second impedance module is connected with the 3rd input, and the other end is connected with the 4th input.
5. Multi-functional analog charging measurement device according to claim 4, it is characterised in that
Described Multi-functional analog charging measurement device one end is connected with a mobile terminal, and the other end is connected with a power supply, is come
Charging measurement is simulated to the mobile terminal；The power supply is voltage 5V, the DC source of electric current 1A.
6. Multi-functional analog charging measurement device according to claim 5, it is characterised in that
When traveling charger charging modes are simulated, first outfan, the second outfan, the 3rd outfan and the 4th output
End is connected with the mobile terminal；The first input end and the 4th input are connected with the power supply respectively；It is described short
Way switch is closed, and the first switch and second switch disconnect.
7. Multi-functional analog charging measurement device according to claim 5, it is characterised in that
First outfan, the second outfan, the 3rd outfan and the 4th outfan are connected with the mobile terminal；
The first input end and the 4th input are connected with the power supply respectively；The short switch, first switch and
Second switch disconnects, and is charged with this simulated automotive cigar lighter USB interface.
8. Multi-functional analog charging measurement device according to claim 5, it is characterised in that
First outfan, the second outfan, the 3rd outfan and the 4th outfan are connected with the mobile terminal；
The first input end and the 4th input are connected with the power supply respectively；The short switch disconnects, and described the
One switch and second switch are closed, and simulate the charging of PC terminals USB interface with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310036249.3A CN103135018B (en) | 2013-01-30 | 2013-01-30 | Multi-functional analog charging measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310036249.3A CN103135018B (en) | 2013-01-30 | 2013-01-30 | Multi-functional analog charging measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103135018A CN103135018A (en) | 2013-06-05 |
| CN103135018B true CN103135018B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310036249.3A Expired - Fee Related CN103135018B (en) | 2013-01-30 | 2013-01-30 | Multi-functional analog charging measurement device |
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| CN (1) | CN103135018B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808104A (en) * | 2014-01-28 | 2015-07-29 | 广东欧珀移动通信有限公司 | Interface plugging anomaly detection circuit and method |
| PT3101762T (en) | 2014-01-28 | 2019-02-06 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Power adapter, terminal, and method for processing impedance anomalies in charging circuit |
| CN104124732A (en) * | 2014-06-27 | 2014-10-29 | 青岛众海汇智能源科技有限责任公司 | USB (Universal Serial Bus) interface based universal wireless power supply circuit for mobile terminal and power supply method thereof |
| CN111431233B (en) * | 2020-04-01 | 2022-03-29 | 维沃移动通信有限公司 | Charging circuit and charging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790039Y (en) * | 2005-03-28 | 2006-06-21 | 英华达(上海)电子有限公司 | Multifunction universal interface circuit for mobile telephone |
| CN101335535A (en) * | 2008-08-05 | 2008-12-31 | 中兴通讯股份有限公司 | Multifunctional interface circuit, mobile terminal, multifunctional interface implementing method |
| CN101398459A (en) * | 2008-10-28 | 2009-04-01 | 深圳华为通信技术有限公司 | Method and device for identifying charger type |
| CN201563242U (en) * | 2009-07-23 | 2010-08-25 | 深圳市同洲电子股份有限公司 | Identifier for mobile communication terminal chargers |
| CN101989669A (en) * | 2009-07-31 | 2011-03-23 | 厄奇林克公司 | Universal system for charging at least one portable device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090102442A1 (en) * | 2007-10-18 | 2009-04-23 | Li-Chun Lai | Power Supply Device for USB |
-
2013
- 2013-01-30 CN CN201310036249.3A patent/CN103135018B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790039Y (en) * | 2005-03-28 | 2006-06-21 | 英华达(上海)电子有限公司 | Multifunction universal interface circuit for mobile telephone |
| CN101335535A (en) * | 2008-08-05 | 2008-12-31 | 中兴通讯股份有限公司 | Multifunctional interface circuit, mobile terminal, multifunctional interface implementing method |
| CN101398459A (en) * | 2008-10-28 | 2009-04-01 | 深圳华为通信技术有限公司 | Method and device for identifying charger type |
| CN201563242U (en) * | 2009-07-23 | 2010-08-25 | 深圳市同洲电子股份有限公司 | Identifier for mobile communication terminal chargers |
| CN101989669A (en) * | 2009-07-31 | 2011-03-23 | 厄奇林克公司 | Universal system for charging at least one portable device |
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| CN103135018A (en) | 2013-06-05 |
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Effective date of registration: 20171017 Address after: 201604, Shanghai, Songjiang District Town, Lake rock loose steam Road No. 1-10 Patentee after: Shenzhen WDK Technology Co., Ltd. Address before: 201616 Shanghai city Songjiang District Guangfulin Road No. 4855 Building No. 90 big industry territory Patentee before: Shanghai Feixun Data Communication Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20190130 |