CN204515047U - For detecting the tool of mobile terminal reverse power connection and data reversal connection protection function - Google Patents
For detecting the tool of mobile terminal reverse power connection and data reversal connection protection function Download PDFInfo
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- CN204515047U CN204515047U CN201520245344.9U CN201520245344U CN204515047U CN 204515047 U CN204515047 U CN 204515047U CN 201520245344 U CN201520245344 U CN 201520245344U CN 204515047 U CN204515047 U CN 204515047U
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Abstract
The utility model belongs to test fixture technical field; in particular to a kind of tool for detecting mobile terminal reverse power connection and data reversal connection protection function; comprise tool main body and be arranged at USB interface, USB line, switch, cathode power supply line, anode power cord and the programmable power supply in tool main body; be connected with anode power cord by cathode power supply line between measurement jig main body and programmable power supply; USB line is connected with USB interface; switch can beat the positive voltage data line of positive source line to USB line or USB line, and programmable power supply is connected with the ground wire of USB line.Relative to prior art, the utility model can detect reverse power connection and the data reversal connection protection function whether mobile terminal has USB, loses efficacy with the USB or main board function that prevent mobile terminal.And the utility model structure is simple, and easily realize, cost of manufacture is low.
Description
Technical field
The utility model belongs to test fixture technical field, particularly a kind of tool for detecting mobile terminal reverse power connection and data reversal connection protection function.
Background technology
Learn through feeding back after sale, user is when routine use mobile terminal, occur that USB interface can not be charged sometimes, computer can not identify the problem of USB, recognize by analysis: the appearance of these problems may be because when user uses mobile terminal in daily life, there is the situation of reverse power connection and/or data reversal connection in USB interface, so before mobile terminal is introduced to the market, need to detect the reverse power connection of mobile terminal and data reversal connection protection function, can not to charge to prevent the USB interface of mobile terminal or computer can not identify the appearance of the problem of USB, thus prevent the usb function of mobile terminal or main board function to lose efficacy.
Four lines are had: positive source line (VCC), negative voltage data line (Data-), positive voltage data line (Data+) and ground wire (GND) in the USB line of mobile terminal.
In view of this; necessaryly provide a kind of tool for detecting mobile terminal reverse power connection and data reversal connection protection function; adopt this tool and method to detect reverse power connection and data reversal connection protection function that whether mobile terminal has USB, lost efficacy with the USB or main board function that prevent mobile terminal.
Utility model content
One of the purpose of this utility model is: for the deficiencies in the prior art; and a kind of tool for detecting mobile terminal reverse power connection and data reversal connection protection function is provided; adopt this tool and method to detect reverse power connection and data reversal connection protection function that whether mobile terminal has USB, lost efficacy with the USB or main board function that prevent mobile terminal.
To achieve these goals, the utility model adopts following technical scheme:
For detecting the tool of mobile terminal reverse power connection and data reversal connection protection function, comprise tool main body and be arranged at the USB interface in described tool main body, USB line, switch, cathode power supply line, anode power cord and programmable power supply, be connected with described anode power cord by described cathode power supply line between described measurement jig main body and described programmable power supply, described USB line is connected with described USB interface, described switch can beat the positive voltage data line (data shelves) of positive source line (power supply shelves) to described USB line or described USB line, and described programmable power supply is connected with the ground wire of described USB line.
Improve for the one detecting the tool of mobile terminal reverse power connection and data reversal connection protection function as the utility model; described tool main body is provided with display screen; the positive pole of described display screen is connected by the described positive source line of described switch and described USB line or described positive voltage data line, and the negative pole of described display screen is connected with the described ground wire of described USB line.
Improve for the one detecting the tool of mobile terminal reverse power connection and data reversal connection protection function as the utility model, the shape of described tool main body is cuboid-type, cylindrical, taper type, hexagon or eight prismatic.
Improve for the one detecting the tool of mobile terminal reverse power connection and data reversal connection protection function as the utility model, described switch-linear hybrid is on the upper surface of described tool main body.
Improve for the one detecting the tool of mobile terminal reverse power connection and data reversal connection protection function as the utility model, described display screen and described USB interface are arranged on the front surface of described tool main body.
Improve, on the left surface that described positive source line and described power-polar curve are arranged at described tool main body or right flank for the one detecting the tool of mobile terminal reverse power connection and data reversal connection protection function as the utility model.
Relative to prior art, the utility model is by arranging tool main body, USB interface, USB line, switch, cathode power supply line, anode power cord and programmable power supply, wherein, the effect of switch is to regulate power supply shelves and data shelves, the effect of cathode power supply line and anode power cord is tool main body and programmable power supply to couple together, the effect of USB interface is to be connected with mobile terminal by USB line, when switch being played the positive source line to USB line, the test of reverse power connection can be carried out, and when switch being beaten the positive voltage data line to USB line, then can carry out the test of data reversal connection, thus, reverse power connection and the data reversal connection protection function whether mobile terminal has USB can be detected by above assembly, lost efficacy with the USB or main board function that prevent mobile terminal.And the utility model structure is simple, and easily realize, cost of manufacture is low.
Another object of the present utility model is to provide a kind of method utilizing tool of the present utility model to detect mobile terminal reverse power connection and data reversal connection protection function, at least comprises the following steps:
Whether A, the USB recognition function checking mobile terminal and charge function be normal, if normally, then carries out following steps;
B, mobile terminal is connected one end of USB line by its USB port, the other end of USB line connects the USB interface of described tool;
C, reverse power connection are tested: tool main body be connected with the positive pole of programmable power supply by anode power cord, be connected with the negative pole of programmable power supply by cathode power supply line, the voltage of programmable power supply is set, then switch is beaten the positive source line side to USB line, open mobile terminal, continue charging 10min-200min after, mobile terminal is separated with USB line, again check the USB recognition function of mobile terminal and charge function whether normal;
D, data reversal connection test: tool main body is connected with the positive pole of programmable power supply by cathode power supply line, be connected with the negative pole of programmable power supply by anode power cord, the voltage of programmable power supply is set, then switch is beaten the positive voltage data line side to USB line, open mobile terminal, continue after 10min-200min, mobile terminal be separated with USB line, again check the USB recognition function of mobile terminal and charge function whether normal.
The one detecting the method for mobile terminal reverse power connection and data reversal connection protection function as the utility model is improved, and in step C, the voltage of programmable power supply is 8V-15V.
The one detecting the method for mobile terminal reverse power connection and data reversal connection protection function as the utility model is improved, and in step C, charging current is less than 10mA, to prevent from causing unnecessary harm to mobile terminal.
The one detecting the method for mobile terminal reverse power connection and data reversal connection protection function as the utility model is improved, and in D step, the voltage of programmable power supply is 3V-8V.
Relative to prior art, the utility model method is simple, is easy to realize, and effectively can detects reverse power connection and the data reversal connection protection function whether mobile terminal has USB, loses efficacy with the USB or main board function that prevent mobile terminal.The method can enrich the detection method of mobile terminal, for the quality guarantee of mobile terminal provides sound assurance.
Wherein, step C and D step in no particular order, can the reverse power connection defencive functions of USB interface of first testing mobile terminal, also can the data reversal connection protection function of USB interface of first testing mobile terminal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the internal wiring figure of the utility model embodiment 1.
Wherein, 1-tool main body, 2-USB interface, 3-USB line, 31-positive source line, 32-positive voltage data line, 33-ground wire, 34-negative voltage data line, 4-switch, 5-cathode power supply line, 6-anode power cord, 7-programmable power supply, 8-display screen.
Embodiment
Below in conjunction with embodiment, the utility model and beneficial effect thereof are described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of tool for detecting mobile terminal reverse power connection and data reversal connection protection function that the present embodiment provides, the USB interface 2 comprising tool main body 1 and be arranged in tool main body 1, USB line 3, switch 4, cathode power supply line 5, anode power cord 6 and programmable power supply 7, be connected with anode power cord 6 by cathode power supply line 5 between measurement jig main body 1 and programmable power supply 7, USB line 3 is connected with USB interface 2, switch 4 can beat the positive voltage data line 32 (data shelves) of positive source line 31 (power supply shelves) to USB line 3 or USB line 3, and programmable power supply 7 is connected with the ground wire 33 of USB line 3.In addition, USB line 3 also comprises negative voltage data line 34.When 4 dozens, switch is to the positive source line 31 of USB line 3, programmable power supply 7 is connected with USB line 3 with ground wire 33 by positive source line 31, thus can carry out reverse power connection test; When 4 dozens, switch is to the positive voltage data line 32 of USB line 3, programmable power supply 7 is connected with USB line 3 with ground wire 33 by positive voltage data line 32, thus can carry out data reversal connection test.
Wherein, tool main body 1 is provided with display screen 8, the positive pole of display screen 8 is connected by the positive source line 31 of switch and USB line or positive voltage data line 32, and the negative pole of display screen 8 is connected with the ground wire 33 of USB line 3.The effect of display screen 8 is to show current test voltage, thus can demonstrate the whether reversal connection of power supply whether reversal connection, data intuitively.
The shape of tool main body 1 is cuboid-type, cylindrical, taper type, hexagon or eight prismatic.Switch 3 is arranged on the upper surface of tool main body 1, and switch 3 is set to dial formula or push button.Display screen 8 and USB interface 2 are arranged on the front surface of tool main body 1, so that the grafting of USB line 3 and observation reading displayed shield the display data on 8.On the left surface that positive source line 5 and power-polar curve 6 are arranged at tool main body 1 or right flank.
Embodiment 2
Present embodiments provide a kind of method utilizing the tool of embodiment 1 to detect mobile terminal reverse power connection and data reversal connection protection function, comprise the following steps:
The first step, whether normally the USB recognition function of inspection mobile terminal and charge function, if normally, then carry out following steps;
Second step, connects one end of USB line 3, the USB interface 2 of the other end connection fixture of USB line 3 by its USB port by mobile terminal;
3rd step, reverse power connection is tested: tool main body 1 be connected with the positive pole of programmable power supply 7 by anode power cord 6, be connected by the negative pole of cathode power supply line 5 with programmable power supply 7, the voltage arranging programmable power supply 7 is+12V, now, display screen 8 is shown as-12V, then by positive source line 31 side (power supply shelves) of 4 dozens, switch to USB line 3, open mobile terminal, after lasting charging 30min (charging current is less than 10mA), mobile terminal is separated with USB line 3, again check the USB recognition function of mobile terminal and charge function whether normal;
4th step, data reversal connection is tested: tool main body 1 be connected with the positive pole of programmable power supply 7 by cathode power supply line 5, be connected by the negative pole of anode power cord 6 with programmable power supply 7, the voltage arranging programmable power supply 7 is+5V, now, display screen 8 is shown as+5V, then by positive voltage data line 32 side of 4 dozens, switch to USB line 3, mobile terminal is opened, after continuing 30min, mobile terminal is separated with USB line 3, again check the USB recognition function of mobile terminal and charge function whether normal.
Embodiment 3
Present embodiments provide a kind of method utilizing the tool of embodiment 1 to detect mobile terminal reverse power connection and data reversal connection protection function, comprise the following steps:
The first step, whether normally the USB recognition function of inspection mobile terminal and charge function, if normally, then carry out following steps;
Second step, connects one end of USB line 3, the USB interface 2 of the other end connection fixture of USB line 3 by its USB port by mobile terminal;
3rd step, data reversal connection is tested: tool main body 1 be connected with the positive pole of programmable power supply 7 by cathode power supply line 5, be connected by the negative pole of anode power cord 6 with programmable power supply 7, the voltage arranging programmable power supply 7 is+6V, now, display screen 8 is shown as+6V, then by positive voltage data line 32 side of 4 dozens, switch to USB line 3, mobile terminal is opened, after continuing 60min, mobile terminal is separated with USB line 3, again check the USB recognition function of mobile terminal and charge function whether normal.
4th step, reverse power connection is tested: tool main body 1 be connected with the positive pole of programmable power supply 7 by anode power cord 6, be connected by the negative pole of cathode power supply line 5 with programmable power supply 7, the voltage arranging programmable power supply 7 is+10V, now, display screen 8 is shown as-10V, then by positive source line 31 side (power supply shelves) of 4 dozens, switch to USB line 3, open mobile terminal, after lasting charging 60min (charging current is less than 10mA), mobile terminal is separated with USB line 3, again check the USB recognition function of mobile terminal and charge function whether normal.
Embodiment 4
Present embodiments provide a kind of method utilizing the tool of embodiment 1 to detect mobile terminal reverse power connection and data reversal connection protection function, comprise the following steps:
The first step, whether normally the USB recognition function of inspection mobile terminal and charge function, if normally, then carry out following steps;
Second step, connects one end of USB line 3, the USB interface 2 of the other end connection fixture of USB line 3 by its USB port by mobile terminal;
3rd step, reverse power connection is tested: tool main body 1 be connected with the positive pole of programmable power supply 7 by anode power cord 6, be connected by the negative pole of cathode power supply line 5 with programmable power supply 7, the voltage arranging programmable power supply 7 is+14V, now, display screen 8 is shown as-14V, then by positive source line 31 side (power supply shelves) of 4 dozens, switch to USB line 3, open mobile terminal, after lasting charging 100min (charging current is less than 10mA), mobile terminal is separated with USB line 3, again check the USB recognition function of mobile terminal and charge function whether normal;
4th step, data reversal connection is tested: tool main body 1 be connected with the positive pole of programmable power supply 7 by cathode power supply line 5, be connected by the negative pole of anode power cord 6 with programmable power supply 7, the voltage arranging programmable power supply 7 is+4V, now, display screen 8 is shown as+4V, then by positive voltage data line 32 side of 4 dozens, switch to USB line 3, mobile terminal is opened, after continuing 100min, mobile terminal is separated with USB line 3, again check the USB recognition function of mobile terminal and charge function whether normal.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (6)
1. for detecting the tool of mobile terminal reverse power connection and data reversal connection protection function, it is characterized in that: comprise tool main body and be arranged at the USB interface in described tool main body, USB line, switch, cathode power supply line, anode power cord and programmable power supply, be connected with described anode power cord by described cathode power supply line between described measurement jig main body and described programmable power supply, described USB line is connected with described USB interface, described switch can beat the positive voltage data line of positive source line to described USB line or described USB line, and described programmable power supply is connected with the ground wire of described USB line.
2. the tool for detecting mobile terminal reverse power connection and data reversal connection protection function according to claim 1; it is characterized in that: described tool main body is provided with display screen; the positive pole of described display screen is connected by the described positive source line of described switch and described USB line or described positive voltage data line, and the negative pole of described display screen is connected with the described ground wire of described USB line.
3. the tool for detecting mobile terminal reverse power connection and data reversal connection protection function according to claim 1, is characterized in that: the shape of described tool main body is cuboid-type, cylindrical, taper type, hexagon or eight prismatic.
4. the tool for detecting mobile terminal reverse power connection and data reversal connection protection function according to claim 1, is characterized in that: described switch-linear hybrid is on the upper surface of described tool main body.
5. the tool for detecting mobile terminal reverse power connection and data reversal connection protection function according to claim 2, is characterized in that: described display screen and described USB interface are arranged on the front surface of described tool main body.
6. the tool for detecting mobile terminal reverse power connection and data reversal connection protection function according to claim 1, is characterized in that: on the left surface that described positive source line and described power-polar curve are arranged at described tool main body or right flank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245344.9U CN204515047U (en) | 2015-04-21 | 2015-04-21 | For detecting the tool of mobile terminal reverse power connection and data reversal connection protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245344.9U CN204515047U (en) | 2015-04-21 | 2015-04-21 | For detecting the tool of mobile terminal reverse power connection and data reversal connection protection function |
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| Publication Number | Publication Date |
|---|---|
| CN204515047U true CN204515047U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520245344.9U Withdrawn - After Issue CN204515047U (en) | 2015-04-21 | 2015-04-21 | For detecting the tool of mobile terminal reverse power connection and data reversal connection protection function |
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| Country | Link |
|---|---|
| CN (1) | CN204515047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777385A (en) * | 2015-04-21 | 2015-07-15 | 东莞华贝电子科技有限公司 | Jig and method for detecting power supply reverse connection and data reverse connection protection function of mobile terminal |
| CN109932580A (en) * | 2017-12-16 | 2019-06-25 | 神讯电脑(昆山)有限公司 | USB interface detection device |
-
2015
- 2015-04-21 CN CN201520245344.9U patent/CN204515047U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777385A (en) * | 2015-04-21 | 2015-07-15 | 东莞华贝电子科技有限公司 | Jig and method for detecting power supply reverse connection and data reverse connection protection function of mobile terminal |
| CN104777385B (en) * | 2015-04-21 | 2017-06-13 | 东莞华贝电子科技有限公司 | Tool and method for detecting mobile terminal reverse power connection and data reversal connection protection function |
| CN109932580A (en) * | 2017-12-16 | 2019-06-25 | 神讯电脑(昆山)有限公司 | USB interface detection device |
| CN109932580B (en) * | 2017-12-16 | 2021-04-13 | 神讯电脑(昆山)有限公司 | USB interface detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20170613 |
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| AV01 | Patent right actively abandoned |