CN105259436A - Performance detecting device based on cell phone data cable - Google Patents
Performance detecting device based on cell phone data cable Download PDFInfo
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- CN105259436A CN105259436A CN201510659156.5A CN201510659156A CN105259436A CN 105259436 A CN105259436 A CN 105259436A CN 201510659156 A CN201510659156 A CN 201510659156A CN 105259436 A CN105259436 A CN 105259436A
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Abstract
The invention provides a performance detecting device based on a cell phone data cable. The performance detecting device comprises a control module, a high-voltage withstand detecting module, a polarity switching-on detecting module, and a display module. The control module is connected with the high-voltage withstand detecting module, the polarity switching-on detecting module, and the display module and is used for controlling the performance detecting device to detect the performance of the cell phone data cable. The high-voltage withstand detecting module is connected with the control module and detects the high-voltage withstand characteristic of the cell phone data cable under the control of the control module. The polarity switching-on detecting module is connected with the control module and detects the polarity switching-on characteristic of the cell phone data cable under the control of the control module. The display module is connected with the control module and displays the detection results of the high-voltage withstand detecting module and the polarity switching-on detecting module under the control of the control module. The performance detecting device is comprehensive in detection functions, stable, high in efficiency, and suitable for factory workshop production.
Description
Technical field
The present invention relates to detection technique field, particularly relate to a kind of device for detecting performance of data line.
Background technology
Data line (DataCable), for realizing the connection between mobile device and computer, to reach data transmission or communication objective.Popularly say, data line is exactly connect the path instrument that computer and mobile device are used for transmitting the files such as video, the tinkle of bells, picture.Along with the development that electron trade is maked rapid progress, data line has become part indispensable in our life, and the function of data line is not only transmitted for data, can also be used for working as charging wire simultaneously, as, use USB data line widely at present, therefore, the detection of data line in industrial processes, needs more strict and comprehensive.
At present, existing device for detecting performance is substantially all the subsystems for professional domain, and pick-up unit is mainly used in each industrial control field, especially concentrates on plant produced workshop; And the object detected also major part be for power lead, seldom have for data line.As, the high pressure resistant or detection system of power lead, zero live wire polarity connection reverse-examination examining system of power lead, all intelligence detects for the individual feature of power lead, and same pick-up unit cannot be used to realize the comprehensive Aulomatizeted Detect of whole power lead.
Summary of the invention
For the problems referred to above, the present invention aims to provide a kind of device for detecting performance based on cellular phone data line, and its measuring ability is comprehensive, has the advantages such as stable, efficient, is applicable to factory floor and produces.
Technical scheme provided by the invention is as follows:
Based on a device for detecting performance for cellular phone data line, comprising: high pressure resistant detection module, polarity conduction detection module, control module and display module, wherein,
Described control module, is connected with described high pressure resistant detection module, polarity conduction detection module and display module respectively, and described control module is for controlling the Performance Detection of described device for detecting performance to described cellular phone data line;
Described high pressure resistant detection module, is connected with described control module, and described high pressure resistant detection module realizes the detection of the high pressure resistant property to described cellular phone data line under the control of described control module;
Described polarity conduction detection module, is connected with described control module, and described polarity conduction detection module realizes the detection of the polarity on state characteristic to described cellular phone data line under the control of described control module;
Described display module, is connected with described control module, and described display module shows the testing result of described high pressure resistant detection module and described polarity conduction detection module under the control of described control module.
In the technical program, device for detecting performance is made up of above 4 parts, realizes carrying out Aulomatizeted Detect to the high voltage performance and polarity conduction property etc. of cellular phone data line.
Preferably, described high pressure resistant detection module comprises: high pressure regulator, feed circuit and Hi-pot test circuit, wherein,
Described feed circuit, for providing detection voltage for described high pressure resistant detection module;
Described high pressure regulator, is connected with described feed circuit, for regulating described detection magnitude of voltage;
Described Hi-pot test circuit, is connected with described high pressure regulator, for carrying out high voltage performance detection to described cellular phone data line.
Preferably, described feed circuit provide and are greater than 5000V high pressure.
Preferably, also comprise in described high pressure resistant detection module: the first comparator circuit be connected with described high pressure resistant test circuit, the test result of described high pressure resistant test circuit and predeterminated voltage detection threshold compare by described first comparator circuit.
Preferably, also comprise the timer be connected with described feed circuit in described high pressure resistant detection module, described feed circuit export described detection voltage with predeterminated frequency under the effect of described timer.
Preferably, described high pressure resistant detection module also comprises the Hi-pot test contactor be connected with described control module, and described Hi-pot test contactor controls the break-make between described high pressure resistant detection module and described cellular phone data line under the control of described control module.
Preferably, described polarity conduction detection module comprises at least one polarity continuity test contactor be connected with described control module, and described polarity continuity test contactor controls the break-make between described polarity conduction detection module and described cellular phone data line under the control of described control module.
Preferably, described polarity conduction detection module comprises 4 described polarity continuity test contactors, power lead, ground wire and two data lines one_to_one corresponding in each described polarity continuity test contactor and cellular phone data line are arranged, and are respectively used to control every break-make between root line and described polarity conduction detection module in cellular phone data line
Preferably, also comprise the polarity continuity test circuit be connected with described polarity continuity test contactor in described polarity conduction detection module, described polarity continuity test circuit is used for carrying out the detection of polarity conduction property to described cellular phone data line.
Preferably, also comprise the second comparator circuit be connected with described polarity continuity test circuit in described polarity conduction detection module, the input voltage of described polarity continuity test circuit and output voltage compare by described second comparator circuit.
Device for detecting performance based on cellular phone data line provided by the invention, can bring following beneficial effect:
In the present invention, by high pressure resistant detection module, high pressure, outer high pressure and drain voltage between cellular phone data line are tested, tested by the polarity conduction property of polarity conduction detection module to cellular phone data line, realize the robotization of cellular phone data line and comprehensively detect, decreasing manpower and materials.Employ device for detecting performance provided by the invention and Performance Detection is carried out to cellular phone data line, substantially increase the efficiency of factory floor, and this device for detecting performance stable performance.
Accompanying drawing explanation
Below by clearly understandable mode, accompanying drawings preferred implementation, is further described above-mentioned characteristic, technical characteristic, advantage and implementation thereof.
Fig. 1 is the device for detecting performance structural representation based on cellular phone data line in the present invention;
Fig. 2 is a kind of structural representation of high pressure resistant detection module in the present invention;
Fig. 3 is the another kind of structural representation of high pressure resistant detection module in the present invention;
Fig. 4 is the process flow diagram in the present invention in the high pressure resistant detection module course of work.
Drawing reference numeral illustrates:
The high pressure resistant detection module of 10-, 20-polarity conduction detection module, 30-control module, 40-display module, 11-high pressure regulator, 12-feed circuit, 13-Hi-pot test circuit, 14-first comparator circuit.
Embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, contrast accompanying drawing is illustrated the specific embodiment of the present invention below.Apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, and obtain other embodiment.
Be illustrated in figure 1 the device for detecting performance structural representation based on cellular phone data line provided by the invention, as can be seen from the figure, comprise at this device for detecting performance: high pressure resistant detection module 10, polarity conduction detection module 20, control module 30 and display module 40, wherein, control module 30 is connected with high pressure resistant detection module 10, polarity conduction detection module 20 and display module 40 respectively and carries out two-way communication.In the course of the work, high pressure resistant detection module 10 realizes the detection of the high pressure resistant property to cellular phone data line under the control of control module 30, polarity conduction detection module 20 realizes the detection of the polarity on state characteristic to cellular phone data line under the control of control module 30, and display module 40 shows the testing result of high pressure resistant detection module 10 and polarity conduction detection module 20 under the control of control module 30.Specifically, in display module 40 testing result of display comprise that high pressure resistant detection module 10 provides in the process detected detection voltage, detection voltage that polarity conduction detection module 20 provides in testing process, the yield etc. of cellular phone data line that detects.In a particular embodiment, display module 40 comprises a capacitive touch-screen, provides human-computer interaction interface; In addition, in display module 40, reometer, voltage table and keyswitch etc. are also comprised, to show current value and magnitude of voltage in real time; Operating personnel realize unlatching to high pressure resistant detection module 10 and polarity conduction detection module 20 and shutoff by keyswitch, e.g., when needs carry out high pressure resistant test to cellular phone data line, then can open high pressure resistant detection module 10 by this keyswitch; When not needing to carry out polarity continuity test to cellular phone data line, then close polarity conduction detection module 20 by this keyswitch.In other embodiments, also comprise counter and pilot lamp in display module 40, wherein, counter is used for the number of statistic mixed-state cellular phone data line non-defective unit out; Pilot lamp is used to indicate the testing result of high pressure resistant detection module 10 or polarity conduction detection module 20, e.g., when the high pressure resistant test performance of cellular phone data line is good, then and pilot lamp display green light; Contrary, when the high pressure resistant test performance of cellular phone data line is bad, then pilot lamp display red light.
Specifically, as shown in Figure 2, high pressure resistant detection module 10 comprises: high pressure regulator 11, feed circuit 12 and Hi-pot test circuit 13, and wherein, high pressure regulator 11 is connected with feed circuit 12, and Hi-pot test circuit 13 is connected with high pressure regulator 11.In the process of work, feed circuit 12 are used to power for whole high pressure resistant detection module 10, the detection voltage simultaneously using high pressure regulator 11 pairs of feed circuit 12 to export regulates, as in a particular embodiment, high pressure resistant detection module 10 is made to obtain the high pressure of 5000V by the adjustment of high pressure regulator 11; Finally, Hi-pot test circuit 13 pairs of cellular phone data lines are used to carry out high pressure resistant test.Be noted that and using high pressure resistant detection module 10 pairs of cellular phone data lines to carry out the high pressure resistant test signal of voltage table Dynamic Announce simultaneously used in the process of resistance test in display module 40, and control module 30 can carry out feedback processing to Hi-pot test signal.In addition, in order to prevent high pressure resistant detection module 10 to be short-circuited, in this high pressure resistant detection module 10, high voltage short circuit protection circuit is also comprised.In order to the work of high pressure resistant detection module 10 better can be controlled, we also arrange the timer be connected with feed circuit 12 in high pressure resistant detection module 10, feed circuit 12 under the effect of timer with predeterminated frequency output detections voltage, as in a particular embodiment, export one-time detection voltage in the every 10s of feed circuit 12, operating personnel set according to actual conditions.
As described in Figure 3, also comprise in high pressure resistant detection module 10: the test result of high pressure resistant test circuit 13 and predeterminated voltage detection threshold compare by the first comparator circuit 14, first comparator circuit 14 be connected with high pressure resistant test circuit 13.As, in the process that the drain voltage of usability proving installation to cellular phone data line is tested, predeterminated voltage detection threshold is 3V according to standard configuration by we, like this, we are in the process using this high pressure resistant test circuit 13, if the first comparator circuit 14 drain voltage that more high pressure resistant test circuit 13 detects is greater than 3V, then illustrate that cellular phone data line is high pressure resistant bad, high pressure resistant detection module 10 disconnects the connection with cellular phone data line, send bad signal NG in control module 30 simultaneously, control module 30 receives this bad signal NG, process accordingly immediately.Corresponding, if the first comparator circuit 14 drain voltage that more high pressure resistant test circuit 13 detects is less than 3V, then illustrate that this cellular phone data line high voltage performance is good, send good signal OK in control module 30 simultaneously.Be noted that in this process, the leakage current of what high pressure resistant detection module 10 detected is cellular phone data line, the leakage current that this detects by we is converted into drain voltage and compares, and completes and tests the high voltage performance of cellular phone data line.
Furthermore, also comprise the Hi-pot test contactor be connected with control module 30 in high pressure resistant detection module 10, Hi-pot test contactor controls the break-make between high pressure resistant detection module 10 and cellular phone data line under the control of control module 30.In the course of the work, when needs carry out high pressure resistant test to cellular phone data line, then control module 30 controls this Hi-pot test contactor conducting, allows high pressure resistant detection module 10 be connected with cellular phone data line; When not needing to carry out high pressure resistant test to cellular phone data line, then control module 30 controls the closedown of this Hi-pot test contactor, allows high pressure resistant detection module 10 not be connected with cellular phone data line.In a particular embodiment, Hi-pot test contactor is here A.C. contactor.
Polarity conduction detection module 20 comprises at least one polarity continuity test contactor be connected with control module 30, and polarity continuity test contactor controls the break-make between polarity conduction detection module 20 and cellular phone data line under the control of control module 30.Furthermore, polarity conduction detection module 20 comprises 4 polarity continuity test contactors, power lead (Vbus line) in each polarity continuity test contactor and cellular phone data line, ground wire (GND line) and two data lines (DM line and DP line) one_to_one corresponding are arranged, be respectively used to control every break-make between root line and polarity conduction detection module 20 in cellular phone data line, in a particular embodiment, here polarity continuity test contactor is all contact ac device, conducting to realize in cellular phone data line 4 (one end is input end with the two ends polarity continuity test of line successively, the other end is output terminal).In addition, the second comparator circuit of the polarity continuity test circuit be connected with polarity continuity test contactor is also comprised in polarity conduction detection module 20, wherein, polarity continuity test circuit is used for carrying out the detection of polarity conduction property to cellular phone data line, and the input voltage of polarity continuity test circuit and output voltage compare by the second comparator circuit.In a particular embodiment, polarity continuity test circuit provides 0V signal for cellular phone data line, then judged the polarity conduction property of this cellular phone data line by the voltage of detection of handset data line output terminal.If the second comparator circuit compares output voltage and input voltage is inconsistent, namely output voltage is not 0V, then illustrate that this cellular phone data line disconnects; When the output terminal of cellular phone data line and the voltage of input end consistent, then this cellular phone data line conducting is described.Be noted that, in this process, polarity continuity test circuit can also provide other magnitudes of voltage for the input end of cellular phone data line, as 3V, as long as detect that the magnitude of voltage of output terminal is consistent with the magnitude of voltage of input end namely represent that this data line is conducting, concrete decision rule is as shown in table 1, as can be seen from the table, the magnitude of voltage that the output terminal of the DM data terminal in this cellular phone data line detects is infinity, then illustrate that this data line has broken, other three lines are all conductings.
Table 1:
As a complete embodiment, as shown in Figure 4, we are described in detail the process of the drain voltage of detection of handset data line below:
First arrange start-up parameter, comprise the high pressure resistant test duration, the detection voltage voltammogram number (magnitude of voltage that feed circuit 12 provide and the scope that high pressure regulator 11 regulates) of test, leakage current test gear is selected;
Then press start button and carry out high pressure resistant test to cellular phone data line, when first time starts, Hi-pot test contactor is connected and the detection voltage of setting is sent to data in mobile phone; By Hi-pot test circuit 13 testing mobile phone data line mesohigh (the detection voltage of the 3KV ~ 5KV) leakage current to cellular phone data line casing, how carry out the high pressure resistant quality of detection of handset data line with this.In the process detected, the leakage current detected is converted to drain voltage by Hi-pot test circuit 13; And then the drain voltage detected is compared with normal voltage 3V.
If drain voltage is greater than 3V, then cellular phone data line is high pressure resistant bad, then automatically disconnect Hi-pot test contactor, bad for this high pressure signal NG is sent to control module 30 simultaneously and processes; If drain voltage is less than 3V, then cellular phone data line the high pressure resistant OK of being and transfer the signal to the control module 30 and process, control module 30 controls Hi-pot test contactor and disconnects simultaneously, waits for and testing next time.
It should be noted that above-described embodiment all can independent assortment as required.The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. based on a device for detecting performance for cellular phone data line, it is characterized in that, described device for detecting performance comprises: high pressure resistant detection module, polarity conduction detection module, control module and display module, wherein,
Described control module, is connected with described high pressure resistant detection module, polarity conduction detection module and display module respectively, and described control module is for controlling the Performance Detection of described device for detecting performance to described cellular phone data line;
Described high pressure resistant detection module, is connected with described control module, and described high pressure resistant detection module realizes the detection of the high pressure resistant property to described cellular phone data line under the control of described control module;
Described polarity conduction detection module, is connected with described control module, and described polarity conduction detection module realizes the detection of the polarity on state characteristic to described cellular phone data line under the control of described control module;
Described display module, is connected with described control module, and described display module shows the testing result of described high pressure resistant detection module and described polarity conduction detection module under the control of described control module.
2. device for detecting performance as claimed in claim 1, it is characterized in that, described high pressure resistant detection module comprises: high pressure regulator, feed circuit and Hi-pot test circuit, wherein,
Described feed circuit, for providing detection voltage for described high pressure resistant detection module;
Described high pressure regulator, is connected with described feed circuit, for regulating described detection magnitude of voltage;
Described Hi-pot test circuit, is connected with described high pressure regulator, for carrying out high voltage performance detection to described cellular phone data line.
3. device for detecting performance as claimed in claim 2, is characterized in that: described feed circuit provide and are greater than 5000V high pressure.
4. device for detecting performance as claimed in claim 2 or claim 3, it is characterized in that: also comprise in described high pressure resistant detection module: the first comparator circuit be connected with described high pressure resistant test circuit, the test result of described high pressure resistant test circuit and predeterminated voltage detection threshold compare by described first comparator circuit.
5. device for detecting performance as claimed in claim 4, it is characterized in that: also comprise the timer be connected with described feed circuit in described high pressure resistant detection module, described feed circuit export described detection voltage with predeterminated frequency under the effect of described timer.
6. device for detecting performance as claimed in claim 5, it is characterized in that, described high pressure resistant detection module also comprises the Hi-pot test contactor be connected with described control module, and described Hi-pot test contactor controls the break-make between described high pressure resistant detection module and described cellular phone data line under the control of described control module.
7. device for detecting performance as claimed in claim 6, it is characterized in that, described polarity conduction detection module comprises at least one polarity continuity test contactor be connected with described control module, and described polarity continuity test contactor controls the break-make between described polarity conduction detection module and described cellular phone data line under the control of described control module.
8. device for detecting performance as claimed in claim 7, it is characterized in that: described polarity conduction detection module comprises 4 described polarity continuity test contactors, power lead, ground wire and two data lines one_to_one corresponding in each described polarity continuity test contactor and cellular phone data line are arranged, and are respectively used to control every break-make between root line and described polarity conduction detection module in cellular phone data line.
9. device for detecting performance as claimed in claim 7 or 8, it is characterized in that: also comprise the polarity continuity test circuit be connected with described polarity continuity test contactor in described polarity conduction detection module, described polarity continuity test circuit is used for carrying out the detection of polarity conduction property to described cellular phone data line.
10. device for detecting performance as claimed in claim 9, it is characterized in that: also comprise the second comparator circuit be connected with described polarity continuity test circuit in described polarity conduction detection module, the input voltage of described polarity continuity test circuit and output voltage compare by described second comparator circuit.
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| CN201510659156.5A CN105259436A (en) | 2015-10-13 | 2015-10-13 | Performance detecting device based on cell phone data cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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