CN108254651B - Wiring inspection method - Google Patents
Wiring inspection method Download PDFInfo
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- CN108254651B CN108254651B CN201611238102.2A CN201611238102A CN108254651B CN 108254651 B CN108254651 B CN 108254651B CN 201611238102 A CN201611238102 A CN 201611238102A CN 108254651 B CN108254651 B CN 108254651B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Abstract
A wiring checking method comprises the steps of when the respective positive ends of a first measuring channel and a first power channel are judged to be connected to the positive end of one of a plurality of batteries, and the respective negative ends of the first measuring channel and the first power channel are connected to the negative end of one of the batteries, providing a first current through the first power channel, measuring a first voltage through the first measuring channel, providing a second current through the first power channel, measuring a second voltage through the first measuring channel, and judging whether the first measuring channel and the first power channel are connected to the same battery or not according to the difference value of the second voltage and the first voltage.
Description
Technical Field
The invention relates to a wiring inspection method, in particular to a battery wiring inspection method.
Background
Generally, in a battery test, a plurality of batteries are tested by a plurality of test units at a time, and as the number of batteries increases, a circuit connected to a test apparatus becomes more complicated, and thus a wiring error is likely to occur. By using polarity check, it can be confirmed that the positive and negative ends of each test line are connected to the positive and negative ends of the battery. However, in the case that the power supply terminal and the test terminal of the same test unit are both connected to different batteries with correct polarity, the polarity check alone cannot detect the correct polarity, and manual check or additional equipment is required. The wiring inspection method not only needs to spend extra equipment cost but also needs to take longer time for testing.
Disclosure of Invention
The invention aims to provide a wiring checking method for judging the correctness of wiring between a testing device and an object to be tested.
The wiring inspection method according to an embodiment of the invention comprises the following steps: when the positive ends of the first measurement channels and the first power channels corresponding to the first measurement channels are judged to be connected with the positive end of one of the batteries, and the negative ends of the first measurement channels and the first power channels are judged to be connected with the negative end of one of the batteries, the first power channels are used for providing first current, and the first measurement channels are used for measuring first voltage; providing a second current by using the first power channel, and measuring a second voltage by using the first measurement channel; and judging whether the first measurement channel and the first power channel are connected to the same battery or not according to the difference value of the second voltage and the first voltage.
The method for inspecting the wiring according to an embodiment of the present invention further includes the following steps: when the first power channel provides the first current, a plurality of second measuring channels are used for measuring a plurality of third voltages respectively; when the first power channel provides the second current, the second measuring channels respectively measure a plurality of fourth voltages; and when the first measuring channel and the first power supply channel are judged to be connected with different batteries, providing a correct wiring mode according to the difference value of each fourth voltage and the corresponding third voltage.
With the structure, the wiring inspection method disclosed by the scheme provides two different currents for the battery by the power channel of the testing device, measures the voltage change by the measuring channel in the testing device, and judges the wiring correctness according to the voltage change. In addition, if the measuring channel and the corresponding power channel are connected to different batteries, the correct wiring mode can be further obtained, the time consumed by manual inspection in the prior art is reduced, and the cost for additionally adding other detection equipment to check the wiring correctness can also be reduced.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1A is a schematic diagram of a testing apparatus to which a wiring inspection method according to an embodiment of the present invention is applied;
FIG. 1B is a schematic diagram of a testing apparatus to which the wiring inspection method according to an embodiment of the present invention is applied;
FIG. 2 is a flow chart of a wire inspection method according to an embodiment of the invention;
FIG. 3 is a schematic diagram of current and voltage during operation of the wire check method according to an embodiment of the present invention;
FIG. 4 is a schematic wiring diagram of a testing apparatus to which a wiring inspection method according to another embodiment of the present invention is applied;
fig. 5 is a flowchart illustrating a wire inspection method according to another embodiment of the invention.
Wherein the reference numerals
10 testing device
10' testing device
101 first test unit
111 first measuring channel
113 first power supply channel
111a first measurement channel positive terminal
111b negative terminal of first measurement channel
113a first power channel positive terminal
113b negative terminal of first power channel
20-40 cell
20 a-40 a battery positive terminal
20 b-40 b negative terminals of batteries
201,301 second test unit
211,311 second measurement channel
213,313 second Power channel
211a,311a second measurement channel positive terminal
211b,311b negative terminal of second measurement channel
213a,313a second supply channel positive terminal
213b,313b negative terminal of second power channel
I current
I1First current
I2The second current
V voltage
VOInitial voltage
V1First voltage
VO2Instantaneous voltage
V2Balance voltage
time t
t1First time
t2The second time
C1First curve
C2Second curve
Detailed Description
The detailed features and advantages of the present invention are described in detail in the following embodiments, which are sufficient for anyone skilled in the art to understand the technical contents of the present invention and to implement the present invention, and the objectives and advantages related to the present invention can be easily understood by anyone skilled in the art according to the disclosure of the present specification, the scope of the claims and the accompanying drawings. The following examples further illustrate aspects of the present invention in detail, but are not intended to limit the scope of the invention in any way.
Referring to fig. 1A and 1B, fig. 1A and 1B are schematic wiring diagrams of a testing apparatus to which the wiring inspecting method according to an embodiment of the invention is applied, respectively. As shown in FIGS. 1A and 1B, the test apparatus 10 has a first test unit 101, the first test unit 101 has a first measurement channel 111 and a first power channel 113, wherein the first measurement channel 111 has two connections, a first measurement channel positive terminal 111A and a first measurement channel negative terminal 111B, respectively, and the first power channel 113 also has two connections, a first power channel positive terminal 113a and a first power channel negative terminal 113B, respectively. As shown in FIG. 1A, when the first measurement channel positive terminal 111A and the first power channel positive terminal 113a are both connected to a battery positive terminal 20a, and the first measurement channel negative terminal 111b and the first power channel negative terminal 113b are both connected to a battery negative terminal 20b, the first measurement channel 111 measures the value to perform the test of the battery 20 by the first power channel 113 providing power. With the wiring scheme of FIG. 1A, the testing device 10 can perform a battery test normally, that is, with the schematic illustration of FIG. 1A being wired correctly. FIG. 1B is a schematic diagram of the circuit according to the wrong wiring. As shown in FIG. 1B, the first measurement channel positive terminal 111a and the first measurement channel negative terminal 111B are connected to the battery positive terminal 30a and the battery negative terminal 30B, respectively, the first power channel positive terminal 113a and the first power channel negative terminal 113B are connected to the battery positive terminal 20a and the battery negative terminal 20B, respectively, and the first measurement channel 111 and the first power channel 113 are connected to different batteries, respectively, as wrong connections. By the wiring inspection method of an embodiment of the invention, the wrong wiring condition can be inspected.
Referring to fig. 1A and 1B and fig. 2 together, fig. 2 is a flowchart illustrating a wiring inspecting method according to an embodiment of the invention. In one embodiment, before performing the wiring check, the testing device 10 determines in advance whether the first measurement channel positive terminal 111A and the first power channel positive terminal 113a are respectively connected to one of the battery positive terminals 20a,30a, and whether the first measurement channel negative terminal 111B and the first power channel negative terminal 113B are respectively connected to one of the battery negative terminals 20B,30B, as shown in fig. 1A, 1B.
When the testing device 10 determines that the positive terminals of all the channels are connected to the positive terminal of the battery and the negative terminals of all the channels are connected to the negative terminal of the battery, in step S11, the first power channel 113 provides the first current and the first measurement channel 111 measures the first voltage. Referring to fig. 3, fig. 3 is a schematic current-voltage diagram illustrating the operation of the wiring checking method according to an embodiment of the invention. In one embodiment, as shown in FIG. 3, a first curve C1Represents the voltage measured by the first measurement channel 111 in FIG. 1A, i.e., the first curve C1The voltage measured by the first measurement channel 111 when the first measurement channel 111 and the first power channel 113 are connected to the same battery. When the first power channel 113 provides the first current I1By the time of the battery 20, the battery voltage measured by the first measurement channel 111 will be from the initial voltage VORises to a first voltage V1. In another embodiment, the second curve C2Represents the voltage measured by the first measurement channel 111 in FIG. 1B, i.e., the second curve C2The voltage measured by the first measurement channel 111 when the first measurement channel 111 and the first power channel 113 are connected to different batteries. When the first power path 113 provides the first current I1 to the battery 20, the measured voltage will maintain the initial voltage V since the first measurement path 111 is not connected to the battery 20O。
In step S13, the first power channel 113 provides the second current I2To the battery 20, the first measurement channel 111 will measure the second voltage V2. In the case that the first measurement channel 111 and the first power channel 113 are connected to different batteries, as shown in the first curve C of FIG. 31As shown, when the first power channel 113 provides the second current I2The voltage will drop instantaneously to the instantaneous voltage VO2Then gradually decreases to the balance voltage V2. In one embodiment, the first measurement channel 111 provides the first current I1 to the battery 20 at the first power channel 113 for a first time t1Measuring the first voltage V1The first power channel 113 provides the second current I2To the battery 20 and spaced for a second time t2Then, the first measurement channel 111 measures the balance voltage V2As the second voltage. In another embodiment, when the first power channel 113 provides the second current I2, the first measurement channel 111 measures the voltage immediately to obtain the instantaneous voltage VO2And as a second voltage. Therefore, not only the voltage change can be measured, but also the time for checking the wiring can be shortened. In the case that the first measurement channel 111 and the first power channel 113 are connected to different batteries, as shown in the second curve C of FIG. 32As shown, the voltage measured by the first measurement channel 111 is still maintained at the initial voltage VO。
In step S15, the testing device 10 determines whether the first measurement channel 111 and the first power channel 113 are correctly connected, i.e. whether the first measurement channel 111 and the first power channel 113 are connected to the same battery, according to the difference between the second voltage and the first voltage. More specifically, the difference between the second voltage and the first voltage is the absolute value of the difference between the second voltage and the first voltage. In one embodiment, when the difference between the second voltage and the first voltage is zero, it is determined that the first measurement channel 111 and the first power channel 113 are connected to different batteries. More specifically, as shown in fig. 1A, in the case that the first measurement channel 111 and the first power channel 113 are connected to different batteries, when the current provided by the first power channel 113 changes, the first measurement channel 111 will measure the voltage change at the same time, that is, when the current provided by the first power channel 113 changes from the first current to the second current, the difference between the first voltage and the second voltage measured by the first measurement channel 111 should not be zero. In another embodiment, when the difference between the second voltage and the first voltage is smaller than a threshold, it is determined that the first measurement channel 111 and the first power channel 113 are connected to different batteries. In practice, the noise voltage not generated by the battery under voltage may be measured by the first measurement channel 111, and the malfunction detection caused by the noise voltage measurement can be avoided by setting a threshold. The threshold value may be designed according to the first current and the second current provided by the first power channel 113, which is not limited in the invention.
In one embodiment, the first power channel 113 provides a fifth voltage to the battery 20, and the first measurement channel 111 measures a sixth voltage. The testing device 10 further determines whether the first measurement channel 111 and the first power channel 113 are connected to the same battery according to a difference between the sixth voltage and the fifth voltage. In more detail, when the difference between the fifth voltage and the sixth voltage is greater than the threshold, the testing device 10 determines that the first measurement channel 111 and the first power channel 113 are connected to different batteries. Wherein the difference between the fifth voltage and the sixth voltage is an absolute value of a difference obtained by subtracting the fifth voltage from the sixth voltage. The size of the threshold can be designed according to the user's requirement, and the invention is not limited.
Referring to fig. 4, fig. 4 is a schematic wiring diagram of a testing apparatus to which a wiring inspection method according to another embodiment of the invention is applied. In an embodiment, the testing apparatus has a first testing unit and a plurality of second testing units, and for simplifying the description, two second testing units are taken as an example to illustrate, and the number of the second testing units is not limited in the present invention. As shown in FIG. 4, the test apparatus 10' has a first test unit 101 and two second test units 201,301, the first test unit 101 having a first measurement channel 111 and a first power channel 113, the second test units 201,301 having a second measurement channel 211,311 and a second power channel 213,313, respectively. Each measurement channel or power channel has two connections, positive and negative, for example, the first measurement channel 111 has a first measurement channel positive end 111a and a first measurement channel negative end 111 b.
In one embodiment, the testing apparatus 10' determines in advance whether the first measurement channel positive terminal 111a, the first power channel positive terminal 113a, the second measurement channel positive terminals 211a,311a, and the second measurement channel positive terminals 213a,313a are respectively connected to one of the battery positive terminals 20 a-40 a before performing the wiring check. The testing device 10' also determines whether the first measurement channel negative terminal 111b, the first power channel negative terminal 113b, the second measurement channel negative terminals 211b,311b, and the second measurement channel negative terminals 213b,313b are respectively connected to one of the plurality of battery negative terminals 20 b-40 b. In addition, the testing device 10' also determines whether a positive terminal of a battery is connected to at most a positive terminal of a measurement channel and a positive terminal of a power channel, and whether a negative terminal of the battery is connected to at most a negative terminal of the measurement channel and a negative terminal of the power channel. When the above conditions are met, the testing device 10' performs a wiring check. That is, before the testing device 10' performs the wiring checking method according to an embodiment of the present invention, it is previously determined that each positive channel terminal is connected to the positive battery terminal, each negative channel terminal is connected to the negative battery terminal, and one terminal of the battery is connected to at most one of the measurement channel and the power channel.
Referring to fig. 4 and 5 together, fig. 5 is a flowchart illustrating a wiring inspecting method according to another embodiment of the invention. In step S21, the first power channel 113 provides the first current, the first measurement channel 111 measures a voltage and defines the first voltage, and the second measurement channels 211 and 311 measure voltages and define the third voltage, respectively. In step S23, the first power channel 113 provides a second current, the first measurement channel 111 measures a voltage and defines the voltage as a second voltage, and the second measurement channels 211,311 measure the voltage and define the voltage as a fourth voltage, respectively. That is, when the testing device 10' performs the wiring check of the first testing unit 101, the first power channel 113 of the first testing unit 101 provides different currents, and the first measurement channel 111 of the first testing unit 101 and the second measurement channels 211,311 of the second testing units 201,301 measure corresponding voltages. In one embodiment, after a first time interval when the first power channel 113 provides the first current to the battery 20, the first measurement channel 111 measures the first voltage and the second measurement channels 211 and 311 measure the third voltage, respectively, and then the first power channel 113 provides the second current to the battery 20, and after a second time interval, the first measurement channel 111 measures the second voltage and the second measurement channels 211 and 311 measure the fourth voltage, respectively. In another embodiment, when the first power channel 113 provides the second current, the first measurement channel 111 and the second measurement channels 211,311 immediately measure the second voltage and the fourth voltage, so that not only the voltage variation can be measured, but also the time for checking the wiring can be shortened. The relative relationship between the supplied current and the measured voltage is described in the description of fig. 3, and is not described herein again.
In step S25, similar to step S15 of the connection checking method of fig. 2, the testing device 10' determines whether the connections of the first measurement channel 111 and the first power channel 113 are connected to the same battery according to the difference between the second voltage and the first voltage. In one embodiment, when the difference between the second voltage and the first voltage is zero, it is determined that the first measurement channel 111 and the first power channel 113 are connected to different batteries. In another embodiment, when the difference between the second voltage and the first voltage is smaller than a threshold, it is determined that the first measurement channel 111 and the first power channel 113 are connected to different batteries. The detailed judgment principle is already explained in the embodiment related to the wiring inspection method of fig. 2, and is not described herein again.
In step S27, when it is determined that the first measurement channel 111 and the first power channel 113 are connected to different batteries, a correct connection manner is provided for the user according to the difference between the fourth voltage and the third voltage measured by the second measurement channels 211,311, respectively, such that the first measurement channel 111 and the first power channel 113 are connected to the same battery. Wherein the difference between the fourth voltage and the third voltage refers to the absolute value of the difference between the fourth voltage and the third voltage. The method for providing the correct connection for the user can be, for example, displayed on the display screen, notified by voice, or other methods, which is not limited by the present invention. In one embodiment, when the difference between the second voltage measured by the first measurement channel 111 and the first voltage is zero, and the difference between the fourth voltage measured by one of the second measurement channels 211,311 and the third voltage is not zero, the testing device 10' determines that the first measurement channel 111 should be connected to the battery originally connected to the second measurement channel with the voltage difference not being zero. As a practical example, as shown in fig. 4, when the first power channel 113 provides the first current and the second current to the battery 20 sequentially, since the first measurement channel 111 is connected to the battery 30, the voltage variation cannot be measured, and the second measurement channel 311 connected to the battery 20 can measure the voltage variation. Therefore, the testing device 10' determines that the first measurement channel 111 and the first power channel 113 of the first testing unit 101 are connected to different batteries, and the connection lines 311a,311b on the second measurement channel 311 should be connected to the first measurement channel 111. In another embodiment, when the difference between the second voltage measured by the first measurement channel 111 and the first voltage is smaller than a threshold, and the difference between the fourth voltage measured by one of the second measurement channels 211,311 and the third voltage is not smaller than the threshold, the testing apparatus 10' determines that the first measurement channel 111 should be connected to the battery originally connected to the second measurement channel whose voltage difference is not smaller than the threshold. By setting a threshold, the malfunction of the circuit caused by the noise voltage can be prevented.
In the above embodiments, the first test unit represents a channel for supplying current and measuring voltage, and the second test unit represents a channel for measuring voltage only. In practice, each channel is subjected to the above-mentioned wiring inspection method one by one to determine whether the wiring of each channel is correct, that is, whether the measurement channel and the corresponding power channel are connected to the same battery.
By means of the structure, the wiring inspection method disclosed by the scheme provides two different currents for the battery in sequence through the power channel of the testing device, measures voltage change through the measuring channel in the testing device, and judges the correctness of wiring according to the voltage change. If the measuring channel and the corresponding power channel are connected to different batteries, the correct wiring mode can be further obtained, the time consumed by manual inspection in the prior art is reduced, and the cost for checking the wiring correctness by adding other detection equipment is reduced.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A method of inspecting a wiring, comprising:
when the positive end and the negative end of a first measuring channel are connected with the positive end and the negative end of one of the batteries, and the positive end and the negative end of a first power channel are connected with the positive end and the negative end of one of the batteries, the first power channel is used for providing a first current to the battery connected with the first power channel, and the first measuring channel is used for measuring a first voltage;
after the first voltage is measured by the first measuring channel, the first power channel is used for providing a second current to the battery connected with the first power channel, and the first measuring channel is used for measuring a second voltage;
measuring the first voltage by the first measurement channel after the first power channel provides the first current for a first time interval;
after measuring the first voltage, providing the second current by the first power channel, and measuring the second voltage by the first measuring channel after a second time interval; and
when the difference value between the second voltage and the first voltage is smaller than a threshold value, the battery connected with the first power channel is judged to be different from the battery connected with the first measuring channel.
2. The wire inspection method of claim 1, further comprising:
measuring the first voltage by the first measurement channel after the first power channel provides the first current for a first time interval; and
after measuring the first voltage, the first power channel is used to provide the second current, and the first measurement channel is used to measure the second voltage.
3. The wire inspection method of claim 1, further comprising:
when the first power channel provides the first current, a plurality of second measuring channels are used for measuring a plurality of third voltages respectively, wherein the second measuring channels are connected with batteries except the battery connected with the first measuring channel;
when the first power channel provides the second current, the second measuring channels respectively measure a plurality of fourth voltages; and
when the first measuring channel and the first power channel are judged to be connected with two of the different batteries, a correct wiring mode is provided according to the difference value of each fourth voltage and the corresponding third voltage.
4. The wire inspection method of claim 3, further comprising:
after the first power channel provides the first current for a first time interval, measuring the first voltage by the first measuring channel, and measuring the third voltages by the second measuring channels respectively; and
after measuring the first voltage and the third voltages, the first power channel is used for providing the second current, after a second time interval, the first measuring channel is used for measuring the second voltage, and the second measuring channels are used for measuring the fourth voltages respectively.
5. The wire inspection method of claim 3, further comprising:
after the first power channel provides the first current for a first time interval, measuring the first voltage by the first measuring channel, and measuring the third voltages by the second measuring channels respectively; and
after measuring the first voltage and the third voltages, the first power channel is used to provide the second current, and the first measuring channel is used to measure the second voltage immediately, and the second measuring channels are used to measure the fourth voltages respectively.
6. The wire inspection method of claim 3, further comprising:
when the difference value between the fourth voltage and the third voltage measured by one of the second measurement channels is not less than the threshold value, the first measurement channel is judged to be connected with the battery connected with the one of the second measurement channels.
7. The method of claim 1, further comprising:
providing a fifth voltage by the first power channel, and measuring a sixth voltage by the first measuring channel; and
and judging whether the first measurement channel and the first power channel are connected with one of the same batteries or not according to the difference value of the sixth voltage and the fifth voltage.
8. The method of claim 7, further comprising:
when the difference between the fifth voltage and the sixth voltage is greater than the threshold, it is determined that the first measurement channel and the first power channel are connected to two of the different batteries.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841570A2 (en) * | 1996-11-08 | 1998-05-13 | Ford Motor Company | Automatic detection of shorted loudspeakers in automotive audio systems |
| CN101253665A (en) * | 2005-06-17 | 2008-08-27 | 鲍尔林克斯公司 | Method for determining the type of connection of at least two electrical devices and system comprising several electric devices |
| CN103176098A (en) * | 2011-12-21 | 2013-06-26 | 株式会社甲进 | False connection detecting system for connector |
| CN105652144A (en) * | 2016-04-13 | 2016-06-08 | 深圳市国新动力科技有限公司 | Detection device and method of battery pack wire harness |
| CN105911417A (en) * | 2016-06-12 | 2016-08-31 | 山东神戎电子股份有限公司 | Testing device of testing on and off and correctness of cable and method thereof |
| CN105974263A (en) * | 2016-06-06 | 2016-09-28 | 珠海格力电器股份有限公司 | Motor wrong connection detection device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8552709B2 (en) * | 2004-02-18 | 2013-10-08 | Tasco Inc. | Systems and methods for locating a circuit |
-
2016
- 2016-12-28 CN CN201611238102.2A patent/CN108254651B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841570A2 (en) * | 1996-11-08 | 1998-05-13 | Ford Motor Company | Automatic detection of shorted loudspeakers in automotive audio systems |
| CN101253665A (en) * | 2005-06-17 | 2008-08-27 | 鲍尔林克斯公司 | Method for determining the type of connection of at least two electrical devices and system comprising several electric devices |
| CN103176098A (en) * | 2011-12-21 | 2013-06-26 | 株式会社甲进 | False connection detecting system for connector |
| CN105652144A (en) * | 2016-04-13 | 2016-06-08 | 深圳市国新动力科技有限公司 | Detection device and method of battery pack wire harness |
| CN105974263A (en) * | 2016-06-06 | 2016-09-28 | 珠海格力电器股份有限公司 | Motor wrong connection detection device and method |
| CN105911417A (en) * | 2016-06-12 | 2016-08-31 | 山东神戎电子股份有限公司 | Testing device of testing on and off and correctness of cable and method thereof |
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