CN105445604B - A kind of USB3.1 TYPE c-types cable automatic test approach - Google Patents
A kind of USB3.1 TYPE c-types cable automatic test approach Download PDFInfo
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- CN105445604B CN105445604B CN201510751837.4A CN201510751837A CN105445604B CN 105445604 B CN105445604 B CN 105445604B CN 201510751837 A CN201510751837 A CN 201510751837A CN 105445604 B CN105445604 B CN 105445604B
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- 238000012360 testing method Methods 0.000 title claims abstract description 125
- 238000013459 approach Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- G01R31/58—Testing of lines, cables or conductors
Abstract
The present invention provides a kind of USB3.1TYPE c-types cable automatic test approach, including step：S1：A survey tool is installed respectively at two ports of USB cable, and carries out initialization process；S2：Make i=1；S3：I-th of I/O port into the USB cable sends high/low level；S4：Detect whether IO lines corresponding to the I/O port and adjacent IO lines short circuit and are deposited test result into the corresponding register of the I/O port；S5：Detect the IO lines whether open circuit and test result is deposited into the register；S6：Judge whether i is equal to the sum of IO lines in the USB cable, if it is not, performing S7；Otherwise, terminate；S7：I=i+1, and return and perform step S3；Wherein, the USB cable includes IO lines described in i bars altogether, and i is the positive integer more than 0.The present invention reduces manually-operated error, improves testing efficiency and first-pass yield, and survey tool is controlled by PC, and test result can upload to PC, to facilitate the follow-up of quality of product.
Description
Technical field
The present invention relates to technical field of electric power communication, more particularly to a kind of USB3.1 TYPE-C molded line cable side of test automatically
Method.
Background technology
USB3.1 TYPE-C are a kind of more advanced high-speed communication cables, in current process of manufacture, mainly
It is that efficiency is low and fraction defective is up to more than 10% by the processing situation of people's craft p-wire cable.Meanwhile because USB3.1
TYPE-C cables support bidirectional power supply, a power supply control chip be present in cable, it is necessary to which the test equipment of specialty is completed to survey
Examination, because the influence of fraction defective is present, it is possible to cause USB3.1 TYPE-C test equipments and USB3.1 TYPE-C equipment
Damage.
In the production and processing overtravel of USB3.1 TYPE-C cables, it can be brought due to the operational error in welding process
Short circuit or even tin.In this case, if directly used, the damage of USB3.1 equipment will be caused, even in production line
On, it can also cause the damage of USB3.1TYPE-C cable rate test instruments.
Therefore it provides a kind of method of efficient test USB3.1 TYPE-C cables, turns into urgently to be resolved hurrily at present and asks
Topic.
The content of the invention
In view of the above problems, the application describes a kind of USB3.1 TYPE-C molded line cable automatic test approach, including step
Suddenly：
S1：A survey tool is installed respectively at two ports of USB cable, and carries out initialization process；
S2：Make i=1；
S3：I-th of I/O port into the USB cable sends high/low level；
S4：Detect whether IO lines corresponding to the I/O port and adjacent IO lines short circuit and are deposited test result to the IO
In register corresponding to mouthful；
S5：Detect the IO lines whether open circuit and test result is deposited into the register；
S6：Judge whether i is equal to the sum of IO lines in the USB cable, if it is not, performing S7；Otherwise, terminate；
S7：I=i+1, and return and perform step S3；
Wherein, the USB cable includes IO lines described in i bars altogether, and i is the positive integer more than 0.
If preferably, judging that short circuit problem is not present in the IO lines in step S4, step S5 is performed；Otherwise, step is performed
Rapid S7.
Preferably, carrying out the process of initialization process in step sl includes step：
The corresponding relation of internal register and all I/O ports is set；
The register is distributed according to the corresponding relation；
Initialize the I/O port；
Judge whether all I/O ports can be communicated with PC, the result that can be communicated or can not communicate is deposited to institute
The register corresponding to I/O port is stated, and is shown on LCD or is transferred in PC.
Preferably, also include step after initialization process is carried out：
S01：Judge whether the survey tool receives the interrupting information that the transmission of triggering button comes, if so, performing S2；It is no
Then, S02 is performed；
S02：The PC issues the triggering information of the trigger, performs S2.
Preferably, methods described also includes step：
S21：After the I/O port has passed through short circuit and out of circuit test, the power supply of the first port of the I/O port is opened
Pin, the first port is allowed to be powered to second port；
S22：Detect whether to power successfully, and test result is stored in register corresponding to the I/O port, if can, perform
S23, otherwise, perform S25；
S23：Close the power supply pin of the first port, and open the power supply pin of the second port with
The second port is allowed to be powered to the first port；
S24：Detect whether to power successfully, and test result is stored in the register corresponding to the I/O port；
S25：Stop power supply.
Preferably, when detecting whether to power successfully, whether detection non-power pin receives voltage, if can, test
As a result it is failure；Otherwise, step S23 or S25 are performed.
Preferably, also include step after step s25：
Judge whether that the upper electrical testing of all I/O ports for having passed through short circuit and out of circuit test is completed, if it is not, returning
Return step S21；Otherwise, terminate.
Preferably, in step s 4, signal is sent from the I/O port, whether the detection I/O port adjacent with the I/O port can be with
The signal is received, if can, the test result is successfully；Otherwise, the test result is failure.
Preferably, in step s 5, signal is sent from the I/O port, whether detect the I/O port that is connected with the I/O port can be with
The signal is received, if can, the test result is successfully；Otherwise, the test result is failure.
Preferably, the USB cable is USB3.1 TYPE-C cables.
Above-mentioned technical proposal has the following advantages that or beneficial effect：The present invention is the program by main control chip, by right
Main control chip programs, and every line of USB3.1 TYPE-C cables is all tested with the I/O port of chip, effectively to test out
USB3.1 TYPE-C cables detect with the presence or absence of adjacent legs short circuit, open circuit to its power supply state.Reduce artificial behaviour
The error of work, improve testing efficiency and first-pass yield.Meanwhile survey tool is controlled by PC, test result can upload
To PC, to facilitate the follow-up of quality of product.
Brief description of the drawings
With reference to appended accompanying drawing, more fully to describe embodiments of the invention.However, appended accompanying drawing be merely to illustrate and
Illustrate, and be not meant to limit the scope of the invention.
Fig. 1 is the flow chart one of continuity testing in a kind of USB3.1 TYPE-C molded line cable automatic test approach of the present invention；
Fig. 2 is the flowchart 2 of continuity testing in a kind of USB3.1 TYPE-C molded line cable automatic test approach of the present invention；
Fig. 3 is the flow chart initialized in a kind of USB3.1 TYPE-C molded line cable automatic test approach of the present invention；
Fig. 4 is the flow chart of upper electrical testing in a kind of USB3.1 TYPE-C molded line cable automatic test approach of the present invention；
Fig. 5 is a kind of overview flow chart of USB3.1 TYPE-C molded line cable automatic test approach of the present invention.
Embodiment
A kind of USB3.1 TYPE-C molded line cable automatic test approach of the present invention is entered with specific embodiment below in conjunction with the accompanying drawings
Row describes in detail.
As shown in figure 1, a kind of USB3.1 TYPE-C molded line cable automatic test approach, including step：
S1：A survey tool is installed respectively at two ports of USB cable, and carries out initialization process；
S2：Make i=1；
S3：I-th of I/O port into the USB cable sends high/low level；
S4：Detect whether IO lines corresponding to the I/O port and the IO lines that are connected short circuit and are deposited test result to deposit
Device；
S5：Detect the IO lines whether open circuit and test result is deposited to the register；
S6：Judge whether i is equal to the sum of IO lines in the USB cable, if it is not, performing S7；Otherwise, terminate；
S7：I=1+1, return and perform step S3.
Specifically, the USB cable includes i bar IO lines altogether, and i is the positive integer more than 0.Surveyed to USB cable
Before examination, first have to carry out initialization process to the USB cable, then since first IO line, sent to the IO lines high/low
Level, whether with the IO line that is connected short-circuit, while test result is deposited into register if detecting the IO lines.Whether short test
Lu Hou, then detect the IO lines whether open circuit and meanwhile test result is deposited into register.In this manner it is achieved that to described
All IO lines in USB cable are all detected, until all IO lines all detect completion.
It is worthy of note that in the present embodiment, each I/O port all correspond to a register.When to IO
When IO lines corresponding to mouthful are detected, the testing result of acquisition is deposited into the register corresponding to the IO lines.In simple terms, often
All storage has the testing result of IO lines corresponding thereto in one register.In addition, USB3.1 TYPE-C molded line cables are surveyed automatically
Method for testing can also include step：
As shown in Fig. 2 S1：One survey tool is installed respectively at the both ends of USB cable, the survey tool carried out initial
Change is handled；
S2：Make i=1；
S3：I-th of IO line into the USB cable sends high/low level；
S4：Detect whether the IO lines and the IO lines that are connected short circuit and are deposited test result to register, if so, performing
S7；Otherwise, S5 is performed；
S5：Detect the IO lines whether open circuit and test result is deposited to the register；
S6：Judge whether i is equal to the sum of IO lines in the USB cable, if it is not, performing S7；Otherwise, terminate；
S7：I=1+1, return and perform step S3.
In the above-mentioned methods, carried out each time IO lines short circuit or out of circuit test after, if the IO lines exist it is short
Road or the situation of short circuit, then just terminate entirely to test.
As shown in figure 3, carrying out the process of initialization process includes step：
S11：The corresponding relation of internal register and the I/O port is set；
S12：The register is distributed according to the corresponding relation；
S13：Initialize all I/O ports；
S14：Judge whether the I/O port can be communicated with PC；
S15：If can communicate, test result is deposited into the register corresponding to I/O port, and the test result is passed
It is handed on LCD and shows；
S16：If can not communicate, test result is deposited into the register corresponding to I/O port, and by the test result
It is transferred on PC.
Specifically, during initialization process, first have to set the one of internal register and the I/O port of USB cable
One corresponding relation, and register is distributed to I/O port according to the corresponding relation, reinitialize all I/O ports.Afterwards, it is necessary to USB
Each I/O port in cable carries out communication check, is exactly specifically to judge whether I/O port can be communicated with PC, and will be every
The test result of individual I/O port is deposited into register corresponding thereto.If being capable of proper communication, then test result is shown
Show on LCD；Otherwise, test result is transferred on PC.
In addition, as shown in figure 4, the USB3.1 TYPE-C molded line cables automatic test approach also includes step：
S21：After I/O port has passed through short circuit and out of circuit test, the power supply pipe of the first port of the I/O port is opened
Pin, first port is allowed to be powered to second port；Wherein, the first port and the second port are respectively positioned at the I/O port
Both ends；
S22：Detect whether to power successfully, and test result is stored in register corresponding to the I/O port, if can, perform
S23, otherwise, perform S25；
S23：The power supply pin of first port is closed, and opens the power supply pin of second port to allow the second end
Mouth is powered to first port；
S24：Detect whether to power successfully and test result is stored in register corresponding to the I/O port；
S25：Stop power supply；
S26：Judge whether that the upper electrical testing of all I/O ports for having passed through short circuit and out of circuit test is completed, if it is not, returning
Return step S21；Otherwise, terminate.
Specifically, if I/O port passed through short circuit and out of circuit test, that is, determine in the absence of it is short-circuit and breaking the problem of
Afterwards, it is also necessary to carry out electrical testing.In the test, first have to open the power supply pin of the first port of the I/O port,
First port is allowed to be powered to second port, if it is possible to power successfully, then close the power supply pin of first port, and open
The power supply pin of second port with allow second port to first port power.If the test that first powers on of I/O port passes through
, just need to do secondary upper electrical testing in turn, have failed if first powering on test, then avoid the need for carrying out
Secondary upper electrical testing is done in turn.In this process, tested each time and be required for depositing test result to I/O port pair
In the register answered.
As shown in figure 5, after initialization process is carried out, in addition to step：
S01：Judge whether the survey tool receives the end message that the transmission of triggering button comes, if so, performing S2；It is no
Then, S02 is performed；Wherein, triggering button is connected with the survey tool, to control whether the survey tool works；
S02：PC issues the trigger signal of trigger, then performs step S2.
It is worthy of note that the USB cable in the present embodiment is USB3.1 TYPE-C cables.By USB3.1 TYPE-C lines
This testing tool is inserted at the both ends of cable respectively, then presses Start buttons, proceeds by test.Survey tool is believed by interrupting
Number receive after Start buttons press, start to proceed by test in sequence.
Test is connective：To GND and the power lines of power supply, a pin transmission signal, checks what is be attached thereto therefrom
Whether pin can be normally received signal, if can be normally received, it is normal to prove connection.Method like this, then survey
Try the signal of next pin.If not receiving signal in corresponding port, it is problematic, test knot to prove this pin
Fruit is failure.Corresponding test result is write in register simultaneously.I.e. in step s 5, signal, inspection are sent from the I/O port
Survey whether the I/O port being connected with the I/O port can receive the signal, if can, the test result is successfully；Otherwise, institute
Test result is stated as failure.
Test the short circuit of adjacent leads：In same test port, a pin is first selected to send signal, it is then other
The all reception states of pin, detect whether that signal can be received, if can receive, test result is failure, otherwise
Test result is normal.Corresponding test result is write in register.I.e. in step s 4, signal is sent from the I/O port,
Whether the detection I/O port adjacent with the I/O port can receive the signal, if can, the test result is successfully；Otherwise,
The test result is failure.
Be powered test：In the case of first two all test normally, control signal pin, USB3.1 is given to test first port
Power pin power supply, then detected whether to receive voltage have then that test result is normal in USB3.1 tests second port, it is no
Then test result fails；Detect whether other non-power pin receive voltage simultaneously, have then test result failure, otherwise just survey
Test result fails.And by test result write corresponding in register.In test result register, as long as there is test crash
, corresponding test result will be put as failure.
As a result show or upload：After the completion of test, set according to register, test result read from register,
Show on the LCD display carried or test result information is uploaded into PC by serial ports.
The present invention is the program by main control chip, by being programmed to main control chip, with the I/O port of chip to USB3.1
Every line of TYPE-C cables is all tested, and whether there is adjacent legs effectively to test out USB3.1 TYPE-C cables
Short circuit, open circuit, and its power supply state is detected.Manually-operated error is reduced, improves testing efficiency and first-pass yield.Together
When, survey tool is controlled by PC, test result can upload to PC, to facilitate the follow-up of quality of product.
For a person skilled in the art, after reading described above, various changes and modifications undoubtedly will be evident.
Therefore, appended claims should regard whole variations and modifications of the true intention and scope that cover the present invention as.Weighing
Any and all scope and content of equal value, are all considered as still belonging to the intent and scope of the invention in the range of sharp claim.
Claims (8)
1. a kind of USB3.1TYPE-C molded line cable automatic test approach, it is characterised in that including step：
S1：A survey tool is installed respectively at two ports of USB cable, and carries out initialization process；
S2：Make i=1；
S3：I-th of I/O port into the USB cable sends high/low level；
S4：Detect whether IO lines corresponding to the I/O port and adjacent IO lines short circuit and are deposited test result to the I/O port pair
In the register answered；
S5：Detect the IO lines whether open circuit and test result is deposited into the register；
S6：Judge whether i is equal to the sum of IO lines in the USB cable, if it is not, performing S7；Otherwise, terminate；
S7：I=i+1, and return and perform step S3；
Wherein, the USB cable includes IO lines described in i bars altogether, and i is the positive integer more than 0；
The USB3.1TYPE-C molded line cable automatic test approach also includes step：
S21：After the I/O port has passed through short circuit and out of circuit test, the power supply pipe of the first port of the I/O port is opened
Pin, the first port is allowed to be powered to second port；
S22：Detect whether to power successfully, and test result is stored in register corresponding to the I/O port, if can, S23 is performed,
Otherwise, S25 is performed；
S23：The power supply pin of the first port is closed, and opens the power supply pin of the second port to allow
Second port is stated to power to the first port；
S24：Detect whether to power successfully, and test result is stored in the register corresponding to the I/O port；
S25：Stop power supply.
2. USB3.1TYPE-C molded line cable automatic test approach according to claim 1, it is characterised in that if step S4
It is middle to judge that short circuit problem is not present in the IO lines, perform step S5；Otherwise, step S7 is performed.
3. USB3.1TYPE-C molded line cable automatic test approach according to claim 1, it is characterised in that in step sl
Carrying out the process of initialization process includes step：
The corresponding relation of internal register and all I/O ports is set；
The register is distributed according to the corresponding relation；
Initialize the I/O port；
Judge whether all I/O ports can be communicated with PC, the result that can be communicated or can not communicate is deposited to the IO
The register corresponding to mouthful, and be shown on LCD or be transferred in PC.
4. USB3.1TYPE-C molded line cable automatic test approach according to claim 3, it is characterised in that carrying out initially
Also include step after change processing：
S01：Judge whether the survey tool receives the interrupting information that the transmission of triggering button comes, if so, performing S2；Otherwise,
Perform S02；
S02：The PC issues the triggering information of the trigger, performs S2.
5. USB3.1TYPE-C molded line cable automatic test approach according to claim 1, it is characterised in that detecting whether
When powering successfully, whether detection non-power pin receives voltage, if can, test result is failure；Otherwise, step is performed
S23 or S25.
6. USB3.1TYPE-C molded line cable automatic test approach according to claim 5, it is characterised in that in step S25
Also include step afterwards：
Judge whether that the upper electrical testing of all I/O ports for having passed through short circuit and out of circuit test is completed, if it is not, returning to step
Rapid S21；Otherwise, terminate.
7. USB3.1TYPE-C molded line cable automatic test approach according to claim 1, it is characterised in that in step S4
In, signal is sent from the I/O port, whether the detection I/O port adjacent with the I/O port can receive the signal, if can, institute
It is successfully to state test result；Otherwise, the test result is failure.
8. USB3.1TYPE-C molded line cable automatic test approach according to claim 7, it is characterised in that in step S5
In, signal is sent from the I/O port, detects whether the I/O port being connected with the I/O port can receive the signal, if can, institute
It is successfully to state test result；Otherwise, the test result is failure.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106154089B (en) * | 2016-08-19 | 2023-06-06 | 成都智朴思互联科技有限公司 | Portable intelligent charging quality testing system and method |
| CN108810701B (en) * | 2018-06-27 | 2019-12-03 | 维沃移动通信有限公司 | A kind of Type-C interface method for detecting abnormality and mobile terminal |
| CN111722149A (en) * | 2020-06-12 | 2020-09-29 | 浪潮电子信息产业股份有限公司 | Cable detection equipment, method and system and computer readable storage medium |
| CN113820628A (en) * | 2020-06-19 | 2021-12-21 | 神讯电脑(昆山)有限公司 | type-C interface detection device that opens circuit |
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