CN209560007U - A kind of testing lines system based on wireless technology - Google Patents

A kind of testing lines system based on wireless technology Download PDF

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Publication number
CN209560007U
CN209560007U CN201822063363.6U CN201822063363U CN209560007U CN 209560007 U CN209560007 U CN 209560007U CN 201822063363 U CN201822063363 U CN 201822063363U CN 209560007 U CN209560007 U CN 209560007U
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China
Prior art keywords
tester
sub
main
patchcord
cable
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CN201822063363.6U
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Chinese (zh)
Inventor
李凯
冯浩
青春
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AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
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AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
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Priority to CN201822063363.6U priority Critical patent/CN209560007U/en
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Abstract

The testing lines system based on wireless technology that the utility model discloses a kind of.Main side tester is passed through into the main side of patchcord and cable to be measured with two sub- end testers respectively and sub- end is attached.The wiring relationship of known cable to be measured is inputted by host computer, and main side tester is transferred to by WIFI, and main side tester is successively read wiring relationship, controls corresponding I/O mouthfuls of level, and notify sub- end tester by wireless radio frequency modules.The external pull-up resistor of the I/O mouth of sub- end tester, differentiates the connection status of corresponding core.Result is fed back to main side tester by wireless radio frequency modules by sub- end tester, and test result is transferred to host computer by wireless WIFI again, as a result shown in host computer by main side tester.Due to the application by Radio Transmission Technology, the utility model is not necessarily to carry out wiring forming circuit between cable both ends to be measured.

Description

A kind of testing lines system based on wireless technology
Technical field
The utility model relates to testing lines technical field, specifically a kind of testing lines system based on wireless technology System and method.
Background technique
Electric product, especially cable have a wide range of applications in aircraft, they are likely to occur due to quality problems Open circuit and misconnection state decisive role is played for aircraft total quality, so cable quality is stable for aircraft safety Run particularly significant, therefore the detection of cable part is essential work during aircraft general assembly.
When carrying out cable detection in aircraft, since length of cable is too long and the test space is more narrow, so current city Large-scale testing lines equipment on field is difficult to apply.It is traditional and after the unreliable connection phenomenon such as misconnection, open circuit occurs in cable The method tested after external test lead forming circuit not only will increase wiring cost but also test accuracy rate is difficult to ensure.
Currently, testing lines method in the market seldom have can input wires relationship and by wiring relationship carry out from The function of dynamic test, this had both increased cost of human resources and inefficiency in test process, can not adapt to testing lines certainly The demand of dynamicization.
Utility model content
Aiming at the defects existing in the prior art, the technical problem to be solved by the present invention is to provide one kind Testing lines system based on wireless technology.
The utility model technical solution used for the above purpose is: a kind of testing lines based on wireless technology System, for testing single port to the cable to be measured of multiport form, which is characterized in that including upper with wireless network card Machine, the main side tester with WIFI module and wireless radio frequency modules, the first patchcord, the second patchcord, third patchcord, Four patchcords, the with wireless radio frequency modules first sub- end tester and the second sub- end tester with wireless radio frequency modules;
The host computer and the main side tester are wirelessly connected by network signal;Two are stayed outside the main side tester Connector interface, two connector interfaces pass through the first patchcord respectively and are merged together with the second patchcord, and with to survey line Whole cores of cable main side are connected;The part core of the other end of the cable to be measured passes through described in third patchcord connection First sub- end tester, another part core connect the second sub- end tester by the 4th patchcord;Described first Sub- end tester and the second sub- end tester and the main side tester are wirelessly connected by radiofrequency signal.
The host computer is by being arranged the corresponding IP address of the main side tester and port numbers and the main side tester It is wirelessly connected.
The main side tester has STM32 main control chip.
The I/O mouth of the first sub- end tester and the second sub- end tester is circumscribed with pull-up resistor.
The first sub- end tester has MSP430 main control chip.
The second sub- end tester has MSP430 main control chip.
The utility model have the following advantages that and the utility model has the advantages that
1, the utility model is due to the application by Radio Transmission Technology, without carrying out wiring between cable both ends to be measured Forming circuit, thus can flexible Application work at cable both ends apart from longer region, effectively save high Wiring cost simultaneously improves the testing reliability in use process.
2, the utility model in use, only need to be by tester respectively with the main side of cable to be measured and sub- end by turning Wiring realize docking, then can in host computer input wires relationship, carry out test job, automation journey with higher Degree, substantially increases manpower effectiveness.
3, the utility model realizes the automatic test after input wires relationship, and using flexible, and test speed is fast, accuracy rate Height can effectively solve the above problems, and provide the automatic test scheme to multi-core cable.
4, the utility model small product size is small, easy to carry, can be suitble to more narrow space carry out using.
Detailed description of the invention
Fig. 1 is the system composite structural diagram of the utility model;
Fig. 2 is the test schematic of the utility model;
Fig. 3 is the flow chart of work methods of the utility model;
Fig. 4 is the host computer input wires relational graph in the utility model actual implementation;
Fig. 5 is the host computer test result figure under the on-state in the utility model actual implementation;
Fig. 6 is the host computer test result figure when it is disconnected in the utility model actual implementation.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, cable main side to be measured is connected by patchcord and two connector bodies of main side tester It connects, two sub- ends of cable to be measured is passed through into patchcord two companies with the first sub- end tester and the second sub- end tester respectively It connects device socket to be attached, wiring is according to shown in Fig. 2, c1 corresponds to d1 until c40 corresponds to d40.In an embodiment of the present invention, Cable under test single port can be 40 cores with core to multiport form;Host computer has the Windows7 system of wireless network card.It is main Tester is held to have STM32 main control chip, wireless WIFI module, wireless radio-frequency communication module;First sub- end tester and second Sub- end tester has MSP430 main control chip and wireless radio-frequency communication module;First patchcord, the second patchcord, third turn In wiring, the 4th patchcord, each patchcord can use 20 core of core.
The host computer and the main side tester are wirelessly connected by network signal;Two are stayed outside the main side tester Connector interface, two connector interfaces pass through the first patchcord respectively and are merged together with the second patchcord, and with to survey line Whole cores of cable main side are connected;The part core of the other end of the cable to be measured passes through described in third patchcord connection First sub- end tester, another part core connect the second sub- end tester by the 4th patchcord;Described first Sub- end tester and the second sub- end tester and the main side tester are wirelessly connected by radiofrequency signal.The host computer It is wirelessly connected by the way that the corresponding IP address of the main side tester and port numbers and the main side tester are arranged.The host computer For inputting the wiring relationship of cable main side to be measured core and sub- end line core by scheduled format and saving.The first sub- end is surveyed The I/O mouth of examination instrument and the second sub- end tester is circumscribed with pull-up resistor.
As shown in figure 3, the testing process of above system are as follows:
Step 1, the wiring relationship that the host computer is stored by wireless network card is sent to the main side tester;It Afterwards, the main side tester is set to high level for all I/O mouthfuls;
Step 2, the main side tester reads in first wiring relationship, and the I/O mouth that corresponding core is connected is reduced to Low level;
Step 3, the main side tester by the wiring relationship currently read in while being sent to institute by wireless radio frequency modules State the first sub- end tester and the second sub- end tester;
Step 4, the described first sub- end tester and the second sub- end tester are closed according to the wiring currently read in System, setting should be low level except this core, remaining core should be the decision rule of high level;
Step 5, the described first sub- end tester and the second sub- end tester are successively read the I/O mouth that core is connected Level, and be compared with the decision rule in step 4, when the level result of reading and decision rule difference, then determine institute Stating the wiring relationship currently read in, to correspond to core connection wrong or have a misconnection phenomenon;If read all level results with judgement Rule is identical, then determines that the correspondence core connection of the wiring relationship detection currently read in is errorless and existing without corresponding misconnection As;
Step 6, after the described first sub- end tester or the second sub- end tester, which have, determines result, by wirelessly penetrating Frequency module is sent to the main side tester;
Step 7, the main side tester will determine result by being sent to the host computer;
Step 8, next wiring relationship is read, and the I/O mouth that corresponding core is connected is reduced to low level, repeats step 3-7;
Step 9, step 8 is repeated, until whole wiring relation tests are completed;
Further include: all determine as the result is shown in the host computer, and saves.
The step 5 specifically: the first sub- end tester is related to corresponding to its connection according to first wiring The sequence of the last item wiring relationship reads the I/O mouth level that every core is connected respectively, and with the decision rule in step 4 It is compared, when the level result of reading and decision rule difference, then determines that the wiring relationship currently read in corresponds to line Core connection is wrong or has misconnection phenomenon, stops detection;If all level results read are identical as decision rule, the is notified Two sub- end testers are started to work;The second sub- end tester connects first corresponding wiring relationship to the end according to it The sequence of one wiring relationship reads the I/O mouth level that every core is connected respectively, and carries out with the decision rule in step 4 Compare, when the level result of reading and decision rule difference, then determines that the wiring relationship currently read in corresponds to core It connects wrong or has misconnection phenomenon, stop detection;If all level results read are identical as decision rule, described in judgement The correspondence core connection for the wiring relationship detection currently read in is errorless and without corresponding misconnection phenomenon.
In one embodiment of the invention, host computer runs software, the format input in host computer as needed are corresponding Wiring relationship and save, as shown in Figure 4;As shown in figure 5, with fixing tester corresponding IP in main side in upper computer software Location and port numbers realize shaking hands between wireless main side tester and host computer, and main side tester can be with host computer at this time It is communicated by WIFI;Wiring relationship is sent to main side tester by wireless network card by host computer;
Main side tester is by all I/O mouthfuls most high level;Main side tester reads in first wiring relationship, and will be corresponding Connect I/O mouthfuls of core most low level;Main side tester notifies the first sub- end tester and the second son by wireless radio frequency modules End tester is detected to connect I/O mouthfuls of the wiring state of core is corresponded in first wiring relationship;First sub- end tester After receiving corresponding data with the second sub- end tester, decision rule is determined and by corresponding sequence requirement to corresponding I/O mouthfuls of level It is read out that (the first sub- end tester terminates after level is read to notify that the second sub- end tester carries out by wireless radio frequency modules electric Flat read work).As shown in Fig. 2, since each I/O mouthfuls there are 1K pull-up resistor, so corresponding pin only passes through receiving the end A The result read in when the low level that cable core is sent just be it is low, receive high level or do not receive the level of main side tester A When, the I/O mouth level result of the reading of the first sub- end tester or the second sub- end tester is height, and setting removes this bar line accordingly Core, which should be remaining outer core of low level, should be the decision rule of high level.
In each judgement, if the level result that the first sub- end tester or the second sub- end tester are read is sentenced with described It establishes rules then inconsistent, then stops detecting, and the sub- end tester of inconsistent first or the second sub- end occur by discovery level result Tester will test result and be sent to main side tester, and test result is sent to upper by main side tester by wireless WIFI again Machine;
If the level result and the decision rule that the first sub- end tester and the second sub- end tester are read are consistent, Then stop detecting, and result will test by the second sub- end tester and be sent to main side tester, main side tester again ties test Fruit is sent to host computer by wireless WIFI;Next wiring relationship is read, above-mentioned steps are retransmitted;Whole cores are repeated up to survey Examination is completed.
At this point, whole test results are shown in host computer, and saved, if test is the correct core of connection, Host computer shows result as shown in figure 5, if test is the core of connection error, and host computer shows that result is as shown in Figure 6.
Through the above technical solution and embodiment, the test macro and method provided by the invention based on wireless transmission can It is widely used in the quality test field of cable on-off and misconnection, realizes the detection to associated cable wiring state.

Claims (6)

1. a kind of testing lines system based on wireless technology, for testing single port to the cable to be measured of multiport form, It is characterized in that, host computer, the main side tester with WIFI module and wireless radio frequency modules, first including having wireless network card Patchcord, the second patchcord, third patchcord, the 4th patchcord, the with wireless radio frequency modules first sub- end tester and band There is the second sub- end tester of wireless radio frequency modules;
The host computer and the main side tester are wirelessly connected by network signal;Two connections are stayed outside the main side tester Device interface, two connector interfaces pass through the first patchcord respectively and are merged together with the second patchcord, and with cable master to be measured Whole cores at end are connected;The part core of the other end of the cable to be measured passes through third patchcord connection described first Sub- end tester, another part core connect the second sub- end tester by the 4th patchcord;The first sub- end Tester and the second sub- end tester and the main side tester are wirelessly connected by radiofrequency signal.
2. a kind of testing lines system based on wireless technology according to claim 1, which is characterized in that the host computer It is wirelessly connected by the way that the corresponding IP address of the main side tester and port numbers and the main side tester are arranged.
3. a kind of testing lines system based on wireless technology according to claim 1, which is characterized in that the main side is surveyed It tries instrument and has STM32 main control chip.
4. a kind of testing lines system based on wireless technology according to claim 1, which is characterized in that first son The I/O mouth of end tester and the second sub- end tester is circumscribed with pull-up resistor.
5. a kind of testing lines system based on wireless technology according to claim 1, which is characterized in that first son Tester is held to have MSP430 main control chip.
6. a kind of testing lines system based on wireless technology according to claim 1, which is characterized in that second son Tester is held to have MSP430 main control chip.
CN201822063363.6U 2018-12-10 2018-12-10 A kind of testing lines system based on wireless technology Active CN209560007U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822063363.6U CN209560007U (en) 2018-12-10 2018-12-10 A kind of testing lines system based on wireless technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822063363.6U CN209560007U (en) 2018-12-10 2018-12-10 A kind of testing lines system based on wireless technology

Publications (1)

Publication Number Publication Date
CN209560007U true CN209560007U (en) 2019-10-29

Family

ID=68301486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822063363.6U Active CN209560007U (en) 2018-12-10 2018-12-10 A kind of testing lines system based on wireless technology

Country Status (1)

Country Link
CN (1) CN209560007U (en)

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