[go: up one dir, main page]

WO2019169957A1 - Procédé et dispositif de détection de performance de câbles haute-fréquence, et support de stockage lisible - Google Patents

Procédé et dispositif de détection de performance de câbles haute-fréquence, et support de stockage lisible Download PDF

Info

Publication number
WO2019169957A1
WO2019169957A1 PCT/CN2019/071881 CN2019071881W WO2019169957A1 WO 2019169957 A1 WO2019169957 A1 WO 2019169957A1 CN 2019071881 W CN2019071881 W CN 2019071881W WO 2019169957 A1 WO2019169957 A1 WO 2019169957A1
Authority
WO
WIPO (PCT)
Prior art keywords
performance
frequency cable
detected
detection
detecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/071881
Other languages
English (en)
Chinese (zh)
Inventor
佟国权
李剑波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth Digital Technology Co Ltd
Original Assignee
Shenzhen Skyworth Digital Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Skyworth Digital Technology Co Ltd filed Critical Shenzhen Skyworth Digital Technology Co Ltd
Publication of WO2019169957A1 publication Critical patent/WO2019169957A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/001Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing

Definitions

  • the present application relates to the field of data transmission technologies, and in particular, to a performance detection method for a high frequency cable, a performance detection device for a high frequency cable, and a computer readable storage medium.
  • EMC Electro Magnetic "Performance” means electromagnetic compatibility, which refers to the ability of a device or system to operate in its electromagnetic environment without causing unacceptable electromagnetic interference to any device in its environment.
  • the EMC performance of high-frequency signal cables has become a key factor in determining the EMC performance of products in many electronic devices. Therefore, it is necessary to detect the EMC performance of high-frequency cables.
  • a common method for detecting high-frequency signal cables is performed in a laboratory, such as a "radiation disturbance" test item (radiation disturbance test is one of EMC test items), which needs to be tested in an anechoic chamber.
  • the method of using the anechoic chamber test is to test the entire system, the test time is long, the site is limited, and the test equipment is expensive.
  • it is usually repeated sampling test, and all the high-frequency cables are not detected.
  • this test mode is not suitable for the ordinary quality management personnel to manage the daily quality of such high-frequency cables. .
  • the main purpose of the present application is to provide a performance detecting method for a high frequency cable, a performance detecting device for a high frequency cable, and a computer readable storage medium, aiming at solving the problem of how to quickly and easily perform the EMC performance of the high frequency cable.
  • the present application provides a method for detecting performance of a high frequency cable, and the method for monitoring performance of the high frequency cable includes the following steps:
  • the step of determining a location to be detected of the target high frequency cable further includes:
  • the parameter information of the input target high frequency cable is received and saved, wherein the parameter information includes at least a preset detection standard value and a number of positions to be detected.
  • the step of determining a location of the target high frequency cable to be detected includes:
  • the signal value of each position on the target high-frequency cable is detected, and a maximum value point of the signal value in one detection period is acquired, so that the position corresponding to the maximum value point is set as the position to be detected.
  • the step of detecting the to-be-detected location and comparing the obtained detection value with a preset detection standard value to obtain a comparison result includes:
  • the step of determining whether the performance of the target high frequency cable is qualified based on the comparison result comprises:
  • the step of determining the detection result of each to-be-detected location based on the comparison result corresponding to each of the to-be-detected locations respectively includes:
  • the step of determining whether the performance of the target high-frequency cable is qualified based on the detection result corresponding to each detection location comprises:
  • the method further includes:
  • the present application further provides a performance detecting apparatus for a high frequency cable
  • the performance detecting apparatus of the high frequency cable includes: a memory, a processor, and a memory stored in the memory and in the A performance detecting program running on the processor, the performance detecting program being executed by the processor to implement the steps of the performance detecting method of the high frequency cable as described above.
  • the present application further provides a computer readable storage medium having a performance detecting program stored thereon, and the performance detecting program is executed by a processor to achieve a high level as described above.
  • the steps of the performance test method of the frequency cable are described above.
  • a method for detecting performance of a high-frequency cable when detecting the performance of a target high-frequency cable, first determining a location to be detected on the target high-frequency cable, and then performing the location to be detected Corresponding detection, and then comparing the detected detection value with the preset standard value, and finally determining whether the performance of the target high-frequency cable is qualified based on the obtained comparison result.
  • the detection standard value corresponding to the target high-frequency cable After the detection is performed, the detected value is compared with the standard value, and the performance of the target high-frequency cable is finally determined by the magnitude relationship between the two, and
  • the same batch of high-frequency cables can be tested in the same way.
  • the EMC performance of the high-frequency cable is detected online, it can be detected by near-field detection, and the high-frequency line can be quickly batched. The EMC performance of the cable is tested online.
  • FIG. 1 is a schematic structural diagram of an apparatus of a hardware operating environment involved in an embodiment of the present application
  • FIG. 2 is a schematic flow chart of an embodiment of a method for detecting performance of a high-frequency cable according to the present application
  • FIG. 3 is a schematic diagram of a distribution of a to-be-detected position according to an embodiment of a method for detecting performance of a high-frequency cable according to the present application;
  • step S20 in FIG. 2 is a schematic diagram showing the refinement process of step S20 in FIG. 2;
  • FIG. 5 is a schematic diagram showing the refinement process of step S30 in FIG. 2;
  • FIG. 6 is a schematic diagram of a scenario of a method for detecting performance of a high-frequency cable according to a preferred embodiment of the present application
  • FIG. 7 is a schematic diagram of a scenario of another preferred embodiment of a method for detecting performance of a high frequency cable according to the present application.
  • FIG. 1 is a schematic structural diagram of a device in a hardware operating environment according to an embodiment of the present application.
  • the device in the embodiment of the present application may be a PC, or may be a device device having a display control function, such as a tablet computer or a portable computer.
  • the apparatus can include a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, and a communication bus 1002.
  • the communication bus 1002 is used to implement connection communication between these components.
  • the user interface 1003 can include a display, an input unit such as a keyboard, and the optional user interface 1003 can also include a standard wired interface, a wireless interface.
  • the network interface 1004 can optionally include a standard wired interface, a wireless interface (such as a WI-FI interface).
  • the memory 1005 may be a high speed RAM memory or a stable memory (non-volatile) Memory), such as disk storage.
  • the memory 1005 can also optionally be a storage device independent of the aforementioned processor 1001.
  • FIG. 1 does not constitute a limitation to the device, and may include more or less components than those illustrated, or some components may be combined, or different component arrangements.
  • an operating system may be included in the memory 1005 as a computer storage medium.
  • a network communication module may be included in the memory 1005 as a computer storage medium.
  • a user interface module may be included in the memory 1005 as a computer storage medium.
  • a performance detection program may be included in the memory 1005 as a computer storage medium.
  • the network interface 1004 is mainly used to connect to a background server for data communication with a background server;
  • the user interface 1003 is mainly used for connecting a client (user end) to perform data communication with the client;
  • the processor 1001 can be used to call the performance test stored in the memory 1005 and perform the following operations:
  • processor 1001 can call the performance detection program stored in the memory 1005, and also perform the following operations:
  • the parameter information of the input target high frequency cable is received and saved, wherein the parameter information includes at least a preset detection standard value and a number of positions to be detected.
  • processor 1001 can call the performance detection program stored in the memory 1005, and also perform the following operations:
  • the signal value of each position on the target high-frequency cable is detected, and a maximum value point of the signal value in one detection period is acquired, so that the position corresponding to the maximum value point is set as the position to be detected.
  • processor 1001 can call the performance detection program stored in the memory 1005, and also perform the following operations:
  • processor 1001 can call the performance detection program stored in the memory 1005, and also perform the following operations:
  • processor 1001 can call the performance detection program stored in the memory 1005, and also perform the following operations:
  • processor 1001 can call the performance detection program stored in the memory 1005, and also perform the following operations:
  • processor 1001 can call the performance detection program stored in the memory 1005, and also perform the following operations:
  • the method for detecting performance of the high-frequency cable includes:
  • Step S10 determining a location to be detected of the target high frequency cable.
  • EMC Electro Magnetic "Performance” means electromagnetic compatibility, which refers to the ability of a device or system to operate in its electromagnetic environment without causing unacceptable electromagnetic interference to any device in its environment.
  • EMC includes two requirements: on the one hand, the electromagnetic interference generated by the device in the normal operation process cannot exceed a certain limit; on the other hand, the device has electromagnetic interference existing in the environment. A certain degree of immunity, ie electromagnetic sensitivity.
  • the International Electrotechnical Commission standard IEC defines electromagnetic compatibility as: the system or device can work normally in the electromagnetic environment in which it is located, while not causing interference to other systems and devices.
  • the high-frequency cable transmits high-speed digital signals between the devices, and also needs to ensure that it can work normally and stably, and further needs to detect the performance.
  • the high-frequency cable mentioned in this embodiment may be an HDMI cable, and may also be various high-frequency cables such as USB, LVDS, DVI, DISPLAY, and coaxial cable.
  • the target high-frequency cable when detecting, it is first necessary to determine the location to be detected on the target high-frequency cable, and then perform corresponding detection.
  • the high-frequency cable obviously exhibits its EMC performance only when it is connected to the load device and performs high-speed digital signal transmission. Therefore, when detecting the target high-frequency cable, it is first necessary to utilize The target high frequency cable enables high speed digital signal transmission.
  • the position to be detected on the target cable is first required to perform the corresponding detection. It should be noted that, for a high-frequency cable, the corresponding position to be detected may be one, or there may be more, depending on actual application requirements.
  • Step S20 detecting the position to be detected, and comparing the obtained detection value with a preset standard value to obtain a comparison result.
  • the detected position is correspondingly detected to obtain a detection value corresponding to the position to be detected, and finally the obtained detection value and the preset standard value are obtained. Compare them to get a comparison.
  • the detection probe of the control detection device is fixed at the position to be detected, and then detected to be based on the obtained detection value.
  • the detection device pre-stores the detection standard value, and when the corresponding detection value is detected, compares the detection value with a preset standard value, specifically, compares the size to determine the detection value and the standard value obtained by the detection. The size relationship between the two, and then according to the obtained size relationship between the two to determine whether the target high-frequency cable performance is qualified.
  • the signal output device is connected to the load device.
  • the detecting probe active connection (movable connection) provided on the detecting device is on the high-frequency cable connected to the signal output device and the load device, and the corresponding position can be used to determine the position to be detected on the high-frequency cable
  • the specific position when determining the position to be detected, the movement detection is performed by controlling the detection probe fixedly connected to the high-frequency cable on the detection device to determine the specific position of the position to be detected, and at the same time, when there are multiple positions to be detected
  • the detecting probe of the control detecting device moves on the target high-frequency cable.
  • the detecting probe of the detecting detecting device moves to the next position to be detected for detection, and so on until the pair All the positions to be tested are tested.
  • Step S30 determining performance of the target high frequency cable based on the comparison result.
  • the performance of the target high-frequency cable is determined according to the obtained comparison result, wherein the performance is mainly classified into qualified and unqualified. Specifically, when comparing, the detected value is compared with a preset standard value, and only one of the positions to be detected on the target cable is taken as an example. When the detected value is less than or equal to the standard value, It is determined that the performance of the target high-frequency cable is qualified; when the detected value is greater than the standard value, it is determined that the performance of the target high-frequency cable is unqualified.
  • whether the performance of the high-frequency cable is qualified is determined by an absolute size relationship, but in the actual production and detection process, if the error exists, the current detection value is greater than Standard value, but the difference between the two is very small, almost within the error range, it may be a qualified cable. Similarly, if the current detection value is laughed at the standard value, the difference between the two is very small. At this time, the corresponding cable may also be an unqualified cable. However, in the actual production and testing process, since it is not absolutely guaranteed that there will be no external factors, in the actual detection process, the occurrence of errors is unavoidable. In this embodiment, the absolute use is optional. The size judgment method determines whether the performance of the high-frequency cable is qualified.
  • the method may further include:
  • Step a based on the performance of the target high-frequency cable, issue corresponding prompt information, and save performance test results of the target high-frequency cable.
  • the high frequency cable of the same batch needs to ensure that all the data information such as the length and the parameter specification are consistent, that is, the high frequency cable produced in the same manner, and the length must also be maintained. Consistent.
  • the corresponding feedback prompt information may be sent according to the detected determination, and the performance detection result of the target high-frequency cable is saved, wherein the performance detection result at least includes each The detected value of the position to be detected, the comparison result of the detected values of each position to be detected, and the performance of the target high-frequency cable are qualified.
  • the corresponding prompt information or prompt tone representing the failure may be issued, or the detection result may be displayed on the display interface of the detecting end (detecting device). .
  • the target high-frequency cable when detecting the performance of the target high-frequency cable, first determine the location to be detected on the target high-frequency cable, and then perform corresponding detection on the location to be detected, and then detect the detected detection. The value is compared with a preset standard value, and finally the performance of the target high-frequency cable is determined based on the obtained comparison result.
  • the detection standard value corresponding to the target high-frequency cable After the detection is performed, the detected value is compared with the standard value, and the performance of the target high-frequency cable is finally determined by the magnitude relationship between the two, and The same batch of high-frequency cables can be tested in the same way.
  • the EMC performance of the high-frequency cable is detected online, it can be detected by near-field detection, and the high-frequency line can be quickly batched. The EMC performance of the cable is tested online.
  • step S10 determining a location to be detected of the target high frequency cable, before:
  • Step b Receive and save parameter information of the input target high frequency cable, wherein the parameter information includes at least a preset standard value and a number of positions to be detected.
  • the parameter information corresponding to the input target high-frequency cable is received and saved, wherein the parameter information includes at least a preset detection standard value and a number of positions to be detected.
  • the corresponding detection standard values are consistent, in order to make the detection standard value more accurate, usually by randomly selecting a number of The high frequency cable is tested using a conventional far field test (anechoic chamber test) to determine the corresponding test standard value.
  • the number of positions to be detected on the high-frequency cable is also determined at the time of standard determination, and the number of required positions to be detected is determined mainly according to actual needs.
  • step b in this embodiment has no connection with “step a” in the foregoing embodiment, and is only used for naming different steps.
  • step S10 includes:
  • the signal value of each position on the target high-frequency cable is detected, and a maximum value point of the signal value in one detection period is acquired, so that the position corresponding to the maximum value point is set as the position to be detected.
  • the determination of the position to be detected has different determination manners.
  • the position to be detected can be determined by the spectrum analyzer, wherein the specific position is determined by the method of peak detection, mainly because the display on the spectrum analyzer can be accurately and quickly determined.
  • the position of the peak/valley of the waveform that is, the position of the extreme point, and for other positions than the peak/valley, although the corresponding signal value can be well obtained, it is very troublesome to determine the actual position.
  • the signal value of each position on the target high-frequency cable is detected, and then the place with the highest signal value is selected as the position to be detected, wherein the position to be detected is It is not the place in the real position, specifically refers to the highest point of the signal. In the actual transmission process, there is more than one place with the highest signal. Only one position needs to be selected as the position to be detected. For details, refer to Figure 4. As shown in FIG. 4, when a high-frequency cable of a certain length is used for high-speed digital signal transmission, there are multiple signals having the highest value of a certain transmission waveform. For example, the highest signal position is A1, A2, A3, and A4.
  • the position that is, the four positions can be used as the position to be detected. Since the detection results of the respective positions are substantially similar, only one of the positions needs to be selected as the position to be detected, and at the same time, when determining the position to be detected, it is determined.
  • the detection standard value of the position to be detected specifically the detection standard value may be an electrical signal value at a "peak" position, wherein the electrical signal value may be electrical
  • the pressure signal value or the current signal value depends on the characteristic nature of the load device. When the load device needs to output a voltage signal, the set detection standard value will be the voltage signal value; when the load device needs to output the current signal When set, the detection standard value will be the current signal value.
  • the spectrum analyzer multiple detections are different types of detected waveforms.
  • the corresponding positions to be detected are B1, B2, B3, and B4, and C1, C2, C3, C4, C5, C6, C7, and C8, respectively.
  • B1, B2, B3, B4 belong to the position to be detected of the first type of waveform
  • C1, C2, C3, C4, C5, C6, C7, C8 are the positions to be detected of the second type of waveform, usually, different types
  • the position of the "peak” of the harmonics is different, and the corresponding position on the high-frequency cable is also different. It should be pointed out that in the actual detection process, it is only necessary to select one of the "peak” points on the high-frequency cable as the detection position of the belt, and does not need to be all on the same type of harmonics. The "peak" position is detected.
  • FIG. 6 is a schematic diagram of the refinement process of step S20 in FIG.
  • Step S201 Perform detection on each to-be-detected location to obtain a corresponding detection value
  • step S202 a preset detection standard value group is obtained, and a size between the detection values and the corresponding detection standard value is determined to obtain a comparison result corresponding to each of the to-be-detected positions.
  • the detected location when the location to be detected on the target high-frequency cable is determined, the detected location may be detected, and then the detected detection value is compared with the corresponding detection standard value in the preset detection standard value group. Compare to determine the size relationship between the two. Specifically, when detecting, by detecting an electrical signal value (voltage signal value or current signal value) of the position to be detected, and then comparing the detected electrical signal value with a corresponding standard electrical signal value (detection standard value), Wherein, the value of the detected electrical signal value is a voltage signal value.
  • the standard voltage value (detection standard value) is V0, and during the comparison process, between V1 and V0.
  • V1 the current voltage value obtained by the detection
  • V0 the standard voltage value
  • the number of the to-be-detected positions to be detected may be multiple during the actual detection process, when determining whether the EMC performance of the target high-frequency cable is qualified, it is necessary to comprehensively determine according to the detection results of all the positions to be detected. Ground, it is necessary to determine that the EMC performance of the detected high-frequency cable is acceptable when the test results of all the positions to be tested are all qualified.
  • FIG. 7 is a schematic diagram of the refinement process of step S30 in FIG.
  • Step S301 Determine a detection result of each to-be-detected location based on a comparison result corresponding to each of the to-be-detected locations.
  • Step S302 Determine, according to the detection result corresponding to each to-be-detected location, whether the performance of the target high-frequency cable is qualified.
  • the detection values of the positions to be detected are obtained by the detection, and the comparison results between the detection values corresponding to the positions to be detected and the corresponding standard detection values are determined by comparison, and then according to the positions to be detected.
  • the corresponding detection results respectively determine whether the EMC performance of the target high-frequency cable is qualified. Specifically, in the performance detection of the high-frequency cable, it is necessary to ensure that all signals can be normally transmitted. When determining the detection result of each position to be detected, the obtained detection result is different due to the type of the detected harmonics. It is not necessarily the same, that is, the detection result of the position to be detected is acceptable, and the detection result of the position to be detected is unqualified. However, in the actual performance judgment, all the detection results of the position to be detected are required. qualified.
  • the detected electrical signal value is compared with the corresponding standard electrical signal value (detection standard value), and the detected electric power corresponding to the detected position is corresponding.
  • the detection result of the to-be-detected position is determined to be qualified.
  • the detection result of the to-be-detected position is determined to be Not qualified.
  • the performance detection of the target high-frequency cable it is only necessary to compare the monitored detection value with the detection standard value to determine whether it is qualified, and it is determined according to the relationship between the two, but for the performance detection of the target high-frequency cable, It is determined according to the detection results of all the positions to be detected, and the specific determination manner is: when the detection results of all the positions to be detected are all qualified, the EMC performance of the target cable is qualified; when there is detection in all the positions to be detected When the result is unqualified, the EMC performance of the target cable is unqualified. That is, the performance of the high-frequency cable is qualified only when the detection results of all the positions to be detected are all qualified.
  • the performance judgment of the high-frequency cable is only judged whether it is qualified, but in the actual use of the high-frequency cable, different performances (the performance referred to herein is not only Only the high-frequency cable that is qualified or not, and the high-frequency cable that is qualified for the unqualified high-frequency cable is different. Therefore, in the detection, in addition to judging the high-frequency cable.
  • the high-frequency cable can be graded, that is, the performance of the high-frequency cable is not only qualified, but also the level of performance. The following is an example of only one location to be detected. Description, wherein the detected value is represented by V1, and the detected standard value is represented by V0, and the specific division can be as shown in Table 1:
  • the difference calculation is optionally performed to obtain the calculation result, as shown in Table 1.
  • Table 1 It is shown that there are different level information for different calculation results, and the specific level information includes: T3 is excellent, T2 is good, T1 is qualified, T0 is medium, T4 is unqualified, and T5 is abnormal, due to high frequency.
  • T3 is excellent
  • T2 is good
  • T1 is qualified
  • T0 is medium
  • T4 is unqualified
  • T5 abnormal, due to high frequency.
  • the standard of the division is set according to the specific error, and the manner of dividing the level in Table 1 is only for illustration, not for the division. Specific restrictions. Similarly, the grades can be divided according to the specific use mode and requirements of the high-frequency cable.
  • the signal output device and the load device in the performance testing process of the actual high-frequency cable, establish a signal transmission connection through the high-frequency cable, and the detecting device passes the setting.
  • the detection probe detects the performance of the high frequency cable.
  • the detecting probe is movably placed on the high frequency cable, and by controlling the movement of the monitoring probe, it is determined where the specific position of the position to be detected is.
  • the "peak detection method” is preferably used (that is, by detecting the strength of the electrical signal at the peak - the voltage signal) Or the magnitude of the current signal) to determine the performance of the detected high-frequency cable.
  • the detected high-frequency cable needs to determine the performance of the detected high-frequency cable according to the detection results of various types of transmission waveforms, it is assumed that it is currently required to perform detection using two different transmission waveforms. It is determined that the position distribution of the position to be detected on the high-frequency cable detected at this time is as shown in FIG. 5 .
  • the positions to be detected are classified into two types, and the positions to be detected are B1, B2, and B3.
  • B4 another type of position to be detected is C1, C2, C3, C4, C5, C6, C7, C8.
  • the detection probe When detecting based on the first type of transmission waveform, by moving the position of the detection probe, the detection probe moves to When any one of B1, B2, B3, and B4 is used, the detection can be completed as the position to be detected, and when it is required to detect based on the second type of transmission waveform, the position of the detection probe is also moved by moving to C1. When any one of C2, C3, C4, C5, C6, C7, and C8 is used, the detection can be completed as the position to be detected. Further, when the determination of the best performance is performed, the judgment is made based on the two types of detection results.
  • the detection is completed by moving the detection probe a plurality of times.
  • the movement of the detecting probe may be manually controlled by a mechanical device, or the control of the mechanical device may be realized by using a control program, and the movement of the detecting probe position is completed, and the specific control manner is not limited.
  • the application also provides a performance detecting device for a high frequency cable.
  • the performance detecting apparatus of the high frequency cable provided by the present application includes: a memory, a processor, and a performance detecting program stored on the memory and operable on the processor, wherein the performance detecting program is used by the processor.
  • the steps of the performance detecting method of the high frequency cable as described above are implemented at the time of execution.
  • the application also provides a performance detection system for a high frequency cable.
  • the performance detecting system of the high frequency cable provided by the present application comprises: a signal output device, a load device, a detecting device and a detecting probe, wherein the detecting device is provided with a detecting probe, and the signal output device and the load device are established by the target high frequency cable.
  • the signal transmission connection, the detection probe is movably connected to the target high frequency cable.
  • the detecting device moves to the to-be-detected position of the target high-frequency cable by detecting the detecting probe, and detects the detected position to determine whether the performance of the target high-frequency cable is qualified.
  • For the specific operation process refer to the performance detecting method of the high-frequency cable of the present application. Various embodiments are not described herein again.
  • the embodiment of the present application further provides a computer readable storage medium.
  • a performance detecting program is stored on the computer readable storage medium of the present application, and the performance detecting program is executed by the processor to implement the steps of the performance detecting method of the high frequency cable as described above.
  • the technical solution of the present application which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM as described above). , a disk, an optical disk, including a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in the various embodiments of the present application.
  • a terminal device which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

L'invention concerne un procédé de détection de la performance de câbles haute-fréquence, comprenant les étapes suivantes consistant à : déterminer un emplacement à détecter d'un câble haute-fréquence cible (S10) ; détecter l'emplacement à détecter, et comparer une valeur de détection obtenue à une valeur standard de détection prédéfinie de façon à obtenir un résultat de comparaison (S20) ; sur la base du résultat de comparaison, déterminer si la performance du câble haute-fréquence cible va jusqu'à la norme (S30). Le procédé de détection de la performance de câbles haute-fréquence permet de détecter la performance de câbles haute-fréquence au moyen d'un procédé de détection en ligne en champ proche pendant la détection de la performance CEM des câbles haute-fréquence, et peut détecter rapidement les câbles haute-fréquence en lots, ce qui permet de réaliser la détection par lots de câbles haute-fréquence sur une ligne de production en termes de performance CEM.
PCT/CN2019/071881 2018-03-06 2019-01-16 Procédé et dispositif de détection de performance de câbles haute-fréquence, et support de stockage lisible Ceased WO2019169957A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810183819.4A CN108414860B (zh) 2018-03-06 2018-03-06 高频线缆的性能检测方法、装置以及可读存储介质
CN201810183819.4 2018-03-06

Publications (1)

Publication Number Publication Date
WO2019169957A1 true WO2019169957A1 (fr) 2019-09-12

Family

ID=63129966

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/071881 Ceased WO2019169957A1 (fr) 2018-03-06 2019-01-16 Procédé et dispositif de détection de performance de câbles haute-fréquence, et support de stockage lisible

Country Status (2)

Country Link
CN (1) CN108414860B (fr)
WO (1) WO2019169957A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108414860B (zh) * 2018-03-06 2021-02-23 深圳创维数字技术有限公司 高频线缆的性能检测方法、装置以及可读存储介质
CN109507488B (zh) * 2019-01-21 2021-10-01 武汉裕量信息科技有限公司 电磁抗干扰性能测试系统
CN113341242A (zh) * 2021-04-25 2021-09-03 徐州大工电子科技有限公司 一种功率转换器的故障监测方法及装置
CN116760434B (zh) * 2023-06-15 2024-01-26 深圳市泰士特线缆有限公司 通信线缆的智能检测方法、装置、设备及介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101452033A (zh) * 2009-01-08 2009-06-10 福建星网锐捷网络有限公司 一种线缆共模信号的电磁兼容测试探头和测试设备
JP2011080896A (ja) * 2009-10-08 2011-04-21 Ntt Infranet Co Ltd ケーブル検出方法
CN102721909A (zh) * 2012-07-03 2012-10-10 广州供电局有限公司 电缆本体特高频辐射特性仿真方法和系统
CN106772178A (zh) * 2016-12-12 2017-05-31 国网北京市电力公司 高频电流局部放电带电检测装置的校验设备、方法及装置
CN206930736U (zh) * 2016-12-31 2018-01-26 国网浙江省电力公司舟山供电公司 一种用于高压电缆多参量检测装置
CN108414860A (zh) * 2018-03-06 2018-08-17 深圳创维数字技术有限公司 高频线缆的性能检测方法、装置以及可读存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112013012247B1 (pt) * 2010-11-17 2019-11-19 Siemens Ag método para determinar uma falha de fase em dispositivo elétrico e dispositivo elétrico
CN102262201B (zh) * 2011-07-15 2016-06-15 北京水木源华电气有限公司 架空配电线路的故障检测方法和系统
CN102891702B (zh) * 2012-10-15 2015-04-08 华为技术有限公司 一种诊断线缆的方法及装置
CN205986862U (zh) * 2016-09-22 2017-02-22 成都长城开发科技有限公司 电力线载波通信测试的装置
CN107015119B (zh) * 2017-05-12 2019-05-07 中广核核电运营有限公司 一种信号电缆线路故障诊断装置及方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101452033A (zh) * 2009-01-08 2009-06-10 福建星网锐捷网络有限公司 一种线缆共模信号的电磁兼容测试探头和测试设备
JP2011080896A (ja) * 2009-10-08 2011-04-21 Ntt Infranet Co Ltd ケーブル検出方法
CN102721909A (zh) * 2012-07-03 2012-10-10 广州供电局有限公司 电缆本体特高频辐射特性仿真方法和系统
CN106772178A (zh) * 2016-12-12 2017-05-31 国网北京市电力公司 高频电流局部放电带电检测装置的校验设备、方法及装置
CN206930736U (zh) * 2016-12-31 2018-01-26 国网浙江省电力公司舟山供电公司 一种用于高压电缆多参量检测装置
CN108414860A (zh) * 2018-03-06 2018-08-17 深圳创维数字技术有限公司 高频线缆的性能检测方法、装置以及可读存储介质

Also Published As

Publication number Publication date
CN108414860A (zh) 2018-08-17
CN108414860B (zh) 2021-02-23

Similar Documents

Publication Publication Date Title
WO2019169957A1 (fr) Procédé et dispositif de détection de performance de câbles haute-fréquence, et support de stockage lisible
WO2020119369A1 (fr) Procédé, appareil et dispositif de positionnement de défaut de fonctionnement et de maintenance informatique intelligent, et support de stockage lisible
WO2022114871A1 (fr) Dispositif de diagnostic de batterie, procédé de diagnostic de batterie, bloc-batterie et véhicule
WO2014204179A1 (fr) Procédé de vérification de mauvais motif dans des données de détection série dans le temps et son appareil
WO2019182246A1 (fr) Système de détection de décharge partielle
WO2020048047A1 (fr) Procédé d'avertissement de défaut de système, appareil, et dispositif, et support d'informations
WO2013015556A2 (fr) Procédé de détection d'une anomalie d'un appareillage de commutation à fonction d'autodiagnostic
WO2021201369A1 (fr) Système de prédiction d'apparition d'incendie et procédé associé
WO2021101069A1 (fr) Appareil et procédé pour tester un dispositif à semi-conducteur à l'aide d'un modèle d'apprentissage automatique
WO2020062616A1 (fr) Procédé et appareil de régulation de valeur gamma de panneau d'affichage, et dispositif d'affichage associé
WO2023085616A1 (fr) Dispositif de surveillance d'isolation et procédé de commande de dispositif de surveillance d'isolation
WO2021118062A1 (fr) Appareil et procédé de surveillance de module de cellule solaire
WO2020062615A1 (fr) Appareil et procédé de réglage de valeur gamma destiné à un panneau d'affichage, et dispositif d'affichage
WO2019190049A1 (fr) Système de gestion de disjoncteur dans un tableau de distribution
WO2021042565A1 (fr) Système et procédé de charge rapide pour dispositif portable et dispositif portable
WO2020013619A1 (fr) Procédé et appareil de gestion d'actifs de sous-station sur la base d'un indice de fiabilité de système d'alimentation
WO2019182247A1 (fr) Appareil d'affichage et procédé de commande d'appareil d'affichage
WO2019221362A1 (fr) Relais à auto-alimentation et procédé de prévention des dysfonctionnements de celui-ci
WO2015093645A1 (fr) Dispositif de stockage de données d'une installation d'alimentation électrique et système qui en est équipé
WO2020135022A1 (fr) Procédé et dispositif d'optimisation d'image de panneau d'affichage et support d'informations lisible par ordinateur
WO2019041319A1 (fr) Procédé, appareil terminal, système et support de stockage de test de fonction wifi
WO2020056952A1 (fr) Procédé de commande de panneau d'affichage, panneau d'affichage et support de stockage
WO2020135051A1 (fr) Dispositif et procédé d'optimisation d'image destinés à un panneau d'affichage, et support d'informations lisible par ordinateur
WO2018182304A1 (fr) Procédé de mesure radio en trois dimensions permettant d'extraire des composantes de paramètres de propagation d'ondes radio, et dispositif associé
WO2012030015A1 (fr) Système pour la détection d'un point de défaillance d'un câble supraconducteur et procédé associé

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19763967

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19763967

Country of ref document: EP

Kind code of ref document: A1