CN113179398A - Computer-based soft flat cable safety analysis system for mobile phone camera module - Google Patents
Computer-based soft flat cable safety analysis system for mobile phone camera module Download PDFInfo
- Publication number
- CN113179398A CN113179398A CN202110374341.5A CN202110374341A CN113179398A CN 113179398 A CN113179398 A CN 113179398A CN 202110374341 A CN202110374341 A CN 202110374341A CN 113179398 A CN113179398 A CN 113179398A
- Authority
- CN
- China
- Prior art keywords
- value
- flat cable
- flexible flat
- abnormal
- safety
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a computer-based soft flat cable safety analysis system for a mobile phone camera module, which belongs to the field of mobile phone camera modules, relates to a soft flat cable safety analysis technology and is used for solving the problems that the soft flat cable for the mobile phone camera module cannot be effectively and safely analyzed and cannot be used for mastering the using state of the soft flat cable in real time; the fault influence module is used for analyzing fault influence on the flexible flat cable, and the safety analysis module is used for analyzing safety of the flexible flat cable after receiving the safety analysis signal.
Description
Technical Field
The invention belongs to the field of mobile phone camera modules, relates to a flexible flat cable safety analysis technology, and particularly relates to a computer-based flexible flat cable safety analysis system for a mobile phone camera module.
Background
The mobile phone camera module consists of a lens, an optical filter, a voice coil motor, a photosensitive chip and an integrated circuit, wherein the lens is used for collecting light and then imaging an object on the surface of the photosensitive chip, the photosensitive chip is used for converting an optical signal sent by an upper lens on the surface into an electric signal, the voice coil motor is used for focusing, and the optical filter is used for filtering redundant infrared light and ultraviolet light;
the performance of the mobile phone camera module can be assembled and applied after being tested, a manufacturer can connect and conduct the micro needle module with a high-current elastic sheet with a stable connection function and a long service life, the mobile phone camera module is ensured to be tested smoothly, and the test efficiency of a mobile phone camera can be improved.
However, in the prior art, the flexible flat cable for the mobile phone camera module cannot be effectively and safely analyzed, and the using state of the flexible flat cable cannot be known and mastered in real time, so a computer-based system for safely analyzing the flexible flat cable for the mobile phone camera module is provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a computer-based flexible flat cable safety analysis system for a mobile phone camera module.
The technical problem to be solved by the invention is as follows:
(1) the problem of how to effectively and safely analyze the flexible flat cable for the mobile phone camera module;
(2) how to know and master the use state of the flexible flat cable in real time.
The purpose of the invention can be realized by the following technical scheme:
a computer-based soft flat cable safety analysis system for a mobile phone camera module comprises a registration login module, a data connection module, a fault influence module, a data acquisition module, a storage module, a safety analysis module and a server;
the data acquisition module sends a plurality of temperature information WDAiu, a plurality of running states and failure times GZAi of the flexible flat cable to a server; the server compares a plurality of pieces of received temperature information, a plurality of pieces of received real-time current information and a plurality of pieces of received real-time voltage information of the flexible flat cable with corresponding safety value intervals one by one, and the flexible flat cable is classified into a normal set in the safety value intervals and classified into an abnormal set in the safety value intervals;
classifying and dividing each soft flat cable group in the abnormal set according to the serial number of the soft flat cables, adding and averaging after classifying and dividing to obtain an abnormal average value of the corresponding soft flat cables, and sending the abnormal average value of the soft flat cables to a fault influence module;
the fault influence module receives an abnormal mean value of the flexible flat cable sent by the server; the fault influence module is used for analyzing the fault influence of the flexible flat cable; the storage module stores a fault disturbing threshold of the flexible flat cable, and the fault disturbing threshold is correspondingly provided with four safety value intervals; the fault influence module compares a fault influence coefficient with a safety value interval of a fault disturbance threshold;
the fault influence module feeds back the serial number of the safety analysis signal plus the standard flexible flat cable to the server, and the server sends the safety analysis signal with the serial number to the safety analysis module; the safety analysis module is used for carrying out safety analysis on the flexible flat cable after receiving the safety analysis signal;
the safety analysis module transmits the short-circuit signal, the abnormal signal and the danger alarm signal to the user terminal, and the user terminal obtains a safety analysis result of the flexible flat cable according to the short-circuit signal, the abnormal signal and the danger alarm signal.
Furthermore, the registration login module is used for a technician to register a login system after inputting personal information through the user terminal and sending the personal information to the server for storage;
the personal information comprises a name and a mobile phone number authenticated by a real name;
the data connection module is used for performing data connection between the system and a plurality of flexible flat cables and acquiring standard parameter information of the flexible flat cables; the user terminal is used for a technician to input suffix identification information of the flexible flat cable; the data connection module adds suffix identification information to the standard parameter information of the flexible flat cable and then sends the standard parameter information to the storage module for storage;
suffix identification includes the number, name and location of the flex cable;
the standard parameter information comprises a standard length value, a standard thickness value, a standard current value, a standard voltage value, a standard temperature value, a fault disturbance threshold value, a temperature safety value, a current safety value and a voltage safety value, wherein the temperature safety value, the current safety value and the voltage safety value are all correspondingly provided with safety value intervals.
Further, the data acquisition module self-defines a fault detection time period, and randomly sets a plurality of time detection points u, u =1, 2, … …, z in the fault detection time period; the time detection points are used for acquiring the temperature information and the running state of the flexible flat cable Ai and counting the fault times of the flexible flat cable in a fault detection time period, wherein i =1, 2, … …, x;
the running state comprises a plurality of pieces of real-time current information DLAiu and a plurality of pieces of real-time voltage information DYAIu of the flexible flat cable.
Further, the normal set comprises a plurality of temperature normal groups, a plurality of current normal groups and a plurality of voltage normal groups, and the abnormal set comprises a plurality of temperature abnormal groups, a plurality of current abnormal groups and a plurality of voltage abnormal groups;
the abnormal mean values comprise a temperature abnormal mean value WDJAi, a current abnormal mean value DLJAi and a voltage abnormal mean value DYJAi of the flexible flat cable.
Further, the fault influence analysis process of the fault influence module specifically includes:
the method comprises the following steps: obtaining the calculated abnormal mean values of temperature WDJAi, current DLJAi and voltage DYJAi;
step two: obtaining a safe temperature median value WDAi, a safe current median value DLAi and a safe voltage median value DYAI of the flexible flat cable by taking the median values of the temperature safety value, the current safety value and the voltage safety value;
step three: comparing the safe temperature median value WDAi, the safe current median value DLAi and the safe voltage median value DYAI with the temperature abnormal mean value WDJAi, the current abnormal mean value DLJAi and the voltage abnormal mean value DYJAi one by one, and taking absolute values to obtain numerical values WAi, LAi and YAi;
step four: by fault influencing algorithm
Calculating a fault influence coefficient of the flexible flat cable, and obtaining the service life of the flexible flat cable according to the fault influence coefficient; alpha is a fixed numerical value and is 2.0465, the fault influence coefficient and the service life of the flexible flat cable are in inverse proportion relation, different fault influence coefficients correspond to different service lives, the relation between the service life and the fault influence coefficient is TAi 50000/(GAi x 0.7842123), TAi is the service life of the flexible flat cable, a1, a2, a3 and a4 are all proportional coefficient fixed numerical values, and the values of a1, a2, a3 and a4 are all larger than zero;
step five: the server feeds back the fault influence coefficient and the use duration of the flexible flat cable to the user terminal, and a technician obtains the use duration of the corresponding flexible flat cable through the user terminal.
Further, the alignment process specifically comprises:
step S1: the safety value interval of the fault disturbance threshold is [ x1, x2 ], [ x2, x3 ], [ x3, x4 ]) and [ x4, x5], x1 is more than or equal to 0 and more than x2 and more than x3 and more than x4, and x1, x2, x3 and x4 are preset values;
step S2: comparing the fault influence coefficient with the four safety value intervals of the fault disturbance threshold value respectively to obtain a safety value interval in which the soft flat cable fault influence coefficient is located;
step S3: if the fault influence coefficient is at [ x1, x 2), no operation is performed;
and if the fault influence coefficient is any one of [ x2, x3 ], [ x3, x4 ] and [ x4, x5], generating a safety analysis signal.
Further, the security analysis steps of the security analysis module are as follows:
step P1: acquiring the number of copper wire conductors in the flexible flat cable, and recording the copper wire conductors in the flexible flat cable as o, o =1, 2, … …, v and v as positive integers, wherein o represents the copper wire conductors;
step P2: measuring an actual length value, an actual thickness value, an actual current value, an actual voltage value and an actual temperature value of a copper wire conductor in the current flexible flat cable; the actual length value, the actual thickness value, the actual current value, the actual voltage value and the actual temperature value are average values of the length value, the thickness value, the current value, the voltage value and the temperature value of the copper wire conductor in the flexible flat cable in unit time;
step P3: obtaining an allowable difference value of copper wire conductors in the flexible flat cable, and marking the allowable length difference value as C1 o; calculating an actual length difference value C2o between the actual length value and the standard length value of the flexible flat cable, if C2o is not more than C1o, judging that the flexible flat cable copper wire conductor is in an allowable range, if C2o is more than C1o, judging that the flexible flat cable copper wire conductor exceeds the allowable range, and entering the next step; wherein, the allowable length difference is the difference between the length of the fully stretched flexible flat cable and the length of the initial flexible flat cable;
step P4: calculating the difference between the actual thickness value and the standard thickness value to obtain the thickness loss degree Ho of the flexible flat cable copper wire conductor; calculating the difference value between the actual temperature value and the standard temperature value to obtain a temperature floating value Fo of the flexible flat cable copper wire conductor; wherein the standard thickness is the outer perimeter of the copper wire conductor in the flexible flat cable when the flexible flat cable is not subjected to any stretching;
step P5: acquiring the number of copper wire conductors with the actual current value inconsistent with the standard current value, acquiring the number of copper wire conductors with the actual voltage value inconsistent with the standard voltage value, and acquiring the intersection number of the actual voltage value and the standard voltage value to obtain the number Wo of invalid conductors;
step P6: using formulas
Calculating to obtain a short circuit value of the flexible flat cable, wherein No is the number of copper wire conductors in the flexible flat cable; in the formula, b1 and b2 are both fixed numerical values of proportionality coefficients, and the values of b1 and b2 are both larger than zero;
step P7: substituting the short-circuit value DLo, the temperature floating value Fo, the thickness loss degree Ho and the actual length difference value C2o into a safety analysis formula to obtain an abnormal value YCo of the flexible flat cable, wherein the safety analysis formula is as follows:
step P8: the short circuit value and the abnormal value of the soft flat cable are judged.
Further, the determination process specifically includes:
if the short circuit value exceeds the set threshold and the abnormal value does not exceed the set threshold, generating a short circuit signal;
if the short circuit value does not exceed the set threshold and the abnormal value exceeds the set threshold, generating an abnormal signal;
and generating a danger alarm signal if the short circuit value and the abnormal value both exceed the set threshold.
Compared with the prior art, the invention has the beneficial effects that:
1. comparing a plurality of temperature information, a plurality of real-time current information and a plurality of real-time voltage information of the flexible flat cables with corresponding safety value intervals one by one to obtain a normal set and an abnormal set, classifying and dividing each flexible flat cable group in the abnormal set according to the serial number of the flexible flat cables, adding and averaging after classifying and dividing to obtain an abnormal average value of the corresponding flexible flat cables, and sending the abnormal average value of the flexible flat cables to a fault influence module;
2. the method comprises the steps of carrying out fault influence analysis on the flexible flat cable through a fault influence module, comparing a safety temperature median value, a safety current median value and a safety voltage median value with a temperature abnormal mean value, a current abnormal mean value and a voltage abnormal mean value one by one to obtain an absolute value, calculating a fault influence coefficient of the flexible flat cable by using a fault influence algorithm, obtaining the service life of the flexible flat cable through the fault influence coefficient, comparing the fault influence coefficient with four safety value intervals of a fault disturbance threshold value, and not carrying out any operation or generating a safety analysis signal after comparison;
3. the invention carries out safety analysis on the flexible flat cable through the safety analysis module, compares the allowable length difference according to the actual length difference of the copper wire conductors in the flexible flat cable, calculates the thickness loss degree, the temperature floating value and the number of invalid conductors of the copper wire conductors of the flexible flat cable if the copper wire conductors of the flexible flat cable exceed the allowable range, calculates the short circuit value of the flexible flat cable by using a formula, brings the short circuit value, the temperature floating value, the thickness loss degree and the actual length difference into a safety analysis formula to obtain the abnormal value of the flexible flat cable, finally judges the short circuit value and the abnormal value of the flexible flat cable to obtain the corresponding signal, and can obtain the safety analysis result of the flexible flat cable according to the signal technicians.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is an overall system block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a computer-based flexible flat cable security analysis system for a mobile phone camera module includes a registration module, a data connection module, a fault influence module, a data acquisition module, a storage module, a security analysis module, and a server;
the registration login module is used for a technician to register a login system after inputting personal information through the user terminal and sending the personal information to the server for storage; the personal information comprises a name, a mobile phone number of real-name authentication and the like;
the data connection module is used for performing data connection between the system and a plurality of flexible flat cables and acquiring standard parameter information of the flexible flat cables; the user terminal is used for a technician to input suffix identification information of the flexible flat cable; the data connection module adds suffix identification information to the standard parameter information of the flexible flat cable and then sends the standard parameter information to the storage module for storage;
suffix identification includes the number, name, location, etc. of the flex cable;
the standard parameter information comprises a standard length value, a standard thickness value, a standard current value, a standard voltage value, a standard temperature value, a fault disturbance threshold value, a temperature safety value, a current safety value, a voltage safety value and the like, wherein the temperature safety value, the current safety value and the voltage safety value are correspondingly provided with safety value intervals;
the data acquisition module self-draws up a fault detection time period, and randomly sets a plurality of time detection points u in the fault detection time period, wherein u =1, 2, … …, z is a positive integer, and u represents the time detection points; the time detection points are used for acquiring the temperature information and the running state of the flexible flat cable Ai and counting the fault times of the flexible flat cable in a fault detection time period, wherein i =1, 2, … …, x and i represent the flexible flat cable; the data acquisition module sends a plurality of temperature information WDAiu, a plurality of running states and failure times GZAi of the flexible flat cable to a server; the running state comprises a plurality of pieces of real-time current information DLAiu and a plurality of pieces of real-time voltage information DYAIu of the flexible flat cable;
the server compares a plurality of pieces of received temperature information, a plurality of pieces of received real-time current information and a plurality of pieces of received real-time voltage information of the flexible flat cable with corresponding safety value intervals one by one, and the flexible flat cable which is positioned in the safety value intervals is classified into a normal set, and the flexible flat cable which is not positioned in the safety value intervals is classified into an abnormal set;
the normal set comprises a plurality of temperature normal groups, a plurality of current normal groups and a plurality of voltage normal groups, and the abnormal set comprises a plurality of temperature abnormal groups, a plurality of current abnormal groups and a plurality of voltage abnormal groups;
classifying and dividing each soft flat cable group in the abnormal set according to the serial number of the soft flat cables, adding and averaging after classifying and dividing to obtain an abnormal mean value corresponding to the soft flat cables, and sending the abnormal mean value of the soft flat cables to a fault influence module, wherein the abnormal mean value comprises a temperature abnormal mean value WDJAi, a current abnormal mean value DLJAi and a voltage abnormal mean value DYJAi of the soft flat cables;
the fault influence module receives an abnormal mean value of the flexible flat cable sent by the server; the fault influence module is used for analyzing the fault influence of the flexible flat cable, and the fault influence analysis process specifically comprises the following steps:
the method comprises the following steps: obtaining the calculated abnormal mean values of temperature WDJAi, current DLJAi and voltage DYJAi;
step two: obtaining a safe temperature median value WDAi, a safe current median value DLAi and a safe voltage median value DYAI of the flexible flat cable by taking the median values of the temperature safety value, the current safety value and the voltage safety value;
step three: comparing the safe temperature median value WDAi, the safe current median value DLAi and the safe voltage median value DYAI with the temperature abnormal mean value WDJAi, the current abnormal mean value DLJAi and the voltage abnormal mean value DYJAi one by one, and taking absolute values to obtain numerical values WAi, LAi and YAi;
step four: by fault influencing algorithm
Calculating a fault influence coefficient of the flexible flat cable, and obtaining the service life of the flexible flat cable according to the fault influence coefficient; alpha is a fixed numerical value and is 2.0465, the fault influence coefficient and the service life of the flexible flat cable are in inverse proportion relation, different fault influence coefficients correspond to different service lives, the relation between the service life and the fault influence coefficient is TAi 50000/(GAi x 0.7842123), TAi is the service life of the flexible flat cable, a1, a2, a3 and a4 are all proportional coefficient fixed numerical values, and the values of a1, a2, a3 and a4 are all larger than zero;
step five: the server feeds back the fault influence coefficient and the use duration of the flexible flat cable to the user terminal, and a technician acquires the use duration of the corresponding flexible flat cable through the user terminal;
the storage module stores a fault disturbing threshold of the flexible flat cable, and the fault disturbing threshold is correspondingly provided with four safety value intervals; the fault influence module compares the fault influence coefficient with a safety value interval of a fault disturbance threshold, and the comparison process specifically comprises the following steps:
step S1: the safety value interval of the fault disturbance threshold is [ x1, x2 ], [ x2, x3 ], [ x3, x4 ]) and [ x4, x5], x1 is more than or equal to 0 and more than x2 and more than x3 and more than x4, and x1, x2, x3 and x4 are preset values;
step S2: comparing the fault influence coefficient with the four safety value intervals of the fault disturbance threshold value respectively to obtain a safety value interval in which the soft flat cable fault influence coefficient is located;
step S3: if the fault influence coefficient is at [ x1, x 2), no operation is performed;
if the fault influence coefficient is any one of [ x2, x3 ], [ x3, x4 ], [ x4, x5], generating a safety analysis signal;
the fault influence module feeds back the serial number of the safety analysis signal plus the standard flexible flat cable to the server, and the server sends the safety analysis signal with the serial number to the safety analysis module; the safety analysis module is used for carrying out safety analysis on the flexible flat cable after receiving the safety analysis signal, and the safety analysis steps are as follows:
step P1: acquiring the number of copper wire conductors in the flexible flat cable, and recording the copper wire conductors in the flexible flat cable as o, o =1, 2, … …, v and v as positive integers, wherein o represents the copper wire conductors;
step P2: measuring an actual length value, an actual thickness value, an actual current value, an actual voltage value and an actual temperature value of a copper wire conductor in the current flexible flat cable; the actual length value, the actual thickness value, the actual current value, the actual voltage value and the actual temperature value are average values of the length value, the thickness value, the current value, the voltage value and the temperature value of the copper wire conductor in the flexible flat cable in unit time;
step P3: obtaining an allowable difference value of copper wire conductors in the flexible flat cable, and marking the allowable length difference value as C1 o; calculating an actual length difference value C2o between the actual length value and the standard length value of the flexible flat cable, if C2o is not more than C1o, judging that the flexible flat cable copper wire conductor is in an allowable range, if C2o is more than C1o, judging that the flexible flat cable copper wire conductor exceeds the allowable range, and entering the next step; wherein, the allowable length difference is the difference between the length of the fully stretched flexible flat cable and the length of the initial flexible flat cable;
step P4: calculating the difference between the actual thickness value and the standard thickness value to obtain the thickness loss degree Ho of the flexible flat cable copper wire conductor; calculating the difference value between the actual temperature value and the standard temperature value to obtain a temperature floating value Fo of the flexible flat cable copper wire conductor; wherein the standard thickness is the outer perimeter of the copper wire conductor in the flexible flat cable when the flexible flat cable is not subjected to any stretching;
step P5: acquiring the number of copper wire conductors with the actual current value inconsistent with the standard current value, acquiring the number of copper wire conductors with the actual voltage value inconsistent with the standard voltage value, and acquiring the intersection number of the actual voltage value and the standard voltage value to obtain the number Wo of invalid conductors;
step P6: using formulas
Calculating to obtain a short circuit value of the flexible flat cable, wherein No is the number of copper wire conductors in the flexible flat cable; in the formula, b1 and b2 are both fixed numerical values of proportionality coefficients, and the values of b1 and b2 are both larger than zero;
step P7: substituting the short-circuit value DLo, the temperature floating value Fo, the thickness loss degree Ho and the actual length difference value C2o into a safety analysis formula to obtain an abnormal value YCo of the flexible flat cable, wherein the safety analysis formula is as follows:
step P8: judging a short circuit value and an abnormal value of the flexible flat cable;
the method specifically comprises the following steps:
if the short circuit value exceeds the set threshold and the abnormal value does not exceed the set threshold, generating a short circuit signal;
if the short circuit value does not exceed the set threshold and the abnormal value exceeds the set threshold, generating an abnormal signal;
if the short circuit value and the abnormal value both exceed the set threshold value, generating a danger alarm signal;
the safety analysis module transmits the short-circuit signal, the abnormal signal and the danger alarm signal to the user terminal, and the user terminal obtains a safety analysis result of the flexible flat cable according to the short-circuit signal, the abnormal signal and the danger alarm signal.
When the system works, a technician inputs personal information through a user terminal and then registers a login system, the technician is in data connection with the flexible flat cable through a data connection module system and is used for acquiring standard parameter information of the flexible flat cable, meanwhile, the technician also inputs suffix identification information of the flexible flat cable through the user terminal, the data connection module in the system marks the suffix identification information on the standard parameter information of the flexible flat cable and then sends the standard parameter information to a storage module for storage, and temperature information, real-time current information DLAiu and real-time voltage information DYAIu of the flexible flat cable are obtained;
the server compares a plurality of temperature information, a plurality of real-time current information and a plurality of real-time voltage information of the flexible flat cables with corresponding safety value intervals one by one to obtain a normal set and an abnormal set, classifies and divides each flexible flat cable group in the abnormal set according to the serial number of the flexible flat cables, adds and takes an average value after classifying and dividing to obtain an abnormal average value of the corresponding flexible flat cables, and sends the abnormal average value of the flexible flat cables to a fault influence module;
carrying out fault influence analysis on the flexible flat cable through a fault influence module, obtaining a safe temperature median value WDAi, a safe current median value DLAi and a safe voltage median value DYAI of the flexible flat cable by taking a median value among a temperature safety value, a current safety value and a voltage safety value, comparing difference values of the safe temperature median value WDAi, the safe current median value DLAi and the safe voltage median value DYAI with a temperature abnormal mean value WDJAi, a current abnormal mean value DLJAi and a voltage abnormal mean value DYJAi one by one, and obtaining absolute values to obtain numerical values WAi, LAi and YAi, and obtaining fault influence algorithm by using a fault influence algorithm
Calculating a fault influence coefficient of the flexible flat cable, obtaining the service life of the flexible flat cable through the fault influence coefficient, feeding the fault influence coefficient and the service life of the flexible flat cable back to a user terminal by a server, obtaining the service life of the corresponding flexible flat cable through the user terminal by a technician, comparing the fault influence coefficient with four safety value intervals of a fault disturbance threshold, and not performing any operation or generating a safety analysis signal after comparison;
the serial number of the safety analysis signal plus the label flexible flat cable is sent to the safety analysis module, and the safety analysis module receives the safety analysis signal and uses the safety analysis signalCarrying out safety analysis on the flexible flat cable to obtain the actual length difference C2o of the copper wire conductor in the flexible flat cable, if the flexible flat cable copper wire conductor exceeds the allowable range, calculating the thickness loss Ho, the temperature floating value Fo and the number Wo of invalid conductors of the flexible flat cable copper wire conductor, and utilizing a formula
Calculating to obtain the short circuit value of the flexible flat cable, and substituting the short circuit value DLo, the temperature floating value Fo, the thickness loss degree Ho and the actual length difference value C2o into a safety analysis formula
Obtaining an abnormal value YCo of the flexible flat cable, obtaining a short circuit signal, an abnormal signal and a danger alarm signal by judging the short circuit value and the abnormal value of the flexible flat cable, and transmitting the short circuit signal, the abnormal signal and the danger alarm signal to a user terminal according to the short circuit signal, the abnormal signal and the danger alarm signal to obtain a safety analysis result of the flexible flat cable.
The above formulas are all calculated by taking the numerical value of the dimension, the formula is a formula which obtains the latest real situation by acquiring a large amount of data and performing software simulation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A computer-based soft flat cable safety analysis system for a mobile phone camera module is characterized by comprising a registration login module, a data connection module, a fault influence module, a data acquisition module, a storage module, a safety analysis module and a server;
the data acquisition module sends a plurality of temperature information WDAiu, a plurality of running states and failure times GZAi of the flexible flat cable to a server; the server compares a plurality of pieces of received temperature information, a plurality of pieces of received real-time current information and a plurality of pieces of received real-time voltage information of the flexible flat cable with corresponding safety value intervals one by one, and the flexible flat cable is classified into a normal set in the safety value intervals and classified into an abnormal set in the safety value intervals;
classifying and dividing each soft flat cable group in the abnormal set according to the serial number of the soft flat cables, adding and averaging after classifying and dividing to obtain an abnormal average value of the corresponding soft flat cables, and sending the abnormal average value of the soft flat cables to a fault influence module;
the fault influence module receives an abnormal mean value of the flexible flat cable sent by the server; the fault influence module is used for analyzing the fault influence of the flexible flat cable; the storage module stores a fault disturbing threshold of the flexible flat cable, and the fault disturbing threshold is correspondingly provided with four safety value intervals; the fault influence module compares a fault influence coefficient with a safety value interval of a fault disturbance threshold;
the fault influence module feeds back the serial number of the safety analysis signal plus the standard flexible flat cable to the server, and the server sends the safety analysis signal with the serial number to the safety analysis module; the safety analysis module is used for carrying out safety analysis on the flexible flat cable after receiving the safety analysis signal;
the safety analysis module transmits the short-circuit signal, the abnormal signal and the danger alarm signal to the user terminal, and the user terminal obtains a safety analysis result of the flexible flat cable according to the short-circuit signal, the abnormal signal and the danger alarm signal.
2. The computer-based flexible flat cable security analysis system for the mobile phone camera module according to claim 1, wherein the registration login module is used for a technician to register the login system after inputting personal information through a user terminal and sending the personal information to a server for storage;
the personal information comprises a name and a mobile phone number authenticated by a real name;
the data connection module is used for performing data connection between the system and a plurality of flexible flat cables and acquiring standard parameter information of the flexible flat cables; the user terminal is used for a technician to input suffix identification information of the flexible flat cable; the data connection module adds suffix identification information to the standard parameter information of the flexible flat cable and then sends the standard parameter information to the storage module for storage;
suffix identification includes the number, name and location of the flex cable;
the standard parameter information comprises a standard length value, a standard thickness value, a standard current value, a standard voltage value, a standard temperature value, a fault disturbance threshold value, a temperature safety value, a current safety value and a voltage safety value, wherein the temperature safety value, the current safety value and the voltage safety value are all correspondingly provided with safety value intervals.
3. The computer-based flexible flat cable safety analysis system for the mobile phone camera module according to claim 1, wherein the data acquisition module self-defines a fault detection time period, and randomly sets a plurality of time detection points u, u =1, 2, … …, z in the fault detection time period; the time detection points are used for acquiring the temperature information and the running state of the flexible flat cable Ai and counting the fault times of the flexible flat cable in a fault detection time period, wherein i =1, 2, … …, x;
the running state comprises a plurality of pieces of real-time current information DLAiu and a plurality of pieces of real-time voltage information DYAIu of the flexible flat cable.
4. The computer-based flexible flat cable safety analysis system for the mobile phone camera module according to claim 1, wherein the normal set comprises a plurality of temperature normal groups, a plurality of current normal groups and a plurality of voltage normal groups, and the abnormal set comprises a plurality of temperature abnormal groups, a plurality of current abnormal groups and a plurality of voltage abnormal groups;
the abnormal mean values comprise a temperature abnormal mean value WDJAi, a current abnormal mean value DLJAi and a voltage abnormal mean value DYJAi of the flexible flat cable.
5. The system according to claim 1, wherein the fault effect analysis process of the fault effect module is as follows:
the method comprises the following steps: obtaining the calculated temperature abnormal mean value WDJAi, current abnormal mean value DLJAi and voltage abnormal mean value DYJAi;
step two: obtaining a safe temperature median value WDAi, a safe current median value DLAi and a safe voltage median value DYAI of the flexible flat cable by taking the median values of the temperature safety value, the current safety value and the voltage safety value;
step three: comparing the safe temperature median value WDAi, the safe current median value DLAi and the safe voltage median value DYAI with the temperature abnormal mean value WDJAi, the current abnormal mean value DLJAi and the voltage abnormal mean value DYJAi one by one, and taking absolute values to obtain numerical values WAi, LAi and YAi;
step four: by fault influencing algorithm
Calculating a fault influence coefficient of the flexible flat cable, and obtaining the service life of the flexible flat cable according to the fault influence coefficient; alpha is a fixed numerical value and is 2.0465, the fault influence coefficient and the service life of the flexible flat cable are in inverse proportion relation, different fault influence coefficients correspond to different service lives, the relation between the service life and the fault influence coefficient is TAi 50000/(GAi x 0.7842123), TAi is the service life of the flexible flat cable, a1, a2, a3 and a4 are all proportional coefficient fixed numerical values, and the values of a1, a2, a3 and a4 are all larger than zero;
step five: the server feeds back the fault influence coefficient and the use duration of the flexible flat cable to the user terminal, and a technician obtains the use duration of the corresponding flexible flat cable through the user terminal.
6. The computer-based flexible flat cable safety analysis system for the mobile phone camera module according to claim 1, wherein the comparison process specifically comprises:
step S1: the safety value interval of the fault disturbance threshold is [ x1, x2 ], [ x2, x3 ], [ x3, x4 ]) and [ x4, x5], x1 is more than or equal to 0 and more than x2 and more than x3 and more than x4, and x1, x2, x3 and x4 are preset values;
step S2: comparing the fault influence coefficient with the four safety value intervals of the fault disturbance threshold value respectively to obtain a safety value interval in which the soft flat cable fault influence coefficient is located;
step S3: if the fault influence coefficient is at [ x1, x 2), no operation is performed;
and if the fault influence coefficient is any one of [ x2, x3 ], [ x3, x4 ] and [ x4, x5], generating a safety analysis signal.
7. The computer-based flexible flat cable security analysis system for the mobile phone camera module of claim 1, wherein the security analysis module specifically comprises the following steps:
step P1: acquiring the number of copper wire conductors in the flexible flat cable, and recording the copper wire conductors in the flexible flat cable as o, o =1, 2, … …, v and v as positive integers, wherein o represents the copper wire conductors;
step P2: measuring an actual length value, an actual thickness value, an actual current value, an actual voltage value and an actual temperature value of a copper wire conductor in the current flexible flat cable; the actual length value, the actual thickness value, the actual current value, the actual voltage value and the actual temperature value are average values of the length value, the thickness value, the current value, the voltage value and the temperature value of the copper wire conductor in the flexible flat cable in unit time;
step P3: obtaining an allowable difference value of copper wire conductors in the flexible flat cable, and marking the allowable length difference value as C1 o; calculating an actual length difference value C2o between the actual length value and the standard length value of the flexible flat cable, if C2o is not more than C1o, judging that the flexible flat cable copper wire conductor is in an allowable range, if C2o is more than C1o, judging that the flexible flat cable copper wire conductor exceeds the allowable range, and entering the next step; wherein, the allowable length difference is the difference between the length of the fully stretched flexible flat cable and the length of the initial flexible flat cable;
step P4: calculating the difference between the actual thickness value and the standard thickness value to obtain the thickness loss degree Ho of the flexible flat cable copper wire conductor; calculating the difference value between the actual temperature value and the standard temperature value to obtain a temperature floating value Fo of the flexible flat cable copper wire conductor; wherein the standard thickness is the outer perimeter of the copper wire conductor in the flexible flat cable when the flexible flat cable is not subjected to any stretching;
step P5: acquiring the number of copper wire conductors with the actual current value inconsistent with the standard current value, acquiring the number of copper wire conductors with the actual voltage value inconsistent with the standard voltage value, and acquiring the intersection number of the actual voltage value and the standard voltage value to obtain the number Wo of invalid conductors;
step P6: using formulas
Calculating to obtain a short circuit value of the flexible flat cable, wherein No is the number of copper wire conductors in the flexible flat cable; in the formula, b1 and b2 are both fixed numerical values of proportionality coefficients, and the values of b1 and b2 are both larger than zero;
step P7: substituting the short-circuit value DLo, the temperature floating value Fo, the thickness loss degree Ho and the actual length difference value C2o into a safety analysis formula to obtain an abnormal value YCo of the flexible flat cable, wherein the safety analysis formula is as follows:
step P8: the short circuit value and the abnormal value of the soft flat cable are judged.
8. The computer-based flexible flat cable safety analysis system for the mobile phone camera module according to claim 7, wherein the determination process specifically comprises:
if the short circuit value exceeds the set threshold and the abnormal value does not exceed the set threshold, generating a short circuit signal;
if the short circuit value does not exceed the set threshold and the abnormal value exceeds the set threshold, generating an abnormal signal;
and generating a danger alarm signal if the short circuit value and the abnormal value both exceed the set threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374341.5A CN113179398B (en) | 2021-04-07 | 2021-04-07 | Flexible flat cable safety analysis system for mobile phone camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374341.5A CN113179398B (en) | 2021-04-07 | 2021-04-07 | Flexible flat cable safety analysis system for mobile phone camera module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113179398A true CN113179398A (en) | 2021-07-27 |
| CN113179398B CN113179398B (en) | 2022-05-31 |
Family
ID=76923578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110374341.5A Active CN113179398B (en) | 2021-04-07 | 2021-04-07 | Flexible flat cable safety analysis system for mobile phone camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113179398B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718829A (en) * | 2009-12-30 | 2010-06-02 | 中兴通讯股份有限公司 | Flexible flat cable test jack and test method |
| KR101165765B1 (en) * | 2011-07-15 | 2012-07-18 | 윤희준 | Apparatus for inspecting and marking faulty of flexible flat cable |
| CN105910900A (en) * | 2016-04-25 | 2016-08-31 | 昆山瑞鸿诚自动化设备科技有限公司 | FPC flexible flat cable tension test device |
| CN108038553A (en) * | 2017-12-13 | 2018-05-15 | 科大集智数据科技（武汉）有限公司 | Milling equipment state on_line monitoring and diagnostic system and monitoring, diagnosing method |
| CN112114212A (en) * | 2020-08-21 | 2020-12-22 | 杭州易现先进科技有限公司 | Testing equipment for flexible flat cable |
| CN112465367A (en) * | 2020-12-05 | 2021-03-09 | 深圳市云海互联技术有限公司 | Method for detecting power line fault by using computer simulation analysis software |
-
2021
- 2021-04-07 CN CN202110374341.5A patent/CN113179398B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718829A (en) * | 2009-12-30 | 2010-06-02 | 中兴通讯股份有限公司 | Flexible flat cable test jack and test method |
| KR101165765B1 (en) * | 2011-07-15 | 2012-07-18 | 윤희준 | Apparatus for inspecting and marking faulty of flexible flat cable |
| CN105910900A (en) * | 2016-04-25 | 2016-08-31 | 昆山瑞鸿诚自动化设备科技有限公司 | FPC flexible flat cable tension test device |
| CN108038553A (en) * | 2017-12-13 | 2018-05-15 | 科大集智数据科技（武汉）有限公司 | Milling equipment state on_line monitoring and diagnostic system and monitoring, diagnosing method |
| CN112114212A (en) * | 2020-08-21 | 2020-12-22 | 杭州易现先进科技有限公司 | Testing equipment for flexible flat cable |
| CN112465367A (en) * | 2020-12-05 | 2021-03-09 | 深圳市云海互联技术有限公司 | Method for detecting power line fault by using computer simulation analysis software |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113179398B (en) | 2022-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110084158B (en) | Electric equipment identification method based on intelligent algorithm | |
| CN113671361A (en) | High-voltage circuit breaker characteristic parameter prediction method and system based on multi-source signal fusion | |
| JPH0829480A (en) | Method for specifying accident section of transmission line and situation of accident | |
| CN114022988A (en) | Visitor information management verification system and method based on artificial intelligence | |
| CN116436833A (en) | Fault diagnosis method, device and equipment in switch port test | |
| CN112861947A (en) | Sensor data processing method and device and computing equipment | |
| CN113179398B (en) | Flexible flat cable safety analysis system for mobile phone camera module | |
| CN114460519A (en) | On-site and terminal fusion management system and method based on power transformer inspection | |
| CN105652144B (en) | Battery pack Beam Detector and method | |
| CN116228778B (en) | Insulator rupture detection method and system based on multi-mode information fusion | |
| CN113791337A (en) | Data processing-based quality analysis monitoring system for circuit board | |
| CN208239531U (en) | A kind of power distribution automation test device based on image recognition | |
| CN114757939A (en) | Optical cable production detection supervisory systems based on machine vision | |
| CN112347889B (en) | Substation operation behavior identification method and device | |
| CN114720812A (en) | Method and system for processing and positioning faults of power distribution network | |
| CN115185724A (en) | Fault processing method, device, electronic equipment and storage medium | |
| CN115061012A (en) | Intelligent monitoring and diagnosing system and method based on edge computing power supply grid | |
| CN114549453A (en) | Contact line pull-out lead height value detection method and system | |
| CN114137401A (en) | Method and device for determining electromagnetic signal of fault | |
| CN113672658A (en) | Power equipment online monitoring error data identification method based on multiple correlation coefficients | |
| CN117849558B (en) | Method and device for on-line monitoring breakdown fault of main capacitor of capacitive voltage transformer | |
| CN116821834B (en) | Vacuum circuit breaker overhauling management system based on embedded sensor | |
| CN116822692A (en) | Line abnormity prediction method and device and electronic equipment | |
| CN117060574A (en) | Visual monitoring platform for electric power monitoring | |
| Li et al. | Design of Automatic Identification System for Substation Monitoring Interface Based on Machine Vision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |