CN107907820A - A kind of detection method of printed circuit board, device and detecting system - Google Patents
A kind of detection method of printed circuit board, device and detecting system Download PDFInfo
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- CN107907820A CN107907820A CN201710980420.4A CN201710980420A CN107907820A CN 107907820 A CN107907820 A CN 107907820A CN 201710980420 A CN201710980420 A CN 201710980420A CN 107907820 A CN107907820 A CN 107907820A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
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Abstract
An embodiment of the present invention provides a kind of detection method of printed circuit board, device and a kind of detecting system, the described method includes：Remote signal is sent for multiple sensors, and, send lamp source control signal to multiple signal lamp sources；The demodulated signal that multiple sensors are directed to remote signal feedback is received, and, gather images to be recognized when multiple signal lamp sources are directed to lamp source control signal bright light；The images to be recognized includes multiple images region corresponding with multiple signal lamp sources；Demodulated signal is detected, and, identify images to be recognized；When some demodulated signal exception, the position of corresponding sensor on a printed circuit board is positioned, and, when some image-region exception of identified image, position the position of corresponding signal lamp source on a printed circuit board.According to embodiments of the present invention, detection efficiency is improved.
Description
Technical field
The present invention relates to electronic device field, more particularly to the detection method and device of a kind of printed circuit board, and,
A kind of detecting system.
Background technology
Current LCD TV generally has remote control reception module.In remote control reception module, infrared sensing has been generally comprised
Device and LED light.Wherein, the remote signal that infrared sensor is used to send remote controler is transferred to TV master chip, and LED refers to
Show that lamp is then controlled by TV master chip, lighted according to whole set of television state.
When making remote control reception module, infrared sensor and LED light are welded on one piece of print together with peripheral circuit
On circuit board processed.Generate for the ease of welding, usually multiple above-mentioned multiple printed circuit boards are stitched together installation and weldering
Connect, form a Multiple Printed Panel for PCB for being welded with tens remote control reception modules.Fig. 1 is a kind of Multiple Printed Panel for PCB
Effect diagram.It can be seen that multiple remote control reception modules are respectively welded on multiple positions of Multiple Printed Panel for PCB.
When being detected for remote control reception module, testing staff first carries out scoreboard processing, by Multiple Printed Panel for PCB
Multiple single remote control reception modules are split into, it is then detected that personnel carry out failure inspection for single remote control reception module one by one
Survey.More specifically, testing staff accesses TV after by Multiple Printed Panel for PCB scoreboard, by single remote control reception module, lead to
Cross remote controler and send remote signal, judge that infrared sensor receives remote signal with the presence or absence of exception, and observe LED light to be
It is no to there is exception.
However, to Multiple Printed Panel for PCB scoreboard, multiple single remote control reception modules are split into, then are carried out one by one artificial
The process of detection causes detection efficiency relatively low, it is necessary to expend the substantial amounts of manpower of testing staff and time.Moreover, testing staff's weight
The same work of complex phase, be easy to cause erroneous judgement, influences Detection accuracy.
Therefore, current detection method there is detection efficiency it is low the problem of.It is moreover, also relatively low there is Detection accuracy
The problem of.
The content of the invention
In view of the above problems, it is proposed that the embodiment of the present invention is in order to provide overcoming the above problem or solve at least in part
The detection method and device of a kind of printed circuit board of the above problem, and, a kind of detecting system.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of method of the detection of printed circuit board, the print
Circuit board processed includes multiple sensors and multiple signal lamp sources, and the multiple sensor and the multiple signal lamp source are respectively welded
On multiple positions of the printed circuit board, the described method includes：
Remote signal is sent for the multiple sensor, and, send lamp source control letter to the multiple signal lamp source
Number；
The demodulated signal that the multiple sensor is directed to remote signal feedback is received, and, gather the multiple letter
Signal lamp source is directed to the images to be recognized during lamp source control signal bright light；The images to be recognized includes and the multiple signal
The corresponding multiple images region of lamp source；
The demodulated signal is detected, and, identify the images to be recognized；
When some demodulated signal exception, position of the corresponding sensor on the printed circuit board is positioned, and, work as institute
It is abnormal to state some image-region of images to be recognized, positions position of the corresponding signal lamp source on the printed circuit board.
Alternatively, the method further includes：
Generate Fisrt fault prompt message；The Fisrt fault prompt message includes the sensor of demodulated signal exception
Position on a printed circuit board；
Generate the second fault cues information；The second fault cues information includes the letter corresponding to abnormal image-region
Position of the signal lamp source on the printed circuit board.
Alternatively, before described the step of sending remote signal for the multiple sensor, the method further includes：
Obtain standard demodulation signal；
Processing is modulated to the standard demodulation signal, obtains the remote signal.
Alternatively, the step of detection demodulated signal, including：
From the demodulated signal of the multiple sensor, the demodulated signal of at least one sensor is extracted successively；
Judge whether the demodulated signal of at least one sensor matches with the standard demodulation signal；
If so, then judge that the demodulated signal of at least one sensor is normal；
If it is not, then judge that the demodulated signal of at least one sensor is abnormal.
Alternatively, the multiple sensor has corresponding multiple sensor numbers, the multiple sensor number respectively
There is correspondence with multiple positions on the printed circuit board, it is described to position corresponding sensor in the printed circuit board
On position the step of, including：
Obtain the sensor number of the sensor of demodulated signal exception；
Inquire about the sensor number corresponding position on the printed circuit board, the sensing as demodulated signal exception
Position of the device on the printed circuit board.
Alternatively, the multiple signal lamp source has a corresponding multiple lamp sources numbering respectively, the multiple lamp source numbering with
Multiple positions on the printed circuit board have correspondence, described to position corresponding signal lamp source in the printed circuit board
On position the step of, including：
Obtain fault-signal lamp source corresponding with abnormal image-region；
Obtain the lamp source numbering of the fault-signal lamp source；
The lamp source for inquiring about the fault-signal lamp source numbers the corresponding position on the printed circuit board, as the event
Hinder position of the signal lamp source on the printed circuit board.
Alternatively, the lamp source control signal has a default standard picture, the standard picture include with it is the multiple
The step of corresponding multiple standard picture regions of signal lamp source, the identification images to be recognized, including：
From described multiple images region, at least one image-region is extracted successively；
The standard picture area of same signal lamp source will be corresponded at least one image-region and the standard picture
Domain is compared；
If matching between the two, judge that at least one image-region is normal；
If mismatching between the two, judge that at least one image-region is abnormal.
The embodiment of the invention also discloses a kind of detection device of printed circuit board, the printed circuit board includes multiple biographies
Sensor and multiple signal lamp sources, the multiple sensor and the multiple signal lamp source are respectively welded at the printed circuit board
On multiple positions, described device includes：
Signal transmitting module, for sending remote signal for the multiple sensor, and, to the multiple signal lamp
Source sends lamp source control signal；
Signal receives and image capture module, and the solution of remote signal feedback is directed to for receiving the multiple sensor
Signal is adjusted, and, gather images to be recognized when the multiple signal lamp source is directed to the lamp source control signal bright light；It is described to treat
Identification image includes multiple images region corresponding with the multiple signal lamp source；
Signal detection and picture recognition module, for detecting the demodulated signal, and, identify the images to be recognized；
Locating module, for when some demodulated signal exception, positioning corresponding sensor on the printed circuit board
Position, and, when some image-region exception of the images to be recognized, corresponding signal lamp source is positioned in the printed circuit
Position on plate.
Alternatively, described device further includes：
Fisrt fault prompt message generation module, for generating Fisrt fault prompt message；The Fisrt fault prompting letter
Breath include the sensor of the demodulated signal exception position on a printed circuit board；
Second fault cues information generating module, for generating the second fault cues information；The second fault cues letter
Breath includes position of the signal lamp source on the printed circuit board corresponding to the image-region of exception.
The embodiment of the invention also discloses a kind of detecting system, and the system comprises frock, signal acquisition and detection module
And client terminal；
The frock, including stent, multiple contact pilotages, remote signal transmitting module and image capture device；
The stent, for fixing printed circuit board；Multiple biographies are respectively welded on multiple positions of the printed circuit board
Sensor and multiple signal lamp sources；The multiple sensor is used to be directed to remote signal feedback demodulation signal；The multiple signal lamp
Source is used to be directed to lamp source control signal bright light；
The multiple contact pilotage, for the multiple sensor and be that multiple signal lamp sources are powered, and, for will described in
The demodulated signal of multiple sensors is sent to the signal acquisition and detection module；
The remote signal transmitting module, for receiving the standard demodulation signal of the signal acquisition and detection module, inciting somebody to action
The standard demodulation signal modulation is remote signal, and sends the remote signal to the multiple sensor；
Described image collecting device, for gathering images to be recognized during the multiple signal lamp source bright light, and, it is used for
The images to be recognized is sent to the client terminal；
The signal acquisition and detection module, including signal switching submodule and process chip；
The signal switching submodule, for multiple demodulated signals to be switched to the process chip successively；
The process chip, for sending the standard demodulation signal to the remote signal transmitting module, and, it is used for
The lamp source control signal is sent to the multiple signal lamp source；
The process chip, is additionally operable to detect the demodulated signal, when some demodulated signal exception, positions corresponding sensing
Position of the device on the printed circuit board；
The client terminal, for identifying the images to be recognized, when some image-region of the images to be recognized is different
Often, position of the corresponding signal lamp source on the printed circuit board is positioned.
The embodiment of the present invention includes advantages below：
According to embodiments of the present invention, by sending remote signal for multiple sensors on printed circuit board, receive and pass
The demodulated signal of sensor feedback, when demodulated signal is abnormal, according to abnormal demodulated signal positioning fault sensor in printing electricity
Position on the plate of road, so that without testing staff by printed circuit board scoreboard into multiple individually after sensors again one by one into pedestrian
Work detects, and saves manpower and time, improves detection efficiency.It is additionally, since and identical work is largely repeated without testing staff
Make, it is not easy to cause to judge by accident, improve Detection accuracy.
According to embodiments of the present invention, on the one hand, by sending remote signal for multiple sensors on printed circuit board,
The demodulated signal of receiving sensor feedback, when demodulated signal is abnormal, exists according to abnormal demodulated signal positioning fault sensor
Position on printed circuit board.On the other hand, by sending lamp source control letter for multiple signal lamp sources on printed circuit board
Number, image is gathered when multiple signal lamp sources are directed to lamp source control signal bright light, identifies image-region abnormal in image, accordingly
Position the position of fault-signal lamp source on a printed circuit board.So as to without testing staff by printed circuit board scoreboard into multiple
Artificial detection is carried out one by one again after single sensor, also individually believes printed circuit board scoreboard into multiple without testing staff
Carry out artificial detection behind signal lamp source one by one again, save manpower and time, improve detection efficiency.Being additionally, since need not detection
Personnel largely repeat identical work, it is not easy to cause to judge by accident, improve Detection accuracy.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of effect diagram of Multiple Printed Panel for PCB；
Fig. 2 is a kind of step flow chart of the detection method of printed circuit board of the embodiment of the present invention one；
Fig. 3 is a kind of step flow chart of the detection method of printed circuit board of the embodiment of the present invention two；
Fig. 4 is a kind of step flow chart of the detection method of sensor of the embodiment of the present invention three；
Fig. 5 is a kind of step flow chart of the detection method of signal lamp source of the embodiment of the present invention four；
Fig. 6 is a kind of step flow chart of the detection method of sensor of the embodiment of the present invention five；
Fig. 7 is a kind of step flow chart of the detection method of signal lamp source of the embodiment of the present invention six；
Fig. 8 is a kind of structure diagram of the detection device of printed circuit board of the embodiment of the present invention seven；
Fig. 9 is a kind of structure diagram of the detection device of printed circuit board of the embodiment of the present invention eight；
Figure 10 is a kind of structure diagram of detecting system of the embodiment of the present invention nine.
Embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.Obviously, described embodiment is part of the embodiment of the present invention, without
It is whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not before creative work is made
All other embodiments obtained are put, belong to the scope of protection of the invention.
Embodiment one
Fig. 2 is a kind of step flow chart of the detection method of printed circuit board of the embodiment of the present invention one, the printing electricity
Road plate includes multiple sensors and multiple signal lamp sources, and the multiple sensor and the multiple signal lamp source are respectively welded at institute
State on multiple positions of printed circuit board, the method specifically may include steps of：
Step 101, remote signal is sent for the multiple sensor, and, send lamp to the multiple signal lamp source
Source control signal.
Firstly the need of explanation, detection method that the embodiment of the present invention is provided can be applied in a kind of detection device
On.The detection device can include signal acquisition and detection module and remote signal transmitting module.The detection device can be with
Including collection and detection module, image capture device and client terminal.Collection and detection module may further include processing core
Piece.
Signal acquisition and detection module can control remote signal transmitting module to multiple sensors on printed circuit board
Send remote signal.In specific implementation, signal acquisition and detection module can obtain a standard demodulation signal first, then will
The standard demodulation signal is sent to remote signal transmitting module, and remote signal transmitting module can modulate the standard demodulation signal,
Above-mentioned remote signal is obtained, then launches it by infrared-emitting diode, so as to which the remote signal is inputted extremely at the same time
In multiple sensors.Wherein, above-mentioned remote signal can be 38K infrared remote-controlled signals.
Process chip in signal acquisition and detection module can send lamp source control signal to multiple signal lamp sources.Specifically
In implementation, above-mentioned signal lamp source can be that (Light-Emitting Diode, shine for indicating the LED light of power supply status
Diode), correspondingly, lamp source control signal can be LED light control signal；The process chip of signal acquisition and detection module,
The periodically variable LED light control signal of height can be sent by LED interfaces.LED light is receiving LED light control signal
Afterwards, then can periodically send out a warning or light blue lamp according to the instruction of the signal, alternatively, periodically bright light or turning off the light.
Step 102, the demodulated signal that the multiple sensor is directed to remote signal feedback is received, and, gather institute
State images to be recognized when multiple signal lamp sources are directed to the lamp source control signal bright light；The images to be recognized include with it is described
The corresponding multiple images region of multiple signal lamp sources.
After remote signal is sent for multiple sensors, multiple sensors can receive remote signal at the same time, pass
Sensor is mediated processing, obtains demodulated signal after remote signal is received.Signal acquisition and inspection in detection device
The demodulated signal of multiple sensors can be collected respectively by surveying module.
After lamp source control signal is sent to multiple signal lamp sources, multiple signal lamp sources can be controlled according to lamp source at the same time to be believed
Number instruction carry out bright light.In bright light, multiple signal lamp source collection images on printed circuit board can be directed to, are obtained to be identified
Image.In obtained images to be recognized, include the signal lamp source of multiple bright lights, be respectively at multiple in images to be recognized
In image-region.When it is implemented, signal acquisition and the process chip of detection module can control image capture device specific
Time (process chip sends the time of lamp source control signal), carries out Image Acquisition for the signal lamp source of bright light, then will adopt
The image collected is sent to client terminal by USB interface.
Step 103, the demodulated signal is detected, and, identify the images to be recognized.
For detection demodulated signal in the specific implementation, above-mentioned signal acquisition and detection module can detect respectively it is multiple
Demodulated signal.For example, choose the demodulated signal of some sensor, judge the conciliation signal and standard demodulation signal whether one
Cause, if unanimously, showing that the demodulated signal of the sensor is normal, if inconsistent, show that the demodulated signal of the sensor is abnormal.It is actual
In, demodulated signal can be one group of analog signal, can convert thereof into digital signal, then the mark with digital signals format
Quasi- demodulated signal is matched.
For identification images to be recognized in the specific implementation, can be by the client terminal in detection device, for waiting to know
Other image carries out image recognition, identifies the situation that whether there is image-region exception in image.For example, in images to be recognized
Multiple images region, choose some image-region, judge that the image-region corresponds to the standard of same lamp source with standard picture
Whether image-region is consistent, if unanimously, showing that the image-region is normal, if inconsistent, shows image-region exception.Certainly,
Those skilled in the art can use specific image recognition technology according to being actually needed, and the embodiment of the present invention does not limit this
System.
Step 104, when some demodulated signal exception, position of the corresponding sensor on the printed circuit board is positioned,
And some image-region exception when the images to be recognized, corresponding signal lamp source is positioned on the printed circuit board
Position.
In alignment sensor in the specific implementation, the numbering of multiple sensors can be preset, and determine numbering and printing electricity
The correspondence of each position on the plate of road, then can be according to the volume of the sensor in demodulated signal source when some demodulated signal exception
Number, the position of positioning fault sensor on a printed circuit board.
In positioning signal lamp source in the specific implementation, the numbering of multiple signal lamp sources can be preset, and determine numbering and print
The correspondence of each position on circuit board processed, when identify some image-region exception, it may be determined that its corresponding signal lamp
Source and its numbering, so as to position the position of fault-signal lamp source on a printed circuit board.
According to embodiments of the present invention, on the one hand, by sending remote signal for multiple sensors on printed circuit board,
The demodulated signal of receiving sensor feedback, when demodulated signal is abnormal, exists according to abnormal demodulated signal positioning fault sensor
Position on printed circuit board.On the other hand, by sending lamp source control letter for multiple signal lamp sources on printed circuit board
Number, image is gathered when multiple signal lamp sources are directed to lamp source control signal bright light, identifies image-region abnormal in image, accordingly
Position the position of fault-signal lamp source on a printed circuit board.So as to without testing staff by printed circuit board scoreboard into multiple
Artificial detection is carried out one by one again after single sensor, also individually believes printed circuit board scoreboard into multiple without testing staff
Carry out artificial detection behind signal lamp source one by one again, save manpower and time, improve detection efficiency.Being additionally, since need not detection
Personnel largely repeat identical work, it is not easy to cause to judge by accident, improve Detection accuracy.
Embodiment two
Fig. 3 is a kind of step flow chart of the detection method of printed circuit board of the two of the embodiment of the present invention, the printing
Circuit board includes multiple sensors and multiple signal lamp sources, and the multiple sensor and the multiple signal lamp source are respectively welded at
On multiple positions of the printed circuit board, the method specifically may include steps of：
Step 201, remote signal is sent for the multiple sensor, and, send lamp to the multiple signal lamp source
Source control signal.
Firstly the need of explanation, detection method that the embodiment of the present invention is provided can be applied in a kind of detection device
On.The detection device can include signal acquisition and detection module and remote signal transmitting module.The detection device can be with
Including collection and detection module, image capture device and client terminal.Collection and detection module may further include processing core
Piece.
Signal acquisition and detection module can control remote signal transmitting module to multiple sensors on printed circuit board
Send remote signal.Process chip in signal acquisition and detection module can send lamp source control letter to multiple signal lamp sources
Number.
Alternatively, before the step 201, the method can further include：
Obtain standard demodulation signal；
Processing is modulated to the standard demodulation signal, obtains the remote signal.
In the specific implementation, testing staff can input a standard demodulation signal first to signal acquisition and detection module.
The standard demodulation signal is also referred to as reference signal, for what is generated after the follow-up remote signal for judging sensor demodulation and receiving
Demodulated signal whether with the standard demodulation Signal Matching.
The remote signal transmitting module of detection device can be modulated place after standard demodulation signal is got
Reason, obtains a remote signal, so as to send the remote signal to multiple sensors.
Step 202, the demodulated signal that the multiple sensor is directed to remote signal feedback is received, and, gather institute
State images to be recognized when multiple signal lamp sources are directed to the lamp source control signal bright light；The images to be recognized include with it is described
The corresponding multiple images region of multiple signal lamp sources.
Signal acquisition and detection module in detection device can collect the demodulated signal of multiple sensors respectively.Signal
The process chip of collection and detection module can control image capture device in special time, be carried out for the signal lamp source of bright light
Image Acquisition, is then sent the image collected to client terminal by USB interface.
Step 203, the demodulated signal is detected, and, identify the images to be recognized.
Alternatively, the step of detection demodulated signal, can specifically include：
Sub-step S11, from the demodulated signal of the multiple sensor, extracts the demodulation letter of at least one sensor successively
Number；
Sub-step S12, judges whether the demodulated signal of at least one sensor matches with the standard demodulation signal；
If so, then perform sub-step S13；If it is not, then perform sub-step S14；
Sub-step S13, judges that the demodulated signal of at least one sensor is normal；
Sub-step S14, judges that the demodulated signal of at least one sensor is abnormal.
In specific implementation, above-mentioned signal acquisition and detection module, may further include signal switching submodule and place
Manage chip.Wherein, signal switching submodule is used to switch IR signals (Infrared Radiation, infrared signal).Handle core
Piece can be by multichannel GPIO interface (General Purpose Input Output, universal input/output), and control signal is cut
Submodule is changed by the demodulated signal of multiple sensors, is in turn switched in process chip, process chip is then by the demodulation of input
Signal judges whether both match compared with standard demodulation signal.If both error within a certain error range, is recognized
To be matching, show that the demodulated signal is normal, be otherwise abnormal.Wherein, demodulated signal is one group of analog signal, can be by its turn
Change digital signal into, then matched with standard signal.
Alternatively, the lamp source control signal has a default standard picture, the standard picture include with it is the multiple
The step of corresponding multiple standard picture regions of signal lamp source, the identification images to be recognized, it can specifically include：
Sub-step S21, from described multiple images region, extracts at least one image-region successively；
Sub-step S22, will correspond to same signal lamp source at least one image-region and the standard picture
Standard picture region is compared；
Sub-step S23, if matching between the two, judges that at least one image-region is normal；
Sub-step S24, if mismatching between the two, judges that at least one image-region is abnormal.
The client terminal of detection device can be directed to some lamp source control signal preset standard image, which can be with
Be multiple normal signal lamp sources carries out acquired image after bright light according to the instruction of some lamp source control signal.
Multiple images region in images to be recognized can be extracted one or more figures by the client terminal of detection device
As region, by it compared with corresponding to one or more standard picture regions of same signal lamp source in standard picture.Than
Compared with mode can have it is a variety of, for example, comparing the color of image and/or brightness of image of two image-regions.If color of image and/
Or the error of brightness of image is in error range, then it is assumed that is matched between two image-regions, otherwise then thinks to mismatch.
For with the unmatched image-region in standard picture region, it is possible to determine that the image-region is abnormal.
Step 204, when some demodulated signal exception, position of the corresponding sensor on the printed circuit board is positioned,
And some image-region exception when the images to be recognized, corresponding signal lamp source is positioned on the printed circuit board
Position.
Alternatively, the multiple sensor has corresponding multiple sensor numbers, the multiple sensor number respectively
There is correspondence with multiple positions on the printed circuit board, it is described to position corresponding sensor in the printed circuit board
On position the step of, including：
Sub-step S31, obtains the sensor number of the sensor of demodulated signal exception；
Sub-step S32, inquires about the sensor number corresponding position on the printed circuit board, as demodulated signal
Position of the abnormal sensor on the printed circuit board.
In practical application, detection device can be according to the order of sensor number, and the demodulation for corresponding sensor is believed
Number it is detected.When some demodulated signal exception, then corresponding sensor number can be determined.When detecting multiple demodulated signals
It is abnormal, then, and it is possible to according to the plurality of sensor number, it can be determined with corresponding multiple sensor numbers under respective record
The position of fault sensor on a printed circuit board.
Alternatively, the multiple signal lamp source has a corresponding multiple lamp sources numbering respectively, the multiple lamp source numbering with
Multiple positions on the printed circuit board have correspondence, described to position corresponding signal lamp source in the printed circuit board
On position the step of, can specifically include：
Sub-step S41, obtains fault-signal lamp source corresponding with abnormal image-region；
Sub-step S42, obtains the lamp source numbering of the fault-signal lamp source；
Sub-step S43, the lamp source for inquiring about the fault-signal lamp source number the corresponding position on the printed circuit board,
As position of the fault-signal lamp source on the printed circuit board.
In practical application, when having determined that one or more image-regions are abnormal, it may be determined that one or more exception
Signal lamp source corresponding to image-region, as fault-signal lamp source.Numbered according to the lamp source of signal lamp source, then can determine event
Hinder the position of signal lamp source on a printed circuit board.Client terminal can record the position, to carry out fault cues.
Step 205, Fisrt fault prompt message is generated, and, generate the second fault cues information；The Fisrt fault carries
Show the sensor of information including demodulated signal exception position on a printed circuit board；The second fault cues information
Position of the signal lamp source on the printed circuit board corresponding to image-region including exception.
In the specific implementation, can be using the position of fault sensor on a printed circuit board as fault cues information, Xiang Jian
Survey personnel show fault cues information, and thus, testing staff can learn the position residing for fault sensor on the printed circuit board
Put.When it is implemented, a client terminal can be set, when all sensors detection qualification on the printed circuit board, then exist
Prompting detection is qualified on client terminal.When there are faulty sensor, can showing that fault sensor exists on client terminal
Position and fault type on printed circuit board.
In the specific implementation, can using the position of fault-signal lamp source on a printed circuit board as fault cues information, to
Testing staff shows fault cues information, and thus, testing staff can be learnt on the printed circuit board residing for fault-signal lamp source
Position.When it is implemented, when all sensors on the printed circuit board detect qualified, the then prompting detection on client terminal
It is qualified.When there are fault-signal lamp source, the position of fault-signal lamp source on a printed circuit board can be shown on client terminal
Put and fault type.
Embodiment three
Fig. 4 is a kind of step flow chart of the detection method of sensor of the embodiment of the present invention three, and the sensor has
Multiple, the multiple sensor is respectively welded on multiple positions of printed circuit board, and the method can specifically include as follows
Step：
Step 301, remote signal is sent for the multiple sensor.
Step 302, the demodulated signal that the multiple sensor is directed to remote signal feedback is received.
Step 303, the demodulated signal is detected, when some demodulated signal exception, positions corresponding sensor in the print
Position on circuit board processed.
According to embodiments of the present invention, by sending remote signal for multiple sensors on printed circuit board, receive and pass
The demodulated signal of sensor feedback, when demodulated signal is abnormal, according to abnormal demodulated signal positioning fault sensor in printing electricity
Position on the plate of road, so that without testing staff by printed circuit board scoreboard into multiple individually after sensors again one by one into pedestrian
Work detects, and saves manpower and time, improves detection efficiency.It is additionally, since and identical work is largely repeated without testing staff
Make, it is not easy to cause to judge by accident, improve Detection accuracy.
Example IV
Fig. 5 is a kind of step flow chart of the detection method of signal lamp source of the embodiment of the present invention four, the signal lamp source
With multiple, the multiple signal lamp source is respectively welded on multiple positions of printed circuit board, and the method can specifically wrap
Include following steps：
Step 401, lamp source control signal is sent to the multiple signal lamp source.
Step 402, images to be recognized when the multiple signal lamp source is directed to the lamp source control signal bright light is gathered；Institute
Stating images to be recognized includes multiple images region corresponding with the multiple signal lamp source.
Step 403, the images to be recognized is identified, when some image-region exception of the images to be recognized, positioning pair
Position of the signal lamp source answered on the printed circuit board.
According to embodiments of the present invention, by sending lamp source control signal for multiple signal lamp sources on printed circuit board,
Image is gathered when multiple signal lamp sources are directed to lamp source control signal bright light, identifies image-region abnormal in image, it is fixed accordingly
The position of position fault-signal lamp source on a printed circuit board.So as to without testing staff by printed circuit board scoreboard into it is multiple individually
Signal lamp source after carry out artificial detection one by one again, save manpower and time, improve detection efficiency.Being additionally, since need not
Testing staff largely repeats identical work, it is not easy to causes to judge by accident, improves Detection accuracy.
Embodiment five
Fig. 6 is a kind of step flow chart of the detection method of sensor of the embodiment of the present invention five, and the sensor has
Multiple, the multiple sensor is respectively welded on multiple positions of printed circuit board, and the method can specifically include as follows
Step：
Step 501, remote signal is received；
Step 502, for the remote signal feedback demodulation signal；The demodulated signal is used for when occurring abnormal, fixed
Position of the corresponding sensor in position on the printed circuit board.
The detection method that the embodiment of the present invention is provided, can be applied on sensor.The sensor can receive detection
The remote signal that device is sent, and reconcile the remote signal and obtain demodulated signal.The sensor can be anti-by the demodulated signal
Detection device is fed to, so that, detection device positions the sensor on a printed circuit board when detecting demodulated signal exception
Position.
According to embodiments of the present invention, after sensor receives remote signal, to detection device feedback demodulation signal, filled in detection
Put when detecting demodulated signal exception, according to the position of abnormal demodulated signal positioning fault sensor on a printed circuit board,
So as to which printed circuit board scoreboard is individually carried out artificial detection one by one again after sensors into multiple without testing staff, save
Manpower and time, improve detection efficiency.It is additionally, since and identical work is largely repeated without testing staff, it is not easy to causes
Erroneous judgement, improves Detection accuracy.
Embodiment six
Fig. 7 is a kind of step flow chart of the detection method of signal lamp source of the embodiment of the present invention six, the signal lamp source
With multiple, the multiple signal lamp source is respectively welded on multiple positions of printed circuit board, and the method can specifically wrap
Include following steps：
Step 601, lamp source control signal is received；
Step 602, bright light is carried out for the lamp source control signal；The signal lamp source carries out bright light and is used to be directed to bright light
When signal lamp source collection images to be recognized, and when some image-region of the images to be recognized is abnormal, position corresponding letter
Position of the signal lamp source on the printed circuit board.
The detection method that the embodiment of the present invention is provided, can be applied in signal lamp source.The signal lamp source can receive
The lamp source control signal that detection device is sent, and bright light is carried out according to lamp source control signal.Detection device can be directed to bright light
Signal lamp source carries out Image Acquisition, when in the image in collection, identifying the image-region exception corresponding to the signal lamp source,
The position of signal lamp source on a printed circuit board can be positioned.
According to embodiments of the present invention, signal lamp source is according to lamp source control signal bright light, the letter for detection device for bright light
Signal lamp source gathers image, and in image-region abnormal during detection device identifies image, positioning fault-signal lamp source is being printed
Position on circuit board, thus without testing staff by printed circuit board scoreboard into after multiple individually signal lamp sources again one by one into
Row artificial detection, saves manpower and time, improves detection efficiency.Be additionally, since largely repeated without testing staff it is identical
Work, it is not easy to cause to judge by accident, improve Detection accuracy.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action group
Close, but those skilled in the art should know, the embodiment of the present invention and from the limitation of described sequence of movement, because according to
According to the embodiment of the present invention, some steps can use other orders or be carried out at the same time.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented
Necessary to example.
Embodiment seven
Fig. 8 is a kind of structure diagram of the detection device of printed circuit board of the embodiment of the present invention seven, the printed circuit
Plate includes multiple sensors and multiple signal lamp sources, and the multiple sensor and the multiple signal lamp source are respectively welded at described
On multiple positions of printed circuit board, described device can specifically include following module：
Signal transmitting module 701, for sending remote signal for the multiple sensor, and, to the multiple letter
Signal lamp source sends lamp source control signal；
Signal receives and image capture module 702, is fed back for receiving the multiple sensor for the remote signal
Demodulated signal, and, gather images to be recognized when the multiple signal lamp source is directed to the lamp source control signal bright light；Institute
Stating images to be recognized includes multiple images region corresponding with the multiple signal lamp source；
Signal detection and picture recognition module 703, for detecting the demodulated signal, and, identify the figure to be identified
Picture；
Locating module 704, for when some demodulated signal exception, positioning corresponding sensor on the printed circuit board
Position, and, when some image-region of the images to be recognized is abnormal, position corresponding signal lamp source in the printing electricity
Position on the plate of road.
According to embodiments of the present invention, on the one hand, by sending remote signal for multiple sensors on printed circuit board,
The demodulated signal of receiving sensor feedback, when demodulated signal is abnormal, exists according to abnormal demodulated signal positioning fault sensor
Position on printed circuit board.On the other hand, by sending lamp source control letter for multiple signal lamp sources on printed circuit board
Number, image is gathered when multiple signal lamp sources are directed to lamp source control signal bright light, identifies image-region abnormal in image, accordingly
Position the position of fault-signal lamp source on a printed circuit board.So as to without testing staff by printed circuit board scoreboard into multiple
Artificial detection is carried out one by one again after single sensor, also individually believes printed circuit board scoreboard into multiple without testing staff
Carry out artificial detection behind signal lamp source one by one again, save manpower and time, improve detection efficiency.Being additionally, since need not detection
Personnel largely repeat identical work, it is not easy to cause to judge by accident, improve Detection accuracy.
Embodiment eight
Fig. 9 is a kind of structure diagram of the detection device of printed circuit board of the embodiment of the present invention eight, the printed circuit
Plate includes multiple sensors and multiple signal lamp sources, and the multiple sensor and the multiple signal lamp source are respectively welded at described
On multiple positions of printed circuit board, described device can specifically include following module：
Signal transmitting module 801, for sending remote signal for the multiple sensor, and, to the multiple letter
Signal lamp source sends lamp source control signal；
Signal receives and image capture module 802, is fed back for receiving the multiple sensor for the remote signal
Demodulated signal, and, gather images to be recognized when the multiple signal lamp source is directed to the lamp source control signal bright light；Institute
Stating images to be recognized includes multiple images region corresponding with the multiple signal lamp source；
Signal detection and picture recognition module 803, for detecting the demodulated signal, and, identify the figure to be identified
Picture；
Locating module 804, for when some demodulated signal exception, positioning corresponding sensor on the printed circuit board
Position, and, when some image-region of the images to be recognized is abnormal, position corresponding signal lamp source in the printing electricity
Position on the plate of road.
Fault cues information generating module 805, for generating Fisrt fault prompt message, and, the second failure of generation carries
Show information；The sensor of the Fisrt fault prompt message including demodulated signal exception position on a printed circuit board
Put；The second fault cues information is including the signal lamp source corresponding to abnormal image-region on the printed circuit board
Position.
Alternatively, described device can further include：
Standard demodulation signal acquisition module, for obtaining standard demodulation signal；
Modulation treatment module, for being modulated processing to the standard demodulation signal, obtains the remote signal.
Alternatively, the signal detection and picture recognition module 803, can specifically include：
Demodulated signal extracting sub-module, for from the demodulated signal of the multiple sensor, extracting successively at least one
The demodulated signal of sensor；
Signal Matching judging submodule, for the demodulated signal for judging at least one sensor and the standard demodulation
Whether signal matches；
The normal decision sub-module of signal, the demodulated signal for judging at least one sensor are normal；
Abnormal signal decision sub-module, the demodulated signal for judging at least one sensor are abnormal.
Alternatively, the lamp source control signal has a default standard picture, the standard picture include with it is the multiple
The corresponding multiple standard picture regions of signal lamp source, the signal detection and picture recognition module 803, can specifically wrap
Include：
Image-region extracting sub-module, for from described multiple images region, extracting at least one image-region successively；
Image-region comparison sub-module, it is same for will correspond at least one image-region and the standard picture
The standard picture region of one signal lamp source is compared；
The normal decision sub-module of image-region, if for matching between the two, judges at least one image-region
Normally；
Image-region unusual determination submodule, if for mismatching between the two, judges at least one image district
Domain is abnormal.
Alternatively, the multiple sensor has corresponding multiple sensor numbers, the multiple sensor number respectively
There is correspondence with multiple positions on the printed circuit board, the locating module 804, can specifically include：
Sensor number acquisition submodule, the sensor number of the sensor for obtaining demodulated signal exception；
Submodule is inquired about in first position, for inquiring about the sensor number corresponding position on the printed circuit board
Put, position of the sensor as demodulated signal exception on the printed circuit board.
Alternatively, the multiple signal lamp source has a corresponding multiple lamp sources numbering respectively, the multiple lamp source numbering with
Multiple positions on the printed circuit board have correspondence, and the locating module 804, can specifically include：
Fault-signal lamp source acquisition submodule, for obtaining fault-signal lamp source corresponding with abnormal image-region；
Lamp source numbering acquisition submodule, the lamp source for obtaining the fault-signal lamp source are numbered；
Submodule is inquired about in the second place, and the lamp source for inquiring about the fault-signal lamp source is numbered in the printed circuit board
Upper corresponding position, as position of the fault-signal lamp source on the printed circuit board.
For device embodiment, since it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Embodiment nine
Figure 10 is a kind of structure diagram of detecting system of the embodiment of the present invention nine, the system 900 include frock 910,
Signal acquisition and detection module 920 and client terminal 930；
The frock 910, including stent 911, multiple contact pilotages 912, remote signal transmitting module 913 and image capture device
914；
The stent 911, for fixing printed circuit board 940；Welded respectively on multiple positions of the printed circuit board 940
Connect multiple sensors 941 and multiple signal lamp sources 942；The multiple sensor 941 is used to believe for remote signal feedback demodulation
Number；The multiple signal lamp source 942 is used to be directed to lamp source control signal bright light；
The multiple contact pilotage 912, for the multiple sensor 941 and be that multiple signal lamp sources 942 are powered, and,
For sending the demodulated signal of the multiple sensor 941 to the signal acquisition and detection module 920；
The remote signal transmitting module 913, the standard demodulation for receiving the signal acquisition and detection module 920 are believed
Number, by the standard demodulation signal modulation be remote signal, and send the remote signal to the multiple sensor 941；
Described image collecting device 914, for gathering images to be recognized during the multiple 942 bright light of signal lamp source, with
And for sending the images to be recognized to the client terminal 930；
The signal acquisition and detection module 920, including signal switching submodule 921 and process chip 922；
The signal switching submodule 921, for multiple demodulated signals to be switched to the process chip 922 successively；
The process chip 922, for sending the standard demodulation signal to the remote signal transmitting module 913, with
And for sending the lamp source control signal to the multiple signal lamp source 942；
The process chip 922, is additionally operable to detect the demodulated signal, and when some demodulated signal is abnormal, positioning is corresponding
Position of the sensor on the printed circuit board 940；
The client terminal 930, for identifying the images to be recognized, when some image-region of the images to be recognized
It is abnormal, position position of the corresponding signal lamp source on the printed circuit board 940.
Wherein, between the client terminal 930 and the process chip 922, serial ports of computers UART can be passed through
(Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) connects.
Wherein, the process chip 922 can be connected by GPIO interface with the remote signal transmitting module 913.
Wherein, described image collecting device 914 can be connected by USB interface with client terminal 930.
Wherein, above-mentioned remote signal can be the IR signals of 38K.
According to embodiments of the present invention, by sending remote signal for multiple sensors on printed circuit board, and, pin
Multiple signal lamp sources on printed circuit board are sent with lamp source control signal, the demodulated signal of receiving sensor feedback and more
A signal lamp source gathers image when being directed to lamp source control signal bright light, is being printed according to abnormal demodulated signal positioning fault sensor
Position on circuit board processed, and, fault-signal lamp source is positioned in printed circuit according to image-region abnormal in identification image
Position on plate, so that without testing staff by printed circuit board scoreboard into after multiple individually sensors and signal lamp sources, then
Artificial detection is carried out one by one, saves manpower and time, improves detection efficiency.It is additionally, since and is largely weighed without testing staff
The same work of complex phase, it is not easy to cause to judge by accident, improve Detection accuracy.
For system embodiment, since it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can use complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can use one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be with reference to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that it can realize flowchart and/or the block diagram by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in flow and/or square frame combination.These can be provided
Computer program instructions are set to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that is held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced and is used for realization in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device for the function of specifying.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing terminal equipments
In the computer-readable memory to work in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, which realizes in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so that
The instruction performed on computer or other programmable terminal equipments is provided and is used for realization in one flow of flow chart or multiple flows
And/or specified in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make these embodiments other change and modification.So appended claims are intended to be construed to
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements are not only wrapped
Those key elements are included, but also including other elements that are not explicitly listed, or further include as this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, wanted by what sentence "including a ..." limited
Element, it is not excluded that also there are other identical element in the process including the key element, method, article or terminal device.
Above to a kind of method and apparatus of system upgrade provided by the present invention, it is described in detail, herein should
The principle of the present invention and embodiment are set forth with specific case, the explanation of above example is only intended to help to manage
Solve the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention,
There will be changes in embodiment and application range, in conclusion this specification content should not be construed as to this hair
Bright limitation.
Claims (10)
1. a kind of detection method of printed circuit board, the printed circuit board includes multiple sensors and multiple signal lamp sources, institute
State multiple sensors and the multiple signal lamp source is respectively welded on multiple positions of the printed circuit board, the method bag
Include：
Remote signal is sent for the multiple sensor, and, send lamp source control signal to the multiple signal lamp source；
The demodulated signal that the multiple sensor is directed to remote signal feedback is received, and, gather the multiple signal lamp
Source is directed to the images to be recognized during lamp source control signal bright light；The images to be recognized includes and the multiple signal lamp source
Corresponding multiple images region；
The demodulated signal is detected, and, identify the images to be recognized；
When some demodulated signal exception, position of the corresponding sensor on the printed circuit board is positioned, and, treated when described
Identify that some image-region of image is abnormal, position position of the corresponding signal lamp source on the printed circuit board.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
Generate Fisrt fault prompt message；The Fisrt fault prompt message is included where the sensor of demodulated signal exception
Position on printed circuit board；
Generate the second fault cues information；The second fault cues information includes the signal lamp corresponding to abnormal image-region
Position of the source on the printed circuit board.
3. according to the method described in claim 1, it is characterized in that, remote signal is sent for the multiple sensor described
The step of before, the method further includes：
Obtain standard demodulation signal；
Processing is modulated to the standard demodulation signal, obtains the remote signal.
4. according to the method described in claim 3, it is characterized in that, it is described detection the demodulated signal the step of, including：
From the demodulated signal of the multiple sensor, the demodulated signal of at least one sensor is extracted successively；
Judge whether the demodulated signal of at least one sensor matches with the standard demodulation signal；
If so, then judge that the demodulated signal of at least one sensor is normal；
If it is not, then judge that the demodulated signal of at least one sensor is abnormal.
5. according to the method described in claim 4, it is characterized in that, the multiple sensor has corresponding multiple sensings respectively
Device is numbered, and the multiple sensor number has correspondence, the positioning pair with multiple positions on the printed circuit board
The sensor answered the position on the printed circuit board the step of, including：
Obtain the sensor number of the sensor of demodulated signal exception；
The sensor number corresponding position on the printed circuit board is inquired about, the sensor as demodulated signal exception exists
Position on the printed circuit board.
6. according to the method described in claim 1, it is characterized in that, the multiple signal lamp source has corresponding multiple lamps respectively
Source is numbered, and the multiple lamp source numbering has correspondence with multiple positions on the printed circuit board, and the positioning corresponds to
Signal lamp source the position on the printed circuit board the step of, including：
Obtain fault-signal lamp source corresponding with abnormal image-region；
Obtain the lamp source numbering of the fault-signal lamp source；
The lamp source for inquiring about the fault-signal lamp source numbers the corresponding position on the printed circuit board, believes as the failure
Position of the signal lamp source on the printed circuit board.
7. according to the method described in claim 1, it is characterized in that, the lamp source control signal has default standard picture,
The standard picture includes multiple standard picture regions corresponding with the multiple signal lamp source, waiting to know described in the identification
The step of other image, including：
From described multiple images region, at least one image-region is extracted successively；
To correspond at least one image-region and the standard picture standard picture region of same signal lamp source into
Row compares；
If matching between the two, judge that at least one image-region is normal；
If mismatching between the two, judge that at least one image-region is abnormal.
8. a kind of detection device of printed circuit board, the printed circuit board includes multiple sensors and multiple signal lamp sources, institute
State multiple sensors and the multiple signal lamp source is respectively welded on multiple positions of the printed circuit board, described device bag
Include：
Signal transmitting module, for sending remote signal for the multiple sensor, and, sent out to the multiple signal lamp source
Go out lamp source control signal；
Signal receives and image capture module, for receiving demodulation letter of the multiple sensor for remote signal feedback
Number, and, gather images to be recognized when the multiple signal lamp source is directed to the lamp source control signal bright light；It is described to be identified
Image includes multiple images region corresponding with the multiple signal lamp source；
Signal detection and picture recognition module, for detecting the demodulated signal, and, identify the images to be recognized；
Locating module, for when some demodulated signal it is abnormal, position position of the corresponding sensor on the printed circuit board,
And some image-region exception when the images to be recognized, corresponding signal lamp source is positioned on the printed circuit board
Position.
9. device according to claim 8, it is characterised in that described device further includes：
Fisrt fault prompt message generation module, for generating Fisrt fault prompt message；The Fisrt fault prompt message bag
Include the sensor of the demodulated signal exception position on a printed circuit board；
Second fault cues information generating module, for generating the second fault cues information；The second fault cues packet
Include position of the signal lamp source on the printed circuit board corresponding to abnormal image-region.
10. a kind of detecting system, it is characterised in that the system comprises frock, signal acquisition and detection module and client terminal；
The frock, including stent, multiple contact pilotages, remote signal transmitting module and image capture device；
The stent, for fixing printed circuit board；Multiple sensors are respectively welded on multiple positions of the printed circuit board
With multiple signal lamp sources；The multiple sensor is used to be directed to remote signal feedback demodulation signal；The multiple signal lamp source is used
In for lamp source control signal bright light；
The multiple contact pilotage, for the multiple sensor and be that multiple signal lamp sources are powered, and, for will be the multiple
The demodulated signal of sensor is sent to the signal acquisition and detection module；
The remote signal transmitting module, for receiving the standard demodulation signal of the signal acquisition and detection module, by described in
Standard demodulation signal modulation is remote signal, and sends the remote signal to the multiple sensor；
Described image collecting device, for gathering images to be recognized during the multiple signal lamp source bright light, and, for by institute
Images to be recognized is stated to send to the client terminal；
The signal acquisition and detection module, including signal switching submodule and process chip；
The signal switching submodule, for multiple demodulated signals to be switched to the process chip successively；
The process chip, for sending the standard demodulation signal to the remote signal transmitting module, and, for institute
State multiple signal lamp sources and send the lamp source control signal；
The process chip, is additionally operable to detect the demodulated signal, when some demodulated signal exception, positions corresponding sensor and exists
Position on the printed circuit board；
The client terminal, it is fixed when some image-region exception of the images to be recognized for identifying the images to be recognized
Position of the corresponding signal lamp source in position on the printed circuit board.
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| CN201710980420.4A CN107907820A (en) | 2017-10-19 | 2017-10-19 | A kind of detection method of printed circuit board, device and detecting system |
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| CN201710980420.4A CN107907820A (en) | 2017-10-19 | 2017-10-19 | A kind of detection method of printed circuit board, device and detecting system |
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| CN113325299A (en) * | 2021-05-27 | 2021-08-31 | 山东英信计算机技术有限公司 | Quality inspection method for PCBA (printed circuit board assembly) and related components thereof |
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