CN108391217A - Wireless headset automatic test approach and test system - Google Patents
Wireless headset automatic test approach and test system Download PDFInfo
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- CN108391217A CN108391217A CN201810049035.2A CN201810049035A CN108391217A CN 108391217 A CN108391217 A CN 108391217A CN 201810049035 A CN201810049035 A CN 201810049035A CN 108391217 A CN108391217 A CN 108391217A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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Abstract
The present invention discloses a kind of wireless headset automatic test approach and test system, including step：Step S1, audio signal is sent；Step S2, the audio signal is received, and operation is modulated to the audio signal, obtains radiofrequency signal, and send radiofrequency signal；Step S3, the radiofrequency signal is received, and after carrying out demodulation operation to the radiofrequency signal, exports analog signal；Step S4, the analog signal is acquired, and the analog signal is handled, obtains present video parameter value；Step S5, the present video parameter value is compared with the preset audio parameter value, according to whether meeting preset condition, obtains test result.The wireless headset automatic test approach and test system of the present invention, the test process automation degree is high, test result can be directly displayed, obtain test parameter, and be automatically performed test report, can real-time statistics go out test status, it is simple to operate, working strength is greatly reduced, testing efficiency is improved.
Description
Technical field
The present invention relates to a kind of test modules, more particularly to a kind of wireless headset automatic test approach and test system.
Background technology
Wireless headset generally refers to the earphone system of infrared transmitted signal, cordless headphone refer to passing using radio wave
The earphone system of defeated signal.The working frequency of infrared earphone is from several KHz to several MHz, about 10 meters of effective distance, and earphone will be can
Depending in range；Radio earphone working frequency be VHF 130MHz-200 MHz, UHF 450MHz-900MHz, it is most of wireless
Earphone is operated in UHF, can transmission range up to 100 meters, can be with cut-through object.Two secondary or more secondary wireless/cordless headphones may
It interferes with each other, the kind that multiple working frequencies are preferably selected when so selecting them is operated in cordless headphone
UHF may be small than what is be disturbed on VHF.Both earphones all have powerful connections noise, and the model of higher gears all uses reduction
The technology of noise.
Radio headpiece tests PCBA unit for electrical property parameters：Output power, signal-to-noise ratio, the distortion factor, separating degree, reception
Sensitivity, maximum operating currenbt, minimum working current, standby current, residual noise, maximum grunt, squelch level and frequency are rung
It answers.It needs to complete to stir test chassis 8 and toggle switch more than 12 times back and forth in existing test machine, alternatively, test equipment
PCBA unit for electrical property parameters is tested in input and output signal needed for switching, test operation complexity, great work intensity, easy to be tired
Labor causes the test of radio headpiece unstable；Also, new test man is slow with one's hands in study, the output of manual test no data,
It is complete to see that machinery instrument judges by test man, therefore, cause testing efficiency low.
Invention content
The purpose of the present invention is overcoming shortcoming in the prior art, providing a kind of can realize automatic test, operation
The wireless headset automatic test approach and test system simple and convenient, testing efficiency is high.
The purpose of the present invention is achieved through the following technical solutions：
A kind of wireless headset automatic test approach, includes the following steps：
S1, audio signal is sent；
S2, the audio signal is received, and operation is modulated to the audio signal, obtain radiofrequency signal, and send
Radiofrequency signal；
S3, the radiofrequency signal is received, and after carrying out demodulation operation to the radiofrequency signal, exports analog signal；
S4, the acquisition analog signal, and the analog signal is handled, obtain present video parameter value；
S5, the present video parameter value is compared with the preset audio parameter value, according to whether meeting default
Condition obtains test result.
In one embodiment of the present embodiment, the present video parameter value specifically includes current output power value, current
Snr value, be currently distorted angle value, currently detach angle value, current receiving sensitivity residual noise value, current maximum grunt value, when
Preceding squelch level value and current frequency response.
In one embodiment of the present embodiment, the preset audio parameter value specifically includes default output power value, presets
Snr value presets distortion angle value, default separation angle value, default receiving sensitivity residual noise value, presets maximum grunt value, is pre-
If squelch level value and predeterminated frequency response.
In one embodiment of the present embodiment, the current output power value, described works as slip at the current SNR value
It is true angle value, the current separation angle value, the current receiving sensitivity residual noise value, the current maximum grunt value, described
It is current squelch level value and the current frequency response and the default output power value, the default snr value, described
Default distortion angle value, the default separation angle value, the default receiving sensitivity residual noise value, the default maximum grunt
Value, the default squelch level value and predeterminated frequency response one-to-one correspondence are compared.
Further include following steps after the step S5 in one embodiment of the present embodiment：Connect DCPS digitally controlled power source mould
Block, the DCPS digitally controlled power source module obtain the current signal of test module, and export the current signal.
In one embodiment of the present embodiment, the current signal includes the operating current and standby current of test module.
In one embodiment of the present embodiment, the test result and the current signal are exported to host computer, it is described on
Position machine is for showing the test result received and the current signal.
The present invention also provides a kind of wireless headset Auto-Test Systems, including：Audio output module, radio frequency output module and
Test module,
The audio output module is for sending audio signal；
The radio frequency output module will and be modulated operation for receiving the audio signal to the audio signal,
It is converted to obtain radiofrequency signal, and sends out transmission radiofrequency signal；
The test module is for receiving the radiofrequency signal, and after carrying out demodulation operation to the radiofrequency signal, output
Analog signal；
The audio output module is additionally operable to acquire the analog signal, and handles the analog signal, obtains
Present video parameter value；
The test module is additionally operable to the present video parameter value being compared with the preset audio parameter value, root
According to whether preset condition is met, test result is obtained.
Further include host computer in one embodiment of the present embodiment, the host computer is electrically connected with the audio output module
It connects.
Further include DCPS digitally controlled power source module in one embodiment of the present embodiment, the DCPS digitally controlled power source module is distinguished on described
Position machine and test module electrical connection.
Compared with prior art, the present invention has at least the following advantages：
The wireless headset automatic test approach and test system of the present invention, by directly inputting audio signal, and by turning
After changing, analog signal is exported by test module, so as to by determining audio frequency parameter in analog signal, and output test result.
The test process automation degree is high, can directly display test result, obtain test parameter, and be automatically performed test report,
Can real-time statistics go out test status, it is simple to operate, greatly reduce working strength, improve testing efficiency.
Description of the drawings
Fig. 1 is the flow chart of the wireless headset automatic test approach of one embodiment of the invention；
Fig. 2 is the functional block diagram of the wireless headset Auto-Test System of one embodiment of the invention.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant Listed Items.
In one embodiment, need to complete to stir test chassis 8 and toggle switch 12 back and forth in existing test machine
Repeatedly, alternatively, PCBA unit for electrical property parameters, test operation complexity, work are tested in input and output signal needed for test equipment switching
It is big, easy to be tired to make intensity, causes the test of radio headpiece inaccurate；Also, new test man is slow with one's hands in study, manually
No data output is tested, it is complete to see that machinery instrument judges by test man, therefore, cause testing efficiency low.For example, a kind of wireless ear
Machine automatic test approach, including：S1, audio signal is sent；S2, the audio signal is received, and the audio signal is carried out
Modulation operations obtain radiofrequency signal, and send radiofrequency signal；S3, the radiofrequency signal is received, and the radiofrequency signal is carried out
After demodulation operation, analog signal is exported；S4, the acquisition analog signal, and the analog signal is handled, it obtains current
Audio frequency parameter value；S5, the present video parameter value is compared with the preset audio parameter value, according to whether meeting pre-
If condition obtains test result.The wireless headset automatic test approach and test system of the present invention, by directly inputting audio letter
Number, and by conversion after, analog signal is exported by test module, it is and defeated so as to by determining audio frequency parameter in analog signal
Go out test result.The test process automation degree is high, can directly display test result, obtains test parameter, and automatic complete
At test report, can real-time statistics go out test status, it is simple to operate, greatly reduce working strength, improve test effect
Rate.
In order to preferably be illustrated to above-mentioned wireless headset automatic test approach and test system, on more fully understanding
It states wireless headset automatic test approach and tests the design of system, referring to Fig. 1, it is the wireless headset of one embodiment of the invention
The flow chart of automatic test approach, shown wireless headset automatic test approach include the following steps：
S1, audio signal is sent；In the present embodiment, the audio signal is the standard needed for audio frequency parameter test
Audio signal.
S2, the audio signal is received, and operation is modulated to the audio signal, obtain radiofrequency signal, and send
Radiofrequency signal.
S3, the radiofrequency signal is received, and after carrying out demodulation operation to the radiofrequency signal, exports analog signal.
S4, the acquisition analog signal, and the analog signal is handled, obtain present video parameter value.
S5, the present video parameter value is compared with the preset audio parameter value, according to whether meeting default
Condition obtains test result.
Wireless headset automatic test approach provided by the invention is simple to operate, easy to implement, by directly inputting sound
Frequency signal, and by conversion after, analog signal is exported by test module, so as to by analog signal determine audio frequency parameter,
And output test result.The test process automation degree is high, can directly display test result, obtains test parameter, and certainly
It is dynamic to complete test report, can real-time statistics go out test status, greatly reduce working strength, improve testing efficiency.
In the present embodiment, the present video parameter value specifically include current output power value, current SNR value, when
Preceding distortion angle value currently detaches angle value, current receiving sensitivity residual noise value, current maximum grunt value, current squelch level
Value and current frequency response.The preset audio parameter value specifically includes default output power value, default snr value, presets
It is distorted angle value, default separation angle value, default receiving sensitivity residual noise value, default maximum grunt value, default squelch level value
With predeterminated frequency response.The current output power value, the current distortion angle value, described is worked as the current SNR value
Preceding separation angle value, the current receiving sensitivity residual noise value, the current maximum grunt value, the current squelch level value
With the current frequency response and the default output power value, the default snr value, the default distortion angle value, institute
State default separation angle value, the default receiving sensitivity residual noise value, the default maximum grunt value, the default noise elimination electricity
Level values and predeterminated frequency response one-to-one correspondence are compared.In this way, comparing present video parameter value by one-to-one correspondence
With preset audio parameter value, it can judge whether the audio frequency parameter of the PCBA outputs of wireless headset meets preset audio parameter in time
Value shows the audio frequency parameter for comparing item by test, otherwise, then shows that the audio frequency parameter for comparing item does not pass through survey if meeting
Examination can improve test speed, and without thinking judge whether that test passes through by the comparison process of setting automation,
The efficiency of test is improved, simple to operate, the measuring stability of earphone is good, and improves the accuracy of test.
In one embodiment, in the step S5, carry out judging to specifically include according to whether meeting the preset condition
Following steps：By the current output power value, the current SNR value, the current distortion angle value, the current separation
Angle value, the current receiving sensitivity residual noise value, the current maximum grunt value, the current squelch level value and described
Current frequency response and the default output power value, the default distortion angle value, described are preset the default snr value
Detach angle value, the default receiving sensitivity residual noise value, the default maximum grunt value, the default squelch level value and
The predeterminated frequency response one-to-one correspondence is compared.
It should be noted that the default output power value is default output power range value, default snr value is pre-
If SNR ranges value, default distortion angle value are default distortion factor value range, default separation angle value be default separating degree value range,
Default receiving sensitivity residual noise value is default receiving sensitivity residual noise value range, default maximum grunt value is to preset most
Big grunt value range, default squelch level value are default squelch level value range and predeterminated frequency response is predeterminated frequency response
Value range.Specifically, for example, default SNR ranges value is 70dB~120dB, if the test obtained current signal of system
Value is 80dB, then in default SNR ranges value, therefore, it is thus regarded that current SNR value test passes through；If the system of test
Obtained current SNR value is 125dB, then not in default SNR ranges value, therefore, it is thus regarded that current signal
Value test does not pass through.
In one embodiment, further include following steps after the step S5：Numerical control power module is connected, it is described
DCPS digitally controlled power source module obtains the current signal of test module, and exports the current signal.Specifically, the test module is to survey
Try equipment.The current signal includes the operating current and standby current of test module.
It should also be noted that, the present video parameter value further includes current working current value and current idle electric current
Value；The preset audio parameter value further includes default working current value and default standby current value；When acquisition current working current
When value and current idle current value, the current working current value is compared with the default working current value, if described work as
Preceding working current value is then tested system discriminating test and is passed through in the default working current value；If the current working current
Value is then tested system discriminating test and is not passed through not in the default working current value；Similarly, by the current idle current value
It is compared with the default standby current value, if the current idle current value is surveyed in the default standby current value
Test system discriminating test passes through；If the current idle current value is not in the default standby current value, the system of test is sentenced
Location survey examination does not pass through.In this way, test method and system by the way that automation is arranged, can improve testing efficiency, mitigate work people
The operating pressure of member, it is easy to operate, facilitate staff to learn and impart knowledge to students, improves the efficiency of teaching of test method.
In order to enable test result is more intuitive, staff is facilitated to know test result；In one embodiment, the survey
Test result and the current signal are exported to host computer, and the host computer is for showing the test result received and described
Current signal.Preferably, the host computer is computer or human-computer interaction platform.It, can be intuitive and clear by the way that host computer is arranged
Ground shows test result and current signal.For example, when obtaining current working current value and current idle current value, it is described current
Working current value is compared with the default working current value, if the current working current value is in the default operating current
It in value, then tests system discriminating test and passes through, and " PASS " is shown on computer display screen, expression passes through test；If described work as
Preceding working current value is then tested system discriminating test and is not passed through, and in computer display screen not in the default working current value
Upper display " FAILED " indicates that test does not pass through；Similarly, other audio frequency parameters and standby current are worth test not carry out herein
It repeats.In this way, can intuitively be shown by the test result after the test method, staff can also be quick
Ground knows test result.
If should be noted present video parameter value not in preset audio parameter value, but the present video is joined
Numerical value is but very close to the preset audio parameter value, and the current audio frequency parameter value has no effect on the PCBA's of wireless headset
Audio output effect, so as to think that the present video parameter value is effective；Therefore, join to further increase testing audio
The validity of number and current signal, in order to improve wireless headset testing efficiency, in order to more accurately ensure more audio frequency parameters
It can be by test, in order to advanced optimize audio frequency parameter and optimization audio testing method.Preferably, in step
Further include the steps that judging whether to need to trigger secondary comparison after rapid S5, it is described to judge whether to need to trigger secondary comparison
Step specifically includes：If the step of occurring " test does not pass through " in the test result obtained, triggering secondary comparison, otherwise, no
The step of triggering secondary comparison；The step of secondary comparison, specifically includes：S61, acquisition " test do not pass through " present video
Parameter value；S62, judge whether the present video parameter value is more than preset audio parameter value, if so, S63 is thened follow the steps, it is no
Then follow the steps S64；S63, the present video parameter value is compared with superelevation audio parameter threshold, according to whether meeting
First preset condition obtains superelevation comparison result；The superelevation audio parameter threshold specifically includes superelevation output power threshold value, surpasses
High s/n ratio threshold value, superelevation distortion factor threshold value, superelevation separating degree threshold value, superelevation receiving sensitivity residual noise threshold value, superelevation are most
Big grunt threshold value, superelevation squelch level threshold value and ultra-high frequency response lag；The current output power value, the current noise
It is ratio, the current distortion angle value, the current separation angle value, the current receiving sensitivity residual noise value, described current
It is maximum grunt value, the current squelch level value and the current frequency response and the superelevation output power threshold value, described
Superelevation snr threshold, the superelevation distortion factor threshold value, the superelevation separating degree threshold value, superelevation receiving sensitivity residual are made an uproar
Sound threshold value, the superelevation maximum grunt threshold value, the superelevation squelch level threshold value and the ultra-high frequency response lag one are a pair of
It should be compared, if first preset condition, which is the present video parameter value, is less than the superelevation audio parameter threshold,
Superelevation test passes through, and otherwise, test does not pass through；S64, the present video parameter value and ultralow audio frequency parameter threshold are compared
It is right, according to whether meeting the second preset condition, obtain ultralow comparison result；The ultralow audio frequency parameter threshold specifically includes ultralow
Output power value, ultra-low-distortion angle value, ultralow separation angle value, ultralow receiving sensitivity residual noise value, surpasses ultralow snr value
Low maximum grunt value, ultralow squelch level value and ultra low frequency response；The ultralow audio frequency parameter threshold specifically includes ultralow
Output power threshold value, ultralow snr threshold, super-low distortion threshold value, ultralow separating degree threshold value, ultralow receiving sensitivity residual
Noise threshold, ultralow maximum grunt threshold value, ultralow squelch level threshold value and ultra low frequency response lag；The present output power
Value, the current SNR value, the current distortion angle value, the current separation angle value, the current receiving sensitivity residual
Level of noise, the current maximum grunt value, the current squelch level value and the current frequency response with it is described ultralow defeated
Go out power threshold, the ultralow snr threshold, the super-low distortion threshold value, the ultralow separating degree threshold value, described ultralow
Receiving sensitivity residual noise threshold value, the ultralow maximum grunt threshold value, the ultralow squelch level threshold value and the ultralow frequency
Rate response lag one-to-one correspondence is compared, if first preset condition is the present video parameter value less than described ultralow
Audio frequency parameter threshold value, then ultralow test pass through, and otherwise, test does not pass through.In this way, can to improve testing audio parameter and electricity
Flow signal validity, improve wireless headset testing efficiency, more accurately ensure more audio frequency parameters can by test, into
One-step optimization audio frequency parameter and optimization audio testing method.
In order to which further the step of triggering described above secondary comparison, is explained, for example, step S5 it
Afterwards, further include the steps that judging whether to need to trigger secondary comparison, described the step of judging whether to need to trigger secondary comparison has
Body includes：If the step of occurring " test does not pass through " in the test result obtained, triggering secondary comparison, otherwise, does not trigger two
The step of secondary comparison；The step of secondary comparison, specifically includes：S61, acquisition " test do not pass through " present video parameter
Value；S62, judge whether the present video parameter value is more than preset audio parameter value, if so, thening follow the steps S63；Otherwise it holds
Row step S64, the even described present video parameter value are less than preset audio parameter value, then follow the steps S64；S63, work as by described in
Preceding audio frequency parameter value is compared with superelevation audio parameter threshold, according to whether meeting the first preset condition, show that superelevation compares
As a result；S64, the present video parameter value is compared with ultralow audio frequency parameter threshold, according to whether it is default to meet second
Condition obtains ultralow comparison result.By the way that superelevation audio parameter threshold and ultralow audio frequency parameter threshold is further arranged, can incite somebody to action
Present video parameter value not in preset audio parameter value carries out the comparison of primary system so that, will not shadow after comparison
The present video parameter value of the PCBA audio output effects of sound wireless headset is included in test and is passed through, it is believed that the present video parameter
Value is effective, so as to improve test audio frequency parameter validity, improve the product percent of pass of wireless headset PCBA.
It should be noted that the superelevation audio parameter threshold specifically includes superelevation output power threshold value, superelevation signal-to-noise ratio
Threshold value, superelevation distortion factor threshold value, superelevation separating degree threshold value, superelevation receiving sensitivity residual noise threshold value, superelevation maximum grunt threshold
Value, superelevation squelch level threshold value and ultra-high frequency response lag；The current output power value, the current SNR value, institute
State current distortion angle value, the current separation angle value, the current receiving sensitivity residual noise value, the current maximum grunt
Value, the current squelch level value and the current frequency response and the superelevation output power threshold value, the superelevation noise
Than threshold value, the superelevation distortion factor threshold value, the superelevation separating degree threshold value, the superelevation receiving sensitivity residual noise threshold value,
The superelevation maximum grunt threshold value, the superelevation squelch level threshold value and ultra-high frequency response lag one-to-one correspondence are compared
It is right, it is less than the superelevation audio parameter threshold, superelevation test if first preset condition is the present video parameter value
Pass through, otherwise, test does not pass through.It, can will be current more than preset audio parameter value by the way that superelevation audio parameter threshold is arranged
Audio frequency parameter value is compared again, and further screening improves wireless more than the present video parameter value of preset audio parameter value
The testing efficiency of earphone ensures that more effective audio frequency parameters pass through test.If for example, default snr value be 70dB~
120dB is 121dB by the current SNR value that the PCBA of wireless headset is tested, and therefore, the current SNR value is not
In default snr value, obtain " test does not pass through " as a result, to trigger secondary comparison.Again because of the current signal
Be worth (121dB) and be more than the default snr value (120dB), so directly carry out step S63, by the current SNR value and
Superelevation audio parameter threshold is compared, and the superelevation audio parameter threshold is 125dB, it follows that the current noise
Ratio is less than the superelevation audio parameter threshold, passes through to the superelevation test of secondary comparison, final testing result is " PASS ".
It should also be noted that, the ultralow audio frequency parameter threshold specifically includes ultralow output power value, ultralow signal-to-noise ratio
Value, ultra-low-distortion angle value, ultralow separation angle value, ultralow receiving sensitivity residual noise value, ultralow maximum grunt value, ultralow noise elimination
Level value and ultra low frequency response；The ultralow audio frequency parameter threshold specifically includes ultralow output power threshold value, ultralow noise
Than threshold value, super-low distortion threshold value, ultralow separating degree threshold value, ultralow receiving sensitivity residual noise threshold value, ultralow maximum grunt
Threshold value, ultralow squelch level threshold value and ultra low frequency response lag；The current output power value, the current SNR value,
The current distortion angle value, the current separation angle value, the current receiving sensitivity residual noise value, the current maximum are groaned
Sound value, the current squelch level value and the current frequency response and the ultralow output power threshold value, the ultralow letter
It makes an uproar than threshold value, the super-low distortion threshold value, the ultralow separating degree threshold value, the ultralow receiving sensitivity residual noise threshold
Value, the ultralow maximum grunt threshold value, the ultralow squelch level threshold value and the ultra low frequency response lag correspond into
Row compares, ultralow if first preset condition, which is the present video parameter value, is less than the ultralow audio frequency parameter threshold
Test passes through, and otherwise, test does not pass through.By the way that ultralow audio frequency parameter threshold is arranged, preset audio parameter value can be will be less than
Present video parameter value is compared again, and further screening is improved less than the present video parameter value of preset audio parameter value
The testing efficiency of wireless headset ensures that more effective audio frequency parameters pass through test.For example, if default snr value is 70dB
~120dB is 69dB, therefore, the current SNR value by the current SNR value that the PCBA of wireless headset is tested
Not in default snr value, obtain " test does not pass through " as a result, to trigger secondary comparison.Again because of the current noise
Ratio (69dB) is less than the default snr value (70dB), so directly carry out step S64, by the current SNR value and
Ultralow audio frequency parameter threshold is compared, and the ultralow audio frequency parameter threshold is 65dB, it follows that the current signal
Value is more than the superelevation audio parameter threshold, passes through to the superelevation test of secondary comparison, final testing result is " PASS ".
Further, in order to preferably recognize the PCBA integralities of tested wireless headset, the efficiency of test is improved, in order to
The quality of the set appearance of the PCBA of tested wireless headset is improved, for example, before carrying out the test of PCBA of wireless headset,
Further include the steps that the wireless headset PCBA is compared with standard PCBA, the wireless headset PCBA and standard PCBA into
The step of row compares specifically includes：PCBA to be tested is picked up with PCBA fixtures, is placed in CCD set appearance detection zones,
CCD detects camera and carries out taking pictures for multi-angle to picking up PCBA to be tested, and the photo of the take is sent in host computer
It is compared with the PCBA of standard, if not finding the place for having different, test passes through, and otherwise tests and does not pass through.In this way, can
To improve testing efficiency, some PCBA with larger defect are avoided to enter in test system, while from also ensuring and being tested
The PCBA integralities of wireless headset improve the quality of the set appearance of PCBA.
The present invention also provides a kind of wireless headset Auto-Test Systems, including：Audio output module 100, radio frequency export mould
Block 200 and test module 300；It should be noted that the audio output module is for sending audio signal；The radio frequency output
Module will and be modulated operation to the audio signal, be converted to obtain radiofrequency signal for receiving the audio signal, and
Send out transmission radiofrequency signal；The test module carries out demodulation behaviour for receiving the radiofrequency signal to the radiofrequency signal
After work, analog signal is exported；The audio output module is additionally operable to acquire the analog signal, and is carried out to the analog signal
Processing, obtains present video parameter value；The test module is additionally operable to the present video parameter value and the preset audio
Parameter value is compared, according to whether meeting preset condition, obtains test result.It should be noted that preferred, the audio
Output module is audio analyzer, and the radio frequency output module is radio-frequency generator, and the test module is test equipment, into one
Step, which further includes earphone PCBA to be tested, and the earphone PCBA to be tested is set in the test equipment, institute
Earphone PCBA to be tested is stated to be electrically connected with the test equipment.The wireless headset Auto-Test System of the present invention, by directly defeated
Enter audio signal, and by conversion after, analog signal is exported by test module, so as to by determining audio ginseng in analog signal
Number, and output test result.The test process automation degree is high, can directly display test result, obtain test parameter, and
Be automatically performed test report, can real-time statistics go out test status, it is simple to operate, greatly reduce working strength, improve
Testing efficiency.
In one embodiment, wireless headset Auto-Test System further includes host computer 400, the host computer and the sound
Frequency output module is electrically connected.Wireless headset Auto-Test System further includes DCPS digitally controlled power source module 500, the DCPS digitally controlled power source module point
The not described host computer and test module electrical connection.Preferably, the host computer is computer or human-computer interaction platform.
Compared with prior art, the present invention has at least the following advantages：
The wireless headset automatic test approach and test system of the present invention, by directly inputting audio signal, and by turning
After changing, the second audio signal is exported by load to be tested, so as to by obtaining audio frequency parameter in the second audio signal, and is exported
Test result.The test process automation degree is high, can directly display test result, obtain test parameter, and be automatically performed
Test report, can real-time statistics go out test status, it is simple to operate, greatly reduce working strength, improve testing efficiency.
Specific embodiment is provided again below to illustrate present inventive concept：
Wireless headset Auto-Test System further includes：Audio-frequency test part and current/voltage part of detecting：
Audio-frequency test part：Audio frequency parameter, which is generated, by A2 audio analyzers tests required standard audio signal, it is defeated
Enter to radio-frequency signal source and change into the required radiofrequency signal of test, then is input to test equipment and carries out various Audio Signal Processings
Afterwards, the output driving load in the form of analog signal, audio analyzer load the audio signal at both ends come really by obtaining to drive
Determine the audio frequency parameter of product to be tested.Which includes computer control radio-frequency signal sources to select to test required frequency range test.
It should be noted that audio-frequency test parameter includes output power, signal-to-noise ratio, the distortion factor, separating degree, receiving sensitivity
Residual noise, maximum grunt, squelch level, frequency response.
Current/voltage part of detecting：The electric current under working condition and standby mode is obtained by current/voltage table,
It includes operating current and standby current to test electric current.
Further, using the input of information technology computer controller unit and output signal, replace artificial control test product frame
And instrument input and output signal, test man directly place PCBA to be tested on product frame, pass through operation Auto-Test System
Software runs the automatic discriminating test of automated software as a result, directly displaying PASSED or FAILED, is automatically performed test report,
And can be at any time for inquiry, test output power, signal-to-noise ratio, the distortion factor, separating degree, receiving sensitivity residual noise, maximum are groaned
Sound, squelch level, the data of frequency response and pictorialization；Simultaneously the system can statistical test situation, it is strong to substantially reduce work
It spends, is easy to operate.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of wireless headset automatic test approach, which is characterized in that include the following steps：
S1, audio signal is sent；
S2, the audio signal is received, and operation is modulated to the audio signal, obtain radiofrequency signal, and send radio frequency
Signal；
S3, the radiofrequency signal is received, and after carrying out demodulation operation to the radiofrequency signal, exports analog signal；
S4, the acquisition analog signal, and the analog signal is handled, obtain present video parameter value；
S5, the present video parameter value is compared with preset audio parameter value, according to whether meeting preset condition, is obtained
Test result.
2. wireless headset automatic test approach according to claim 1, which is characterized in that the present video parameter value tool
Body includes current output power value, current SNR value, be currently distorted angle value, currently to detach angle value, current receiving sensitivity residual
Stay level of noise, current maximum grunt value, current squelch level value and current frequency response.
3. wireless headset automatic test approach according to claim 2, which is characterized in that the preset audio parameter value tool
Body includes that default output power value, default snr value, default distortion angle value, default separation angle value, default receiving sensitivity are residual
Stay level of noise, default maximum grunt value, default squelch level value and predeterminated frequency response.
4. wireless headset automatic test approach according to claim 3, which is characterized in that the current output power value,
The current SNR value, the current distortion angle value, the current separation angle value, the current receiving sensitivity residual noise
Value, the current maximum grunt value, the current squelch level value and the current frequency response and the default output work
Rate value, the default snr value, the default distortion angle value, the default separation angle value, the default receiving sensitivity are residual
Stay level of noise, the default maximum grunt value, the default squelch level value and the predeterminated frequency response correspond into
Row compares.
5. wireless headset automatic test approach according to claim 1, which is characterized in that after the step S5, also wrap
Include following steps：Numerical control power module is connected, the DCPS digitally controlled power source module obtains the current signal of test module, and described in output
Current signal.
6. wireless headset automatic test approach according to claim 5, which is characterized in that the current signal includes test
The operating current and standby current of module.
7. wireless headset automatic test approach according to claim 6, which is characterized in that the test result and the electricity
Stream signal is exported to host computer, and the host computer is for showing the test result received and the current signal.
8. a kind of wireless headset Auto-Test System, which is characterized in that including：Audio output module, radio frequency output module and survey
Die trial block,
The audio output module is for sending audio signal；
The radio frequency output module will and be modulated operation to the audio signal, convert for receiving the audio signal
To obtain radiofrequency signal, and send out transmission radiofrequency signal；
The test module is for receiving the radiofrequency signal, and after carrying out demodulation operation to the radiofrequency signal, output simulation
Signal；
The audio output module is additionally operable to acquire the analog signal, and handles the analog signal, obtains current
Audio frequency parameter value；
The test module is additionally operable to the present video parameter value being compared with the preset audio parameter value, according to being
It is no to meet preset condition, obtain test result.
9. wireless headset Auto-Test System according to claim 8, which is characterized in that further include host computer, it is described on
Position machine is electrically connected with the audio output module.
10. wireless headset Auto-Test System according to claim 9, which is characterized in that further include DCPS digitally controlled power source module,
The DCPS digitally controlled power source module distinguishes the host computer and test module electrical connection.
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