CN107155162A - A kind of sound equipment test system and its method - Google Patents
A kind of sound equipment test system and its method Download PDFInfo
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- CN107155162A CN107155162A CN201710414366.7A CN201710414366A CN107155162A CN 107155162 A CN107155162 A CN 107155162A CN 201710414366 A CN201710414366 A CN 201710414366A CN 107155162 A CN107155162 A CN 107155162A
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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
Abstract
The invention discloses a kind of sound equipment detecting system, the system includes PS units, and there is provided system dc power supply；UPP units, Audio Frequency Analyser；SMC units, interference signal source is tested applied to FM, AM；SMBV units, applied to FM, AM, navigation system test useful signal source；CMW270 units, bluetooth comprehensive tester；Fixture units, customization test signal conditioning switch unit and interface conversion；Camera units, using USB3.0 industry cameras；PC units, using industrial computer computer；LCD cell, using computer monitor；The present invention has advantages below compared with prior art：The detecting system and its detection method, so that multi-functional compatibility, the stability of sound equipment synchronously detect whether it is up to standard normal, it is desirable to reduce unnecessary multipaths link substep detects, system equipment one, not needing excessive testing staff and various detection device, there is provided the whole efficiency of production.
Description
Technical field
The present invention relates to testing for electrical equipment technical field, more particularly to a kind of sound equipment test system and its method.
Background technology
At present, it is the necessary process for examining an electronic product whether qualified for the test of dispatching from the factory of electronic product, wherein
The particularly more electronic product of feature, such as Mini-type audio equipment, subsidiary feature is more and more, but the compatibility of its function,
Whether stability up to standard, it is necessary to detect step by step, prior art be need multiple procedure links substep detections, it is necessary to detection people
Member is more, and detection device is various, and flow is cumbersome, influences the whole efficiency of production.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of new sound equipment detecting system and its side
Method, using integral system equipment, synchronous detection, to lower production cost and unnecessary artificial and cost of equipment.
The present invention is achieved by the following technical solutions：A kind of sound equipment detecting system, the system includes
There is provided system dc power supply for PS units；
UPP units, Audio Frequency Analyser；
SMC units, interference signal source is tested applied to FM, AM；
SMBV units, applied to FM, AM, navigation system test useful signal source；
CMW270 units, bluetooth comprehensive tester；
Fixture units, customization test signal conditioning switch unit and interface conversion；
Camera units, using USB3.0 industry cameras；
PC units, using industrial computer computer；
LCD cell, using computer monitor；
Wherein, the PS units provide dc source for unit, and the SMBV units Electricity Federation crystal oscillator ATT1 is connected to
Disconnecting switch device, the SMC units and an output branch circuit parallel connection of disconnecting switch device and DC1 ends, are connected to part to be measured
FM/AM ends, another output branch road of disconnecting switch device is connected to the GPS ends of part to be measured, to detect its FM, AM, navigation system
Test useful signal source and FM, AM interference signal source；
The CMW270 units are connected to part BT ends to be measured, to detect the Bluetooth function of sound equipment to be measured；
The UPP units, its access port connects the AUX ends of part to be measured, its exit connect part to be measured multigroup LF+ and
LF-；
The Camera units, PS units are connected using USB3.0 industry cameras by the video frequency collection card of PS units.
It is preferred that, the unit such as the UPP units, SMC units, SMBV units, CMW270 units, LCD cell and PS units
Connection uses dc source cable.
It is preferred that, the detection cable that the connection of the SMBV units, SMC units and UPP units and part to be measured is used is penetrates
Frequency cable.
It is preferred that, FM, AM method of testing of the part to be measured：
1) it is artificial that radio station standard (AM or FM) is set；
2) manufal tuning sets test frequency；
3) test software instrument for automatic control (SMBV, SMC) produces test signal；
4) test software automatic control survey instrument UPP, reads analysis audio signal, exports measurement result.
It is preferred that, the detection method of the audio-frequency amplifier of the part to be measured：
1) software prompt：Manual switching is to AUX audio-frequency play modes；
2) software automatically controls UPP output 1kHz, 0dB test audio signals；
3) software automatically controls UPP measurement analysis correspondence exports audio signals, draws measurement result.
It is preferred that, the detection method of the USB/SD cards of the part to be measured：
1) software prompt：Manual switching selects to play correspondence test audio signal to usb audio play mode；
2) software automatically controls UPP measurement audio output signals, draws every test content results.
It is preferred that, the detection method of the AUX interfaces of the part to be measured：
1) software prompt：Manual switching is to AUX audio-frequency play modes；
2) software automatically controls UPP output 1kHz, 0dB test audio signals；
3) software prompt and automatically control UPP measurement analysis correspondence exports audio signal be allowed to be shown in Survey Software circle
On face；
4) volume is manually adjusted, above-mentioned software prompt interface is disappeared automatically and (is reached standard output amount as benchmark)；
5) software automatically controls UPP output test frequency response audios, and software automatically analyzes frequency response parameter；
6) other test contents the like (software control signals are exported, and manually adjust volume, and software control analyzer is simultaneously
Obtain measurement result).
It is preferred that, the detection method of the GPS navigation of the part to be measured：
1) software prompt：Manual switching is to digital map navigation pattern；
2) software is formulated and optimal inspection content order automatically；
3) software automatic control signal switches to GPS Measurement channels；
4) software automatically controls SMBV signal generators and is allowed to simulation generation satellite-signal (GPS, the Big Dipper)；
5) software automatically controls dc source, is allowed to simulation framework cold start-up；
6) hand inspection display screen dispaly state, judges indices.
It is preferred that, the detection method of the bluetooth of the part to be measured：
1) software prompt：Switch test software is to bluetooth test pattern；
2) test script is opened, according to test request modification measurement script；
3) test test is started, test program is automatically performed the test event of script configuration；
4) test, production test report are completed.
It is preferred that, the detection method of the LCDs of the part to be measured：
1) software prompt：Manual switching plays test pictures to USB video play modes；
2) software prompt：It is artificial to push main frame to darkroom casing along slide rail；
3) software automatically controls industry camera and captures display screen display content；
4) software automatically controls video frequency collection card and obtains candid photograph picture, analyzes picture quality, judges display screen performance feature
Draw measurement result；
5) software prompt：Artificial change plays test pictures；
6) images above is repeated to capture and analytical procedure.
The present invention has advantages below compared with prior art：The detecting system and its detection method so that many work(of sound equipment
Compatibility, the stability of energy synchronously detect whether up to standard normal, it is desirable to reduce unnecessary multipaths link substep detection, system
Equipment one, it is not necessary to which there is provided the whole efficiency of production for excessive testing staff and various detection device.
Brief description of the drawings
Fig. 1 is a kind of theory diagram of sound equipment test system of the embodiment of the present invention.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
As shown in figure 1, a kind of sound equipment detecting system that the present embodiment is provided, the system includes
There is provided system dc power supply for PS units；
UPP units, Audio Frequency Analyser；
SMC units, interference signal source is tested applied to FM, AM；
SMBV units, applied to FM, AM, navigation system test useful signal source；
CMW270 units, bluetooth comprehensive tester；
Fixture units, customization test signal conditioning switch unit and interface conversion；
Camera units, using USB3.0 industry cameras；
PC units, using industrial computer computer；
LCD cell, using computer monitor；
Wherein, the PS units provide dc source for unit, and the SMBV units Electricity Federation crystal oscillator ATT1 is connected to
Disconnecting switch device, the SMC units and an output branch circuit parallel connection of disconnecting switch device and DC1 ends, are connected to part to be measured
FM/AM ends, another output branch road of disconnecting switch device is connected to the GPS ends of part to be measured, to detect its FM, AM, navigation system
Test useful signal source and FM, AM interference signal source；
The CMW270 units are connected to part BT ends to be measured, to detect the Bluetooth function of sound equipment to be measured；
The UPP units, its access port connects the AUX ends of part to be measured, its exit connect part to be measured multigroup LF+ and
LF-；
The Camera units, PS units are connected using USB3.0 industry cameras by the video frequency collection card of PS units.
It is preferred that, the unit such as the UPP units, SMC units, SMBV units, CMW270 units, LCD cell and PS units
Connection uses dc source cable.
It is preferred that, the detection cable that the connection of the SMBV units, SMC units and UPP units and part to be measured is used is penetrates
Frequency cable.
Specifically, FM, AM method of testing of the part to be measured：
1) it is artificial that radio station standard (AM or FM) is set；
2) manufal tuning sets test frequency；
3) test software instrument for automatic control (SMBV, SMC) produces test signal；
4) test software automatic control survey instrument UPP, reads analysis audio signal, exports measurement result.
Its detection content：
AM:Frequency range, intermediate frequency, limit of making an uproar sensitivity, lock station sensitivity, signal to noise ratio, intermediate frequency suppression, mirror image suppress, selected
Property, automatic growth control, distortion, blasting, -6dB frequency responses.
FM：Frequency range, intermediate frequency, limit sensitivity (30dB S/N) of making an uproar, lock station sensitivity, capture ratio, signal to noise ratio, dual signal
Selectivity, intermediate frequency suppress (90.1MHz), mirror image and suppress (106.1MHz), AM rejection ratios (98.1MHz), distortion, blasting
It is (input 100dBuV, 98.1MHz, 75kHz frequency deviation), frequency response (50us preemphasis), stereo crosstalk, ST lightings sensitivity, vertical
Body sound signal to noise ratio, three-dimensional sound distortion.
Specifically, the detection method of the audio-frequency amplifier of the part to be measured：
1) software prompt：Manual switching is to AUX audio-frequency play modes；
2) software automatically controls UPP output 1kHz, 0dB test audio signals；
3) software automatically controls UPP measurement analysis correspondence exports audio signals, draws measurement result.
Its detection content：The standard output distortion factor, signal to noise ratio, channel separation degree, frequency response.
It is preferred that, the detection method of the USB/SD cards of the part to be measured：
1) software prompt：Manual switching selects to play correspondence test audio signal to usb audio play mode；
2) software automatically controls UPP measurement audio output signals, draws every test content results.
Its detection content：Frequency response, standard distortion degree, signal to noise ratio, channel separation degree, peak power output.
It is preferred that, the detection method of the AUX interfaces of the part to be measured：
1) software prompt：Manual switching is to AUX audio-frequency play modes；
2) software automatically controls UPP output 1kHz, 0dB test audio signals；
3) software prompt and automatically control UPP measurement analysis correspondence exports audio signal be allowed to be shown in Survey Software circle
On face；
4) volume is manually adjusted, above-mentioned software prompt interface is disappeared automatically and (is reached standard output amount as benchmark)；
5) software automatically controls UPP output test frequency response audios, and software automatically analyzes frequency response parameter；
6) other test contents the like (software control signals are exported, and manually adjust volume, and software control analyzer is simultaneously
Obtain measurement result).
Its detection content：Frequency response, standard distortion degree, signal to noise ratio, channel separation degree, peak power output.
It is preferred that, the detection method of the GPS navigation of the part to be measured：
1) software prompt：Manual switching is to digital map navigation pattern；
2) software is formulated and optimal inspection content order automatically；
3) software automatic control signal switches to GPS Measurement channels；
4) software automatically controls SMBV signal generators and is allowed to simulation generation satellite-signal (GPS, the Big Dipper)；
5) software automatically controls dc source, is allowed to simulation framework cold start-up；
6) hand inspection display screen dispaly state, judges indices.
Its detection content：Receives frequency, receiving signal sensitivity, location precision, tracking performance, data update rate, catch
Obtain
Recapture time, efficiency.
It is preferred that, the detection method of the bluetooth of the part to be measured：
1) software prompt：Switch test software is to bluetooth test pattern；
2) test script is opened, according to test request modification measurement script；
3) test test is started, test program is automatically performed the test event of script configuration；
4) test, production test report are completed.
Its detection content：TRM/CA/01/C (power output), TRM/CA/03/C (Power Control), TRM/CA/04/C (TX
Output spectrum-frequency range), TRM/CA/05/C (TX output spectrum -20dB bandwidth), TRM/CA/06/C (TX output spectrums-phase
Adjacent Channel Power), TRM/CA/07/C (modulating characteristic), TRM/CA/08/C (initial carrier frequency error margin), TRM/CA/
09/C (carrier frequency drift), TRM/CA/10/C (EDR Relative transmission powers), TRM/CA/11/C (EDR carrier frequency stabilities
And modulation accuracy), TRM/CA/12/C (EDR differential phase codings), TRM/CA/13/C (EDR is with interior spurious emissions), RCV/CA/
01/C (sensitivity-single time slot numerically is according to bag), RCV/CA/02/C (sensitivity-multi-slot data bag), RCV/CA/06/C are (maximum defeated
Enter level), RCV/CA/07/C (EDR sensitivity), RCV/CA/08/C (EDR BER lowest limits performance), (EDR is most by RCV/CA/10/C
Big incoming level).
It is preferred that, the detection method of the LCDs of the part to be measured：
1) software prompt：Manual switching plays test pictures to USB video play modes；
2) software prompt：It is artificial to push main frame to darkroom casing along slide rail；
3) software automatically controls industry camera and captures display screen display content；
4) software automatically controls video frequency collection card and obtains candid photograph picture, analyzes picture quality, judges display screen performance feature
Draw measurement result；
5) software prompt：Artificial change plays test pictures；
6) images above is repeated to capture and analytical procedure.
Its detection content：Brightness, contrast, horizontal definition, picture element flaw number (emission defects, do not extinguish defect),
There is resolution ratio.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of sound equipment detecting system, it is characterised in that：The system includes
There is provided system dc power supply for PS units；
UPP units, Audio Frequency Analyser；
SMC units, interference signal source is tested applied to FM, AM；
SMBV units, applied to FM, AM, navigation system test useful signal source；
CMW270 units, bluetooth comprehensive tester；
Fixture units, customization test signal conditioning switch unit and interface conversion；
Camera units, using USB3.0 industry cameras；
PC units, using industrial computer computer；
LCD cell, using computer monitor；
Wherein, the PS units provide dc source for unit, and the SMBV units Electricity Federation crystal oscillator ATT1 is connected to isolation
Switching device, the SMC units and an output branch circuit parallel connection of disconnecting switch device and DC1 ends, are connected to the FM/AM of part to be measured
End, another output branch road of disconnecting switch device is connected to the GPS ends of part to be measured, to detect that its FM, AM, navigation system test have
With signal source and FM, AM interference signal source；
The CMW270 units are connected to part BT ends to be measured, to detect the Bluetooth function of sound equipment to be measured；
The UPP units, its access port connects the AUX ends of part to be measured, and its exit connects the multigroup LF+ and LF- of part to be measured；
The Camera units, PS units are connected using USB3.0 industry cameras by the video frequency collection card of PS units.
2. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The UPP units, SMC units, SMBV
The units such as unit, CMW270 units, LCD cell are connected with PS units uses dc source cable.
3. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The SMBV units, SMC units and
The detection cable that the connection of UPP units and part to be measured is used is RF cable.
4. a kind of sound equipment detecting system according to claim 1, it is characterised in that：FM, AM test side of the part to be measured
Method：
1) it is artificial that radio station standard (AM or FM) is set；
2) manufal tuning sets test frequency；
3) test software instrument for automatic control (SMBV, SMC) produces test signal；
4) test software automatic control survey instrument UPP, reads analysis audio signal, exports measurement result.
5. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The audio-frequency amplifier of the part to be measured
Detection method：
1) software prompt：Manual switching is to AUX audio-frequency play modes；
2) software automatically controls UPP output 1kHz, 0dB test audio signals；
3) software automatically controls UPP measurement analysis correspondence exports audio signals, draws measurement result.
6. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The inspection of the USB/SD cards of the part to be measured
Survey method：
1) software prompt：Manual switching selects to play correspondence test audio signal to usb audio play mode；
2) software automatically controls UPP measurement audio output signals, draws every test content results.
7. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The inspection of the AUX interfaces of the part to be measured
Survey method：
1) software prompt：Manual switching is to AUX audio-frequency play modes；
2) software automatically controls UPP output 1kHz, 0dB test audio signals；
3) software prompt and automatically control UPP measurement analysis correspondence exports audio signal be allowed to be shown in Survey Software interface
On；
4) volume is manually adjusted, above-mentioned software prompt interface is disappeared automatically and (is reached standard output amount as benchmark)；
5) software automatically controls UPP output test frequency response audios, and software automatically analyzes frequency response parameter；
6) other test contents the like (software control signals are exported, and manually adjust volume, and software control analyzer is simultaneously obtained
Measurement result).
8. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The inspection of the GPS navigation of the part to be measured
Survey method：
1) software prompt：Manual switching is to digital map navigation pattern；
2) software is formulated and optimal inspection content order automatically；
3) software automatic control signal switches to GPS Measurement channels；
4) software automatically controls SMBV signal generators and is allowed to simulation generation satellite-signal (GPS, the Big Dipper)；
5) software automatically controls dc source, is allowed to simulation framework cold start-up；
6) hand inspection display screen dispaly state, judges indices.
9. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The detection side of the bluetooth of the part to be measured
Method：
1) software prompt：Switch test software is to bluetooth test pattern；
2) test script is opened, according to test request modification measurement script；
3) test test is started, test program is automatically performed the test event of script configuration；
4) test, production test report are completed.
10. a kind of sound equipment detecting system according to claim 1, it is characterised in that：The LCDs of the part to be measured
Detection method：
1) software prompt：Manual switching plays test pictures to USB video play modes；
2) software prompt：It is artificial to push main frame to darkroom casing along slide rail；
3) software automatically controls industry camera and captures display screen display content；
4) software automatically controls video frequency collection card and obtains candid photograph picture, analyzes picture quality, judges that display screen performance feature is drawn
Measurement result；
5) software prompt：Artificial change plays test pictures；
6) images above is repeated to capture and analytical procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710414366.7A CN107155162A (en) | 2017-06-05 | 2017-06-05 | A kind of sound equipment test system and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710414366.7A CN107155162A (en) | 2017-06-05 | 2017-06-05 | A kind of sound equipment test system and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107155162A true CN107155162A (en) | 2017-09-12 |
Family
ID=59796649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710414366.7A Pending CN107155162A (en) | 2017-06-05 | 2017-06-05 | A kind of sound equipment test system and its method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107155162A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2917428A1 (en) * | 2007-06-18 | 2008-12-19 | Alcan Int Ltd | PROCESS FOR PRODUCING AN ALUMINUM ALLOY SEMI-PRODUCT, IN PARTICULAR FOR A MOTOR VEHICLE STRUCTURE |
| CN103278712A (en) * | 2013-04-28 | 2013-09-04 | 东莞市科维电子科技有限公司 | Automatic test system for radio |
-
2017
- 2017-06-05 CN CN201710414366.7A patent/CN107155162A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2917428A1 (en) * | 2007-06-18 | 2008-12-19 | Alcan Int Ltd | PROCESS FOR PRODUCING AN ALUMINUM ALLOY SEMI-PRODUCT, IN PARTICULAR FOR A MOTOR VEHICLE STRUCTURE |
| CN103278712A (en) * | 2013-04-28 | 2013-09-04 | 东莞市科维电子科技有限公司 | Automatic test system for radio |
Non-Patent Citations (1)
| Title |
|---|
| 百年老怪3: "收音测量包括（主要电性能）", 《百度文库》 * |
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Application publication date: 20170912 |
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