CN207039902U - Audio-frequency function test device - Google Patents
Audio-frequency function test device Download PDFInfo
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- CN207039902U CN207039902U CN201721048349.8U CN201721048349U CN207039902U CN 207039902 U CN207039902 U CN 207039902U CN 201721048349 U CN201721048349 U CN 201721048349U CN 207039902 U CN207039902 U CN 207039902U
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Abstract
The utility model discloses a kind of audio-frequency function test device, belongs to audio-frequency test field, includes test power module, control module, audio generation module, filtration module and display module；Test power module provides power to external audio playing device, and is connected with control module；Control module is connected with audio generation module, and control audio generation module sends audio signal；Audio generation module sends audio signal to audio playing apparatus；Voice signal is sent to filtration module by audio playing apparatus again；Filtration module will transmit to display module after sound signal processing.By the test and the audio-frequency test that are not keyed up loss current, detect any a part of circuit bad and caused by electric quantity loss, the device overcomes left and right ear and separately tests the Problems of Identity that can not observe left and right acoustic channels, avoids each basic function normal operation and the too fast product of power consumption is flowed into client's hand.
Description
Technical field
Audio-frequency test field is the utility model is related to, especially a kind of audio-frequency function test device.
Background technology
Test (such as earphone) typically to audio playing apparatus at present, to audio playing apparatus when being by playing sound
Left and right acoustic channels (actually be two loudspeakers) corresponding with left and right acoustic channels tested, as long as can hear L channel or
R channel sends sound and is judged as normal, but such test can not be detected because of circuit question, and cause L channel or
It is of different sizes to export the sound provided with sound source for noise or left and right acoustic channels sound when right channel sound size inequality, broadcasting
The problem of.
In addition, in the audio playing apparatus with power supply, power consumption test is often one piece of businessman's careless omission, it is considered that
As long as power module is normal, with regard to that there can be normal power consumption to show, but in fact usually audio can be caused because of circuit problem
There is abnormal power consumption in playing device, and in the case of all other functional tests are normal, the too fast product of power consumption will flow into visitor
In the hand of family, cause product quality problem.
Utility model content
Main purpose of the present utility model is to provide a kind of audio-frequency function test device, can effectively realized to left and right
The test of sound channel, detect the homogeneity of left and right acoustic channels, meanwhile, can detect because of circuit problem and caused by abnormal power consumption product.
In order to solve the above technical problems, the utility model provides a kind of audio-frequency function test device, test power supply mould is included
Block, control module, audio generation module, filtration module and display module；Audio-frequency function test device and an audio playing apparatus
Connection；Test power module provides power to audio playing apparatus, and is connected with control module；Control module produces mould with audio
Block connects, and controls the audio generation module to send audio signal；Audio signal is sent to audio to play and filled by audio generation module
Put；Filtration module receives voice signal from audio playing apparatus, and will be transmitted after sound signal processing to display module.
Further, installation's power source module, signal amplification module and volume adjustment mould are included in audio playing apparatus
Block, signal amplification module are connected with Audio Control Module, will be sent to filtration module after Audio Signal Processing.
Further, audio playing apparatus further includes L channel circuit and R channel circuit, signal amplification module
It is connected with L channel circuit and R channel circuit.
Further, audio signal includes left side sound signal and right side sound signal, and L channel circuit produces left side
Voice signal, R channel circuit produce right side sound signal.
Further, display module includes electric current display module and audio volume control display module, audio volume control are shown
Module is connected with filtration module.
Further, electric current display module is connected with installation's power source module, installation's power source module and test power module
Connection.
Further, electric current display module shows that audio playing apparatus is not keyed up during electric current consume situation and use
The power consumption situation of audio playing apparatus.
Further, audio volume control display module shows left side sound signal waveform and right side sound signal wave simultaneously
Shape.
Further, audio volume control display module is oscillograph.
Further, audio signal is 1KHz sine wave signal.
The beneficial effects of the utility model：
Beneficial effect 1, the test of the electric current to be tested for being not keyed up product, be capable of detecting when because circuit is bad and caused by electricity
Amount loss, electric current are shown on display module, are easy to observe, and reduce labor intensity.
Beneficial effect 2, realizes the detection of the homogeneity to product left and right acoustic channels to be measured, and realizes left and right ear while survey
Examination.
Brief description of the drawings
Fig. 1 is a kind of structure composition schematic diagram of audio-frequency function test device of the utility model.
Embodiment
Various aspects of the present utility model are described below.It is to be understood that the utility model can be with varied shape
Formula embodies, and any concrete structure disclosed herein, function or both are only representational.Based on this practicality
New, those skilled in the art are it is to be understood that one aspect disclosed herein can be real independently of any other aspect
It is existing, and two or more aspects in these aspects can combine in various manners.It is it is, for example, possible to use described here
Any number of aspect, realization device or put into practice method.Further, it is possible to use other structures, function or except this paper explained
It is not outside the one or more aspects stated or the 26S Proteasome Structure and Function of one or more aspects described herein, realizes this dress
Put or put into practice this method.In addition, any aspect described herein can include at least one element of claim.
The utility model mainly discloses a kind of audio-frequency function test device composition and audio-frequency function measuring technology realization principle,
With the accompanying drawing hereinafter compareed, the main expression structural representation relevant with the utility model feature also need not foundation
Actual size is completely drawn, first explanation.
As shown in figure 1, being a kind of audio-frequency function test device structure composition schematic diagram, audio-frequency function test device, which includes, to be surveyed
Power module, control module, audio generation module, filtration module and display module are tried, and is connected with an audio playing apparatus, is surveyed
Examination power module provides power to audio playing apparatus, and tests power module and be connected with control module；Control module and audio
Generation module connects, and controls the audio generation module to send audio signal；Audio generation module sends audio signal to audio
Playing device；Include installation's power source module and signal amplification module in audio playing apparatus, signal amplification module believes audio
Number processing after audio signal be sent to filtration module；Filtration module will transmit to display module after Audio Signal Processing.Display
Module includes electric current display module and audio volume control display module, and electric current display module is connected with installation's power source module, device electricity
Source module is connected with test power module.Audio playing apparatus further includes Audio Control Module, Audio Control Module and letter
The connection of number amplification module, adjusts audio signal size.Audio signal includes left side sound signal and right side sound signal, audio are broadcast
Put device and further include L channel circuit and R channel circuit, signal amplification module connects with L channel circuit and R channel circuit
Connect, L channel circuit produces left side sound signal, and R channel circuit produces right side sound signal.Audio volume control display module is simultaneously
Show left side sound signal waveform and right side sound signal waveform.Audio volume control display module is oscillograph.
In specific operation process, first audio playing apparatus is installed in audio-frequency function test device, opens test electricity
Source module, test power module provide power to the installation's power source module of audio playing apparatus, make audio playing apparatus in energization
Starting state, meanwhile, test power module supplies electricity to control module, and control module sends instructions to audio generation module, audio
After generation module receives instruction, audio signal is sent to the signal amplification module of audio playing apparatus by audio generation module,
Signal amplification module is connected with left channels of sound circuit with right side sound channel circuit, converts audio signals into left side sound signal and the right side
Sent respectively by left side sound circuit and right side sound circuit after the voice signal of side；Filtration module receive left side sound signal and
After right side sound signal, handle after filtering, then the audio signal after filtering process is sent to the audio volume control of display module
On display module simultaneously so that present on audio volume control display module when left and right side voice signal can lead to, can thereby see
Whether the circuit for examining two sound channels of left and right is normal.
Further, audio playing apparatus can also include Audio Control Module, and Audio Control Module can adjust sound
Frequency signal magnitude, treat testing audio playing device and carry out switch switch, volume add-substract key pressing operations, to audio to be tested
Playing device is tested, and audio playing apparatus can be observed in different volumes by audio volume control display device by detecting
In the case of, if there is the audio signal audio volume control of two sound channels of left and right whether identical, if any huge difference, then it represents that the sound of left and right two
The circuit or signal amplification module in road are problematic, in advance can exclude problematic audio playing apparatus.
In addition, test power module provides power to the installation's power source module of audio playing apparatus, installation's power source module with
The electric current display module connection of display device, by being not keyed up test and the audio-frequency test of loss current, is detected because of any one
Partial circuit it is bad and caused by electric quantity loss, the power consumption of audio playing apparatus in operation can be monitored simultaneously, by
This can more ensure whether high power consumption can be caused because of product quality problem in operation in audio playing apparatus
Situation.
The audio signal used during general test for 1KHZ sine wave signals, can effective detection audio it is bad and inspection
Survey the difference of two channel output signals of left and right ear.
Audio playing apparatus can be had the audio amplifiers of left and right acoustic channels, earphone and have the playing device of left and right acoustic channels (as with oneself
Listen, ipod, mobile terminal) etc., in the present embodiment, the audio playing apparatus of prioritizing selection is earphone.
The beneficial effects of the utility model are：Realized by audio-frequency function test device of the present utility model to left and right sound
The detection of road performance and homogeneity, and can detect because circuit due to bad and caused by electric quantity loss product, avoiding will be each
Still the too fast product of power consumption flows into client's hand basic function normal operation, and the monitoring to product quality serves certain effect
Fruit.Meanwhile audio signal and earphone power consumption are converted into visual oscillogram, the problem of audio output can be compared more easily
And the problem of power consumption, greatly promote the reliability after product test.
Those skilled in the art will also understand is that, the various illustrative logical blocks with reference to described by disclosure herein, mould
Block, circuit and algorithm steps may be implemented as the combination of electronic hardware, computer software or both.It is hard in order to clearly demonstrate
This interchangeability of part and software, enters with regard to the function of various exemplary components, square, module, circuit and step to it
General description is gone.This function is implemented as software and is also implemented as hardware depending on concrete application and application
Design constraint to whole system.Those skilled in the art can realize described in a variety of ways for every kind of concrete application
Function, but this realize that decision should not be interpreted as causing a departure from the scope of the utility model.
More than, only it is preferred embodiment of the present utility model, not makees any formal limit to the utility model
System, any person skilled in the art, is not being departed from the range of technical solutions of the utility model, when using the disclosure above
Technology contents make a little change or be modified to the equivalent embodiments of equivalent variations, as long as being without departing from the utility model technology
Plan content, any simply modification, the equivalent variations and repair that foundation the technical essence of the utility model is made to above example
Decorations, still fall within the claim of technical solutions of the utility model.
Claims (10)
- A kind of 1. audio-frequency function test device, it is characterised in that comprising test power module, control module, audio generation module, Filtration module and display module；The audio-frequency function test device is connected with an audio playing apparatus；The test power module provides power to audio playing apparatus, and is connected with the control module；The control module It is connected with the audio generation module, controls the audio generation module to send audio signal；The audio generation module sends the audio signal to the audio playing apparatus；The filtration module receives voice signal from the audio playing apparatus, and will be transmitted after the sound signal processing to institute State display module.
- 2. audio-frequency function test device according to claim 1, it is characterised in that include in the audio playing apparatus Installation's power source module, signal amplification module and Audio Control Module, the signal amplification module connect with the Audio Control Module Connect, the filtration module will be sent to after the Audio Signal Processing.
- 3. audio-frequency function test device according to claim 2, it is characterised in that the audio playing apparatus further wraps Circuit containing L channel and R channel circuit, the signal amplification module connect with the L channel circuit and the R channel circuit Connect.
- 4. audio-frequency function test device according to claim 3, it is characterised in that the audio signal includes left side sound Signal and right side sound signal, the L channel circuit produce the left side sound signal, described in the R channel circuit produces Right side sound signal.
- 5. audio-frequency function test device according to claim 2, it is characterised in that the display module includes electric current and shown Show module and audio volume control display module, the audio volume control display module is connected with the filtration module.
- 6. audio-frequency function test device according to claim 5, it is characterised in that the electric current display module and the dress Power module connection is put, described device power module is connected with the test power module.
- 7. audio-frequency function test device according to claim 6, it is characterised in that described in the electric current display module is shown Audio playing apparatus is not keyed up the power consumption situation of the audio playing apparatus during electric current consume situation and use.
- 8. audio-frequency function test device according to claim 5, it is characterised in that the audio volume control display module is simultaneously Show left side sound signal waveform and right side sound signal waveform.
- 9. audio-frequency function test device according to claim 5, it is characterised in that the audio volume control display module is to show Ripple device.
- 10. the audio-frequency function test device according to any one of claim 1 to 9, it is characterised in that the audio signal is 1KHz sine wave signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048349.8U CN207039902U (en) | 2017-08-21 | 2017-08-21 | Audio-frequency function test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048349.8U CN207039902U (en) | 2017-08-21 | 2017-08-21 | Audio-frequency function test device |
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| CN207039902U true CN207039902U (en) | 2018-02-23 |
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| CN201721048349.8U Active CN207039902U (en) | 2017-08-21 | 2017-08-21 | Audio-frequency function test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121061A (en) * | 2018-09-29 | 2019-01-01 | 惠州市德赛西威汽车电子股份有限公司 | A kind of volume output balance test system of main system of audio |
| CN110503979A (en) * | 2019-08-01 | 2019-11-26 | 腾讯科技（深圳）有限公司 | Monitoring method, device, medium and the electronic equipment of audio output effect |
-
2017
- 2017-08-21 CN CN201721048349.8U patent/CN207039902U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121061A (en) * | 2018-09-29 | 2019-01-01 | 惠州市德赛西威汽车电子股份有限公司 | A kind of volume output balance test system of main system of audio |
| CN110503979A (en) * | 2019-08-01 | 2019-11-26 | 腾讯科技（深圳）有限公司 | Monitoring method, device, medium and the electronic equipment of audio output effect |
| CN110503979B (en) * | 2019-08-01 | 2023-11-21 | 腾讯科技（深圳）有限公司 | Audio output effect monitoring method, device, medium and electronic equipment |
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