CN204462321U - A kind of mainboard audio loop proving installation - Google Patents
A kind of mainboard audio loop proving installation Download PDFInfo
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- CN204462321U CN204462321U CN201520022509.6U CN201520022509U CN204462321U CN 204462321 U CN204462321 U CN 204462321U CN 201520022509 U CN201520022509 U CN 201520022509U CN 204462321 U CN204462321 U CN 204462321U
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- photoresistance
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Abstract
The utility model discloses a kind of mainboard audio loop proving installation, it is characterized in that: comprise integrated test system, sound-muffling box, loudspeaker, audio-switch, photoresistance and hummer, audio-switch comprises wheat head and the LED display lamp of electrical connection, photoresistance and hummer are electrically connected with integrated test system respectively, the feedback signal of integrated test system for powering to hummer and for receiving photoresistance, loudspeaker and wheat head are arranged in sound-muffling box, and photoresistance is corresponding with LED display lamp to be arranged.Direct modeling audio loop works, audio parts is connected at the signal output part of mainboard audio loop, when audio loop works, whether whether normal sounding is to judge audio loop can to detect audio parts intuitively, both there is the test of traditional people's ear and judged reliability, while can realize high efficiency automatic test again.
Description
Technical field
The utility model belongs to mainboard audio loop technical field of measurement and test, is specifically related to mainboard audio loop proving installation.
Background technology
The mainboard of the electronic product such as mobile phone, panel computer needs to carry out various test after production completes, to ensure that it can normally use, comprising the test for mainboard audio loop, traditional method of testing adopts the test of people's ear, although the high still inefficiency of reliability, do not meet instantly to produce and pursue the values of unit cost, thus current method mainboard audio loop measuring technology mainly being adopted to frequency analog signal on testing host audio loop and amplitude.The method is under the prerequisite driving audio loop work, the signal of given frequency amplitude is fed in audio loop origin or beginning, after audio loop process, judge that whether this audio loop signal is after treatment normal in the frequency of terminal test each road signal and amplitude, if the signal frequency that terminal reclaims and amplitude meet expection, namely judge that audio loop is normal.Audio loop on usual electronic product mainboard comprises two paths of signals, what be only separated due to this measuring technology tests one-channel signal, and audio parts needs two paths of signals to coordinate the normal work of ability, so above-mentioned measuring technology is all normal at one-channel signal, but when tie loop and device failure, can erroneous judgement be caused.Namely above-mentioned method of testing can only cover part audio loop device, and a part of device disappearance and fault, also can obtain meeting expected result in terminal.Specifically, as shown in Figure 1, current audio loop-around test technology is only independent to be done separate type for branch road 1 and branch road 2 and tests separately, the device that illustrated circle is irised out all cannot cover, cause branch road auxiliary and coordination device lost efficacy time, audio parts (SPK) cisco unity malfunction and cannot detecting.
Summary of the invention
For the deficiency that above-mentioned prior art exists, the purpose of this utility model is to design a kind of mainboard audio loop proving installation and method of testing, its direct modeling audio loop works, audio parts (SPK) is connected at the signal output part of mainboard audio loop, when audio loop works, whether whether normal sounding is to judge audio loop can to detect audio parts intuitively, both had the test of traditional people's ear and judged reliability, while can realize high efficiency automatic test again.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of mainboard audio loop proving installation, comprise integrated test system, sound-muffling box, loudspeaker, audio-switch, photoresistance and hummer, audio-switch comprises wheat head and the LED display lamp of electrical connection, photoresistance and hummer are electrically connected with integrated test system respectively, the feedback signal of integrated test system for powering to hummer and for receiving photoresistance, loudspeaker and wheat head are arranged in sound-muffling box, and photoresistance is corresponding with LED display lamp to be arranged.
Wherein, audio-switch is provided with power access end, and audio-switch is electrically connected with the outer power supply source of stable operating voltage by this power access end.Audio-switch also includes the sensitivity control be arranged between wheat head and LED display lamp.Sound-muffling box is airtight box body, and in sound-muffling box, filling has silencing cotton.
Adopt after technique scheme, the utility model compared to the prior art advantageously:
The utility model direct modeling mainboard audio loop works, loudspeaker is connected at the audio signal output end of mainboard audio loop, the high-efficient automatic of mainboard audio loop is tested with realization by sound-optical-electricity conversion in testing process, wherein sound-optical conversion ensure that testing reliability, light-electricity conversion ensure that test high efficiency and accuracy, it covers all devices of mainboard audio loop in test process, avoids situation about judging by accident in conventional testing techniques to occur.And described integrated test system is the integrated test system in existing measuring technology, effectively can utilize existing resource, compatible good, cost of manufacture is low.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is the structural representation of the audio loop described in background technology.
Fig. 2 is structural representation of the present utility model.
In figure: 1: integrated test system; 2: sound-muffling box; 3: loudspeaker; 4: wheat head; 5: sensitivity control; 6:LED display lamp; 7: photoresistance; 8: hummer.
Embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment, as shown in Figure 2.
A kind of mainboard audio loop proving installation, comprise integrated test system 1, sound-muffling box 2, loudspeaker 3, audio-switch, photoresistance 7 and hummer 8, audio-switch comprises the wheat that is sequentially electrically connected 4, sensitivity control 5 and LED display lamp 6, a wheat large I reaction of 4 collection voice signal is on the luminosity of rear end LED display lamp 6, thus can identification voice signal whether up to standard, sensitivity control 5 effect regulates according to the wheat luminosity of 4 collection voice signals to LED display lamp 6, make the luminosity of LED display lamp 6 can react a wheat 4 collection voice signal size more exactly, audio-switch is provided with power access end, audio-switch is electrically connected with the outer power supply source of stable operating voltage by this power access end, think that LED display lamp 6 is powered, the voltage of outer power supply source needs to arrange separately and needs to keep stable, to ensure that test accurately, the USB port 5V of boards and blocks of computers such as can be directly used to power, photoresistance 7 and hummer 8 are electrically connected with integrated test system 1 respectively, the feedback signal of integrated test system 1 for powering to hummer 8 and for receiving photoresistance 7, loudspeaker 3 and wheat 4 is arranged in sound-muffling box 2, sound-muffling box 2 is airtight box body, in sound-muffling box 2, filling has silencing cotton, silencing cotton plays the effect of fixed bin body inner body and the interference of isolated external sound, to improve test accuracy, photoresistance 7 is corresponding with LED display lamp 6 to be arranged, photoresistance 7 is used for monitoring audio-switch LED state, LED luminance directly determines photoresistance 7 resistance size, LED display lamp 6 and photoresistance 7 can be arranged at sound-muffling box 2 inside also can be arranged on sound-muffling box 2 outside, LED display lamp 6 and photoresistance 7 be arranged at sound-muffling box 2 inner time photoresistance 7 can not be subject to extraneous illumination effect, it is more accurate to test, LED display lamp 6 and photoresistance 7 are arranged at sound-muffling box 2 outside then can sound-optical transfer process intuitively in control and measuring process, test more reliable.
Utilize the method as aforementioned mainboard audio loop proving installation testing host audio loop, comprise following test process:
A, integrated test system 1 are powered to hummer 8, and coordinate test software to drive the work of mainboard audio loop, hummer 8 are placed in the microphone end of mainboard audio loop, are connected by the audio signal output end of mainboard audio loop with loudspeaker 3;
B, hummer 8 sounding provide stable sound signal to the microphone end of mainboard audio loop, this sound signal is after the process of mainboard audio loop, export loudspeaker 3 to from the audio signal output end of mainboard audio loop, reduce this sound signal carry out simulation sounding by loudspeaker 3;
The wheat of c, audio-switch 4 collects the voice signal that loudspeaker 3 sends in sound-muffling box 2, and the LED display lamp 6 through circuit conversion rear drive audio-switch is luminous, and wherein the luminosity of LED display lamp 6 is corresponding with a wheat 4 voice signal size collected;
D, photoresistance 7 obtain corresponding resistance after monitoring the luminance of LED display lamp 6 and are fed back to integrated test system 1, and the resistance of wherein photoresistance 7 is corresponding with the luminosity of LED display lamp 6;
The resistance of the photoresistance 7 got is fed back to test software by e, integrated test system 1, by test software to rear, itself and demarcation resistance value ratio is judged that whether the work of mainboard audio loop is normal.
The utility model direct modeling mainboard audio loop works, loudspeaker 3 is connected at the audio signal output end of mainboard audio loop, the high-efficient automatic of mainboard audio loop is tested with realization by sound-optical-electricity conversion in testing process, wherein sound-optical conversion ensure that testing reliability, light-electricity conversion ensure that test high efficiency and accuracy, it covers all devices of mainboard audio loop in test process, avoids situation about judging by accident in conventional testing techniques to occur.And described integrated test system 1 is the integrated test system 1 in existing measuring technology, effectively can utilize existing resource, compatible good, cost of manufacture is low.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (4)
1. a mainboard audio loop proving installation, it is characterized in that: comprise integrated test system, sound-muffling box, loudspeaker, audio-switch, photoresistance and hummer, audio-switch comprises wheat head and the LED display lamp of electrical connection, photoresistance and hummer are electrically connected with integrated test system respectively, the feedback signal of integrated test system for powering to hummer and for receiving photoresistance, loudspeaker and wheat head are arranged in sound-muffling box, and photoresistance is corresponding with LED display lamp to be arranged.
2. mainboard audio loop proving installation according to claim 1, is characterized in that: audio-switch is provided with power access end, and audio-switch is electrically connected with the outer power supply source of stable operating voltage by this power access end.
3. mainboard audio loop proving installation according to claim 1, is characterized in that: audio-switch also includes the sensitivity control be arranged between wheat head and LED display lamp.
4. mainboard audio loop proving installation according to claim 1, is characterized in that: sound-muffling box is airtight box body, and in sound-muffling box, filling has silencing cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022509.6U CN204462321U (en) | 2015-01-13 | 2015-01-13 | A kind of mainboard audio loop proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022509.6U CN204462321U (en) | 2015-01-13 | 2015-01-13 | A kind of mainboard audio loop proving installation |
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| Publication Number | Publication Date |
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| CN204462321U true CN204462321U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520022509.6U Expired - Fee Related CN204462321U (en) | 2015-01-13 | 2015-01-13 | A kind of mainboard audio loop proving installation |
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| Country | Link |
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| CN (1) | CN204462321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569788A (en) * | 2015-01-13 | 2015-04-29 | 宁波麦博韦尔移动电话有限公司 | Mainboard voice frequency circuit testing device and method |
| CN109342854A (en) * | 2018-11-23 | 2019-02-15 | 重庆市钟表有限公司 | A kind of test circuit and method detecting machine core audio function |
-
2015
- 2015-01-13 CN CN201520022509.6U patent/CN204462321U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569788A (en) * | 2015-01-13 | 2015-04-29 | 宁波麦博韦尔移动电话有限公司 | Mainboard voice frequency circuit testing device and method |
| CN109342854A (en) * | 2018-11-23 | 2019-02-15 | 重庆市钟表有限公司 | A kind of test circuit and method detecting machine core audio function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180113 |