CN103607686A - Motor-vehicle sound-device monitoring device and method - Google Patents
Motor-vehicle sound-device monitoring device and method Download PDFInfo
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- CN103607686A CN103607686A CN201310524554.7A CN201310524554A CN103607686A CN 103607686 A CN103607686 A CN 103607686A CN 201310524554 A CN201310524554 A CN 201310524554A CN 103607686 A CN103607686 A CN 103607686A
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Abstract
The invention proposes a sound-device monitoring device and method, which are capable of automatically realizing sound testing. The sound-device monitoring device includes a time-logic control unit, a sound-work control unit, a sound load unit and a power-supply module. An output end of the time-logic control unit is connected with the sound-work control unit and used for providing a work time condition to the sound-work control unit. An output end of the sound-work control unit is connected with a sound device to be tested and used for controlling the work mode of the sound device to be tested. The sound load unit is connected with an audio output channel of the sound device to be tested. Different work operation modes of the sound device can be automatically monitored and controlled under different conditions through the sound-device monitoring device so that conditions for realizing continuous monitoring of output data of the sound device in a preset time period are created, sound test precision is improved and test cost is reduced.
Description
Technical field
The present invention relates to audio amplifier monitoring field, relate to more specifically a kind of control for the sound equipment on motor vehicle and monitoring device and method for supervising.
Background technology
The development of automotive electronic technology and car networking, makes vehicle audio information entertainment become the best carrier that automobile independent body is connected with Internet net, and vehicle audio also becomes the entertainment information equipment of Hyundai Motor indispensability.Along with enriching constantly comprehensively and the development of electronics integrated technology of Hyundai Motor function, the integrated level of sound equipment is more and more higher, but its integrated level is higher for electronic product, the reliability of product itself is lower, (function of sound equipment is more and more, but more its reliabilities of function will be lower) for vehicle audio too, (function) sound equipment integrated level that more and more (many) are high reduces the reliability of this high integrated audio on the contrary.Therefore in Hyundai Motor in order to configure aural information entertainment systems more reliably, just must carry out to the sound equipment of designing the experimental test of various operational modes and condition.Sound equipment of the prior art test majority is that the artificial audio analyzer by as shown in Figure 1 carries out simple test, and sound equipment test environment conditions is limited, conventionally all unavoidablely brought man's activity into, such as sound equipment need to be with the work of carrying at various temperature conditions, and need to change to different mode to verify the reliability of sound equipment comprehensively in work, but existing artificial measuring technology cannot meet the test condition of the various temperature environments of sound equipment, and artifical influence factor is more, such as being the functional reliability of checking sound equipment under cryogenic conditions, need at-30 ℃ or lower temperature, allow sound equipment work in various operational modes, existing test is that sound equipment is positioned over to the various operational modes of directly controlling manually sound equipment in cryogenic box, so just, can frequently open low-temperature test chamber, thereby cause experimental condition deviation to some extent, cannot reach expection test objective, and be limited to artificial participation factor, conventionally also sound equipment cannot be tested in lower temperature environment, the participation of manual control simultaneously also makes the labor cost of sound equipment test increase, and then improved cost.
Summary of the invention
The present invention is for solving above-mentioned prior art problem, full automatic sound equipment supervising device and the method for supervising of realizing sound equipment test and validation of a kind of energy of proposition of innovation.By method of the present invention, can under various conditions the various work operational modes of sound equipment be carried out monitoring automatically and be controlled, for realizing predetermined amount of time continuous monitoring sound equipment output data, created condition, improved sound equipment measuring accuracy, and reduced testing cost.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of motor vehicle acoustic supervising device, described supervising device is for testing monitoring to carried on vehicle sound equipment, comprise temporal logic control unit 1, sound equipment control of working unit 2, sound equipment load unit 3 and power module 4, described power module 4 connects described temporal logic control unit 1 and sound equipment control of working unit 2, the output of described temporal logic control unit 1 is connected in described sound equipment control of working unit 2, for providing operating time condition to sound equipment control of working unit, the output of described sound equipment control of working unit 2 is connected in tested sound equipment 6, for controlling the mode of operation of tested sound equipment, described sound equipment load unit 3 is connected in the audio frequency output channel of tested sound equipment 6.
Further according to supervising device of the present invention, wherein said temporal logic control unit 1 adopts micro-chip processor to realize, and the box body of described supervising device is controlled and on surface, is provided with set of time and the display screen 7 with outlet terminal as the input of temporal logic control unit.
Further according to supervising device of the present invention, in wherein said sound equipment control of working unit 2, be preset with the various mode of operations of tested sound equipment 6, the box body of described supervising device is controlled and on surface, is provided with the sound equipment mode of operation manipulation knob 9 that described mode of operation is selected.
Further, according to supervising device of the present invention, wherein said sound equipment load unit 3 comprises the some loads corresponding with tested sound equipment 6 audio frequency output channel quantity.
Further according to supervising device of the present invention, wherein said sound equipment load unit 3 comprise vehicle-mounted loudspeaker, with some resistance circuits of rated impedance of loudspeaker equivalence.
Further, according to supervising device of the present invention, wherein said resistance circuit is the parallel circuits of pure resistance and LED.
Further, according to supervising device of the present invention, wherein said sound equipment load unit 3 further connects and audio analyzer 5.
A method of carrying out sound equipment monitoring based on motor vehicle acoustic supervising device of the present invention, is characterized in that, comprises the following steps:
1), the signal input part of tested sound equipment is connected in to the control signal output of described motor vehicle acoustic supervising device, the audio frequency output channel of tested sound equipment is connected to each input of sound equipment load unit in motor vehicle acoustic supervising device;
2), determine the test condition of tested sound equipment, comprise tested sound equipment operating ambient temperature, mode of operation and corresponding running time;
3), at tested sound equipment at set environment temperature, sound equipment mode of operation manipulation knob 9 by motor vehicle acoustic supervising device box body is selected the setting mode of operation of tested sound equipment, inputs the running time of tested sound equipment under described mode of operation by the set of time on box body and display screen 7 to temporal logic control unit simultaneously;
4), the operating state of observing sound equipment load unit, complete tested acoustic test monitoring.
By technical scheme of the present invention, at least can reach following technique effect:
(1), realized automatic monitoring and control under the various conditions of sound equipment, under various work operational mode, guaranteed sound equipment performance, reduced the failure rate of car audio system.
(2), adopting automatic monitoring device to improve sound equipment moves measuring accuracy, has reduced sound equipment testing cost simultaneously, effectively simplified vehicle audio test process.
Accompanying drawing explanation
Accompanying drawing 1 is sound equipment testing scheme of the prior art;
Accompanying drawing 2 is the composition structural representation of motor vehicle acoustic supervising device of the present invention;
Accompanying drawing 3 is the use syndeton schematic diagram of motor vehicle acoustic supervising device of the present invention;
The box body front that accompanying drawing 4 is motor vehicle acoustic supervising device of the present invention control schematic surface;
Each Reference numeral in figure: 1-temporal logic control unit, 2-sound equipment control of working unit, 3-sound equipment load unit, 4-power module, 5-audio analyzer, the tested sound equipment of 6-, 7-set of time and display screen, 8-sound equipment load unit input channel, 9-sound equipment mode of operation manipulation knob, 10-relay indicating light.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail, so that those skilled in the art can more clearly understand the present invention, but does not therefore limit the scope of the invention.
As shown in Figures 2 and 3, motor vehicle acoustic supervising device of the present invention comprises temporal logic control unit 1, sound equipment control of working unit 2, sound equipment load unit 3 and power module 4.Wherein said 4 connect hours of power module logic control element 1 and sound equipment control of working unit 2, for it provides operating voltage, the output of described temporal logic control unit 1 is connected in described sound equipment control of working unit 2, for the work operation of sound equipment control of working unit provides temporal logic condition, described temporal logic control unit 1 adopts micro-chip processor to carry out the operation in control time, running time, data can be set by input manually, the time of setting in time logic control element 1 meets running time during condition, to described sound equipment control of working unit 2 output operation control signals, and then control its action in the mode of temporal logic, thereby reach the object of automatic control sound equipment work.Controlling on surface of described motor vehicle acoustic supervising device box body, be provided with set of time and display screen 7, can carry out the time of sound equipment test run and set input.The output of described sound equipment control of working unit 2 is connected in tested sound equipment 6, in order to control the work operational mode of tested sound equipment, in described sound equipment control of working unit 2, be preset with the various operation mode of operations of tested sound equipment 6 (as bass, rock and roll, soft ...), controlling of motor vehicle acoustic supervising device box body, on surface, be provided with sound equipment mode of operation manipulation knob 9, by screwing this manipulation knob, sound equipment control of working unit 2 can be chosen under various control models, and then can control tested sound equipment and work in various operational modes.Described sound equipment load unit 3 is the loading conditions on car load according to sound equipment, adopt vehicle-mounted loudspeaker and carry out the actual loading of analog audio with the high-power resistance of rated impedance of loudspeaker equivalence etc., preferred described sound equipment load unit 3 comprises the load corresponding with each audio frequency output channel of tested sound equipment, preferably at least comprise vehicle-mounted loudspeaker load, pure resistance and the load of LED parallel circuits with rated impedance of loudspeaker equivalence, for the tested sound equipment that comprises four road audio frequency output channels, as shown in Figure 2, sound equipment load unit 3 comprises vehicle-mounted loudspeaker and three pure resistances and LED parallel circuits, the 1st audio frequency output channel of tested sound equipment is directly connected in vehicle-mounted loudspeaker load, by this load, can directly test tonequality and the volume characteristic of tested sound equipment, the 2-4 audio frequency output channel of tested sound equipment is connected to pure resistance and the load of LED parallel circuits, the audio electrical signal of tested sound equipment output can cause LED luminous after by pure resistance and LED parallel circuits, in to the process of tested sound equipment test, if while there is the defects such as job insecurity in tested sound equipment, the audio electrical signal of exporting by its audio frequency output channel will inevitably produce fluctuation, and then can cause the luminosity of LED to change, tester can judge that by observing LED whether tested sound equipment is qualified like this, certain above-mentioned sound equipment load unit 3 also can comprise other test loads well known in the art, as current detecting and early warning circuit, while there is fluctuation in the audio electrical signal of exporting by its audio frequency output channel when tested sound equipment, the curent change that can cause current flowing detection and early warning circuit, and then make early warning circuit send alarm, thereby accurately judge tested sound equipment existing problems.Preferred described temporal logic control unit 1, sound equipment control of working unit 2 etc. can have a plurality of ports corresponding to a plurality of tested sound equipments.
As shown in Figure 3, the circuit connecting mode that uses motor vehicle acoustic supervising device of the present invention to carry out tested sound equipment detection is: the power end of described motor vehicle acoustic supervising device (corresponding to internal electric source module) connects 12DC working power, control end (corresponding to inner sound equipment control of working unit) directly connects tested sound equipment 6, the operating voltage of tested sound equipment itself is provided by motor vehicle acoustic supervising device, each audio frequency output channel of tested sound equipment 6 is connected to each load circuit in sound equipment load unit 3, further the output of the sound equipment load unit 3 of preferred described motor vehicle acoustic supervising device can be connected in audio analyzer, thereby can further analyze the operating state of sound equipment load unit 3, to improve the accuracy of detection of sound equipment load unit 3.
Below the detailed process of using device of the present invention to carry out tested sound equipment observing and controlling is elaborated:
First according to connected mode shown in accompanying drawing 3, tested sound equipment is connected in motor vehicle acoustic supervising device of the present invention, the input of concrete tested sound equipment is connected in the control output end (corresponding to inner sound equipment control of working unit) of motor vehicle acoustic supervising device, and the audio frequency output channel of tested sound equipment is connected to each input of sound equipment load unit in motor vehicle acoustic supervising device.
Then according to the test condition of tested sound equipment, select the input of setting-up time logic control element and sound equipment control of working unit, as require tested sound equipment under certain mode of operation during continuous operation predetermined amount of time, by box body, control surperficial set of time and display screen is inputted the described scheduled time, and box body is controlled to lip-deep mode of operation manipulation knob be screwed onto under corresponding mode of operation, can control described tested sound equipment continuous operation scheduled time under this mode of operation, by the output of its sound equipment load unit and the data of audio analyzer, can judge sound equipment test success or not, as required every 5h in process of the test to change a sound equipment mode of operation according to sound equipment low-temperature working test standard, according to this, require temporal logic control unit to be set as within every 5 hours, triggering the action of sound equipment control of working unit once, can tested sound equipment be worked and be tested for 5 hours under various patterns.In same test process, by the variation of the loud speaker in sound equipment load unit or LED lamp etc., can learn that whether tested sound equipment is qualified, after sound equipment start simultaneously, can manually adjust the volume of sound equipment, to be applicable to monitoring the working condition of sound equipment under cryogenic conditions.
Accompanying drawing 4 provides the operation and control interface in the box body front of motor vehicle acoustic supervising device of the present invention, as described in accompanying drawing 4, comprise set of time and display screen 7 with output as 1 input of temporal logic control unit, adopt touch screen, can be by set of time and display screen 7 input test time conditions, also comprise sound equipment load unit input channel 8, its quantity is corresponding to the audio frequency output channel quantity of tested sound equipment, and the audio frequency output channel of tested sound equipment is connected in this passage 8, also comprise sound equipment mode of operation manipulation knob 9, by screwing this manipulation knob 9, can select controlling the various mode of operations of sound equipment in sound equipment control of working unit 2, thereby control sound equipment and work in selected mode of operation, relay indicating light 10 is for displaying sound observing and controlling operating state.What accompanying drawing 4 provided is the supervising device box body front that can simultaneously control two tested sound equipments.The box body back side of not shown motor vehicle acoustic supervising device of the present invention also comprises that power input and described supervising device connect the control signal output of tested sound equipment and be connected and fixed a little in addition.
Can be under the various conditions of vehicle audio, carry out automatic test monitoring under various work operational mode by device of the present invention, failure rate and the sound equipment testing cost of car audio system have been reduced, effectively simplify vehicle audio test process, reduced personal error, improved operating efficiency.
Below be only that the preferred embodiment of the present invention is described; technical scheme of the present invention is not limited to this; the any known distortion that those skilled in the art do on the basis of major technique of the present invention design all belongs to the claimed technology category of the present invention, and the concrete protection range of the present invention is as the criterion with the record of claims.
Claims (8)
1. a motor vehicle acoustic supervising device, it is characterized in that, described supervising device is for testing monitoring to carried on vehicle sound equipment, comprise temporal logic control unit (1), sound equipment control of working unit (2), sound equipment load unit (3) and power module (4), described power module (4) connects described temporal logic control unit (1) and sound equipment control of working unit (2), the output of described temporal logic control unit (1) is connected in described sound equipment control of working unit (2), for providing operating time condition to sound equipment control of working unit, the output of described sound equipment control of working unit (2) is connected in tested sound equipment (6), for controlling the mode of operation of tested sound equipment, described sound equipment load unit (3) is connected in the audio frequency output channel of tested sound equipment (6).
2. supervising device according to claim 1, it is characterized in that, described temporal logic control unit (1) adopts micro-chip processor to realize, and the box body of described supervising device is controlled and on surface, is provided with set of time and the display screen (7) with outlet terminal as the input of temporal logic control unit.
3. supervising device according to claim 1, it is characterized in that, in described sound equipment control of working unit (2), be preset with the various mode of operations of tested sound equipment (6), the box body of described supervising device is controlled and on surface, is provided with the sound equipment mode of operation manipulation knob (9) that described mode of operation is selected.
4. supervising device according to claim 1, is characterized in that, described sound equipment load unit (3) comprises the some loads corresponding with tested sound equipment (6) audio frequency output channel quantity.
5. supervising device according to claim 4, is characterized in that, described sound equipment load unit (3) comprise vehicle-mounted loudspeaker, with some resistance circuits of rated impedance of loudspeaker equivalence.
6. supervising device according to claim 5, is characterized in that, described resistance circuit is the parallel circuits of pure resistance and LED.
7. according to the supervising device described in claim 4-6 any one, it is characterized in that, described sound equipment load unit (3) is further connected in audio analyzer (5).
8. a method of carrying out sound equipment monitoring based on motor vehicle acoustic supervising device described in claim 1-7 any one, is characterized in that, comprises the following steps:
(1) signal input part of tested sound equipment is connected in to the control signal output of described motor vehicle acoustic supervising device, the audio frequency output channel of tested sound equipment is connected to each input of sound equipment load unit in motor vehicle acoustic supervising device;
(2) determine the test condition of tested sound equipment, comprise tested sound equipment operating ambient temperature, mode of operation and corresponding running time;
(3) at tested sound equipment at set environment temperature, by the sound equipment mode of operation manipulation knob (9) on motor vehicle acoustic supervising device box body, select the setting mode of operation of tested sound equipment, by the set of time on box body and display screen (7), to temporal logic control unit, input the running time of tested sound equipment under described mode of operation simultaneously;
(4) observe the operating state of sound equipment load unit, complete the test monitoring to tested sound equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310524554.7A CN103607686B (en) | 2013-10-30 | 2013-10-30 | Motor-vehicle sound-device monitoring device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310524554.7A CN103607686B (en) | 2013-10-30 | 2013-10-30 | Motor-vehicle sound-device monitoring device and method |
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| CN103607686A true CN103607686A (en) | 2014-02-26 |
| CN103607686B CN103607686B (en) | 2017-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462931A (en) * | 2018-02-07 | 2018-08-28 | 深圳创维－Rgb电子有限公司 | A kind of audio-frequency test equipment and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201563237U (en) * | 2009-12-11 | 2010-08-25 | 宁波东源音响器材有限公司 | Multi-channel loudspeaker service life tester |
| CN202261797U (en) * | 2011-10-18 | 2012-05-30 | 常州中策仪器有限公司 | System for testing reliability of piezoelectric ceramic loudspeaker |
| CN202940964U (en) * | 2012-10-09 | 2013-05-15 | 兰州吉利汽车工业有限公司 | Vehicle speaker durability testing device |
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- 2013-10-30 CN CN201310524554.7A patent/CN103607686B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201563237U (en) * | 2009-12-11 | 2010-08-25 | 宁波东源音响器材有限公司 | Multi-channel loudspeaker service life tester |
| CN202261797U (en) * | 2011-10-18 | 2012-05-30 | 常州中策仪器有限公司 | System for testing reliability of piezoelectric ceramic loudspeaker |
| CN202940964U (en) * | 2012-10-09 | 2013-05-15 | 兰州吉利汽车工业有限公司 | Vehicle speaker durability testing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462931A (en) * | 2018-02-07 | 2018-08-28 | 深圳创维－Rgb电子有限公司 | A kind of audio-frequency test equipment and control method |
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