CN107295450A - Loudspeaker and its bearing calibration - Google Patents
Loudspeaker and its bearing calibration Download PDFInfo
- Publication number
- CN107295450A CN107295450A CN201610221510.0A CN201610221510A CN107295450A CN 107295450 A CN107295450 A CN 107295450A CN 201610221510 A CN201610221510 A CN 201610221510A CN 107295450 A CN107295450 A CN 107295450A
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- China
- Prior art keywords
- during
- input signal
- loudspeaker
- correction
- controller
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Classifications
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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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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a kind of loudspeaker and its bearing calibration, one input receives an input signal, input signal have during power supply with correction during, one controller is judged and decoded to input signal, to produce the control signal of different mode, one output end will control signal to export to speaker unit, to drive or adjust speaker unit.
Description
Technical field
The present invention is, on a kind of loudspeaker and its bearing calibration, to be especially applicable to auto loud hailer
Correction.
Background technology
Loudspeaker (being commonly called as loudspeaker) is the device that modern society is seen everywhere, and the function of loudspeaker is to send out
Go out the sound, a range of people is received sound, with the function of expanding or transmit message, when loudspeaker should
During for automobile, can send the sound makes car stranger produce vigilance.
The control module for the loudspeaker that automobile is used can mainly be divided to two kinds, and one kind is mechanical horn, another
Plant is then electronic horn.Diaphragm is shaken to send sound using the break-make of contact reed in mechanical horn system, and electric
Sub- loudspeaker then send sound, mechanical horn and electronics using the power on/off vibrations diaphragm of oscillating circuit control coil
The principle of loudspeaker respectively has its advantage and disadvantage, and end regards needed for user regards it and selects to be applicable.
Only, existing car horn is in production, according to requirement of the different clients for frequency, loudspeaker frequency
Rate has to comply with a constant interval, therefore loudspeaker need correction out of the ordinary after the completion of production, and its correcting mode is in loudspeaker
Upper perforate, loudspeaker are adjusted by perforate, if mechanical horn, then adjust the elastic of contact reed, to control
The frequency of contact switch processed；If electronic horn, then inside adjustment circuit variable resistor resistance, to control
The frequency of circuit discharge and recharge.Whole trimming process each loudspeaker must be adjusted independently, this mode amount of having a strong impact on
The production time, and on loudspeaker must perforate, it is impacted that the perforate is likely to result in loudspeaker quality, or causes aqueous vapor
Permeate and service life reduction.
Therefore, known techniques for auto loud hailer bearing calibration, with volume production inconvenience and to raising one's voice
The defect that device quality is impacted.
The content of the invention
It is an object of the invention to provide a kind of loudspeaker, it can be driven simultaneously using single input signal
Speaker unit is adjusted to speaker unit.
It is an object of the invention to provide a kind of loudspeaker, there are different voltage quasi positions using input signal
And the cycle, produce different control signals and give speaker unit.
It is an object of the invention to provide a kind of loudspeaker, row decoding is entered to input signal using controller
And then produce control signal.
To reach above-mentioned censured each purpose and effect, present invention system discloses a kind of loudspeaker, had
One input receive input signal, input signal have during power supply with correction during, a controller receive it is defeated
Enter signal and produce one control signal, an output end by control signal export to a speaker unit, with drive or
Adjust speaker unit.
The present invention discloses a kind of bearing calibration of loudspeaker in another embodiment, and it includes reception input news
Number, input signal have during power supply with correction during, controller according to input signal produce control signal,
And export control signal to speaker unit, to drive or adjust speaker unit.
Brief description of the drawings
Fig. 1：It is one embodiment of the invention loudspeaker schematic diagram；
Fig. 2：It is the input signal schematic diagram of loudspeaker of the present invention；
Fig. 3：It is input signal of the present invention different voltage cycle schematic diagrames during correction；
Fig. 4：Its for input signal of the present invention switching during schematic diagram.
【Figure number is to as directed】
1 loudspeaker
10 correction units
100 controllers
101 memory elements
20 speaker units
Vi inputs
Vo output ends
Embodiment
In order that the architectural feature of the present invention and the effect reached have a better understanding and awareness,
Spy's preferred embodiment and cooperation detailed description, are described as follows：
Reference picture 1, it is one embodiment of the invention loudspeaker schematic diagram.As illustrated, the present invention is raised
Sound device 1, with a speaker unit 20 and a correction unit 10, correction unit 10 is to include：One input Vi,
One controller 100 and an output end vo.
Please with reference to Fig. 2, it is the input signal schematic diagram of loudspeaker of the present invention.As illustrated, defeated
Enter to hold Vi to receive an input signal, input signal has during power supply and during correction, represented during power supply defeated
Enter during signal provides supply voltage and represent that input signal provides school to drive speaker unit 20, during correction
To correct speaker unit 20 during positive voltage.Input Vi is received after input signal, and controller 100 produces one
Signal is controlled, control signal has electric source modes and correction mode, and this both of which is by controller 100 to defeated
Enter signal and enter row decoding, during the difference of input signal, the control signal of generation different mode, and control
Explanation after the decoded mode of device 100 processed is held.Output end vo is received after control signal, and control signal is exported to raising
Sound unit 20, driving speaker unit 20 sends the sound or adjusts the frequency of speaker unit 20.Wherein raise one's voice list
No matter the control module of member 20 is electronic type or mechanical all applicable in the present invention.
The loudspeaker of the present invention can directly coupling correction module 10 be corrected in production using tool,
In other words, loudspeaker is during volume production, to be corrected and adjust automatically through tool offer input signal
Whole frequency saves the production time, consequently, it is possible to then need not the perforate in speaker unit 20, and increase raises one's voice list
The service life of member 20.
Multiple reference picture 1, correction unit 10 can more connect controller 100, storage comprising a memory element 101
Element 101 is for storage parameter.Controller 100, can be by those parameters when being adjusted speaker unit 20
Memory element 101 is stored in the lump, consequently, it is possible to when loudspeaker 1 completes and dispatched from the factory, parameter will not be because
Disappeared to lose power supply.Memory element 101 can be that electrical fuse (eFUSE) or the electronics formula of erasing can make carbon copies only
Read memory (EEPROM).
The universal driving voltage of loudspeaker on the market is 12 volts at present, so it is maximum to sentence input signal
Exemplified by 12 volts, illustrate the decoded mode of controller 100.Fig. 3 is refer to, it is input signal of the present invention in school
Different voltage cycle schematic diagrames during positive.As illustrated, input signal has different voltage quasi positions and cycle.
It is a constant voltage signal when input signal is during power supply, i.e., 12 volts of voltage source, controller is received
To 12 volts of voltages, can determine whether be at present voltage during, and the control signal of electric source modes is produced, by exporting
End Vo is exported to speaker unit 20.It should be noted that the signal that controls of the electric source modes can be with input signal
Identical voltage quasi position, or different voltage quasi positions can be produced according to the difference of the driving voltage of speaker unit 20, this
Invention is not limiting as, such as when the driving voltage of speaker unit 20 needs higher voltage level, controller 100 is
Produce the control signal of the voltage quasi position.
It is a periodic voltage signal when input signal is during correcting, and the voltage during correction
Level system be less than power supply during voltage quasi position, controller 100 receive less than power supply during voltage quasi position
When, you can judge at present as during correcting.Exemplified by foregoing, controller 100 receives 10.5 less than 12 volts
Volt or 9 volts of voltages, you can judge at present during correcting, and to produce the control signal of correction mode.Control
Device 100 processed receives the input signal during correction, and starts to enter row decoding to input signal, according to voltage quasi position
Cycle produce correction mode control signal.By taking Fig. 3 as an example, input signal high levle is 10.5 volts, low
Level is 9 volts, when high levle is 0.5 millisecond and low level is 0.5 millisecond (i.e. whole cycle is 1 millisecond),
It is 0 now to control signal logic；When high levle is 0.5 millisecond and low level is 1 millisecond (i.e. whole cycle is 1.5
Millisecond), it is 1 now to control signal logic.It should be noted that the decoded mode of controller 100 can be according to high or low
The cycle of level judges, can also be judged according to whole cycle, the present invention is not limiting as.
Judgement and Xie Code by controller noted above 100, only need to can be using an input signal simultaneously
Be driven test to speaker unit 20, and enter the adjustment of line frequency, thus speaker unit 20 need not perforate,
Frequency is adjusted without the pin rate of connections signal of increase speaker unit 20.
Refer to Fig. 4, its for input signal of the present invention switching during schematic diagram.As illustrated, input
During signal can be comprising a switching, the input signal during switching is periodicity signal, the week of its height
Phase is different from during correction, controller is hereby judged.By taking Fig. 4 as an example, input signal voltage quasi position has height
Level and low level, are low level and time more than 4 milliseconds when controller receives input signal, you can know
During input signal is prepared to enter into correction.
Input signal comprising switching during, by during power supply enter correction during when can switch in advance during,
Controller 100 is set to have during enough time judges that input signal is prepared to enter into correction, it is to avoid circuit power factor causes defeated
Enter the unstable of signal so that controller 100 judges occur error.
Loudspeaker of the present invention and its bearing calibration, input signal have different periods voltage quasi position and
In the cycle, input signal is judged using controller, such as input signal provides power supply during power supply
The control signal of pattern is with drive the speaker.Such as input signal is during correcting, and controller enters to input signal
Row decoding, and loudspeaker is given there is provided the control signal of correction mode according to decoding result, make detection person can
Loudspeaker frequency is adjusted, or set after loudspeaker 1, can be with the sounding of active accommodation speaker unit 20
Frequency, and reach the advantage of reduction human cost.The present invention is only with single input signal, you can raised one's voice
The driving and adjustment of unit 20, and the progress simultaneously when volume production of the online tool of production can be combined, save one by one
The time cost of speaker unit is adjusted, and increases the service life of speaker unit.
Above is only presently preferred embodiments of the present invention, not for limiting the scope that the present invention is implemented,
Equivalent change carried out by all shape, construction, feature and spirit according to described in scope of the invention as claimed is with repairing
Decorations, all should be included in scope of the presently claimed invention.
Claims (13)
1. a kind of loudspeaker, it is characterised in that the loudspeaker has a speaker unit and a correction unit, the correction unit is included：
One input, receives an input signal, the input signal during a power supply with one with during correcting；
One controller, produces one according to the input signal and controls signal；And
One output end, the control signal is exported to a speaker unit via output end.
2. loudspeaker as claimed in claim 1, it is characterised in that when wherein the input signal is during the power supply, it is an electric source modes to control signal, when the input signal is during the correction, and this controls signal to be a correction mode.
3. loudspeaker as claimed in claim 2, it is characterised in that the voltage quasi position wherein during the correction is less than the voltage quasi position during the power supply.
4. loudspeaker as claimed in claim 2, it is characterised in that the voltage quasi position wherein during the correction has a high levle and a low level, the controller produces the control signal according to the cycle of the high levle and the low level.
5. loudspeaker as claimed in claim 1, it is characterised in that during wherein the input signal further includes a switching, during the controller is according to the switching, judges the switching time point of the electric source modes and the correction mode.
6. loudspeaker as claimed in claim 2, it is characterised in that the wherein control module series electron formula of the speaker unit or one mechanical.
7. loudspeaker as claimed in claim 2, it is characterised in that wherein the correction unit further includes a memory element and connects the controller, the parameter of memory element store controller adjustment.
8. a kind of bearing calibration of loudspeaker, it is characterised in that it is included：
An input signal is received, the input signal during a power supply with one with during correcting；
One controller produces one according to the input signal and controls signal；And
The control signal is exported to a speaker unit, to drive or adjust the speaker unit.
9. bearing calibration as claimed in claim 8, it is characterised in that when wherein the input signal is during the power supply, it is an electric source modes to control signal, when the input signal is during the correction, and this controls signal to be a correction mode.
10. bearing calibration as claimed in claim 8, it is characterised in that the voltage quasi position wherein during the correction is less than the voltage quasi position during the power supply.
11. bearing calibration as claimed in claim 8, it is characterised in that the voltage quasi position wherein during the correction has a high levle and a low level, the controller produces the control signal according to the cycle of the high levle and the low level.
12. bearing calibration as claimed in claim 8, it is characterised in that during wherein the input signal further includes a switching, during the controller is according to the switching, judges the switching time point of the electric source modes and the correction mode.
13. bearing calibration as claimed in claim 8, it is characterised in that wherein further include the parameter storage after adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221510.0A CN107295450B (en) | 2016-04-11 | 2016-04-11 | Loudspeaker and correction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221510.0A CN107295450B (en) | 2016-04-11 | 2016-04-11 | Loudspeaker and correction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107295450A true CN107295450A (en) | 2017-10-24 |
| CN107295450B CN107295450B (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610221510.0A Active CN107295450B (en) | 2016-04-11 | 2016-04-11 | Loudspeaker and correction method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2792073Y (en) * | 2005-06-01 | 2006-06-28 | 王慧民 | Automatic frequency adjusting multiphone loudspeaker |
| CN202102709U (en) * | 2011-06-10 | 2012-01-04 | 东莞市赛歌汽车零配件有限公司 | Resonance-controlled vehicle electronic horn |
| CN102421049A (en) * | 2011-09-29 | 2012-04-18 | 美特科技(苏州)有限公司 | Audio signal processing system and audiometric curve adjustment unit thereof |
| CN103002393A (en) * | 2012-09-30 | 2013-03-27 | 曲阜师范大学 | Automatic tuning adjustment table of automobile horn |
| CN203351197U (en) * | 2013-05-31 | 2013-12-18 | 盛金焱 | Automotive electronic horn facilitating volume adjustment |
| US20160100252A1 (en) * | 2014-10-07 | 2016-04-07 | Gentex Corporation | System and method for driving a low frequency speaker |
-
2016
- 2016-04-11 CN CN201610221510.0A patent/CN107295450B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2792073Y (en) * | 2005-06-01 | 2006-06-28 | 王慧民 | Automatic frequency adjusting multiphone loudspeaker |
| CN202102709U (en) * | 2011-06-10 | 2012-01-04 | 东莞市赛歌汽车零配件有限公司 | Resonance-controlled vehicle electronic horn |
| CN102421049A (en) * | 2011-09-29 | 2012-04-18 | 美特科技(苏州)有限公司 | Audio signal processing system and audiometric curve adjustment unit thereof |
| CN103002393A (en) * | 2012-09-30 | 2013-03-27 | 曲阜师范大学 | Automatic tuning adjustment table of automobile horn |
| CN203351197U (en) * | 2013-05-31 | 2013-12-18 | 盛金焱 | Automotive electronic horn facilitating volume adjustment |
| US20160100252A1 (en) * | 2014-10-07 | 2016-04-07 | Gentex Corporation | System and method for driving a low frequency speaker |
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| Publication number | Publication date |
|---|---|
| CN107295450B (en) | 2020-10-13 |
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