CN102480664B - Control the apparatus and method of the driving of Pop-up high pitch loudspeaker - Google Patents
Control the apparatus and method of the driving of Pop-up high pitch loudspeaker Download PDFInfo
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- CN102480664B CN102480664B CN201110219361.1A CN201110219361A CN102480664B CN 102480664 B CN102480664 B CN 102480664B CN 201110219361 A CN201110219361 A CN 201110219361A CN 102480664 B CN102480664 B CN 102480664B
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Abstract
nullThe present invention relates to the apparatus and method of a kind of driving controlling Pop-up high pitch loudspeaker，The method includes: (a) speaker control condition under the conditions of ON based on adnexa (ACC) condition and while ejecting high pitch loudspeaker，Determine whether the unlatching of high pitch loudspeaker normally completes，And it is not properly completed then high pitch loudspeaker under bullet if it is determined that open，B () is in OFF condition based on one of speaker control condition and ACC condition under bullet while high pitch loudspeaker，Determine whether the closedown of high pitch loudspeaker normally completes，And it is not properly completed if it is determined that close, ejects high pitch loudspeaker，And (c) is when being hit by a bullet lower high pitch loudspeaker or when ejecting high pitch loudspeaker in (b) at (a)，Keep the location status of high pitch loudspeaker，Until speaker control condition or ACC condition become OFF condition.
Description
Technical field
The present invention relates to control the apparatus and method of the driving of Pop-up high pitch loudspeaker, and more special
Not relating to the apparatus and method of a kind of driving controlling Pop-up high pitch loudspeaker, it considers bullet
Go out under the ejection of formula high pitch loudspeaker or bullet in (pop-down) record (registration) is different
Often state, wherein ejects or operates under bullet and do not complete in predetermined time period, or is used for
The motor overload of power is provided to the gear unit (transfer unit) of high pitch loudspeaker.
Background technology
Generally, usually install for broadcast listening or music in vehicle as standard feature now
Audio system.These audio systems generally include antenna, source of media (radio tuner,
Cassette tape, CD (CD) etc.), sound wave compensating unit, audio amplification unit, speaker
Etc..
Speaker is the necessary element of audio system, and it is mainly responsible in vehicle
Tonequality.More specifically, generally use the woofer of the sound field being responsible for low-frequency band and bear
The high pitch loudspeaker of the sound field of duty high frequency band.
The output of above-mentioned high pitch loudspeaker has the sound of the high frequency band of short wavelength and high directivity, makes
The acoustic feature obtaining audio system significantly changes according to the outbound course of sound.Generally with solid
Determine mode and this high pitch loudspeaker is installed, in order to consistent sound is provided in a desired direction.
But, it is possible to high pitch loudspeaker is installed as follows by Pop-up module in vehicle, its
Medium and high pitch loudspeaker ejects when (ACC) power on opened by adnexa, and closes at ACC power supply
Time disconnected under bullet.
But, in Pop-up high pitch loudspeaker, when under high pitch loudspeaker ejection or bullet,
Fall into or insert the foreign body in the frame for movement making high pitch loudspeaker rise/fall to interrupt high pitch and raise
The rise/fall operation of sound device.Alternatively, it is possible to arbitrary due to unexpected abnormal case
Power causes.
Therefore, when rise/fall operation attempted by high pitch loudspeaker, dry produced by object
Disturb power, cause providing for making high pitch loudspeaker rise/fall to high pitch loudspeaker gear unit
The motor overload of power.If continuously performing the ejection to high pitch loudspeaker or bullet in the case
Lower operation, then may result in the fault of Pop-up high pitch loudspeaker.
Summary of the invention
Make each aspect of the present invention in view of problem above, and the invention provides one
For the rise/fall operation when the Pop-up high pitch loudspeaker that be arranged in vehicle normal/just
When really performing, under the ejection/bullet of electric control Pop-up high pitch loudspeaker while, control eject
The device of the stabilized driving of formula high pitch loudspeaker, system and method.
According to an aspect of the present invention, it is provided that a kind of driving controlling Pop-up high pitch loudspeaker
System and method.In an exemplary embodiment of the present invention, the method originates in (a) and determines
The unlatching of high pitch loudspeaker normally completes the most.If operation/unlatching is not performing properly, then control
Under high pitch loudspeaker bullet processed.Speaker under the conditions of ON based on adnexa (ACC) condition
Control condition is made this while ejecting high pitch loudspeaker and is determined.Then, this system (b) determines
The closedown of high pitch loudspeaker normally completes the most.If its non-normal switching-off, then system ejects
High pitch loudspeaker.When high under OFF condition bullet based on speaker control condition or ACC condition
Make this during sound speaker to determine.Then, (c) when (a) be hit by a bullet lower high pitch loudspeaker or
B, when ejecting high pitch loudspeaker in (), system keeps the location status of high pitch loudspeaker, until raising
Sound device control condition or ACC condition become OFF condition.
Speaker control condition can be loudspeaker switch, audio switch and/or audio frequency and video navigation
(AVN) the ON/OFF condition of any one of switch.
Such as, when not raising from unlatching sensing sensor applying high pitch in preset time in (a)
During the unlatching sensing signal of sound device, or when be used for making from providing to high pitch loudspeaker gear unit
The high pitch loudspeaker of the power that high pitch loudspeaker rises or falls drives the current value that electric machines test arrives
When exceeding preset current value, high pitch loudspeaker may the most correctly be opened.
On the other hand, when not high from closing sensing sensor applying in preset time in (b)
During the closedown sensing signal of sound speaker, or when using from providing to high pitch loudspeaker gear unit
High pitch loudspeaker in the power making high pitch loudspeaker rise or fall drives the electricity that electric machines test arrives
When flow valuve exceedes preset current value, high pitch loudspeaker may the most correctly cut out.
According to an aspect of the present invention, it is provided that a kind of driving controlling Pop-up high pitch loudspeaker
Device.This device comprises the steps that unlatching sensing sensor, and it is arranged in the top of ejecting structure,
And it is touched with output unlatching sensing signal when high pitch loudspeaker ejects completely；Close sensing
Sensor, it is arranged in the bottom of ejecting structure, and quilt when under high pitch loudspeaker completely bullet
Contact and close sensing signal with output；High pitch loudspeaker gear unit, it makes on high pitch loudspeaker
Rise to be ejected, or make high pitch loudspeaker decline with by under bullet；High pitch loudspeaker drives motor,
It provides power to high pitch loudspeaker gear unit；Current detecting unit, its detection is raised at high pitch
Sound device is produced electric current during driving motor to drive；And high pitch loudspeaker drives control unit,
Its according to adnexa (ACC) condition and speaker control condition and the ejection of high pitch loudspeaker or
Operate under bullet and the most normally perform, drive motor output to be used for controlling high pitch to high pitch loudspeaker
The control signal of the ejection state of speaker.
Under the conditions of high pitch loudspeaker drives control unit to can be configured to ON based on ACC condition
The ON condition of speaker control condition, determines high pitch during the ejection operation of high pitch loudspeaker
Speaker is the most correctly opened, and if it is determined that the unlatching of high pitch loudspeaker is not properly completed,
Then high pitch loudspeaker under bullet；High pitch loudspeaker drives control unit to may be additionally configured to based on speaker
The OFF condition of one of control condition and ACC condition, operates the phase under the bullet of high pitch loudspeaker
Between determine high pitch loudspeaker normal switching-off the most, and if it is determined that the closedown of high pitch loudspeaker
It is not properly completed, then ejects high pitch loudspeaker；And when high pitch loudspeaker or ejection high pitch under bullet
During speaker, high pitch loudspeaker drives control unit can keep the location status of high pitch loudspeaker,
OFF condition is become until any one in speaker control condition and/or ACC condition.
Accompanying drawing explanation
Fig. 1 is the control Pop-up high pitch loudspeaker illustrating the exemplary embodiment according to the present invention
The schematic block diagram of exemplary means of driving.
Fig. 2 is the control Pop-up high pitch loudspeaker illustrating the exemplary embodiment according to the present invention
The flow chart of illustrative methods of driving.
Detailed description of the invention
Now with detailed reference to various embodiments of the present invention, the example shown in the drawings and
Below it is explained.Although the present invention will be described in conjunction with exemplary embodiment, it will be appreciated that
, this explanation is not intended to limit the invention to these exemplary embodiments.On the contrary, originally
Being intended to of invention not only contains these exemplary embodiments, and contains and may be included in by institute
Various alternative forms in the spirit and scope of the present invention that attached claim is limited, remodeling,
Equivalents and other embodiments.
It should be understood that term as used herein " vehicle " or " vehicle " or its
His similar terms includes general motor vehicles, such as include sport vehicle (SUV),
Bus, truck, various commercial car are at interior passenger carrying vehicle, including various ships and ship
Water carrier, airborne vehicle etc., and include hybrid electric vehicle, electric motor car, plug-in mixed
(such as, the resource outside oil takes to close electric motor car, hydrogen-powered vehicle and other alternative-fuel cars
The fuel obtained).As referred to herein, hybrid electric vehicle is to have two or more power sources
Vehicle, the most existing petrol power has again electrodynamic vehicle.
Hereinafter, the exemplary embodiment of the present invention is illustrated in greater detail with reference to the accompanying drawings.
Fig. 1 is to illustrate raising for controlling Pop-up high pitch of the exemplary embodiment according to the present invention
The schematic block diagram of the device 100 of the driving of sound device.As shown in fig. 1, according to the present invention's
The device 100 of the driving for controlling Pop-up high pitch loudspeaker of exemplary embodiment includes out
Open sensing sensor 14, close sensing sensor 16, high pitch loudspeaker drive control unit 20,
High pitch loudspeaker drives motor 22, high pitch loudspeaker gear unit 24 and current detecting unit
26。
Switch 12 is by being arranged on the ON/OFF button of the predetermined portions of vehicle interior from driver
The ejection or the bullet that receive high pitch loudspeaker are issued orders.Now, this switch is implantable opens for speaker
Pass, audio switch and audio frequency and video navigation (AVN) switch, and loudspeaker switch may be installed
On AVN head unit.When driver's ON switch 12, open (ACC) when applying adnexa
During power supply (if high pitch loudspeaker normally rises), high pitch loudspeaker always ejects.On the other hand,
When driver turns off switch 12, even if applied ACC power supply (if high pitch loudspeaker
Normal decline), high pitch loudspeaker also keeps state under bullet.
Unlatching sensing sensor 14 is arranged in the upper of the ejecting structure (not shown) of high pitch loudspeaker
Portion, ejects the most completely detecting high pitch loudspeaker, and when high pitch loudspeaker ejects completely,
Unlatching sensing signal is exported as touched result.
Close under the ejecting structure (not shown) that sensing sensor 16 is arranged in high pitch loudspeaker
Portion, to detect under high pitch loudspeaker bullet the most completely, and when under high pitch loudspeaker completely bullet,
Closedown sensing signal is exported by being touched.
High pitch loudspeaker drive control unit 20 based on ACC switch 10 and switch 12 various
State and control the ejection state of high pitch loudspeaker.Especially, in the exemplary enforcement of the present invention
In example, if high pitch loudspeaker eject or bullet under time, high pitch loudspeaker rise/fall operation
The most normally perform, then high pitch loudspeaker drives control unit 20 to make high pitch loudspeaker return initial shape
State.
High pitch loudspeaker drives motor 22 to provide power to high pitch loudspeaker gear unit 24, with
Just high pitch loudspeaker gear unit 24 based on high pitch loudspeaker drive control unit 20 control and
Correspondingly rise or fall.
High pitch loudspeaker gear unit 24 is by driving the dynamic of motor 22 offer from high pitch loudspeaker
Power/energy, makes high pitch loudspeaker rise to be ejected, or makes high pitch loudspeaker decline with by bullet
Under.
Current detecting unit 26 detection flows through high pitch loudspeaker and drives the electric current of motor 22, and
Control unit 20 is driven to provide current detecting corresponding with detected electric current letter to high pitch loudspeaker
Number.High pitch loudspeaker drives control unit 20 to determine that high pitch loudspeaker drives based on current detection signal
Whether galvanic electricity machine 22 transships.
Hereinafter, by with reference to the flow chart shown in Fig. 2, illustrate in greater detail according to the present invention's
The method of the driving controlling Pop-up high pitch loudspeaker of exemplary embodiment.
High pitch loudspeaker drives control unit 20 that fault (FAIL) parameter is set as " 0 " (S2),
And determine whether ACC switch 10 connects (S4).If determining ACC switch 10 in S4
Connect, then high pitch loudspeaker drives control unit 20 it is later determined that whether switch 12 connects (S6).
If/when determining switch 12 connection in S6, then high pitch loudspeaker drives control unit 20
Motor 22 is driven to apply to eject control signal to high pitch loudspeaker.High pitch loudspeaker drives motor 22
In response to this ejection control signal, provide for lifting operations to high pitch loudspeaker gear unit 24
Power, thus eject high pitch loudspeaker (S8).
High pitch loudspeaker eject while, high pitch loudspeaker drive control unit 20 based on from
The current detection signal of current detecting unit 26 and from the unlatching opening sensing sensor 14
Sensing signal, determine the unlatching of high pitch loudspeaker whether normal/be correctly completed (S10).At S10
Determination during, if current value corresponding with current detection signal is less than preset benchmark
Current value and receive unlatching sensing signal in the given time, then high pitch loudspeaker drives control
Unit 20 processed determines that unlatching has normally completed and checked fault parameter (S12).
As the inspection result in S12, if it is determined that fault parameter is " 0 ", then tweeter
Device drives control unit 20 check the ON/OFF state of ACC switch 10 and switch 12
ON/OFF state is with standby, until the bullet receiving high pitch loudspeaker issues orders (S14 and S16).
Inspection result as S14 and S16, if it is determined that ACC switch 10 is OFF state
Or switch 12 is OFF state, then high pitch loudspeaker drives control unit 20 to tweeter
Device drives motor 22 to apply control signal under bullet.High pitch loudspeaker drives motor 22 in response to this
Under bullet, control signal provides the power for step-down operation to high pitch loudspeaker gear unit 24, from
And high pitch loudspeaker (S18) under bullet.
While under high pitch loudspeaker bullet, high pitch loudspeaker drive control unit 20 based on from
The current detection signal of current detecting unit 26 and carry out the closedown of self closing sensing sensor 16
Sensing signal, determine the closedown of high pitch loudspeaker whether normal/be correctly completed (S20).At S20
Determination during, if it is determined that current value corresponding with current detection signal is less than preset
Reference current value and receive closedown sensing signal in the given time, then high pitch loudspeaker drives
Dynamic control unit 20 determines that closedown has normally completed and checked fault parameter (S22).
In above process, fault parameter remains " 0 " so that high pitch loudspeaker drives and controls
Unit 20 returns original state standby, until driver handles ACC switch 10 or switch 12.
On the other hand, different from above-mentioned a series of situations, ejecting height by ON switch 12
During sound speaker, as the determination result of S10, if it is determined that open and be not properly completed,
Then high pitch loudspeaker drives control unit 20 to check fault parameter (S24).Inspection as S24
Result, if it is determined that " fault " parameter is " 0 ", then high pitch loudspeaker drives control unit 20
Fault parameter is set as " 1 " (S26), then advancees to S18.Therefore, high pitch loudspeaker
Ejection operation terminates, and high pitch loudspeaker returns state (that is, its original state) under bullet.
As the determination result of S10, open that be not properly completed it may is that at preset time
The most not when unlatching sensing sensor 14 receives unlatching sensing signal, or examine with from electric current
Survey the corresponding current value of current detection signal of unit 26 higher than preset reference current value (i.e.,
High pitch loudspeaker drives the situation of motor 22 overload) time.
In the case, drive control unit 20 to high pitch loudspeaker at S18 medium and high pitch loudspeaker
Motor 22 is driven to apply under bullet after control signal, if determining that in S20 closedown normally completes,
Then high pitch loudspeaker drives control unit 20 carry out to S22 and check fault parameter.Due to currently
Fault parameter be " 1 ", therefore high pitch loudspeaker drive control unit 20 carry out to S28 and general
Fault parameter is initialized as " 0 ".
After high pitch loudspeaker drives control unit 20 that fault parameter is initialized as " 0 ",
Its ON/OFF state checking ACC switch 10 and the ON/OFF state (S30 of switch 12
And S32).Inspection result as S30, if it is determined that ACC switch 10 is OFF state,
Then high pitch loudspeaker drives control unit 20 to carry out to S4, initializes the ejection control of high pitch loudspeaker
System, and perform above-mentioned S4 to S32.It addition, as the inspection result of S32, if it is determined that
Switch 12 is OFF state, then high pitch loudspeaker drives control unit 20 to carry out to S6, initially
The ejection changing high pitch loudspeaker controls, and performs above-mentioned S6 to S32.
Then, will be described below operating when high pitch loudspeaker normally ejects and the most normally hold
Operation during row.
According to controlling under bullet during high pitch loudspeaker in S18, if determined in S20
The closedown of high pitch loudspeaker the most normally performs, then high pitch loudspeaker drives control unit 20 to check event
Barrier parameter (S34).Inspection result as S34, if it is determined that fault parameter be " 0 " (i.e.,
S10 opens in the case of normally completing), then high pitch loudspeaker driving control unit 20 will
Fault parameter is set as " 1 " (S36) and carries out to S8.Therefore, under the bullet of high pitch loudspeaker
Operation terminates, and high pitch loudspeaker returns the ejection state as original state.
As the determination result of S20, close that be not properly completed it may is that at preset time
The most not when cut out sensing sensor 16 receives cut out sensing signal, or examine with from electric current
Survey the corresponding current value of current detection signal of unit 26 higher than preset reference current value (i.e.,
High pitch loudspeaker drives the situation of motor 22 overload) time.
In the case, drive control unit 20 to high pitch loudspeaker at S8 medium and high pitch loudspeaker
After driving motor 22 to apply to eject control signal, if determining that in S10 unlatching normally completes,
Then high pitch loudspeaker drives control unit 20 carry out to S12 and check fault parameter.Due to currently
Fault parameter be " 1 ", therefore high pitch loudspeaker drive control unit 20 carry out to S28 and general
Fault parameter changes into " 0 ".Then, high pitch loudspeaker drives control unit 20 to perform above-mentioned S30
To S32.
Then, will be described below being hit by a bullet lower operation not in the state that high pitch loudspeaker the most normally ejects
Operation in the case of normal execution.
As the determination result in S20, when the closedown of high pitch loudspeaker the most normally performs, as
Fruit determines that in S34 fault parameter is " 1 " (that is, owing to open in S10 be not properly completed),
Then high pitch loudspeaker drives control unit 20 to carry out changing into " 0 " to S28 and by fault parameter.
Then, high pitch loudspeaker drives control unit 20 to perform above-mentioned S30 to S32.
Subsequently, will be described below the ejection first at high pitch loudspeaker normally to perform and tweeter
Operate under the bullet of device and the most normally perform so that although attempting the ejection again of high pitch loudspeaker, but
It it is the operation in the case of ejection operation again the most normally performs.
When the unlatching determining high pitch loudspeaker in S10 the most normally performs, if in S24
Determine that fault parameter is " 1 " (that is, owing to close in S20 be not properly completed), then high pitch is raised
Sound device drives control unit 20 to carry out changing/being initialized as to S28 and by fault parameter " 0 ".So
After, high pitch loudspeaker drives control unit 20 to perform above-mentioned S30 to S32.
Additionally, the computer that the present invention can be embodied as on computer readable medium (medium) can
Reading medium (media), it comprises the executable program instructions performed by processor or controller.
The example of computer readable medium include but not limited to ROM, RAM, CD (CD)-ROM,
Tape, floppy disk and optical data storage device.Computer-readable recording medium also can be at net
The computer system that network connects is distributed, enabling store in a distributed fashion and perform calculating
Machine computer-readable recording medium.
From said process, when when attempting the ejection of high pitch loudspeaker, lifting operations is the most normal
During execution, high pitch loudspeaker drives control unit 20 not perform the ejection of high pitch loudspeaker, until
High pitch loudspeaker, by ACC switch 10 or switch 12 replacement, makes high pitch loudspeaker drop to simultaneously
Initial position.
Even if contrary, when when under the bullet attempting high pitch loudspeaker, step-down operation the most normally performs,
High pitch loudspeaker drives control unit 20 not perform under the bullet of high pitch loudspeaker, until tweeter
Device, by ACC switch 10 or switch 12 replacement, makes high pitch loudspeaker rise to initial position simultaneously.
According to the present invention, when high pitch loudspeaker transships, or foreign body inserts high pitch loudspeaker transmission
When unit 24 making high pitch loudspeaker can not normally rise or fall, it is possible to get rid of tweeter
Handling by force and caused fault of device.
Present invention rising when at the Pop-up high pitch loudspeaker ejected or be arranged in vehicle under bullet/
When step-down operation the most normally performs, time under the ejection or bullet of electric control high pitch loudspeaker, effectively
Ground controls the stabilized driving of Pop-up high pitch loudspeaker.
In order to illustrate and descriptive purpose, have been provided for the specific illustrative embodiment of the present invention
Described above.They are not intended to exhaustive or limit the invention to disclosed precise forms,
And under the enlightenment of teachings above, it will be apparent that can have multiple remodeling and modification.Select and say
Bright exemplary embodiment is to explain some principle of the present invention and actual application thereof, so that
Those skilled in the art can make and utilize the various exemplary embodiments of the present invention and various
Alternative form and remodeling.It is intended to by claims and equivalents thereof to limit the present invention's
Scope.
The reference of each element in accompanying drawing
10:ACC switchs
12: switch
14: open sensing sensor
16: close sensing sensor
20: high pitch loudspeaker drives control unit
22: high pitch loudspeaker drives motor
24: high pitch loudspeaker gear unit
26: current detecting unit
Claims (7)
1. the method controlling the driving of Pop-up high pitch loudspeaker, described method includes:
(a) based on from high pitch loudspeaker drive electric machines test to current value and from open sense
Survey the unlatching sensing signal of sensor, determine whether the unlatching of described high pitch loudspeaker normally completes,
And it is not properly completed in response to the unlatching determining described high pitch loudspeaker and under bullet, described high pitch is raised
Sound device, wherein the ON bar of the speaker control condition under the conditions of ON based on adnexa condition
Part and perform while ejecting described high pitch loudspeaker described to determine；
(b) based on from described high pitch loudspeaker drive electric machines test to current value and from pass
Close the closedown sensing signal of sensing sensor, determine that the closedown of described high pitch loudspeaker is the most normal
Complete, and be not properly completed in response to the closedown determining described high pitch loudspeaker and eject described
High pitch loudspeaker, wherein based on one of described speaker control condition and described adnexa condition
OFF condition and perform while described high pitch loudspeaker under bullet described to determine；And
C (), when being hit by a bullet lower described high pitch loudspeaker at (a), keeps described high pitch loudspeaker
Bullet under state, until described speaker control condition or described adnexa condition become OFF condition,
Or when at (b) middle ejection described high pitch loudspeaker, keep the ejection of described high pitch loudspeaker
State, until described speaker control condition or described adnexa condition become OFF condition,
Wherein said adnexa condition is the ON/OFF condition of adnexa switch, and described speaker
Control condition is any one in loudspeaker switch, audio switch and audio frequency and video Navigational button
ON/OFF condition.
Method the most according to claim 1, wherein at high pitch loudspeaker described in (a)
The bullet that is not properly completed of unlatching under state be: when not opening sensing from described in preset time
When sensor applies the unlatching sensing signal of described high pitch loudspeaker, or when to tweeter
Device gear unit provides the described high pitch for the power making described high pitch loudspeaker rise or fall
Speaker drive electric machines test to current value exceed preset current value time.
Method the most according to claim 2, wherein at high pitch loudspeaker described in (b)
The state that is not properly completed of closedown be: when not closing sensing sensing from described in preset time
When device applies the cut out sensing signal of described high pitch loudspeaker, or when to described tweeter
Device gear unit provides the described high pitch for the power making described high pitch loudspeaker rise or fall
Speaker drive electric machines test to current value exceed preset current value time.
Method the most according to claim 1, wherein at high pitch loudspeaker described in (b)
The state that is not properly completed of closedown be: when not closing sensing sensing from described in preset time
When device applies the cut out sensing signal of described high pitch loudspeaker, or when passing to high pitch loudspeaker
Moving cell provides the described tweeter for the power making described high pitch loudspeaker rise or fall
Device drive electric machines test to current value exceed preset current value time.
5. controlling a device for the driving of Pop-up high pitch loudspeaker, described device includes:
Opening sensing sensor, it is arranged in the top of ejecting structure, and when described high pitch is raised
It is touched when sound device ejects completely and opens sensing signal with output；
Closing sensing sensor, it is arranged in the bottom of described ejecting structure, and when described height
It is touched time under sound speaker bullet completely and closes sensing signal with output；
High pitch loudspeaker gear unit, it makes described high pitch loudspeaker rise to be ejected or to make
Described high pitch loudspeaker declines with by under bullet；
High pitch loudspeaker drives motor, and it provides power to described high pitch loudspeaker gear unit；
Current detecting unit, its detection drives motor to be produced during driving at described high pitch loudspeaker
Raw electric current；And
High pitch loudspeaker drives control unit, and it is according to adnexa condition and speaker control condition two
Operate under the ON/OFF condition of person and the ejection of described high pitch loudspeaker or bullet and the most normally hold
OK, drive motor output for controlling the ejection of described high pitch loudspeaker to described high pitch loudspeaker
The control signal of state,
Wherein said high pitch loudspeaker drives control unit at ON bar based on described adnexa condition
The ON condition of the described speaker control condition under part and while ejecting described high pitch loudspeaker,
Based on from described high pitch loudspeaker drive electric machines test to current value and from described open sense
Survey the unlatching sensing signal of sensor, determine whether the unlatching of described high pitch loudspeaker normally completes,
And if as determining that result determines that described unlatching is not properly completed, then described high pitch under bullet
Speaker；
Wherein said high pitch loudspeaker drive control unit based on described speaker control condition and
The OFF condition of one of described adnexa condition and under bullet while described high pitch loudspeaker, based on from
Described high pitch loudspeaker drives the current value that arrives of electric machines test and cuts out sensing sensing from described
The closedown sensing signal of device, determines whether the closedown of described high pitch loudspeaker normally completes, and
If as determining that result determines that described closedown is not properly completed, then ejecting described tweeter
Device；
Wherein when described high pitch loudspeaker under bullet, described high pitch loudspeaker drives control unit to protect
Hold state under the bullet of described high pitch loudspeaker, until described speaker control condition and described adnexa
One of condition becomes OFF condition, or when ejecting described high pitch loudspeaker, described high pitch is raised
Sound device drives control unit to keep the ejection state of described high pitch loudspeaker, until described speaker
One of control condition and described adnexa condition become OFF condition, and
Wherein said adnexa condition is the ON/OFF condition of adnexa switch, and described speaker
Control condition is any one in loudspeaker switch, audio switch and audio frequency and video Navigational button
ON/OFF condition.
Device the most according to claim 5, wherein not from described closedown in preset time
Sensing sensor applies described cut out sensing signal, or drives motor from described high pitch loudspeaker
In the case of the current value detected exceedes preset current value, described high pitch loudspeaker drives and controls
Unit determines that the closedown of described high pitch loudspeaker is not properly completed.
Device the most according to claim 5, wherein not from described unlatching in preset time
Sensing sensor applies described unlatching sensing signal, or drives motor from described high pitch loudspeaker
In the case of the current value detected exceedes preset current value, described high pitch loudspeaker drives and controls
Unit determines that the unlatching of described high pitch loudspeaker is not properly completed.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| KR10-2010-0120944 | 2010-11-30 | ||
| KR1020100120944A KR20120059273A (en) | 2010-11-30 | 2010-11-30 | Drive control apparatus of popup tweeter speaker and the method thereof |
| KR10-2011-0052371 | 2011-05-31 | ||
| KR1020110052371A KR101172238B1 (en) | 2011-05-31 | 2011-05-31 | Drive control apparatus of popup tweeter speaker and the method thereof |
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| CN102480664A CN102480664A (en) | 2012-05-30 |
| CN102480664B true CN102480664B (en) | 2016-12-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1505802A1 (en) * | 2003-08-04 | 2005-02-09 | High Tech Computer Corp. | Handheld device having an auto-volume control means for earphone plugging and controlling method thereof |
| CN101742379A (en) * | 2008-11-21 | 2010-06-16 | 康佳集团股份有限公司 | Turn-on muting control circuit of sound equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1505802A1 (en) * | 2003-08-04 | 2005-02-09 | High Tech Computer Corp. | Handheld device having an auto-volume control means for earphone plugging and controlling method thereof |
| CN101742379A (en) * | 2008-11-21 | 2010-06-16 | 康佳集团股份有限公司 | Turn-on muting control circuit of sound equipment |
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