CN206019487U - Interference acoustic emission apparatus - Google Patents
Interference acoustic emission apparatus Download PDFInfo
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- CN206019487U CN206019487U CN201620632272.8U CN201620632272U CN206019487U CN 206019487 U CN206019487 U CN 206019487U CN 201620632272 U CN201620632272 U CN 201620632272U CN 206019487 U CN206019487 U CN 206019487U
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- acoustic emission
- emission apparatus
- interference
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Abstract
This utility model embodiment provides a kind of interference acoustic emission apparatus, its control unit is adjusted to the audio signal that signal generating unit is exported according to the feedback signal corresponding with acoustic signals that negative feedback unit feeds back to, the frequency of audio signal is made not repeat, and wavelength is inversely proportional to frequency, it is ensured that the wavelength of the sound wave of electroacoustic transduction unit output will not also repeat.For the unduplicated sound wave of wave length of sound; human brain cannot be remembered; interference and discomfort can be brought to the psychology of people and physiology; force controlled people must cover ear, away from, hide or scatter; so as to effectively prevent the wildcat operation of cracker, offender, terrorist etc.; play a part of actively to expel or shorten effective crime time, reach the purpose of protection personnel, property safety, anti-terrorism and social stability maintenance.
Description
Technical field
This utility model is related to technical field of security and protection, and in particular to a kind of interference acoustic emission apparatus.
Background technology
Sound wave class security product can send deterrence to be carried out guilty party or makes to carry out the strong sound wave that guilty party loses ability to act, but will not
Long-term harm is caused to human body, mainly for the protection of concerning security matters unit, armies such as financial institution, public security, judicial department, nuclear energy space flight
The critical facilitys such as thing base.When unmanned, start sound wave security product acoustic emission function or someone near when
Restart acoustic emission function, can frighten, disperse close personnel by the acoustic signals of transmitting.
But generally played in current sound wave class security product is the acoustical signal for recording in advance, continuous several times repeat
After broadcasting, which frightens, the effect of dispersing can decline, and effect is non-constant.
Utility model content
Therefore, this utility model embodiment technical problem to be solved is sound wave class security product effect of the prior art
Power is non-constant.
For this purpose, this utility model embodiment provides following technical scheme：
This utility model embodiment provides a kind of interference acoustic emission apparatus, including：Housing and it is installed on the housing
There is module in interior sound wave, and the sound wave occurs module and further includes：
Signal generating unit, for exports audio signal after powered up；
Signal amplification unit, is amplified process for the audio signal to receiving from the signal generating unit；
Voltage regulation filtering unit, is carried out for the audio signal after the amplified process to receiving from the signal amplification unit
Voltage stabilizing, Filtering Processing；
Electroacoustic transduction unit, for by the sound after the amplified, voltage stabilizing received from the voltage regulation filtering unit, Filtering Processing
Frequency signal is exported after being converted to the acoustic signals of corresponding wavelength；
Negative feedback unit, for generating corresponding feedback according to the acoustic signals received from the electroacoustic transduction unit
Signal is simultaneously transmitted to control unit；
Described control unit, for occurring to the signal according to the feedback signal received from the negative feedback unit
The audio signal of unit output is adjusted, and the frequency of the audio signal is not repeated.
Interference acoustic emission apparatus described in this utility model embodiment, the signal amplification unit include multistage amplification electricity
Road.
Interference acoustic emission apparatus described in this utility model embodiment, the signal generating unit, the signal amplify
Unit, the voltage regulation filtering unit, the negative feedback unit and described control unit are integrated on first circuit board, the electroacoustic
Transducer unit is integrated on second circuit board, passes through connected slot signal between the first circuit board and the second circuit board
Connection.
Interference acoustic emission apparatus described in this utility model embodiment, the housing include luggage carrier, two baffle plates and
Guard；
The luggage carrier, including a base plate and two side plates for being fixed on the base plate side edge, first circuit
Plate, the second circuit board and the connected slot are fixed on the base plate；
Described two baffle plates, are individually fixed in the two ends of the luggage carrier；
The guard, laminating are fixed on the base plate, described two side plates and described two baffle plates and enclose the space to be formed
Top.
Interference acoustic emission apparatus described in this utility model embodiment, the material of the housing is alloy aluminium sheet.
Interference acoustic emission apparatus described in this utility model embodiment, also include expansion module, for setting up the control
Signal connection between unit processed and corresponding ancillary equipment.
Interference acoustic emission apparatus described in this utility model embodiment, the expansion module include multiple expansion interfaces and
Control the interface expanding controller of the expansion interface.
Interference acoustic emission apparatus described in this utility model embodiment, also include energy-storage battery, for the sound wave
Generation module provides electric energy.
Interference acoustic emission apparatus described in this utility model embodiment, the energy-storage battery are fixed on by battery bracket
In the housing.
Interference acoustic emission apparatus described in this utility model embodiment, also include switch module, for turning on or cutting
There is the connection of intermodule in the disconnected energy-storage battery and the sound wave.
This utility model embodiment technical scheme, has the advantage that：
This utility model embodiment provides a kind of interference acoustic emission apparatus, and its control unit is anti-according to negative feedback unit
The feedback signal corresponding with acoustic signals being fed back to is adjusted to the audio signal that signal generating unit is exported, and believes audio frequency
Number frequency do not repeat, and wavelength is inversely proportional to frequency, it is ensured that the wavelength of the sound wave of electroacoustic transduction unit output also will not
Repeat.For the unduplicated sound wave of wave length of sound, human brain cannot be remembered, and can bring interference and discomfort to the psychology of people and physiology,
Force controlled people must cover ear, away from, hide or scatter such that it is able to effectively prevent cracker, offender,
The wildcat operation of terrorist etc., plays a part of actively to expel or shorten effective crime time, reaches protection personnel, property
The purpose of safety, anti-terrorism and social stability maintenance.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the theory diagram of an instantiation for disturbing acoustic emission apparatus in this utility model embodiment；
Fig. 2 is the structural representation of an instantiation for disturbing acoustic emission apparatus in this utility model embodiment；
Fig. 3 is the theory diagram of another instantiation for disturbing acoustic emission apparatus in this utility model embodiment.
Reference：
1- housings；There is module in 2- sound waves；3- first circuit boards；4- second circuit boards；5- connected slots；6- expanded modes
Block；7- energy-storage batteries；8- battery brackets, 9- switch modules；21- signal generating units；22- signal amplification units；23- voltage stabilizings are filtered
Ripple unit；24- electroacoustic transduction units；25- negative feedback units；26- control units.
Specific embodiment
The technical scheme of this utility model embodiment is clearly and completely described below in conjunction with accompanying drawing, it is clear that institute
The embodiment of description is a part of embodiment of this utility model, rather than whole embodiments.Reality in based on this utility model
Example is applied, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art all belongs to
Scope in this utility model protection.
In the description of this utility model embodiment, it should be noted that term " " center ", " on ", D score, " left side ",
The orientation of instruction such as " right side ", " vertical ", " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position
Relation, is for only for ease of description this utility model embodiment and simplifies description, rather than indicate or hint indication device or
Element must be with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property.
In the description of this utility model embodiment, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or one
The connection of body ground；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to indirect by intermediary
It is connected, can also be the connection of two element internals, can is wireless connection, or wired connection.For this area
For those of ordinary skill, concrete meaning of the above-mentioned term in this utility model can be understood with concrete condition.
As long as additionally, involved technical characteristic in this utility model different embodiments disclosed below is each other
Do not constitute conflict can just be combined with each other.
This utility model embodiment provides a kind of interference acoustic emission apparatus, as shown in figure 1, including：Housing 1 and installation
There is module 2 in the sound wave in housing 1, and sound wave occurs module 2 and further includes：
Signal generating unit 21, for exports audio signal after powered up.Specifically, signal generating unit 21 can be selected
Audio signal generator can adjust the audio signal of output multi-frequency producing audio signal.
Signal amplification unit 22, is amplified process for the audio signal to receiving from signal generating unit 21.It is preferred that
Audio signal can be amplified step by step from multistage amplifier circuit in ground, signal amplification unit 22.
Voltage regulation filtering unit 23, is carried out for the audio signal after the amplified process to receiving from signal amplification unit 22
Voltage stabilizing, Filtering Processing.Specifically, after voltage regulation filtering unit 23 can be come to amplification from diode mu balanced circuit and filter circuit
Audio signal carry out voltage stabilizing, filtering process, the noise that reasonable can be filtered in signal.
Electroacoustic transduction unit 24, for by the sound after the amplified, voltage stabilizing received from voltage regulation filtering unit 23, Filtering Processing
Frequency signal is exported after being converted to the acoustic signals of corresponding wavelength.Specifically, electroacoustic transduction unit 24 can be selected buzzer, be raised one's voice
The electro-acoustic transducer devices such as device, convert audio signals into the acoustic signals of corresponding wavelength, send out to further increase interference sound wave
The intensity of the acoustic signals of injection device transmitting, can arrange multigroup electroacoustic transduction unit.
Negative feedback unit 25, for generating corresponding feedback signal according to the acoustic signals received from electroacoustic transduction unit 24
And transmit to control unit 26.Specifically, negative feedback unit 25 can select operational amplifier negative-feedback circuit, by acoustic signals
Corresponding feedback signal back is generated to control unit 26.
Control unit 26, for exported to signal generating unit 21 according to the feedback signal received from negative feedback unit 25
Audio signal is adjusted, and the frequency of audio signal is not repeated.Specifically, control unit 26 can select single-chip microcomputer and Wei Chu
Reason device, preferably arm processor, arteries and veins that can be according to the feedback signal for receiving to the pwm signal of output to signal generating unit 21
Width is adjusted, and accordingly the audio signal that signal generating unit 21 is exported is adjusted, the frequency of audio signal is not repeated.
Interference acoustic emission apparatus in the present embodiment, control unit is fed back to according to negative feedback unit and acoustic signals
Corresponding feedback signal is adjusted to the audio signal that signal generating unit is exported, and the frequency of audio signal is not repeated,
And wavelength is inversely proportional to frequency, it is ensured that the wavelength of the sound wave of electroacoustic transduction unit output will not also repeat.For sound wave ripple
The unduplicated sound wave of length, human brain cannot be remembered, and can bring interference and discomfort to the psychology of people and physiology, force controlled people seal
Firmly ear, away from, hide or scatter such that it is able to effectively prevent that cracker, offender, terrorist's etc. is illegal
Action, plays a part of actively to expel or shorten effective crime time, reaches protection personnel, property safety, anti-terrorism and society
The purpose of stability maintenance.
Preferably, as shown in Fig. 2 interference acoustic emission apparatus in the present embodiment, signal generating unit 21, signal amplifies
Unit 22, voltage regulation filtering unit 23, negative feedback unit 25 and control unit 26 are integrated on first circuit board 3, electroacoustic transducer
Unit 24 is integrated on second circuit board 4, is connected by 5 signal of connected slot between first circuit board 3 and second circuit board 4.Collection
High into degree, take up room little, further reduce the volume of interference acoustic emission apparatus.
Preferably, the interference acoustic emission apparatus in the present embodiment, housing 1 include luggage carrier 11, two baffle plates 12 and net
Cover 13.
Luggage carrier 11, including a base plate and two side plates for being fixed on base plate side edge, the 3, second electricity of first circuit board
Road plate 4 and connected slot 5 are fixed on base plate.
Two baffle plates 12, are individually fixed in the two ends of luggage carrier 11.
Guard 13, laminating are fixed on the top that base plate, two side plates and two baffle plates 12 enclose the space to be formed.Specifically
Ground, can arrange draw-in groove at the top of the two of luggage carrier 11 side plates, and during installation, two sides of guard 13 are snapped in draw-in groove, edge
Draw-in groove direction promotes guard 13, and guard 13 is fastened on the top that base plate, two side plates and two baffle plates 12 enclose the space to be formed
Portion, installs, dismantles simplicity.
Preferably, the interference acoustic emission apparatus in the present embodiment, the material of housing 1 is alloy aluminium sheet.Specifically, housing
1 each several part can adopt the alloy aluminium sheet punch forming of high intensity, and lightweight, intensity is high.
Preferably, as shown in figure 3, the present embodiment additionally provides another kind of interference acoustic emission apparatus, except including sound wave
Outside generation module 2, also include expansion module 6, for setting up the signal connection between control unit 26 and corresponding ancillary equipment.Tool
Body ground, ancillary equipment can include infrared induction equipment, picture pick-up device and communication apparatus.For example there is unauthorized person intrusion detection area
During domain, infrared induction equipment can pass through expansion module 6 to 26 transmission pulse signal of control unit, and control unit 26 will control to believe
Number unduplicated audio signal of 21 output frequency of generating unit is expelling illegal invasion person, it is achieved that to dry under unmanned state
Disturb the effective control of acoustic emission apparatus acoustic emission；Meanwhile, control unit 26 can also pass through expansion module 6 and send control
Signal enabling picture pick-up device is to obtain the image information of unauthorized person, and sends control signal startup communication by expansion module 6
Equipment (such as radio transmission apparatus etc.) transmits image information etc. to remote monitoring center.
Preferably, the interference acoustic emission apparatus in the present embodiment, expansion module 6 include that multiple expansion interfaces and control are expanded
The interface expanding controller of exhibition interface.The effective control to signal transmission between control unit 26 and ancillary equipment can be realized.
Preferably, the interference acoustic emission apparatus in the present embodiment, also include energy-storage battery 7, for there is mould to sound wave
Block 2 provides electric energy.Specifically, by arranging energy-storage battery 7, can be in electric network fault power-off, it is ensured that interference acoustic emission dress
Put and remain to obtain the electric energy maintained needed for normal work.
Preferably, the interference acoustic emission apparatus in the present embodiment, energy-storage battery 7 are fixed on housing 1 by battery bracket 8
Interior.Specifically, by battery bracket 8 can energy-storage battery 7 is independent, be firmly fixed in housing.
Preferably, the interference acoustic emission apparatus in the present embodiment, also include switch module 9, for turning on or cutting off
There is the connection between module 2 in energy-storage battery 7 and sound wave.Specifically, switch module 9 can include remote sensing controller and gate-controlled switch
Device, after remote sensing controller receives the control signal of remote control transmission, can control controllable holding according to the control signal for receiving
The on or off of device is closed, and then is turned on or the connection between cut-out energy-storage battery 7 and sound wave generation module 2.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And thus extended obvious change or
Change among the protection domain that creates still in this utility model.
Claims (10)
1. one kind disturbs acoustic emission apparatus, it is characterised in that include：Housing (1) and the sound wave being installed in the housing (1)
Generation module (2), and the sound wave occur module (2) further include：
Signal generating unit (21), for exports audio signal after powered up；
Signal amplification unit (22), be amplified for the audio signal to receiving from the signal generating unit (21) from
Reason；
Voltage regulation filtering unit (23), for the audio signal after the amplified process to receiving from the signal amplification unit (22)
Carry out voltage stabilizing, Filtering Processing；
Electroacoustic transducer unit (24), for will receive from voltage regulation filtering unit (23) amplified, voltage stabilizing, Filtering Processing
Audio signal afterwards is exported after being converted to the acoustic signals of corresponding wavelength；
Negative feedback unit (25), corresponding for being generated according to the acoustic signals received from electroacoustic transduction unit (24)
Feedback signal is simultaneously transmitted to control unit (26)；
Described control unit (26), for according to the feedback signal received from negative feedback unit (25) to the signal
The audio signal that generating unit (21) is exported is adjusted, and the frequency of the audio signal is not repeated.
2. interference acoustic emission apparatus according to claim 1, it is characterised in that signal amplification unit (22) include
Multistage amplifier circuit.
3. interference acoustic emission apparatus according to claim 1, it is characterised in that signal generating unit (21), institute
State signal amplification unit (22), the voltage regulation filtering unit (23), the negative feedback unit (25) and described control unit (26)
It is integrated on first circuit board (3), electroacoustic transducer unit (24) are integrated on second circuit board (4), first electricity
Connected by connected slot (5) signal between road plate (3) and the second circuit board (4).
4. interference acoustic emission apparatus according to claim 3, it is characterised in that described housing (1) includes luggage carrier
(11), two baffle plates (12) and guard (13)；
Luggage carrier (11), including a base plate and two side plates for being fixed on the base plate side edge, first circuit
Plate (3), the second circuit board (4) and the connected slot (5) are fixed on the base plate；
Described two baffle plate (12), are individually fixed in the two ends of the luggage carrier (11)；
It is fixed on the base plate, described two side plates and described two baffle plates (12) and encloses to be formed in guard (13), laminating
The top in space.
5. interference acoustic emission apparatus according to claim 4, it is characterised in that the material of housing (1) is alloy
Aluminium sheet.
6. interference acoustic emission apparatus according to any one of claim 1-5, it is characterised in that also include expansion module
(6), connect for setting up the signal between described control unit (26) and corresponding ancillary equipment.
7. interference acoustic emission apparatus according to claim 6, it is characterised in that described expansion module (6) include multiple
Expansion interface and the interface expanding controller of the control expansion interface.
8. interference acoustic emission apparatus according to any one of claim 1-5, it is characterised in that also include energy-storage battery
(7), electric energy is provided for there is module (2) to the sound wave.
9. interference acoustic emission apparatus according to claim 8, it is characterised in that described energy-storage battery (7) pass through battery
Bracket (8) is fixed in the housing (1).
10. interference acoustic emission apparatus according to claim 8, it is characterised in that also include switch module (9), be used for
Turn on or cut off the energy-storage battery (7) and the sound wave occurs the connection between module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632272.8U CN206019487U (en) | 2016-06-23 | 2016-06-23 | Interference acoustic emission apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632272.8U CN206019487U (en) | 2016-06-23 | 2016-06-23 | Interference acoustic emission apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019487U true CN206019487U (en) | 2017-03-15 |
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ID=58243074
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| CN201620632272.8U Active CN206019487U (en) | 2016-06-23 | 2016-06-23 | Interference acoustic emission apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471585A (en) * | 2018-03-21 | 2018-08-31 | 北京第七九七音响股份有限公司 | The public-address system of high sound pressure level |
-
2016
- 2016-06-23 CN CN201620632272.8U patent/CN206019487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471585A (en) * | 2018-03-21 | 2018-08-31 | 北京第七九七音响股份有限公司 | The public-address system of high sound pressure level |
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| GR01 | Patent grant |