CN107258760A - A kind of reflective multi-direction sound wave mosquito repelling function device - Google Patents
A kind of reflective multi-direction sound wave mosquito repelling function device Download PDFInfo
- Publication number
- CN107258760A CN107258760A CN201710583979.3A CN201710583979A CN107258760A CN 107258760 A CN107258760 A CN 107258760A CN 201710583979 A CN201710583979 A CN 201710583979A CN 107258760 A CN107258760 A CN 107258760A
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- China
- Prior art keywords
- sound wave
- curved surface
- reflective
- reflecting curved
- interface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000255925 Diptera Species 0.000 title claims abstract description 23
- 230000001846 repelling effect Effects 0.000 title claims abstract description 14
- 230000001755 vocal effect Effects 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 10
- 239000000077 insect repellent Substances 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
Abstract
The invention discloses the reflective multi-direction sound wave mosquito repelling function device of one kind, including:Reflective vocal structure harmony wave generation circuit, reflective vocal structure, utilize the first reflecting curved surface and the second reflecting curved surface, so that sound passes through first, second reflecting curved surface constantly reflects, so as to which sound wave dissipates to surrounding, so that the coverage of sound wave is wider, sound wave generation circuit, first multivibrator exports 230Hz vibration wave, second multivibrator exports 5Hz control signal ripple, control signal ripple is caused between the input interface of analog switch and output interface with 5Hz frequency break-make by the gating interface of analog switching circuit, so that 230Hz vibration wave drives piezoelectricity tweeter with 5Hz frequencies, so that piezoelectricity tweeter sends lasting 0.2s 230Hz sound waves every 0.2s, because people is not so good as mosquito to the sensitivity of sound, this desultory sound wave can not cause the sense of hearing of people, but the attention of mosquito can be caused, so as to not produce noise pollution while mosquito repellent is ensured.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to a kind of reflective multi-direction sound wave mosquito repelling function device.
Background technology
Current being mainly using sound wave come the scheme of mosquito repellent drives female mosquito using the sensitive sound wave of female mosquito is 230Hz
Son, sends 230Hz sound wave to drive mosquito using loudspeaker, and present sound wave mosquito repelling function device is upward typically using loudspeaker
Mode carries out mosquito repellent, but is due to that loudspeaker is upward, so as to cause the sound wave of in-plane not enough so that the scope of sound wave covering
Greatly reduce, reduce the efficiency of mosquito repellent.
And the audio frequency range that can be recognized due to 230Hz sound wave behaviour ear, therefore, using sending merely
230Hz sound wave carrys out mosquito repellent and often causes noise pollution, influences the normal life of people.
The content of the invention
In order to solve the above problems, the invention provides the reflective multi-direction sound wave mosquito repelling function device of one kind, the sound wave mosquito repelling function
Device can cause sound wave to the multi-direction scope propagated, expand sound wave covering, while the device does not result in noise pollution,
Influence the normal life of people.
The present invention solve its technical problem solution be:A kind of reflective multi-direction sound wave mosquito repelling function device, including:This
Body, the body is provided with reflective vocal structure, and the reflective vocal structure includes:Piezoelectricity tweeter, the pressure
The first reflecting curved surface is provided with above the vibrating membrane of electric tweeter, being surrounded by for the vibrating membrane is bent with the described first reflection
Set between the outer edge of the second relative reflecting curved surface of face, the outer edge of first reflecting curved surface and second reflecting curved surface
There is opening, the upper and lower end of the opening and line formation the angular aperture α, the angular aperture α at the center of the vibrating membrane are 24 °,
The sound wave generation circuit for driving piezoelectricity tweeter is additionally provided with the body, the sound wave generation circuit includes:It is defeated
Go out the first multivibrator, analog switching circuit, the second multivibrator for exporting 5Hz control signal ripples of 230Hz vibration waves,
The analog switching circuit is provided with input interface, output interface, for controlling the input interface to be connected with the output interface
Or the gating interface disconnected, the output end of first multivibrator is connected with the input interface, the output interface and
The piezoelectricity tweeter connection, the output end of second multivibrator is connected with the gating interface.
Further, first, second multivibrator includes NE555 timers.
Further, the analog switch is CD4051 chips.
The beneficial effects of the invention are as follows:The reflective vocal structure, using the first reflecting curved surface and the second reflecting curved surface, makes
Obtain sound constantly to reflect by first, second reflecting curved surface, so that sound wave dissipates to surrounding so that the coverage of sound wave is more
Extensively, while the sound wave generation circuit is utilized:First multivibrator exports 230Hz vibration wave, and the second multivibrator is defeated
Go out 5Hz control signal ripple, control signal ripple causes the input interface of analog switch by the gating interface of analog switching circuit
With 5Hz frequency break-make between output interface, so that 230Hz vibration wave drives piezoelectricity high frequency to raise with 5Hz frequencies
Sound device so that piezoelectricity tweeter sends lasting 0.2s 230Hz sound waves every 0.2s, due to people to the sensitivity of sound not
Such as mosquito, this desultory sound wave can not cause the sense of hearing of people, but can cause the attention of mosquito, so as to ensure
Noise pollution is not produced while mosquito repellent.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than is all implemented
Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings
Scheme and accompanying drawing.
Fig. 1 is the schematic perspective view of sound wave mosquito repelling function device;
Fig. 2 is the structural representation of reflective vocal structure;
Fig. 3 is the circuit connection diagram of sound wave generation circuit.
Embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing clear
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/annexations, not singly refer to component and directly connect, and refer to be added deduct by adding according to specific implementation situation
Few couple auxiliary, to constitute more excellent draw bail.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Embodiment 1, with reference to Fig. 1 and Fig. 2, a kind of reflective multi-direction sound wave mosquito repelling function device, including body, on the body
Provided with reflective vocal structure, the reflective vocal structure includes piezoelectricity tweeter a4, the piezoelectricity tweeter
Being surrounded by and the first reflecting curved surface b1 provided with the first reflecting curved surface b1, the vibrating membrane d1 above a4 vibrating membrane d1
The second relative reflecting curved surface b2, the outer edge b11 of the first reflecting curved surface b1 and the outer edge of second reflecting curved surface
Opening, the upper and lower end of the opening and the angular aperture α of 24 ° of the line formation at the center of the vibrating membrane d1 are provided between b21.
With reference to Fig. 3, the sound wave generation circuit for driving the piezoelectricity tweeter a4, institute are additionally provided with the body
Stating sound wave generation circuit includes:Export the first multivibrator a1, analog switching circuit a3, output 5Hz controls of 230Hz vibration waves
Second multivibrator a2, the first multivibrator a1 of signal wave processed includes the first NE555 timers U4, first resistor
R1, second resistance R2, the first electric capacity C1, the second resistance R2, first resistor R1, the first electric capacity C1 series connection, described first
Node connection between NE555 timers U4 the 7th pin and the first resistor R1 and second resistance R2, described first
Node of the NE555 timers U4 second pin, the 6th pin between the first resistor R1 and the first electric capacity C1 is connected,
By the parameter value for adjusting first, second resistance R1, R2, the first electric capacity C1 so that the first NE555 timers U4 output end is defeated
The resistance for going out first resistor R1 in 230Hz vibration wave, the present embodiment is 3000 Ω, and second resistance R2 resistance is 220 Ω, the
One electric capacity C1 capacitance is 1uf, it is hereby achieved that 230Hz vibration wave.
Similarly, the second multivibrator a2 includes:2nd NE555 timers U5,3rd resistor R3, the 4th resistance R4,
Two electric capacity C2, the 4th resistance R4,3rd resistor R3, the second electric capacity C2 series connection, the 7th of the 2nd NE555 timers U5 the
Node connection between pin and the 4th resistance R4 and 3rd resistor R3, the second of the 2nd NE555 timers U5 draws
The node of pin, the 6th pin between the 3rd resistor R3 and the second electric capacity C2 is connected, and passes through adjustment the 4th, 3rd resistor
R4, R3, the second electric capacity C2 parameter value so that the 2nd NE555 timers U5 output end exports 5Hz control signal ripple, this
3rd resistor R3 resistance is that 1M Ω, the 4th resistance R4 resistance are 86K Ω in embodiment, and the second electric capacity C2 capacitance is
1uf, it is hereby achieved that 5Hz control signal ripple.
The analog switching circuit a3 provided with input interface E, output interface F, for control the input interface E with it is described
Output interface F connect or disconnect gating interface G, the first multivibrator a1 output end by coupled capacitor with it is described
Input interface E connections, the output interface F is connected by push-pull circuit with the piezoelectricity tweeter a4, more than described second
Harmonic oscillator a2 output end is connected by coupled capacitor with the gating interface G.
The sound wave mosquito repelling function device includes reflective vocal structure harmony wave generation circuit, and the reflective vocal structure is utilized
First reflecting curved surface b1 and the second reflecting curved surface b2 so that sound constantly reflects by first, second reflecting curved surface b1, b2, from
And sound wave dissipates to surrounding so that the coverage of sound wave is wider, the sound wave generation circuit is defeated using the first multivibrator a1
Go out 230Hz vibration wave, the second multivibrator a2 exports 5Hz control signal ripple, and control signal ripple passes through analog switch electricity
Road a3 gating interface G causes with 5Hz frequency break-make between the input interface E of analog switch and output interface F, so that
230Hz vibration wave drives piezoelectricity tweeter a4 with 5Hz frequencies so that piezoelectricity tweeter a4 is sent every 0.2s
Continue 0.2s 230Hz sound waves, because people is not so good as mosquito to the sensitivity of sound, this desultory sound wave can not cause
The sense of hearing of people, but the attention of mosquito can be caused, so as to not produce noise pollution while mosquito repellent is ensured.
As optimization, the analog switch a3 is CD4051 chips.CD4051 chips have low conduction impedance and very low
Cut-off leakage current.With good passband characteristic, the wave distortion in switching process can be prevented.
The better embodiment to the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent modifications or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (3)
1. a kind of reflective multi-direction sound wave mosquito repelling function device, it is characterised in that including:Body, the body is provided with reflective
Vocal structure, the reflective vocal structure includes:Above piezoelectricity tweeter, the vibrating membrane of the piezoelectricity tweeter
Provided with the first reflecting curved surface, the vibrating membrane is surrounded by second reflecting curved surface relative with first reflecting curved surface, institute
State between the outer edge of the first reflecting curved surface and the outer edge of second reflecting curved surface be provided with opening, the opening it is upper and lower
Line formation the angular aperture α, the angular aperture α at end and the center of the vibrating membrane are to be additionally provided with 24 °, the body for driving
The sound wave generation circuit of dynamic pressure electricity tweeter, the sound wave generation circuit includes:Export the first multi resonant of 230Hz vibration waves
Oscillator, analog switching circuit, the second multivibrator for exporting 5Hz control signal ripples, the analog switching circuit is provided with defeated
Incoming interface, output interface, the gating interface for controlling the input interface to connect or disconnect with the output interface, described
The output end of one multivibrator is connected with the input interface, and the output interface is connected with the piezoelectricity tweeter,
The output end of second multivibrator is connected with the gating interface.
2. the reflective multi-direction sound wave mosquito repelling function device of one kind according to claim 1, it is characterised in that:Described first,
Two multivibrators include NE555 timers.
3. according to a kind of reflective multi-direction sound wave mosquito repelling function device described in claim 1, it is characterised in that:The analog switch is
CD4051 chips.
Priority Applications (1)
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CN201710583979.3A CN107258760A (en) | 2017-07-18 | 2017-07-18 | A kind of reflective multi-direction sound wave mosquito repelling function device |
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CN201710583979.3A CN107258760A (en) | 2017-07-18 | 2017-07-18 | A kind of reflective multi-direction sound wave mosquito repelling function device |
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CN201710583979.3A Pending CN107258760A (en) | 2017-07-18 | 2017-07-18 | A kind of reflective multi-direction sound wave mosquito repelling function device |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2338647A1 (en) * | 1976-01-22 | 1977-08-19 | Anselme Gilbert | Electronic insect and animal repellent - has HF and LF oscillators with frequency ranges regulated by capacitors and potentiometer |
CN2657401Y (en) * | 2003-09-25 | 2004-11-24 | 郭金平 | Electronic sonic-wave masquito-expelling apparatus |
CN205829978U (en) * | 2016-05-31 | 2016-12-21 | 北京爱链科技传媒有限公司 | A kind of PA-system |
CN206933129U (en) * | 2017-07-18 | 2018-01-30 | 佛山科学技术学院 | A kind of reflective multi-direction sound wave mosquito repelling function device |
-
2017
- 2017-07-18 CN CN201710583979.3A patent/CN107258760A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2338647A1 (en) * | 1976-01-22 | 1977-08-19 | Anselme Gilbert | Electronic insect and animal repellent - has HF and LF oscillators with frequency ranges regulated by capacitors and potentiometer |
CN2657401Y (en) * | 2003-09-25 | 2004-11-24 | 郭金平 | Electronic sonic-wave masquito-expelling apparatus |
CN205829978U (en) * | 2016-05-31 | 2016-12-21 | 北京爱链科技传媒有限公司 | A kind of PA-system |
CN206933129U (en) * | 2017-07-18 | 2018-01-30 | 佛山科学技术学院 | A kind of reflective multi-direction sound wave mosquito repelling function device |
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Application publication date: 20171020 |